/*
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 *  * 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.
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package org.nd4j.parameterserver.updater.storage;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Timeout;
import org.nd4j.common.tests.BaseND4JTest;
import org.nd4j.aeron.ipc.NDArrayMessage;
import org.nd4j.linalg.factory.Nd4j;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;

public class UpdaterStorageTests extends BaseND4JTest {


    @Test
    public void testNone() {
        assertThrows(UnsupportedOperationException.class, () -> {
            UpdateStorage updateStorage = new NoUpdateStorage();
            NDArrayMessage message = NDArrayMessage.wholeArrayUpdate(Nd4j.scalar(1.0));
            updateStorage.addUpdate(message);
            assertEquals(1, updateStorage.numUpdates());
            assertEquals(message, updateStorage.getUpdate(0));
            updateStorage.close();
        });
    }

    @Test
    @Timeout(30)
    public void testInMemory() {
        UpdateStorage updateStorage = new InMemoryUpdateStorage();
        NDArrayMessage message = NDArrayMessage.wholeArrayUpdate(Nd4j.scalar(1.0));
        updateStorage.addUpdate(message);
        assertEquals(1, updateStorage.numUpdates());
        assertEquals(message, updateStorage.getUpdate(0));
        updateStorage.clear();
        assertEquals(0, updateStorage.numUpdates());
        updateStorage.close();
    }

}
