Fixes for codegen generated classes and build improvements (#367)

* Input format extended

* Deleted redundant code

* Added weights format to conv2d config

* Refactoring

* dl4j base test functionality

* Different tests base class per module

* Check base class for dl4j-graph subproject tests

* Check if test classes extend BaseDL4JTest

* Use nd4j-common-tests as transient dependency

* Enums and tests added

* Added codegenerated methods

* Use namespace methods

* Replace DifferentialFunctionFactory  with codegenerated classes

* Fixed linspace

* Namespaces regenerated

* Namespaces used instead of factory

* Regenerated base classes

* Input format extended

* Added weights format to conv2d config

* Refactoring

* dl4j base test functionality

* Different tests base class per module

* Check base class for dl4j-graph subproject tests

* Check if test classes extend BaseDL4JTest

* Use nd4j-common-tests as transient dependency

* Enums and tests added

* Added codegenerated methods

* Use namespace methods

* Replace DifferentialFunctionFactory  with codegenerated classes

* Fixed linspace

* Namespaces regenerated

* Regenerated base classes

* Regenerated namespaces

* Generate nd4j namespaces

* INDArrays accepting constructors

* Generated some ops

* Some fixes

* SameDiff ops regenerated

* Regenerated nd4j ops

* externalErrors moved

* Compilation fixes

* SquaredDifference - strict number of args

* Deprecated code cleanup. Proper base class for tests.

* Extend test classes with BaseND4JTest

* Extend test classes with BaseDL4JTest

* Legacy code

* DL4J cleanup

* Exclude test utils from base class check

* Tests fixed

* Arbiter tests fix

* Test dependency scope fix + pom.xml formatting

Signed-off-by: Alex Black <blacka101@gmail.com>

* Significant number of fixes

Signed-off-by: Alex Black <blacka101@gmail.com>

* Another round of fixes

Signed-off-by: Alex Black <blacka101@gmail.com>

* Another round of fixes

Signed-off-by: Alex Black <blacka101@gmail.com>

* Few additional fixes

Signed-off-by: Alex Black <blacka101@gmail.com>

* DataVec missing test scope dependencies

Signed-off-by: Alex Black <blacka101@gmail.com>

Co-authored-by: Alex Black <blacka101@gmail.com>

arbiter/arbiter-core/pom.xml

@@ -14,7 +14,8 @@
   ~ SPDX-License-Identifier: Apache-2.0
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>arbiter</artifactId>
         <groupId>org.deeplearning4j</groupId>
@@ -33,10 +34,10 @@
             <artifactId>nd4j-api</artifactId>
             <version>${nd4j.version}</version>
             <exclusions>
-              <exclusion>
+                <exclusion>
-                <groupId>com.google.code.findbugs</groupId>
+                    <groupId>com.google.code.findbugs</groupId>
-                <artifactId>*</artifactId>
+                    <artifactId>*</artifactId>
-              </exclusion>
+                </exclusion>
             </exclusions>
         </dependency>
 

arbiter/arbiter-core/src/test/java/org/deeplearning4j/arbiter/optimize/AssertTestsExtendBaseClass.java

@@ -0,0 +1,49 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.deeplearning4j.arbiter.optimize;
+
+import lombok.extern.slf4j.Slf4j;
+import org.deeplearning4j.BaseDL4JTest;
+import org.nd4j.AbstractAssertTestsClass;
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseDl4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.deeplearning4j.arbiter.optimize";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseDL4JTest.class;
+	}
+}

arbiter/arbiter-deeplearning4j/src/test/java/org/deeplearning4j/arbiter/AssertTestsExtendBaseClass.java

@@ -0,0 +1,50 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.deeplearning4j.arbiter;
+
+import lombok.extern.slf4j.Slf4j;
+import org.deeplearning4j.BaseDL4JTest;
+import org.nd4j.AbstractAssertTestsClass;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseDl4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.deeplearning4j.arbiter";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseDL4JTest.class;
+	}
+}

arbiter/arbiter-server/src/test/java/org/deeplearning4j/arbiter/server/AssertTestsExtendBaseClass.java

@@ -0,0 +1,50 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.deeplearning4j.arbiter.server;
+
+import lombok.extern.slf4j.Slf4j;
+import org.deeplearning4j.BaseDL4JTest;
+import org.nd4j.AbstractAssertTestsClass;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseDl4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.deeplearning4j.arbiter.server";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseDL4JTest.class;
+	}
+}

arbiter/arbiter-server/src/test/java/org/deeplearning4j/arbiter/server/MnistDataSetIteratorFactory.java

@@ -17,6 +17,7 @@
 package org.deeplearning4j.arbiter.server;
 
 import lombok.Data;
+import org.deeplearning4j.BaseDL4JTest;
 import org.deeplearning4j.datasets.iterator.impl.MnistDataSetIterator;
 import org.nd4j.linalg.dataset.api.iterator.DataSetIterator;
 import org.nd4j.linalg.dataset.api.iterator.DataSetIteratorFactory;
@@ -27,7 +28,7 @@ import java.io.IOException;
  * Created by agibsonccc on 3/13/17.
  */
 @Data
-public class MnistDataSetIteratorFactory implements DataSetIteratorFactory {
+public class MnistDataSetIteratorFactory  extends BaseDL4JTest implements DataSetIteratorFactory {
     /**
      * @return
      */

arbiter/arbiter-server/src/test/java/org/deeplearning4j/arbiter/server/TestDataFactoryProviderMnist.java

@@ -17,13 +17,14 @@
 package org.deeplearning4j.arbiter.server;
 
 import lombok.AllArgsConstructor;
+import org.deeplearning4j.BaseDL4JTest;
 import org.deeplearning4j.datasets.iterator.EarlyTerminationDataSetIterator;
 import org.deeplearning4j.datasets.iterator.impl.MnistDataSetIterator;
 import org.nd4j.linalg.dataset.api.iterator.DataSetIterator;
 import org.nd4j.linalg.dataset.api.iterator.DataSetIteratorFactory;
 
 @AllArgsConstructor
-public class TestDataFactoryProviderMnist implements DataSetIteratorFactory {
+public class TestDataFactoryProviderMnist extends BaseDL4JTest implements DataSetIteratorFactory {
 
     private int batchSize;
     private int terminationIter;

arbiter/arbiter-ui/pom.xml

@@ -54,6 +54,13 @@
             <version>${dl4j.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.deeplearning4j</groupId>
+            <artifactId>deeplearning4j-common-tests</artifactId>
+            <version>${dl4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>

arbiter/arbiter-ui/src/test/java/org/deeplearning4j/arbiter/optimize/AssertTestsExtendBaseClass.java

@@ -0,0 +1,50 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.deeplearning4j.arbiter.optimize;
+
+import lombok.extern.slf4j.Slf4j;
+import org.nd4j.AbstractAssertTestsClass;
+import org.deeplearning4j.BaseDL4JTest;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseDl4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.deeplearning4j.arbiter.optimize";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseDL4JTest.class;
+	}
+}

arbiter/arbiter-ui/src/test/java/org/deeplearning4j/arbiter/optimize/TestBasic.java

@@ -16,6 +16,7 @@
 
 package org.deeplearning4j.arbiter.optimize;
 
