/*
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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.
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 *  *  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
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 *  * License for the specific language governing permissions and limitations
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package org.nd4j.parameterserver.updater;

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.aeron.ndarrayholder.InMemoryNDArrayHolder;
import org.nd4j.linalg.factory.Nd4j;
import org.nd4j.parameterserver.updater.storage.NoUpdateStorage;

import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assumptions.assumeTrue;

@Timeout(30)
public class ParameterServerUpdaterTests extends BaseND4JTest {

    @Test
    public void synchronousTest() {
        int cores = Runtime.getRuntime().availableProcessors();
        ParameterServerUpdater updater = new SynchronousParameterUpdater(new NoUpdateStorage(),
                        new InMemoryNDArrayHolder(Nd4j.zeros(2, 2)), cores);
        for (int i = 0; i < cores; i++) {
            updater.update(NDArrayMessage.wholeArrayUpdate(Nd4j.ones(2, 2)));
        }

        assertTrue(updater.shouldReplicate());
        updater.reset();
        assertFalse(updater.shouldReplicate());
        assumeTrue(updater.toJson()!=null);


    }

}
