/*
 * Copyright 2022 Google LLC
 *
 * Licensed 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
 *
 *      https://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,
 * 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.
 */

package com.google.cloud.eventarc.v1;

import static com.google.cloud.eventarc.v1.EventarcClient.ListChannelConnectionsPagedResponse;
import static com.google.cloud.eventarc.v1.EventarcClient.ListChannelsPagedResponse;
import static com.google.cloud.eventarc.v1.EventarcClient.ListLocationsPagedResponse;
import static com.google.cloud.eventarc.v1.EventarcClient.ListProvidersPagedResponse;
import static com.google.cloud.eventarc.v1.EventarcClient.ListTriggersPagedResponse;

import com.google.api.gax.core.NoCredentialsProvider;
import com.google.api.gax.httpjson.GaxHttpJsonProperties;
import com.google.api.gax.httpjson.testing.MockHttpService;
import com.google.api.gax.rpc.ApiClientHeaderProvider;
import com.google.api.gax.rpc.ApiException;
import com.google.api.gax.rpc.ApiExceptionFactory;
import com.google.api.gax.rpc.InvalidArgumentException;
import com.google.api.gax.rpc.StatusCode;
import com.google.api.gax.rpc.testing.FakeStatusCode;
import com.google.cloud.eventarc.v1.stub.HttpJsonEventarcStub;
import com.google.cloud.location.GetLocationRequest;
import com.google.cloud.location.ListLocationsRequest;
import com.google.cloud.location.ListLocationsResponse;
import com.google.cloud.location.Location;
import com.google.common.collect.Lists;
import com.google.iam.v1.AuditConfig;
import com.google.iam.v1.Binding;
import com.google.iam.v1.GetIamPolicyRequest;
import com.google.iam.v1.GetPolicyOptions;
import com.google.iam.v1.Policy;
import com.google.iam.v1.SetIamPolicyRequest;
import com.google.iam.v1.TestIamPermissionsRequest;
import com.google.iam.v1.TestIamPermissionsResponse;
import com.google.longrunning.Operation;
import com.google.protobuf.Any;
import com.google.protobuf.ByteString;
import com.google.protobuf.FieldMask;
import com.google.protobuf.Timestamp;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.concurrent.ExecutionException;
import javax.annotation.Generated;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

@Generated("by gapic-generator-java")
public class EventarcClientHttpJsonTest {
  private static MockHttpService mockService;
  private static EventarcClient client;

  @BeforeClass
  public static void startStaticServer() throws IOException {
    mockService =
        new MockHttpService(
            HttpJsonEventarcStub.getMethodDescriptors(), EventarcSettings.getDefaultEndpoint());
    EventarcSettings settings =
        EventarcSettings.newHttpJsonBuilder()
            .setTransportChannelProvider(
                EventarcSettings.defaultHttpJsonTransportProviderBuilder()
                    .setHttpTransport(mockService)
                    .build())
            .setCredentialsProvider(NoCredentialsProvider.create())
            .build();
    client = EventarcClient.create(settings);
  }

  @AfterClass
  public static void stopServer() {
    client.close();
  }

  @Before
  public void setUp() {}

  @After
  public void tearDown() throws Exception {
    mockService.reset();
  }

  @Test
  public void getTriggerTest() throws Exception {
    Trigger expectedResponse =
        Trigger.newBuilder()
            .setName(TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .addAllEventFilters(new ArrayList<EventFilter>())
            .setServiceAccount("serviceAccount1079137720")
            .setDestination(Destination.newBuilder().build())
            .setTransport(Transport.newBuilder().build())
            .putAllLabels(new HashMap<String, String>())
            .setChannel("channel738950403")
            .putAllConditions(new HashMap<String, StateCondition>())
            .setEtag("etag3123477")
            .build();
    mockService.addResponse(expectedResponse);

    TriggerName name = TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]");

    Trigger actualResponse = client.getTrigger(name);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void getTriggerExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      TriggerName name = TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]");
      client.getTrigger(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void getTriggerTest2() throws Exception {
    Trigger expectedResponse =
        Trigger.newBuilder()
            .setName(TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .addAllEventFilters(new ArrayList<EventFilter>())
            .setServiceAccount("serviceAccount1079137720")
            .setDestination(Destination.newBuilder().build())
            .setTransport(Transport.newBuilder().build())
            .putAllLabels(new HashMap<String, String>())
            .setChannel("channel738950403")
            .putAllConditions(new HashMap<String, StateCondition>())
            .setEtag("etag3123477")
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3275/locations/location-3275/triggers/trigger-3275";