+import org.deeplearning4j.BaseDL4JTest;
 import org.deeplearning4j.api.storage.StatsStorage;
 import org.deeplearning4j.arbiter.ComputationGraphSpace;
 import org.deeplearning4j.arbiter.MultiLayerSpace;
@@ -70,7 +71,7 @@ import java.util.concurrent.TimeUnit;
 /**
  * Created by Alex on 19/07/2017.
  */
-public class TestBasic {
+public class TestBasic extends BaseDL4JTest {
 
     @Test
     @Ignore

datavec/datavec-api/pom.xml

@@ -15,7 +15,8 @@
   ~ SPDX-License-Identifier: Apache-2.0
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>datavec-parent</artifactId>
         <groupId>org.datavec</groupId>
@@ -79,6 +80,14 @@
             <version>${nd4j.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>

datavec/datavec-api/src/main/java/org/datavec/api/util/ndarray/RecordConverter.java

@@ -47,9 +47,8 @@ public class RecordConverter {
      *
      * @return the array
      */
-    @Deprecated
+    public static INDArray toArray(DataType dataType, Collection<Writable> record, int size) {
-    public static INDArray toArray(Collection<Writable> record, int size) {
+        return toArray(dataType, record);
-        return toArray(record);
     }
 
     /**
@@ -78,13 +77,23 @@ public class RecordConverter {
 
     /**
      * Convert a set of records in to a matrix
+     * As per {@link #toMatrix(DataType, List)} but hardcoded to Float datatype
      * @param records the records ot convert
      * @return the matrix for the records
      */
     public static INDArray toMatrix(List<List<Writable>> records) {
+        return toMatrix(DataType.FLOAT, records);
+    }
+
+    /**
+     * Convert a set of records in to a matrix
+     * @param records the records ot convert
+     * @return the matrix for the records
+     */
+    public static INDArray toMatrix(DataType dataType, List<List<Writable>> records) {
         List<INDArray> toStack = new ArrayList<>();
         for(List<Writable> l : records){
-            toStack.add(toArray(l));
+            toStack.add(toArray(dataType, l));
         }
 
         return Nd4j.vstack(toStack);
@@ -92,10 +101,20 @@ public class RecordConverter {
 
     /**
      * Convert a record to an INDArray. May contain a mix of Writables and row vector NDArrayWritables.
+     * As per {@link #toArray(DataType, Collection)} but hardcoded to Float datatype
      * @param record the record to convert
      * @return the array
      */
-    public static INDArray toArray(Collection<? extends Writable> record) {
+    public static INDArray toArray(Collection<? extends Writable> record){
+        return toArray(DataType.FLOAT, record);
+    }
+
+    /**
+     * Convert a record to an INDArray. May contain a mix of Writables and row vector NDArrayWritables.
+     * @param record the record to convert
+     * @return the array
+     */
+    public static INDArray toArray(DataType dataType, Collection<? extends Writable> record) {
         List<Writable> l;
         if(record instanceof List){
             l = (List<Writable>)record;
@@ -124,7 +143,7 @@ public class RecordConverter {
             }
         }
 
-        INDArray arr = Nd4j.create(1, length);
+        INDArray arr = Nd4j.create(dataType, 1, length);
 
         int k = 0;
         for (Writable w : record ) {

datavec/datavec-api/src/test/java/org/datavec/api/AssertTestsExtendBaseClass.java

@@ -0,0 +1,57 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.api;
+
+import lombok.extern.slf4j.Slf4j;
+import org.datavec.api.transform.serde.testClasses.CustomCondition;
+import org.datavec.api.transform.serde.testClasses.CustomFilter;
+import org.datavec.api.transform.serde.testClasses.CustomTransform;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseND4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+		Set<Class<?>> res = new HashSet<>();
+		res.add(CustomCondition.class);
+		res.add(CustomFilter.class);
+		res.add(CustomTransform.class);
+	    return res;
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.datavec.api";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseND4JTest.class;
+	}
+}

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/CSVLineSequenceRecordReaderTest.java

@@ -25,6 +25,7 @@ import org.datavec.api.writable.Writable;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.nd4j.BaseND4JTest;
 
 import java.io.File;
 import java.nio.charset.StandardCharsets;
@@ -34,7 +35,7 @@ import java.util.List;
 
 import static org.junit.Assert.assertEquals;
 
-public class CSVLineSequenceRecordReaderTest {
+public class CSVLineSequenceRecordReaderTest extends BaseND4JTest {
 
     @Rule
     public TemporaryFolder testDir = new TemporaryFolder();

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/CSVMultiSequenceRecordReaderTest.java

@@ -26,6 +26,8 @@ import org.datavec.api.writable.Writable;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.nd4j.BaseND4JTest;
+import org.nd4j.linalg.api.ops.impl.controlflow.compat.BaseCompatOp;
 
 import java.io.File;
 import java.nio.charset.StandardCharsets;
@@ -37,7 +39,7 @@ import java.util.List;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
-public class CSVMultiSequenceRecordReaderTest {
+public class CSVMultiSequenceRecordReaderTest extends BaseND4JTest {
 
     @Rule
     public TemporaryFolder testDir = new TemporaryFolder();

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/CSVNLinesSequenceRecordReaderTest.java

@@ -24,6 +24,7 @@ import org.datavec.api.records.reader.impl.csv.CSVRecordReader;
 import org.datavec.api.split.FileSplit;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 
 import java.util.ArrayList;
@@ -34,7 +35,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by Alex on 19/09/2016.
  */
-public class CSVNLinesSequenceRecordReaderTest {
+public class CSVNLinesSequenceRecordReaderTest extends BaseND4JTest {
 
     @Test
     public void testCSVNLinesSequenceRecordReader() throws Exception {

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/CSVRecordReaderTest.java

@@ -31,6 +31,7 @@ import org.datavec.api.writable.IntWritable;
 import org.datavec.api.writable.Text;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 
 import java.io.File;
@@ -44,7 +45,7 @@ import java.util.NoSuchElementException;
 
 import static org.junit.Assert.*;
 
-public class CSVRecordReaderTest {
+public class CSVRecordReaderTest  extends BaseND4JTest {
     @Test
     public void testNext() throws Exception {
         CSVRecordReader reader = new CSVRecordReader();

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/CSVSequenceRecordReaderTest.java

@@ -26,6 +26,7 @@ import org.datavec.api.writable.Writable;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 
 import java.io.File;
@@ -39,7 +40,7 @@ import java.util.List;
 
 import static org.junit.Assert.assertEquals;
 
-public class CSVSequenceRecordReaderTest {
+public class CSVSequenceRecordReaderTest  extends BaseND4JTest {
 
     @Rule
     public TemporaryFolder tempDir = new TemporaryFolder();

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/CSVVariableSlidingWindowRecordReaderTest.java

@@ -22,6 +22,7 @@ import org.datavec.api.records.reader.impl.csv.CSVVariableSlidingWindowRecordRea
 import org.datavec.api.split.FileSplit;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 
 import java.util.LinkedList;
@@ -34,7 +35,7 @@ import static org.junit.Assert.assertEquals;
  *
  * @author Justin Long (crockpotveggies)
  */
-public class CSVVariableSlidingWindowRecordReaderTest {
+public class CSVVariableSlidingWindowRecordReaderTest  extends BaseND4JTest {
 
