2022-09-20 15:40:53 +02:00

99 lines
3.1 KiB
Java

/*
* ******************************************************************************
* *
* *
* * 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.
* *
* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
* * 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.text.documentiterator;
import org.deeplearning4j.BaseDL4JTest;
import org.deeplearning4j.text.sentenceiterator.BasicLineIterator;
import org.deeplearning4j.text.sentenceiterator.SentenceIterator;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Timeout;
import org.nd4j.common.resources.Resources;
import java.io.File;
import static org.junit.jupiter.api.Assertions.assertEquals;
@Timeout(300)
public class BasicLabelAwareIteratorTest extends BaseDL4JTest {
@BeforeEach
public void setUp() throws Exception {
}
@Test
public void testHasNextDocument1() throws Exception {
File inputFile = Resources.asFile("big/raw_sentences.txt");
SentenceIterator iter = new BasicLineIterator(inputFile.getAbsolutePath());
BasicLabelAwareIterator iterator = new BasicLabelAwareIterator.Builder(iter).setLabelTemplate("DOCZ_").build();
int cnt = 0;
while (iterator.hasNextDocument()) {
iterator.nextDocument();
cnt++;
}
assertEquals(97162, cnt);
LabelsSource generator = iterator.getLabelsSource();
assertEquals(97162, generator.getLabels().size());
assertEquals("DOCZ_0", generator.getLabels().get(0));
}
@Test
public void testHasNextDocument2() throws Exception {
File inputFile = Resources.asFile("big/raw_sentences.txt");
SentenceIterator iter = new BasicLineIterator(inputFile.getAbsolutePath());
BasicLabelAwareIterator iterator = new BasicLabelAwareIterator.Builder(iter).setLabelTemplate("DOCZ_").build();
int cnt = 0;
while (iterator.hasNextDocument()) {
iterator.nextDocument();
cnt++;
}
assertEquals(97162, cnt);
iterator.reset();
cnt = 0;
while (iterator.hasNextDocument()) {
iterator.nextDocument();
cnt++;
}
assertEquals(97162, cnt);
LabelsSource generator = iterator.getLabelsSource();
// this is important moment. Iterator after reset should not increase number of labels attained
assertEquals(97162, generator.getLabels().size());
assertEquals("DOCZ_0", generator.getLabels().get(0));
}
}