    Trigger actualResponse = client.getTrigger(name);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void getTriggerExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-3275/locations/location-3275/triggers/trigger-3275";
      client.getTrigger(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listTriggersTest() throws Exception {
    Trigger responsesElement = Trigger.newBuilder().build();
    ListTriggersResponse expectedResponse =
        ListTriggersResponse.newBuilder()
            .setNextPageToken("")
            .addAllTriggers(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");

    ListTriggersPagedResponse pagedListResponse = client.listTriggers(parent);

    List<Trigger> resources = Lists.newArrayList(pagedListResponse.iterateAll());

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getTriggersList().get(0), resources.get(0));

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void listTriggersExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
      client.listTriggers(parent);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listTriggersTest2() throws Exception {
    Trigger responsesElement = Trigger.newBuilder().build();
    ListTriggersResponse expectedResponse =
        ListTriggersResponse.newBuilder()
            .setNextPageToken("")
            .addAllTriggers(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    String parent = "projects/project-5833/locations/location-5833";

    ListTriggersPagedResponse pagedListResponse = client.listTriggers(parent);

    List<Trigger> resources = Lists.newArrayList(pagedListResponse.iterateAll());

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getTriggersList().get(0), resources.get(0));

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void listTriggersExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String parent = "projects/project-5833/locations/location-5833";
      client.listTriggers(parent);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void createTriggerTest() throws Exception {
    Trigger expectedResponse =
        Trigger.newBuilder()
            .setName(TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .addAllEventFilters(new ArrayList<EventFilter>())
            .setServiceAccount("serviceAccount1079137720")
            .setDestination(Destination.newBuilder().build())
            .setTransport(Transport.newBuilder().build())
            .putAllLabels(new HashMap<String, String>())
            .setChannel("channel738950403")
            .putAllConditions(new HashMap<String, StateCondition>())
            .setEtag("etag3123477")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("createTriggerTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    Trigger trigger = Trigger.newBuilder().build();
    String triggerId = "triggerId-648752909";

    Trigger actualResponse = client.createTriggerAsync(parent, trigger, triggerId).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void createTriggerExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
      Trigger trigger = Trigger.newBuilder().build();
      String triggerId = "triggerId-648752909";
      client.createTriggerAsync(parent, trigger, triggerId).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void createTriggerTest2() throws Exception {
    Trigger expectedResponse =
        Trigger.newBuilder()
            .setName(TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .addAllEventFilters(new ArrayList<EventFilter>())
            .setServiceAccount("serviceAccount1079137720")
            .setDestination(Destination.newBuilder().build())
            .setTransport(Transport.newBuilder().build())
            .putAllLabels(new HashMap<String, String>())
            .setChannel("channel738950403")
            .putAllConditions(new HashMap<String, StateCondition>())
            .setEtag("etag3123477")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("createTriggerTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    String parent = "projects/project-5833/locations/location-5833";
    Trigger trigger = Trigger.newBuilder().build();
    String triggerId = "triggerId-648752909";

    Trigger actualResponse = client.createTriggerAsync(parent, trigger, triggerId).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void createTriggerExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String parent = "projects/project-5833/locations/location-5833";
      Trigger trigger = Trigger.newBuilder().build();
      String triggerId = "triggerId-648752909";
      client.createTriggerAsync(parent, trigger, triggerId).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void updateTriggerTest() throws Exception {
    Trigger expectedResponse =
        Trigger.newBuilder()
            .setName(TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .addAllEventFilters(new ArrayList<EventFilter>())
            .setServiceAccount("serviceAccount1079137720")
            .setDestination(Destination.newBuilder().build())
            .setTransport(Transport.newBuilder().build())
            .putAllLabels(new HashMap<String, String>())
            .setChannel("channel738950403")
            .putAllConditions(new HashMap<String, StateCondition>())
            .setEtag("etag3123477")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("updateTriggerTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    Trigger trigger =
        Trigger.newBuilder()
            .setName(TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .addAllEventFilters(new ArrayList<EventFilter>())
            .setServiceAccount("serviceAccount1079137720")
            .setDestination(Destination.newBuilder().build())
            .setTransport(Transport.newBuilder().build())
            .putAllLabels(new HashMap<String, String>())
            .setChannel("channel738950403")
            .putAllConditions(new HashMap<String, StateCondition>())
            .setEtag("etag3123477")
            .build();
    FieldMask updateMask = FieldMask.newBuilder().build();
    boolean allowMissing = true;