     @Test
     public void testCSVVariableSlidingWindowRecordReader() throws Exception {

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/FileBatchRecordReaderTest.java

@@ -27,6 +27,7 @@ import org.datavec.api.writable.Writable;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.api.loader.FileBatch;
 
 import java.io.File;
@@ -36,7 +37,7 @@ import java.util.List;
 
 import static org.junit.Assert.*;
 
-public class FileBatchRecordReaderTest {
+public class FileBatchRecordReaderTest  extends BaseND4JTest {
 
     @Rule
     public TemporaryFolder testDir = new TemporaryFolder();

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/FileRecordReaderTest.java

@@ -23,6 +23,7 @@ import org.datavec.api.split.FileSplit;
 import org.datavec.api.split.InputSplit;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 
 import java.net.URI;
@@ -36,7 +37,7 @@ import static org.junit.Assert.assertFalse;
 /**
  * Created by nyghtowl on 11/14/15.
  */
-public class FileRecordReaderTest {
+public class FileRecordReaderTest  extends BaseND4JTest {
 
     @Test
     public void testReset() throws Exception {

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/JacksonLineRecordReaderTest.java

@@ -27,6 +27,7 @@ import org.datavec.api.writable.Writable;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 import org.nd4j.shade.jackson.core.JsonFactory;
 import org.nd4j.shade.jackson.databind.ObjectMapper;
@@ -39,7 +40,7 @@ import java.util.List;
 
 import static org.junit.Assert.assertEquals;
 
-public class JacksonLineRecordReaderTest {
+public class JacksonLineRecordReaderTest  extends BaseND4JTest {
 
 	@Rule
 	public TemporaryFolder testDir = new TemporaryFolder();

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/JacksonRecordReaderTest.java

@@ -30,6 +30,7 @@ import org.datavec.api.writable.Writable;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 import org.nd4j.shade.jackson.core.JsonFactory;
 import org.nd4j.shade.jackson.databind.ObjectMapper;
@@ -48,7 +49,7 @@ import static org.junit.Assert.assertFalse;
 /**
  * Created by Alex on 11/04/2016.
  */
-public class JacksonRecordReaderTest {
+public class JacksonRecordReaderTest  extends BaseND4JTest {
 
     @Rule
     public TemporaryFolder testDir = new TemporaryFolder();

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/LibSvmRecordReaderTest.java

@@ -24,6 +24,7 @@ import org.datavec.api.writable.DoubleWritable;
 import org.datavec.api.writable.IntWritable;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 
 import java.io.IOException;
@@ -44,7 +45,7 @@ import static org.junit.Assert.assertEquals;
  *
  * @author dave@skymind.io
  */
-public class LibSvmRecordReaderTest {
+public class LibSvmRecordReaderTest  extends BaseND4JTest {
 
     @Test
     public void testBasicRecord() throws IOException, InterruptedException {

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/LineReaderTest.java

@@ -29,6 +29,7 @@ import org.datavec.api.writable.Writable;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.nd4j.BaseND4JTest;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -48,7 +49,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by agibsonccc on 11/17/14.
  */
-public class LineReaderTest {
+public class LineReaderTest extends BaseND4JTest {
 
     @Rule
     public TemporaryFolder testDir = new TemporaryFolder();

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/RegexRecordReaderTest.java

@@ -32,6 +32,7 @@ import org.datavec.api.writable.Writable;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 
 import java.io.File;
@@ -45,7 +46,7 @@ import static org.junit.Assert.assertFalse;
 /**
  * Created by Alex on 12/04/2016.
  */
-public class RegexRecordReaderTest {
+public class RegexRecordReaderTest  extends BaseND4JTest {
 
     @Rule
     public TemporaryFolder testDir = new TemporaryFolder();

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/SVMLightRecordReaderTest.java

@@ -24,6 +24,7 @@ import org.datavec.api.writable.DoubleWritable;
 import org.datavec.api.writable.IntWritable;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 
 import java.io.IOException;
@@ -42,7 +43,7 @@ import static org.junit.Assert.assertEquals;
  *
  * @author dave@skymind.io
  */
-public class SVMLightRecordReaderTest {
+public class SVMLightRecordReaderTest  extends BaseND4JTest {
 
     @Test
     public void testBasicRecord() throws IOException, InterruptedException {

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/TestCollectionRecordReaders.java

@@ -23,6 +23,7 @@ import org.datavec.api.records.reader.impl.collection.CollectionSequenceRecordRe
 import org.datavec.api.writable.IntWritable;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -33,7 +34,7 @@ import static org.junit.Assert.*;
 /**
  * Created by Alex on 21/05/2016.
  */
-public class TestCollectionRecordReaders {
+public class TestCollectionRecordReaders extends BaseND4JTest {
 
     @Test
     public void testCollectionSequenceRecordReader() throws Exception {

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/TestConcatenatingRecordReader.java

@@ -20,11 +20,12 @@ import org.datavec.api.records.reader.RecordReader;
 import org.datavec.api.records.reader.impl.csv.CSVRecordReader;
 import org.datavec.api.split.FileSplit;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 
 import static org.junit.Assert.assertEquals;
 
-public class TestConcatenatingRecordReader {
+public class TestConcatenatingRecordReader extends BaseND4JTest {
 
     @Test
     public void test() throws Exception {

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/TestSerialization.java

@@ -34,6 +34,7 @@ import org.datavec.api.transform.schema.Schema;
 import org.datavec.api.writable.Text;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 import org.nd4j.shade.jackson.core.JsonFactory;
 import org.nd4j.shade.jackson.databind.ObjectMapper;
@@ -49,7 +50,7 @@ import static org.junit.Assert.assertEquals;
  * Note however that not all are used/usable with spark (such as Collection[Sequence]RecordReader
  * and the rest are generally used without being initialized on a particular dataset
  */
-public class TestSerialization {
+public class TestSerialization extends BaseND4JTest {
 
     @Test
     public void testRR() throws Exception {

datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/transform/TransformProcessRecordReaderTests.java

@@ -27,6 +27,7 @@ import org.datavec.api.writable.LongWritable;
 import org.datavec.api.writable.Writable;
 import org.joda.time.DateTimeZone;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 
 import java.util.ArrayList;
@@ -39,7 +40,7 @@ import static org.junit.Assert.assertTrue;
 /**
  * Created by agibsonccc on 3/21/17.
  */
-public class TransformProcessRecordReaderTests {
+public class TransformProcessRecordReaderTests extends BaseND4JTest {
 
     @Test
     public void simpleTransformTest() throws Exception {

datavec/datavec-api/src/test/java/org/datavec/api/records/writer/impl/CSVRecordWriterTest.java

@@ -24,6 +24,7 @@ import org.datavec.api.writable.Text;
 import org.datavec.api.writable.Writable;
 import org.junit.Before;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.io.File;
 import java.util.ArrayList;
@@ -34,7 +35,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * @author raver119@gmail.com
  */
-public class CSVRecordWriterTest {
+public class CSVRecordWriterTest extends BaseND4JTest {
 
