sdks/java/fn-execution/src/test/java/org/apache/beam/sdk/fn/data/RemoteGrpcPortWriteTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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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 * See the License for the specific language governing permissions and
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 */
package org.apache.beam.sdk.fn.data;

import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;

import org.apache.beam.model.fnexecution.v1.BeamFnApi.RemoteGrpcPort;
import org.apache.beam.model.pipeline.v1.Endpoints.ApiServiceDescriptor;
import org.apache.beam.model.pipeline.v1.Endpoints.OAuth2ClientCredentialsGrant;
import org.apache.beam.model.pipeline.v1.RunnerApi.PTransform;
import org.apache.beam.vendor.grpc.v1p21p0.com.google.protobuf.InvalidProtocolBufferException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for {@link RemoteGrpcPortWrite}. */
@RunWith(JUnit4.class)
public class RemoteGrpcPortWriteTest {
  @Test
  public void getPortSucceeds() {
    RemoteGrpcPort port =
        RemoteGrpcPort.newBuilder()
            .setApiServiceDescriptor(
                ApiServiceDescriptor.newBuilder()
                    .setUrl("foo")
                    .setOauth2ClientCredentialsGrant(
                        OAuth2ClientCredentialsGrant.getDefaultInstance())
                    .build())
            .build();

    RemoteGrpcPortWrite write = RemoteGrpcPortWrite.writeToPort("myPort", port);
    assertThat(write.getPort(), equalTo(port));
  }

  @Test
  public void toFromPTransform() throws InvalidProtocolBufferException {
    RemoteGrpcPort port =
        RemoteGrpcPort.newBuilder()
            .setApiServiceDescriptor(
                ApiServiceDescriptor.newBuilder()
                    .setUrl("foo")
                    .setOauth2ClientCredentialsGrant(
                        OAuth2ClientCredentialsGrant.getDefaultInstance())
                    .build())
            .build();

    RemoteGrpcPortWrite write = RemoteGrpcPortWrite.writeToPort("myPort", port);
    PTransform ptransform = PTransform.parseFrom(write.toPTransform().toByteArray());
    RemoteGrpcPortWrite serDeWrite = RemoteGrpcPortWrite.fromPTransform(ptransform);

    assertThat(serDeWrite, equalTo(write));
    assertThat(serDeWrite.getPort(), equalTo(write.getPort()));
    assertThat(serDeWrite.toPTransform(), equalTo(ptransform));
  }
}