    Trigger actualResponse = client.updateTriggerAsync(trigger, updateMask, allowMissing).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void updateTriggerExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      Trigger trigger =
          Trigger.newBuilder()
              .setName(TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]").toString())
              .setUid("uid115792")
              .setCreateTime(Timestamp.newBuilder().build())
              .setUpdateTime(Timestamp.newBuilder().build())
              .addAllEventFilters(new ArrayList<EventFilter>())
              .setServiceAccount("serviceAccount1079137720")
              .setDestination(Destination.newBuilder().build())
              .setTransport(Transport.newBuilder().build())
              .putAllLabels(new HashMap<String, String>())
              .setChannel("channel738950403")
              .putAllConditions(new HashMap<String, StateCondition>())
              .setEtag("etag3123477")
              .build();
      FieldMask updateMask = FieldMask.newBuilder().build();
      boolean allowMissing = true;
      client.updateTriggerAsync(trigger, updateMask, allowMissing).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void deleteTriggerTest() throws Exception {
    Trigger expectedResponse =
        Trigger.newBuilder()
            .setName(TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .addAllEventFilters(new ArrayList<EventFilter>())
            .setServiceAccount("serviceAccount1079137720")
            .setDestination(Destination.newBuilder().build())
            .setTransport(Transport.newBuilder().build())
            .putAllLabels(new HashMap<String, String>())
            .setChannel("channel738950403")
            .putAllConditions(new HashMap<String, StateCondition>())
            .setEtag("etag3123477")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("deleteTriggerTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    TriggerName name = TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]");
    boolean allowMissing = true;

    Trigger actualResponse = client.deleteTriggerAsync(name, allowMissing).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void deleteTriggerExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      TriggerName name = TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]");
      boolean allowMissing = true;
      client.deleteTriggerAsync(name, allowMissing).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void deleteTriggerTest2() throws Exception {
    Trigger expectedResponse =
        Trigger.newBuilder()
            .setName(TriggerName.of("[PROJECT]", "[LOCATION]", "[TRIGGER]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .addAllEventFilters(new ArrayList<EventFilter>())
            .setServiceAccount("serviceAccount1079137720")
            .setDestination(Destination.newBuilder().build())
            .setTransport(Transport.newBuilder().build())
            .putAllLabels(new HashMap<String, String>())
            .setChannel("channel738950403")
            .putAllConditions(new HashMap<String, StateCondition>())
            .setEtag("etag3123477")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("deleteTriggerTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    String name = "projects/project-3275/locations/location-3275/triggers/trigger-3275";
    boolean allowMissing = true;

    Trigger actualResponse = client.deleteTriggerAsync(name, allowMissing).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void deleteTriggerExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-3275/locations/location-3275/triggers/trigger-3275";
      boolean allowMissing = true;
      client.deleteTriggerAsync(name, allowMissing).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void getChannelTest() throws Exception {
    Channel expectedResponse =
        Channel.newBuilder()
            .setName(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setProvider("provider-987494927")
            .setActivationToken("activationToken1276937859")
            .setCryptoKeyName("cryptoKeyName1447084425")
            .build();
    mockService.addResponse(expectedResponse);

    ChannelName name = ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]");

    Channel actualResponse = client.getChannel(name);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void getChannelExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      ChannelName name = ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]");
      client.getChannel(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void getChannelTest2() throws Exception {
    Channel expectedResponse =
        Channel.newBuilder()
            .setName(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setProvider("provider-987494927")
            .setActivationToken("activationToken1276937859")
            .setCryptoKeyName("cryptoKeyName1447084425")
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3296/locations/location-3296/channels/channel-3296";

    Channel actualResponse = client.getChannel(name);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void getChannelExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-3296/locations/location-3296/channels/channel-3296";
      client.getChannel(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listChannelsTest() throws Exception {
    Channel responsesElement = Channel.newBuilder().build();
    ListChannelsResponse expectedResponse =
        ListChannelsResponse.newBuilder()
            .setNextPageToken("")
            .addAllChannels(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");