     @Before
     public void setUp() throws Exception {

datavec/datavec-api/src/test/java/org/datavec/api/records/writer/impl/LibSvmRecordWriterTest.java

@@ -27,6 +27,7 @@ import org.datavec.api.writable.IntWritable;
 import org.datavec.api.writable.NDArrayWritable;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.api.ndarray.INDArray;
 import org.nd4j.linalg.factory.Nd4j;
 import org.nd4j.linalg.io.ClassPathResource;
@@ -49,7 +50,7 @@ import static org.junit.Assert.assertEquals;
  *
  * @author dave@skymind.io
  */
-public class LibSvmRecordWriterTest {
+public class LibSvmRecordWriterTest extends BaseND4JTest {
 
     @Test
     public void testBasic() throws Exception {

datavec/datavec-api/src/test/java/org/datavec/api/records/writer/impl/SVMLightRecordWriterTest.java

@@ -25,6 +25,7 @@ import org.datavec.api.split.partition.NumberOfRecordsPartitioner;
 import org.datavec.api.writable.*;
 import org.datavec.api.writable.NDArrayWritable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.api.ndarray.INDArray;
 import org.nd4j.linalg.factory.Nd4j;
 import org.nd4j.linalg.io.ClassPathResource;
@@ -47,7 +48,7 @@ import static org.junit.Assert.assertEquals;
  *
  * @author dave@skymind.io
  */
-public class SVMLightRecordWriterTest {
+public class SVMLightRecordWriterTest extends BaseND4JTest {
 
     @Test
     public void testBasic() throws Exception {

datavec/datavec-api/src/test/java/org/datavec/api/split/InputSplitTests.java

@@ -16,6 +16,7 @@
 
 package org.datavec.api.split;
 
+import org.nd4j.BaseND4JTest;
 import org.nd4j.shade.guava.io.Files;
 import org.datavec.api.io.filters.BalancedPathFilter;
 import org.datavec.api.io.filters.RandomPathFilter;
@@ -36,7 +37,7 @@ import static org.junit.Assert.assertEquals;
  *
  * @author saudet
  */
-public class InputSplitTests {
+public class InputSplitTests extends BaseND4JTest {
 
     @Test
     public void testSample() throws URISyntaxException {

datavec/datavec-api/src/test/java/org/datavec/api/split/NumberedFileInputSplitTests.java

@@ -17,13 +17,14 @@
 package org.datavec.api.split;
 
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.net.URI;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
-public class NumberedFileInputSplitTests {
+public class NumberedFileInputSplitTests  extends BaseND4JTest {
     @Test
     public void testNumberedFileInputSplitBasic() {
         String baseString = "/path/to/files/prefix%d.suffix";

datavec/datavec-api/src/test/java/org/datavec/api/split/TestStreamInputSplit.java

@@ -24,6 +24,7 @@ import org.datavec.api.writable.Writable;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.function.Function;
 
 import java.io.File;
@@ -40,7 +41,7 @@ import java.util.Random;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 
-public class TestStreamInputSplit {
+public class TestStreamInputSplit extends BaseND4JTest {
 
     @Rule
     public TemporaryFolder testDir = new TemporaryFolder();

datavec/datavec-api/src/test/java/org/datavec/api/split/TransformSplitTest.java

@@ -17,6 +17,7 @@
 package org.datavec.api.split;
 
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.net.URI;
 import java.net.URISyntaxException;
@@ -28,7 +29,7 @@ import static org.junit.Assert.assertArrayEquals;
 /**
  * @author Ede Meijer
  */
-public class TransformSplitTest {
+public class TransformSplitTest extends BaseND4JTest {
     @Test
     public void testTransform() throws URISyntaxException {
         Collection<URI> inputFiles = asList(new URI("file:///foo/bar/../0.csv"), new URI("file:///foo/1.csv"));

datavec/datavec-api/src/test/java/org/datavec/api/split/parittion/PartitionerTests.java

@@ -16,6 +16,7 @@
 
 package org.datavec.api.split.parittion;
 
+import org.nd4j.BaseND4JTest;
 import org.nd4j.shade.guava.io.Files;
 import org.datavec.api.conf.Configuration;
 import org.datavec.api.split.FileSplit;
@@ -31,7 +32,7 @@ import static junit.framework.TestCase.assertTrue;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 
-public class PartitionerTests {
+public class PartitionerTests extends BaseND4JTest {
     @Test
     public void testRecordsPerFilePartition() {
         Partitioner partitioner = new NumberOfRecordsPartitioner();

datavec/datavec-api/src/test/java/org/datavec/api/transform/TestTransformProcess.java

@@ -26,12 +26,13 @@ import org.datavec.api.writable.IntWritable;
 import org.datavec.api.writable.Text;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.*;
 
 import static org.junit.Assert.assertEquals;
 
-public class TestTransformProcess {
+public class TestTransformProcess extends BaseND4JTest {
 
     @Test
     public void testExecution(){

datavec/datavec-api/src/test/java/org/datavec/api/transform/condition/TestConditions.java

@@ -24,6 +24,7 @@ import org.datavec.api.transform.schema.Schema;
 import org.datavec.api.transform.transform.TestTransforms;
 import org.datavec.api.writable.*;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.*;
 
@@ -33,7 +34,7 @@ import static org.junit.Assert.assertTrue;
 /**
  * Created by Alex on 24/03/2016.
  */
-public class TestConditions {
+public class TestConditions extends BaseND4JTest {
 
     @Test
     public void testIntegerCondition() {

datavec/datavec-api/src/test/java/org/datavec/api/transform/filter/TestFilters.java

@@ -24,6 +24,7 @@ import org.datavec.api.writable.DoubleWritable;
 import org.datavec.api.writable.IntWritable;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -37,7 +38,7 @@ import static org.junit.Assert.assertTrue;
 /**
  * Created by Alex on 21/03/2016.
  */
-public class TestFilters {
+public class TestFilters  extends BaseND4JTest {
 
 
     @Test

datavec/datavec-api/src/test/java/org/datavec/api/transform/join/TestJoin.java

@@ -23,6 +23,7 @@ import org.datavec.api.writable.NullWritable;
 import org.datavec.api.writable.Text;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -33,7 +34,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by Alex on 18/04/2016.
  */
-public class TestJoin {
+public class TestJoin extends BaseND4JTest {
 
     @Test
     public void testJoin() {

datavec/datavec-api/src/test/java/org/datavec/api/transform/ops/AggregableMultiOpTest.java

@@ -18,6 +18,7 @@ package org.datavec.api.transform.ops;
 
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.io.Serializable;
 import java.util.*;
@@ -27,7 +28,7 @@ import static org.junit.Assert.assertTrue;
 /**
  * Created by huitseeker on 5/14/17.
  */
-public class AggregableMultiOpTest {
+public class AggregableMultiOpTest extends BaseND4JTest {
 
     private List<Integer> intList = new ArrayList<>(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9));
 

datavec/datavec-api/src/test/java/org/datavec/api/transform/ops/AggregatorImplsTest.java

