runners/java-fn-execution/src/test/java/org/apache/beam/runners/fnexecution/data/RemoteInputDestinationTest.java

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 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://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,
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package org.apache.beam.runners.fnexecution.data;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;

import org.apache.beam.sdk.coders.ByteArrayCoder;
import org.apache.beam.sdk.coders.IterableCoder;
import org.apache.beam.sdk.coders.KvCoder;
import org.apache.beam.sdk.coders.LengthPrefixCoder;
import org.apache.beam.sdk.coders.VarLongCoder;
import org.apache.beam.sdk.values.KV;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for {@link RemoteInputDestination}. */
@RunWith(JUnit4.class)
public class RemoteInputDestinationTest {

  @Test
  public void testConstruction() {
    String transformId = "my_target_pt";

    KvCoder<byte[], Iterable<Long>> coder =
        KvCoder.of(LengthPrefixCoder.of(ByteArrayCoder.of()), IterableCoder.of(VarLongCoder.of()));
    RemoteInputDestination<KV<byte[], Iterable<Long>>> destination =
        RemoteInputDestination.of(coder, transformId);

    assertThat(destination.getCoder(), equalTo(coder));
    assertThat(destination.getPTransformId(), equalTo(transformId));
  }
}