    ListChannelsPagedResponse pagedListResponse = client.listChannels(parent);

    List<Channel> resources = Lists.newArrayList(pagedListResponse.iterateAll());

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getChannelsList().get(0), resources.get(0));

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void listChannelsExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
      client.listChannels(parent);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listChannelsTest2() throws Exception {
    Channel responsesElement = Channel.newBuilder().build();
    ListChannelsResponse expectedResponse =
        ListChannelsResponse.newBuilder()
            .setNextPageToken("")
            .addAllChannels(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    String parent = "projects/project-5833/locations/location-5833";

    ListChannelsPagedResponse pagedListResponse = client.listChannels(parent);

    List<Channel> resources = Lists.newArrayList(pagedListResponse.iterateAll());

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getChannelsList().get(0), resources.get(0));

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void listChannelsExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String parent = "projects/project-5833/locations/location-5833";
      client.listChannels(parent);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void createChannelTest() throws Exception {
    Channel expectedResponse =
        Channel.newBuilder()
            .setName(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setProvider("provider-987494927")
            .setActivationToken("activationToken1276937859")
            .setCryptoKeyName("cryptoKeyName1447084425")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("createChannelTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    Channel channel = Channel.newBuilder().build();
    String channelId = "channelId1461735806";

    Channel actualResponse = client.createChannelAsync(parent, channel, channelId).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void createChannelExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
      Channel channel = Channel.newBuilder().build();
      String channelId = "channelId1461735806";
      client.createChannelAsync(parent, channel, channelId).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void createChannelTest2() throws Exception {
    Channel expectedResponse =
        Channel.newBuilder()
            .setName(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setProvider("provider-987494927")
            .setActivationToken("activationToken1276937859")
            .setCryptoKeyName("cryptoKeyName1447084425")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("createChannelTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    String parent = "projects/project-5833/locations/location-5833";
    Channel channel = Channel.newBuilder().build();
    String channelId = "channelId1461735806";

    Channel actualResponse = client.createChannelAsync(parent, channel, channelId).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void createChannelExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String parent = "projects/project-5833/locations/location-5833";
      Channel channel = Channel.newBuilder().build();
      String channelId = "channelId1461735806";
      client.createChannelAsync(parent, channel, channelId).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void updateChannelTest() throws Exception {
    Channel expectedResponse =
        Channel.newBuilder()
            .setName(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setProvider("provider-987494927")
            .setActivationToken("activationToken1276937859")
            .setCryptoKeyName("cryptoKeyName1447084425")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("updateChannelTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    Channel channel =
        Channel.newBuilder()
            .setName(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setProvider("provider-987494927")
            .setActivationToken("activationToken1276937859")
            .setCryptoKeyName("cryptoKeyName1447084425")
            .build();
    FieldMask updateMask = FieldMask.newBuilder().build();

    Channel actualResponse = client.updateChannelAsync(channel, updateMask).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void updateChannelExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      Channel channel =
          Channel.newBuilder()
              .setName(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
              .setUid("uid115792")
              .setCreateTime(Timestamp.newBuilder().build())
              .setUpdateTime(Timestamp.newBuilder().build())
              .setProvider("provider-987494927")
              .setActivationToken("activationToken1276937859")
              .setCryptoKeyName("cryptoKeyName1447084425")
              .build();
      FieldMask updateMask = FieldMask.newBuilder().build();
      client.updateChannelAsync(channel, updateMask).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void deleteChannelTest() throws Exception {
    Channel expectedResponse =
        Channel.newBuilder()
            .setName(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setProvider("provider-987494927")
            .setActivationToken("activationToken1276937859")
            .setCryptoKeyName("cryptoKeyName1447084425")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("deleteChannelTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    ChannelName name = ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]");

    Channel actualResponse = client.deleteChannelAsync(name).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void deleteChannelExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      ChannelName name = ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]");
      client.deleteChannelAsync(name).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void deleteChannelTest2() throws Exception {
    Channel expectedResponse =
        Channel.newBuilder()
            .setName(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setUid("uid115792")
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setProvider("provider-987494927")
            .setActivationToken("activationToken1276937859")
            .setCryptoKeyName("cryptoKeyName1447084425")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("deleteChannelTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    String name = "projects/project-3296/locations/location-3296/channels/channel-3296";