@@ -19,6 +19,7 @@ package org.datavec.api.transform.ops;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
+import org.nd4j.BaseND4JTest;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -30,7 +31,7 @@ import static org.junit.Assert.assertTrue;
 /**
  * Created by huitseeker on 5/14/17.
  */
-public class AggregatorImplsTest {
+public class AggregatorImplsTest extends BaseND4JTest {
 
     private List<Integer> intList = new ArrayList<>(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9));
     private List<String> stringList = new ArrayList<>(Arrays.asList("arakoa", "abracadabra", "blast", "acceptance"));

datavec/datavec-api/src/test/java/org/datavec/api/transform/ops/DispatchOpTest.java

@@ -18,6 +18,7 @@ package org.datavec.api.transform.ops;
 
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -29,7 +30,7 @@ import static org.junit.Assert.assertTrue;
 /**
  * Created by huitseeker on 5/14/17.
  */
-public class DispatchOpTest {
+public class DispatchOpTest extends BaseND4JTest {
 
     private List<Integer> intList = new ArrayList<>(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9));
     private List<String> stringList = new ArrayList<>(Arrays.asList("arakoa", "abracadabra", "blast", "acceptance"));

datavec/datavec-api/src/test/java/org/datavec/api/transform/reduce/TestMultiOpReduce.java

@@ -29,6 +29,7 @@ import org.datavec.api.transform.ops.IAggregableReduceOp;
 import org.datavec.api.transform.schema.Schema;
 import org.datavec.api.writable.*;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.*;
 
@@ -38,7 +39,7 @@ import static org.junit.Assert.fail;
 /**
  * Created by Alex on 21/03/2016.
  */
-public class TestMultiOpReduce {
+public class TestMultiOpReduce extends BaseND4JTest {
 
     @Test
     public void testMultiOpReducerDouble() {

datavec/datavec-api/src/test/java/org/datavec/api/transform/reduce/TestReductions.java

@@ -21,13 +21,14 @@ import org.datavec.api.transform.reduce.impl.GeographicMidpointReduction;
 import org.datavec.api.writable.Text;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.Arrays;
 import java.util.List;
 
 import static org.junit.Assert.assertEquals;
 
-public class TestReductions {
+public class TestReductions extends BaseND4JTest {
 
     @Test
     public void testGeographicMidPointReduction(){

datavec/datavec-api/src/test/java/org/datavec/api/transform/schema/TestJsonYaml.java

@@ -19,13 +19,14 @@ package org.datavec.api.transform.schema;
 import org.datavec.api.transform.metadata.ColumnMetaData;
 import org.joda.time.DateTimeZone;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import static org.junit.Assert.assertEquals;
 
 /**
  * Created by Alex on 18/07/2016.
  */
-public class TestJsonYaml {
+public class TestJsonYaml extends BaseND4JTest {
 
     @Test
     public void testToFromJsonYaml() {

datavec/datavec-api/src/test/java/org/datavec/api/transform/schema/TestSchemaMethods.java

@@ -18,13 +18,14 @@ package org.datavec.api.transform.schema;
 
 import org.datavec.api.transform.ColumnType;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import static org.junit.Assert.assertEquals;
 
 /**
  * Created by Alex on 04/09/2016.
  */
-public class TestSchemaMethods {
+public class TestSchemaMethods extends BaseND4JTest {
 
     @Test
     public void testNumberedColumnAdding() {

datavec/datavec-api/src/test/java/org/datavec/api/transform/sequence/TestReduceSequenceByWindowFunction.java

@@ -30,6 +30,7 @@ import org.datavec.api.writable.NullWritable;
 import org.datavec.api.writable.Writable;
 import org.joda.time.DateTimeZone;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -41,7 +42,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by Alex on 16/04/2016.
  */
-public class TestReduceSequenceByWindowFunction {
+public class TestReduceSequenceByWindowFunction extends BaseND4JTest {
 
     @Test
     public void testReduceSequenceByWindowFunction() {

datavec/datavec-api/src/test/java/org/datavec/api/transform/sequence/TestSequenceSplit.java

@@ -24,6 +24,7 @@ import org.datavec.api.writable.Text;
 import org.datavec.api.writable.Writable;
 import org.joda.time.DateTimeZone;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -35,7 +36,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by Alex on 19/04/2016.
  */
-public class TestSequenceSplit {
+public class TestSequenceSplit extends BaseND4JTest {
 
     @Test
     public void testSequenceSplitTimeSeparation() {

datavec/datavec-api/src/test/java/org/datavec/api/transform/sequence/TestWindowFunctions.java

@@ -26,6 +26,7 @@ import org.datavec.api.writable.LongWritable;
 import org.datavec.api.writable.Writable;
 import org.joda.time.DateTimeZone;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -37,7 +38,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by Alex on 16/04/2016.
  */
-public class TestWindowFunctions {
+public class TestWindowFunctions extends BaseND4JTest {
 
     @Test
     public void testTimeWindowFunction() {

datavec/datavec-api/src/test/java/org/datavec/api/transform/serde/TestCustomTransformJsonYaml.java

@@ -23,13 +23,14 @@ import org.datavec.api.transform.serde.testClasses.CustomCondition;
 import org.datavec.api.transform.serde.testClasses.CustomFilter;
 import org.datavec.api.transform.serde.testClasses.CustomTransform;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import static org.junit.Assert.assertEquals;
 
 /**
  * Created by Alex on 11/01/2017.
  */
-public class TestCustomTransformJsonYaml {
+public class TestCustomTransformJsonYaml extends BaseND4JTest {
 
     @Test
     public void testCustomTransform() {

datavec/datavec-api/src/test/java/org/datavec/api/transform/serde/TestYamlJsonSerde.java

@@ -61,6 +61,7 @@ import org.datavec.api.writable.comparator.DoubleWritableComparator;
 import org.joda.time.DateTimeFieldType;
 import org.joda.time.DateTimeZone;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.*;
 import java.util.concurrent.TimeUnit;
@@ -70,7 +71,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by Alex on 20/07/2016.
  */
-public class TestYamlJsonSerde {
+public class TestYamlJsonSerde  extends BaseND4JTest {
 
     public static YamlSerializer y = new YamlSerializer();
     public static JsonSerializer j = new JsonSerializer();

datavec/datavec-api/src/test/java/org/datavec/api/transform/stringreduce/TestReduce.java

@@ -21,6 +21,7 @@ import org.datavec.api.transform.schema.Schema;
 import org.datavec.api.writable.Text;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.*;
 
@@ -29,7 +30,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by Alex on 21/03/2016.
  */
-public class TestReduce {
+public class TestReduce extends BaseND4JTest {
 
     @Test
     public void testReducerDouble() {

datavec/datavec-api/src/test/java/org/datavec/api/transform/transform/RegressionTestJson.java

@@ -47,6 +47,7 @@ import org.datavec.api.writable.comparator.LongWritableComparator;
 import org.joda.time.DateTimeFieldType;
 import org.joda.time.DateTimeZone;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.io.ClassPathResource;
 
 import java.io.File;
@@ -58,7 +59,7 @@ import java.util.concurrent.TimeUnit;
 
 import static org.junit.Assert.assertEquals;
 
-public class RegressionTestJson {
+public class RegressionTestJson extends BaseND4JTest {
 
     @Test
     public void regressionTestJson100a() throws Exception {

datavec/datavec-api/src/test/java/org/datavec/api/transform/transform/TestJsonYaml.java