    Channel actualResponse = client.deleteChannelAsync(name).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void deleteChannelExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-3296/locations/location-3296/channels/channel-3296";
      client.deleteChannelAsync(name).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void getProviderTest() throws Exception {
    Provider expectedResponse =
        Provider.newBuilder()
            .setName(ProviderName.of("[PROJECT]", "[LOCATION]", "[PROVIDER]").toString())
            .setDisplayName("displayName1714148973")
            .addAllEventTypes(new ArrayList<EventType>())
            .build();
    mockService.addResponse(expectedResponse);

    ProviderName name = ProviderName.of("[PROJECT]", "[LOCATION]", "[PROVIDER]");

    Provider actualResponse = client.getProvider(name);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void getProviderExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      ProviderName name = ProviderName.of("[PROJECT]", "[LOCATION]", "[PROVIDER]");
      client.getProvider(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void getProviderTest2() throws Exception {
    Provider expectedResponse =
        Provider.newBuilder()
            .setName(ProviderName.of("[PROJECT]", "[LOCATION]", "[PROVIDER]").toString())
            .setDisplayName("displayName1714148973")
            .addAllEventTypes(new ArrayList<EventType>())
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-9368/locations/location-9368/providers/provider-9368";

    Provider actualResponse = client.getProvider(name);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void getProviderExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-9368/locations/location-9368/providers/provider-9368";
      client.getProvider(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listProvidersTest() throws Exception {
    Provider responsesElement = Provider.newBuilder().build();
    ListProvidersResponse expectedResponse =
        ListProvidersResponse.newBuilder()
            .setNextPageToken("")
            .addAllProviders(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");

    ListProvidersPagedResponse pagedListResponse = client.listProviders(parent);

    List<Provider> resources = Lists.newArrayList(pagedListResponse.iterateAll());

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getProvidersList().get(0), resources.get(0));

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void listProvidersExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
      client.listProviders(parent);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listProvidersTest2() throws Exception {
    Provider responsesElement = Provider.newBuilder().build();
    ListProvidersResponse expectedResponse =
        ListProvidersResponse.newBuilder()
            .setNextPageToken("")
            .addAllProviders(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    String parent = "projects/project-5833/locations/location-5833";

    ListProvidersPagedResponse pagedListResponse = client.listProviders(parent);

    List<Provider> resources = Lists.newArrayList(pagedListResponse.iterateAll());

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getProvidersList().get(0), resources.get(0));

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void listProvidersExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String parent = "projects/project-5833/locations/location-5833";
      client.listProviders(parent);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void getChannelConnectionTest() throws Exception {
    ChannelConnection expectedResponse =
        ChannelConnection.newBuilder()
            .setName(
                ChannelConnectionName.of("[PROJECT]", "[LOCATION]", "[CHANNEL_CONNECTION]")
                    .toString())
            .setUid("uid115792")
            .setChannel(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setActivationToken("activationToken1276937859")
            .build();
    mockService.addResponse(expectedResponse);

    ChannelConnectionName name =
        ChannelConnectionName.of("[PROJECT]", "[LOCATION]", "[CHANNEL_CONNECTION]");

    ChannelConnection actualResponse = client.getChannelConnection(name);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void getChannelConnectionExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      ChannelConnectionName name =
          ChannelConnectionName.of("[PROJECT]", "[LOCATION]", "[CHANNEL_CONNECTION]");
      client.getChannelConnection(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void getChannelConnectionTest2() throws Exception {
    ChannelConnection expectedResponse =
        ChannelConnection.newBuilder()
            .setName(
                ChannelConnectionName.of("[PROJECT]", "[LOCATION]", "[CHANNEL_CONNECTION]")
                    .toString())
            .setUid("uid115792")
            .setChannel(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setActivationToken("activationToken1276937859")
            .build();
    mockService.addResponse(expectedResponse);

    String name =
        "projects/project-8642/locations/location-8642/channelConnections/channelConnection-8642";

    ChannelConnection actualResponse = client.getChannelConnection(name);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void getChannelConnectionExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name =
          "projects/project-8642/locations/location-8642/channelConnections/channelConnection-8642";
      client.getChannelConnection(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listChannelConnectionsTest() throws Exception {
    ChannelConnection responsesElement = ChannelConnection.newBuilder().build();
    ListChannelConnectionsResponse expectedResponse =
        ListChannelConnectionsResponse.newBuilder()
            .setNextPageToken("")
            .addAllChannelConnections(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");

    ListChannelConnectionsPagedResponse pagedListResponse = client.listChannelConnections(parent);

    List<ChannelConnection> resources = Lists.newArrayList(pagedListResponse.iterateAll());

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getChannelConnectionsList().get(0), resources.get(0));

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void listChannelConnectionsExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
      client.listChannelConnections(parent);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listChannelConnectionsTest2() throws Exception {
    ChannelConnection responsesElement = ChannelConnection.newBuilder().build();
    ListChannelConnectionsResponse expectedResponse =
        ListChannelConnectionsResponse.newBuilder()
            .setNextPageToken("")
            .addAllChannelConnections(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    String parent = "projects/project-5833/locations/location-5833";

    ListChannelConnectionsPagedResponse pagedListResponse = client.listChannelConnections(parent);

    List<ChannelConnection> resources = Lists.newArrayList(pagedListResponse.iterateAll());

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getChannelConnectionsList().get(0), resources.get(0));

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void listChannelConnectionsExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String parent = "projects/project-5833/locations/location-5833";
      client.listChannelConnections(parent);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void createChannelConnectionTest() throws Exception {
    ChannelConnection expectedResponse =
        ChannelConnection.newBuilder()
            .setName(
                ChannelConnectionName.of("[PROJECT]", "[LOCATION]", "[CHANNEL_CONNECTION]")
                    .toString())
            .setUid("uid115792")
            .setChannel(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setActivationToken("activationToken1276937859")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("createChannelConnectionTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    ChannelConnection channelConnection = ChannelConnection.newBuilder().build();
    String channelConnectionId = "channelConnectionId-1246974660";

    ChannelConnection actualResponse =
        client.createChannelConnectionAsync(parent, channelConnection, channelConnectionId).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void createChannelConnectionExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
      ChannelConnection channelConnection = ChannelConnection.newBuilder().build();
      String channelConnectionId = "channelConnectionId-1246974660";
      client.createChannelConnectionAsync(parent, channelConnection, channelConnectionId).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void createChannelConnectionTest2() throws Exception {
    ChannelConnection expectedResponse =
        ChannelConnection.newBuilder()
            .setName(
                ChannelConnectionName.of("[PROJECT]", "[LOCATION]", "[CHANNEL_CONNECTION]")
                    .toString())
            .setUid("uid115792")
            .setChannel(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setActivationToken("activationToken1276937859")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("createChannelConnectionTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    String parent = "projects/project-5833/locations/location-5833";
    ChannelConnection channelConnection = ChannelConnection.newBuilder().build();
    String channelConnectionId = "channelConnectionId-1246974660";

    ChannelConnection actualResponse =
        client.createChannelConnectionAsync(parent, channelConnection, channelConnectionId).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void createChannelConnectionExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String parent = "projects/project-5833/locations/location-5833";
      ChannelConnection channelConnection = ChannelConnection.newBuilder().build();
      String channelConnectionId = "channelConnectionId-1246974660";
      client.createChannelConnectionAsync(parent, channelConnection, channelConnectionId).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void deleteChannelConnectionTest() throws Exception {
    ChannelConnection expectedResponse =
        ChannelConnection.newBuilder()
            .setName(
                ChannelConnectionName.of("[PROJECT]", "[LOCATION]", "[CHANNEL_CONNECTION]")
                    .toString())
            .setUid("uid115792")
            .setChannel(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setActivationToken("activationToken1276937859")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("deleteChannelConnectionTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    ChannelConnectionName name =
        ChannelConnectionName.of("[PROJECT]", "[LOCATION]", "[CHANNEL_CONNECTION]");