@@ -47,6 +47,7 @@ import org.datavec.api.writable.comparator.LongWritableComparator;
 import org.joda.time.DateTimeFieldType;
 import org.joda.time.DateTimeZone;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.*;
 import java.util.concurrent.TimeUnit;
@@ -56,7 +57,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by Alex on 18/07/2016.
  */
-public class TestJsonYaml {
+public class TestJsonYaml extends BaseND4JTest {
 
     @Test
     public void testToFromJsonYaml() {

datavec/datavec-api/src/test/java/org/datavec/api/transform/transform/TestTransforms.java

@@ -56,6 +56,7 @@ import org.joda.time.DateTimeFieldType;
 import org.joda.time.DateTimeZone;
 import org.junit.Assert;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.api.ndarray.INDArray;
 import org.nd4j.linalg.factory.Nd4j;
 
@@ -72,7 +73,7 @@ import static org.junit.Assert.*;
 /**
  * Created by Alex on 21/03/2016.
  */
-public class TestTransforms {
+public class TestTransforms extends BaseND4JTest {
 
     public static Schema getSchema(ColumnType type, String... colNames) {
 

datavec/datavec-api/src/test/java/org/datavec/api/transform/transform/ndarray/TestNDArrayWritableTransforms.java

@@ -26,6 +26,7 @@ import org.datavec.api.writable.NDArrayWritable;
 import org.datavec.api.writable.Text;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.api.buffer.DataType;
 import org.nd4j.linalg.api.ndarray.INDArray;
 import org.nd4j.linalg.factory.Nd4j;
@@ -39,7 +40,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by Alex on 02/06/2017.
  */
-public class TestNDArrayWritableTransforms {
+public class TestNDArrayWritableTransforms extends BaseND4JTest {
 
     @Test
     public void testNDArrayWritableBasic() {

datavec/datavec-api/src/test/java/org/datavec/api/transform/transform/ndarray/TestYamlJsonSerde.java

@@ -27,6 +27,7 @@ import org.datavec.api.transform.schema.Schema;
 import org.datavec.api.transform.serde.JsonSerializer;
 import org.datavec.api.transform.serde.YamlSerializer;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.Arrays;
 import java.util.List;
@@ -36,7 +37,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by Alex on 20/07/2016.
  */
-public class TestYamlJsonSerde {
+public class TestYamlJsonSerde extends BaseND4JTest {
 
     public static YamlSerializer y = new YamlSerializer();
     public static JsonSerializer j = new JsonSerializer();

datavec/datavec-api/src/test/java/org/datavec/api/transform/transform/parse/ParseDoubleTransformTest.java

@@ -20,6 +20,7 @@ import org.datavec.api.writable.DoubleWritable;
 import org.datavec.api.writable.Text;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -30,7 +31,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by agibsonccc on 10/22/16.
  */
-public class ParseDoubleTransformTest {
+public class ParseDoubleTransformTest extends BaseND4JTest {
     @Test
     public void testDoubleTransform() {
         List<Writable> record = new ArrayList<>();

datavec/datavec-api/src/test/java/org/datavec/api/transform/ui/TestUI.java

@@ -35,6 +35,7 @@ import org.junit.Ignore;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.nd4j.BaseND4JTest;
 
 import java.io.File;
 import java.util.ArrayList;
@@ -46,7 +47,7 @@ import static org.junit.Assert.assertEquals;
 /**
  * Created by Alex on 25/03/2016.
  */
-public class TestUI {
+public class TestUI extends BaseND4JTest {
 
     @Rule
     public TemporaryFolder testDir = new TemporaryFolder();

datavec/datavec-api/src/test/java/org/datavec/api/util/ClassPathResourceTest.java

@@ -18,6 +18,7 @@ package org.datavec.api.util;
 
 import org.junit.Before;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -33,7 +34,7 @@ import static org.hamcrest.core.IsEqual.equalTo;
 /**
  * @author raver119@gmail.com
  */
-public class ClassPathResourceTest {
+public class ClassPathResourceTest extends BaseND4JTest {
 
     private boolean isWindows = false; //File sizes are reported slightly different on Linux vs. Windows
 

datavec/datavec-api/src/test/java/org/datavec/api/util/TimeSeriesUtilsTest.java

@@ -20,6 +20,7 @@ import org.datavec.api.timeseries.util.TimeSeriesWritableUtils;
 import org.datavec.api.writable.DoubleWritable;
 import org.datavec.api.writable.Writable;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.api.ndarray.INDArray;
 
 import java.util.ArrayList;
@@ -27,7 +28,7 @@ import java.util.List;
 
 import static org.junit.Assert.assertArrayEquals;
 
-public class TimeSeriesUtilsTest {
+public class TimeSeriesUtilsTest extends BaseND4JTest {
 
     @Test
     public void testTimeSeriesCreation() {

datavec/datavec-api/src/test/java/org/datavec/api/writable/RecordConverterTest.java

@@ -16,6 +16,7 @@
 
 package org.datavec.api.writable;
 
+import org.nd4j.BaseND4JTest;
 import org.nd4j.shade.guava.collect.Lists;
 import org.datavec.api.transform.schema.Schema;
 import org.datavec.api.util.ndarray.RecordConverter;
@@ -31,7 +32,7 @@ import java.util.TimeZone;
 
 import static org.junit.Assert.assertEquals;
 
-public class RecordConverterTest {
+public class RecordConverterTest extends BaseND4JTest {
     @Test
     public void toRecords_PassInClassificationDataSet_ExpectNDArrayAndIntWritables() {
         INDArray feature1 = Nd4j.create(new double[]{4, -5.7, 10, -0.1}, new long[]{1, 4}, DataType.FLOAT);
@@ -86,7 +87,7 @@ public class RecordConverterTest {
                 new IntWritable(1));
 
         INDArray exp = Nd4j.create(new double[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 1}, new long[]{1, 10}, DataType.FLOAT);
-        INDArray act = RecordConverter.toArray(l);
+        INDArray act = RecordConverter.toArray(DataType.FLOAT, l);
 
         assertEquals(exp, act);
     }
@@ -101,7 +102,7 @@ public class RecordConverterTest {
                 {1,2,3,4,5},
                 {6,7,8,9,10}}).castTo(DataType.FLOAT);
 
-        INDArray act = RecordConverter.toMatrix(Arrays.asList(l1,l2));
+        INDArray act = RecordConverter.toMatrix(DataType.FLOAT, Arrays.asList(l1,l2));
 
         assertEquals(exp, act);
     }

datavec/datavec-api/src/test/java/org/datavec/api/writable/TestNDArrayWritableAndSerialization.java

@@ -18,6 +18,7 @@ package org.datavec.api.writable;
 
 import org.datavec.api.transform.metadata.NDArrayMetaData;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.api.ndarray.INDArray;
 import org.nd4j.linalg.factory.Nd4j;
 
@@ -28,7 +29,7 @@ import static org.junit.Assert.*;
 /**
  * Created by Alex on 02/06/2017.
  */
-public class TestNDArrayWritableAndSerialization {
+public class TestNDArrayWritableAndSerialization extends BaseND4JTest {
 
     @Test
     public void testIsValid() {

datavec/datavec-api/src/test/java/org/datavec/api/writable/WritableTest.java

@@ -18,6 +18,7 @@ package org.datavec.api.writable;
 
 import org.datavec.api.writable.batch.NDArrayRecordBatch;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.api.buffer.DataBuffer;
 import org.nd4j.linalg.api.buffer.DataType;
 import org.nd4j.linalg.api.ndarray.INDArray;
@@ -31,9 +32,7 @@ import java.util.List;
 
 import static org.junit.Assert.*;
 
-public class WritableTest {
+public class WritableTest extends BaseND4JTest {
-
-
 
     @Test
     public void testWritableEqualityReflexive() {

datavec/datavec-arrow/pom.xml

@@ -49,6 +49,12 @@
             <artifactId>arrow-format</artifactId>
             <version>${arrow.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <profiles>

datavec/datavec-arrow/src/test/java/org/datavec/arrow/ArrowConverterTest.java

@@ -40,6 +40,7 @@ import org.datavec.arrow.recordreader.ArrowWritableRecordBatch;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.api.ndarray.INDArray;
 import org.nd4j.linalg.factory.Nd4j;
 import org.nd4j.linalg.primitives.Pair;
@@ -56,7 +57,7 @@ import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
-public class ArrowConverterTest {
+public class ArrowConverterTest extends BaseND4JTest {
 
     private static BufferAllocator bufferAllocator = new RootAllocator(Long.MAX_VALUE);
 

datavec/datavec-arrow/src/test/java/org/datavec/arrow/AssertTestsExtendBaseClass.java

@@ -0,0 +1,50 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.arrow;
+
+import lombok.extern.slf4j.Slf4j;
+import org.nd4j.BaseND4JTest;
+import org.nd4j.AbstractAssertTestsClass;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseND4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.datavec.arrow";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseND4JTest.class;
+	}
+}

datavec/datavec-arrow/src/test/java/org/datavec/arrow/RecordMapperTest.java

@@ -31,6 +31,7 @@ import org.datavec.api.writable.Writable;
 import org.datavec.arrow.recordreader.ArrowRecordReader;
 import org.datavec.arrow.recordreader.ArrowRecordWriter;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 import org.nd4j.linalg.primitives.Triple;
 
 import java.io.File;
@@ -41,7 +42,7 @@ import java.util.List;
 
 import static org.junit.Assert.assertEquals;
 
-public class RecordMapperTest {
+public class RecordMapperTest extends BaseND4JTest {
 
     @Test
     public void testMultiWrite() throws Exception {

datavec/datavec-arrow/src/test/java/org/datavec/arrow/recordreader/ArrowWritableRecordTimeSeriesBatchTests.java

@@ -27,6 +27,7 @@ import org.datavec.api.writable.Writable;
 import org.datavec.arrow.ArrowConverter;
 import org.junit.Ignore;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -35,7 +36,7 @@ import java.util.List;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
-public class ArrowWritableRecordTimeSeriesBatchTests {
+public class ArrowWritableRecordTimeSeriesBatchTests extends BaseND4JTest {
 
     private static BufferAllocator bufferAllocator = new RootAllocator(Long.MAX_VALUE);
 

datavec/datavec-data/datavec-data-audio/pom.xml

@@ -57,6 +57,13 @@
             <classifier>with-dependencies</classifier>
         </dependency>
 
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
 <!-- Do not depend on FFmpeg by default due to licensing concerns. -->
 <!--
         <dependency>

datavec/datavec-data/datavec-data-audio/src/test/java/org/datavec/audio/AssertTestsExtendBaseClass.java

@@ -0,0 +1,55 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.audio;
+
+import lombok.extern.slf4j.Slf4j;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseDl4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+	@Override
+	public long getTimeoutMilliseconds() {
+		return 60000;
+	}
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.datavec.audio";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseND4JTest.class;
+	}
+}

datavec/datavec-data/datavec-data-audio/src/test/java/org/datavec/audio/AudioReaderTest.java

@@ -24,6 +24,7 @@ import org.datavec.api.writable.Writable;
 import org.datavec.audio.recordreader.NativeAudioRecordReader;
 import org.junit.Ignore;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
 import java.io.File;
 import java.nio.ShortBuffer;
@@ -36,7 +37,7 @@ import static org.junit.Assert.assertTrue;
 /**
  * @author saudet
  */
-public class AudioReaderTest {
+public class AudioReaderTest extends BaseND4JTest {
     @Ignore
     @Test
     public void testNativeAudioReader() throws Exception {

datavec/datavec-data/datavec-data-audio/src/test/java/org/datavec/audio/TestFastFourierTransform.java

@@ -19,8 +19,9 @@ package org.datavec.audio;
 import org.datavec.audio.dsp.FastFourierTransform;
 import org.junit.Assert;
 import org.junit.Test;
+import org.nd4j.BaseND4JTest;
 
-public class TestFastFourierTransform {
+public class TestFastFourierTransform extends BaseND4JTest {
 
     @Test
     public void testFastFourierTransformComplex() {

datavec/datavec-data/datavec-data-codec/pom.xml

@@ -44,6 +44,13 @@
             <version>${project.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
 <!-- Do not depend on FFmpeg by default due to licensing concerns. -->
 <!--
         <dependency>

datavec/datavec-data/datavec-data-codec/src/test/java/org/datavec/codec/reader/AssertTestsExtendBaseClass.java

@@ -0,0 +1,50 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.codec.reader;
+
+import lombok.extern.slf4j.Slf4j;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseDl4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.datavec.codec.reader";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseND4JTest.class;
+	}
+}

datavec/datavec-data/datavec-data-image/pom.xml

@@ -99,6 +99,13 @@
             <artifactId>hdf5-platform</artifactId>
             <version>${hdf5.version}-${javacpp-presets.version}</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>

datavec/datavec-data/datavec-data-image/src/test/java/org/datavec/image/AssertTestsExtendBaseClass.java

@@ -0,0 +1,50 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.image;
+
+import lombok.extern.slf4j.Slf4j;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseDl4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+	@Override
+	protected Set<Class<?>> getExclusions() {
+		//Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+		return new HashSet<>();
+	}
+
+	@Override
+	protected String getPackageName() {
+		return "org.datavec.image";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+		return BaseND4JTest.class;
+	}
+}

datavec/datavec-data/datavec-data-nlp/pom.xml

@@ -60,6 +60,13 @@
             <version>${logback.version}</version>
             <scope>test</scope>
         </dependency>
+
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <profiles>

datavec/datavec-data/datavec-data-nlp/src/test/java/org/datavec/nlp/AssertTestsExtendBaseClass.java

@@ -0,0 +1,50 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.nlp;
+
+import lombok.extern.slf4j.Slf4j;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseDl4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+	@Override
+	protected Set<Class<?>> getExclusions() {
+		//Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+		return new HashSet<>();
+	}
+
+	@Override
+	protected String getPackageName() {
+		return "org.datavec.nlp";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+		return BaseND4JTest.class;
+	}
+}

datavec/datavec-data/datavec-geo/pom.xml

@@ -15,7 +15,8 @@
   ~ SPDX-License-Identifier: Apache-2.0
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>datavec-parent</artifactId>
         <groupId>org.datavec</groupId>
@@ -31,6 +32,12 @@
             <artifactId>datavec-api</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>com.maxmind.geoip2</groupId>
             <artifactId>geoip2</artifactId>

datavec/datavec-data/datavec-geo/src/test/java/org/datavec/api/transform/AssertTestsExtendBaseClass.java