    ChannelConnection actualResponse = client.deleteChannelConnectionAsync(name).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void deleteChannelConnectionExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      ChannelConnectionName name =
          ChannelConnectionName.of("[PROJECT]", "[LOCATION]", "[CHANNEL_CONNECTION]");
      client.deleteChannelConnectionAsync(name).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void deleteChannelConnectionTest2() throws Exception {
    ChannelConnection expectedResponse =
        ChannelConnection.newBuilder()
            .setName(
                ChannelConnectionName.of("[PROJECT]", "[LOCATION]", "[CHANNEL_CONNECTION]")
                    .toString())
            .setUid("uid115792")
            .setChannel(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setCreateTime(Timestamp.newBuilder().build())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setActivationToken("activationToken1276937859")
            .build();
    Operation resultOperation =
        Operation.newBuilder()
            .setName("deleteChannelConnectionTest")
            .setDone(true)
            .setResponse(Any.pack(expectedResponse))
            .build();
    mockService.addResponse(resultOperation);

    String name =
        "projects/project-8642/locations/location-8642/channelConnections/channelConnection-8642";

    ChannelConnection actualResponse = client.deleteChannelConnectionAsync(name).get();
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void deleteChannelConnectionExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name =
          "projects/project-8642/locations/location-8642/channelConnections/channelConnection-8642";
      client.deleteChannelConnectionAsync(name).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void getGoogleChannelConfigTest() throws Exception {
    GoogleChannelConfig expectedResponse =
        GoogleChannelConfig.newBuilder()
            .setName(GoogleChannelConfigName.of("[PROJECT]", "[LOCATION]").toString())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setCryptoKeyName("cryptoKeyName1447084425")
            .build();
    mockService.addResponse(expectedResponse);

    GoogleChannelConfigName name = GoogleChannelConfigName.of("[PROJECT]", "[LOCATION]");

    GoogleChannelConfig actualResponse = client.getGoogleChannelConfig(name);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void getGoogleChannelConfigExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      GoogleChannelConfigName name = GoogleChannelConfigName.of("[PROJECT]", "[LOCATION]");
      client.getGoogleChannelConfig(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void getGoogleChannelConfigTest2() throws Exception {
    GoogleChannelConfig expectedResponse =
        GoogleChannelConfig.newBuilder()
            .setName(GoogleChannelConfigName.of("[PROJECT]", "[LOCATION]").toString())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setCryptoKeyName("cryptoKeyName1447084425")
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-4921/locations/location-4921/googleChannelConfig";

    GoogleChannelConfig actualResponse = client.getGoogleChannelConfig(name);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void getGoogleChannelConfigExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-4921/locations/location-4921/googleChannelConfig";
      client.getGoogleChannelConfig(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void updateGoogleChannelConfigTest() throws Exception {
    GoogleChannelConfig expectedResponse =
        GoogleChannelConfig.newBuilder()
            .setName(GoogleChannelConfigName.of("[PROJECT]", "[LOCATION]").toString())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setCryptoKeyName("cryptoKeyName1447084425")
            .build();
    mockService.addResponse(expectedResponse);

    GoogleChannelConfig googleChannelConfig =
        GoogleChannelConfig.newBuilder()
            .setName(GoogleChannelConfigName.of("[PROJECT]", "[LOCATION]").toString())
            .setUpdateTime(Timestamp.newBuilder().build())
            .setCryptoKeyName("cryptoKeyName1447084425")
            .build();
    FieldMask updateMask = FieldMask.newBuilder().build();

    GoogleChannelConfig actualResponse =
        client.updateGoogleChannelConfig(googleChannelConfig, updateMask);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void updateGoogleChannelConfigExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      GoogleChannelConfig googleChannelConfig =
          GoogleChannelConfig.newBuilder()
              .setName(GoogleChannelConfigName.of("[PROJECT]", "[LOCATION]").toString())
              .setUpdateTime(Timestamp.newBuilder().build())
              .setCryptoKeyName("cryptoKeyName1447084425")
              .build();
      FieldMask updateMask = FieldMask.newBuilder().build();
      client.updateGoogleChannelConfig(googleChannelConfig, updateMask);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listLocationsTest() throws Exception {
    Location responsesElement = Location.newBuilder().build();
    ListLocationsResponse expectedResponse =
        ListLocationsResponse.newBuilder()
            .setNextPageToken("")
            .addAllLocations(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    ListLocationsRequest request =
        ListLocationsRequest.newBuilder()
            .setName("projects/project-3664")
            .setFilter("filter-1274492040")
            .setPageSize(883849137)
            .setPageToken("pageToken873572522")
            .build();

    ListLocationsPagedResponse pagedListResponse = client.listLocations(request);