@@ -0,0 +1,49 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.api.transform;
+
+import lombok.extern.slf4j.Slf4j;
+import java.util.*;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseND4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.datavec.api.transform";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseND4JTest.class;
+	}
+}

datavec/datavec-data/datavec-hadoop/pom.xml

@@ -60,6 +60,13 @@
                 </exclusion>
             </exclusions>
         </dependency>
+
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <profiles>

datavec/datavec-data/datavec-hadoop/src/test/java/org/datavec/hadoop/AssertTestsExtendBaseClass.java

@@ -0,0 +1,48 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.hadoop;
+
+import lombok.extern.slf4j.Slf4j;
+import java.util.*;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseND4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.datavec.hadoop";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseND4JTest.class;
+	}
+}

datavec/datavec-excel/pom.xml

@@ -51,6 +51,13 @@
             <artifactId>poi-ooxml</artifactId>
             <version>${poi.version}</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <profiles>

datavec/datavec-excel/src/test/java/org/datavec/poi/excel/AssertTestsExtendBaseClass.java

@@ -0,0 +1,50 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.poi.excel;
+
+import lombok.extern.slf4j.Slf4j;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseND4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.datavec.poi.excel";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseND4JTest.class;
+	}
+}

datavec/datavec-jdbc/pom.xml

@@ -58,6 +58,13 @@
             <version>${derby.version}</version>
             <scope>test</scope>
         </dependency>
+
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <profiles>

datavec/datavec-jdbc/src/test/java/org/datavec/api/records/reader/AssertTestsExtendBaseClass.java

@@ -0,0 +1,49 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.api.records.reader;
+
+import lombok.extern.slf4j.Slf4j;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseND4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.datavec.api.records.reader";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseND4JTest.class;
+	}
+}

datavec/datavec-local/pom.xml

@@ -81,6 +81,13 @@
             <scope>test</scope>
         </dependency>
 
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
     </dependencies>
 
     <profiles>

datavec/datavec-local/src/test/java/org/datavec/local/transforms/AssertTestsExtendBaseClass.java

@@ -0,0 +1,50 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.local.transforms;
+
+import lombok.extern.slf4j.Slf4j;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseDl4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.datavec.local.transforms";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseND4JTest.class;
+	}
+}

datavec/datavec-local/src/test/java/org/datavec/local/transforms/analysis/TestAnalyzeLocal.java

@@ -28,6 +28,7 @@ import org.datavec.local.transforms.AnalyzeLocal;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
+import org.nd4j.linalg.api.buffer.DataType;
 import org.nd4j.linalg.api.ndarray.INDArray;
 import org.nd4j.linalg.io.ClassPathResource;
 
@@ -63,7 +64,7 @@ public class TestAnalyzeLocal {
             list.add(rr.next());
         }
 
-        INDArray arr = RecordConverter.toMatrix(list);
+        INDArray arr = RecordConverter.toMatrix(DataType.DOUBLE, list);
         INDArray mean = arr.mean(0);
         INDArray std = arr.std(0);
 

datavec/datavec-python/pom.xml

@@ -64,6 +64,13 @@
             <artifactId>nd4j-native-api</artifactId>
             <version>${project.version}</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <profiles>

datavec/datavec-python/src/test/java/org/datavec/python/AssertTestsExtendBaseClass.java

@@ -0,0 +1,50 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.python;
+
+import lombok.extern.slf4j.Slf4j;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseND4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.datavec.python";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseND4JTest.class;
+	}
+}

datavec/datavec-spark-inference-parent/datavec-spark-inference-client/pom.xml

@@ -51,6 +51,13 @@
             <artifactId>datavec-spark-inference-model</artifactId>
             <version>${project.parent.version}</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <profiles>

datavec/datavec-spark-inference-parent/datavec-spark-inference-client/src/test/java/org/datavec/transform/client/AssertTestsExtendBaseClass.java

@@ -0,0 +1,49 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.transform.client;
+
+import lombok.extern.slf4j.Slf4j;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseDl4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.datavec.transform.client";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseND4JTest.class;
+	}
+}

datavec/datavec-spark-inference-parent/datavec-spark-inference-model/pom.xml

@@ -45,6 +45,13 @@
             <artifactId>datavec-local</artifactId>
             <version>${project.version}</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-common-tests</artifactId>
+            <version>${nd4j.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <profiles>

datavec/datavec-spark-inference-parent/datavec-spark-inference-model/src/main/java/org/datavec/spark/transform/CSVSparkTransform.java

@@ -33,6 +33,7 @@ import org.datavec.spark.transform.model.Base64NDArrayBody;
 import org.datavec.spark.transform.model.BatchCSVRecord;
 import org.datavec.spark.transform.model.SequenceBatchCSVRecord;
 import org.datavec.spark.transform.model.SingleCSVRecord;
+import org.nd4j.linalg.api.buffer.DataType;
 import org.nd4j.linalg.api.ndarray.INDArray;
 import org.nd4j.serde.base64.Nd4jBase64;
 
@@ -91,7 +92,7 @@ public class CSVSparkTransform {
                         transformProcess.getInitialSchema(),record.getValues()),
                 transformProcess.getInitialSchema());
         List<Writable> finalRecord = execute(Arrays.asList(record2),transformProcess).get(0);
-        INDArray convert = RecordConverter.toArray(finalRecord);
+        INDArray convert = RecordConverter.toArray(DataType.DOUBLE, finalRecord);
         return new Base64NDArrayBody(Nd4jBase64.base64String(convert));
     }
 

datavec/datavec-spark-inference-parent/datavec-spark-inference-model/src/test/java/org/datavec/spark/transform/AssertTestsExtendBaseClass.java

@@ -0,0 +1,50 @@
+/* ******************************************************************************
+ * Copyright (c) 2020 Konduit K.K.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+package org.datavec.spark.transform;
+
+import lombok.extern.slf4j.Slf4j;
+import org.nd4j.AbstractAssertTestsClass;
+import org.nd4j.BaseND4JTest;
+
+import java.util.*;
+
+/**
+ * This class checks that all test classes (i.e., anything with one or more methods annotated with @Test)
+ * extends BaseDl4jTest - either directly or indirectly.
+ * Other than a small set of exceptions, all tests must extend this
+ *
+ * @author Alex Black
+ */
+
+@Slf4j
+public class AssertTestsExtendBaseClass extends AbstractAssertTestsClass {
+
+    @Override
+    protected Set<Class<?>> getExclusions() {
+	    //Set of classes that are exclusions to the rule (either run manually or have their own logging + timeouts)
+	    return new HashSet<>();
+    }
+
+    @Override
+	protected String getPackageName() {
+    	return "org.datavec.spark.transform";
+	}
+
+	@Override
+	protected Class<?> getBaseClass() {
+    	return BaseND4JTest.class;
+	}
+}