    List<Location> resources = Lists.newArrayList(pagedListResponse.iterateAll());

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getLocationsList().get(0), resources.get(0));

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void listLocationsExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      ListLocationsRequest request =
          ListLocationsRequest.newBuilder()
              .setName("projects/project-3664")
              .setFilter("filter-1274492040")
              .setPageSize(883849137)
              .setPageToken("pageToken873572522")
              .build();
      client.listLocations(request);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void getLocationTest() throws Exception {
    Location expectedResponse =
        Location.newBuilder()
            .setName("name3373707")
            .setLocationId("locationId1541836720")
            .setDisplayName("displayName1714148973")
            .putAllLabels(new HashMap<String, String>())
            .setMetadata(Any.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    GetLocationRequest request =
        GetLocationRequest.newBuilder()
            .setName("projects/project-9062/locations/location-9062")
            .build();

    Location actualResponse = client.getLocation(request);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void getLocationExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      GetLocationRequest request =
          GetLocationRequest.newBuilder()
              .setName("projects/project-9062/locations/location-9062")
              .build();
      client.getLocation(request);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void setIamPolicyTest() throws Exception {
    Policy expectedResponse =
        Policy.newBuilder()
            .setVersion(351608024)
            .addAllBindings(new ArrayList<Binding>())
            .addAllAuditConfigs(new ArrayList<AuditConfig>())
            .setEtag(ByteString.EMPTY)
            .build();
    mockService.addResponse(expectedResponse);

    SetIamPolicyRequest request =
        SetIamPolicyRequest.newBuilder()
            .setResource(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setPolicy(Policy.newBuilder().build())
            .setUpdateMask(FieldMask.newBuilder().build())
            .build();

    Policy actualResponse = client.setIamPolicy(request);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void setIamPolicyExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      SetIamPolicyRequest request =
          SetIamPolicyRequest.newBuilder()
              .setResource(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
              .setPolicy(Policy.newBuilder().build())
              .setUpdateMask(FieldMask.newBuilder().build())
              .build();
      client.setIamPolicy(request);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void getIamPolicyTest() throws Exception {
    Policy expectedResponse =
        Policy.newBuilder()
            .setVersion(351608024)
            .addAllBindings(new ArrayList<Binding>())
            .addAllAuditConfigs(new ArrayList<AuditConfig>())
            .setEtag(ByteString.EMPTY)
            .build();
    mockService.addResponse(expectedResponse);

    GetIamPolicyRequest request =
        GetIamPolicyRequest.newBuilder()
            .setResource(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .setOptions(GetPolicyOptions.newBuilder().build())
            .build();

    Policy actualResponse = client.getIamPolicy(request);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void getIamPolicyExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      GetIamPolicyRequest request =
          GetIamPolicyRequest.newBuilder()
              .setResource(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
              .setOptions(GetPolicyOptions.newBuilder().build())
              .build();
      client.getIamPolicy(request);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void testIamPermissionsTest() throws Exception {
    TestIamPermissionsResponse expectedResponse =
        TestIamPermissionsResponse.newBuilder().addAllPermissions(new ArrayList<String>()).build();
    mockService.addResponse(expectedResponse);

    TestIamPermissionsRequest request =
        TestIamPermissionsRequest.newBuilder()
            .setResource(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
            .addAllPermissions(new ArrayList<String>())
            .build();

    TestIamPermissionsResponse actualResponse = client.testIamPermissions(request);
    Assert.assertEquals(expectedResponse, actualResponse);

    List<String> actualRequests = mockService.getRequestPaths();
    Assert.assertEquals(1, actualRequests.size());

    String apiClientHeaderKey =
        mockService
            .getRequestHeaders()
            .get(ApiClientHeaderProvider.getDefaultApiClientHeaderKey())
            .iterator()
            .next();
    Assert.assertTrue(
        GaxHttpJsonProperties.getDefaultApiClientHeaderPattern()
            .matcher(apiClientHeaderKey)
            .matches());
  }

  @Test
  public void testIamPermissionsExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      TestIamPermissionsRequest request =
          TestIamPermissionsRequest.newBuilder()
              .setResource(ChannelName.of("[PROJECT]", "[LOCATION]", "[CHANNEL]").toString())
              .addAllPermissions(new ArrayList<String>())
              .build();
      client.testIamPermissions(request);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }
}