/*
 * 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.tasks.v2beta2;

import static com.google.cloud.tasks.v2beta2.CloudTasksClient.ListQueuesPagedResponse;
import static com.google.cloud.tasks.v2beta2.CloudTasksClient.ListTasksPagedResponse;

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.api.resourcenames.ResourceName;
import com.google.cloud.tasks.v2beta2.stub.HttpJsonCloudTasksStub;
import com.google.common.collect.Lists;
import com.google.iam.v1.AuditConfig;
import com.google.iam.v1.Binding;
import com.google.iam.v1.Policy;
import com.google.iam.v1.TestIamPermissionsResponse;
import com.google.protobuf.ByteString;
import com.google.protobuf.Duration;
import com.google.protobuf.Empty;
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.List;
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 CloudTasksClientHttpJsonTest {
  private static MockHttpService mockService;
  private static CloudTasksClient client;

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

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

  @Before
  public void setUp() {}

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

  @Test
  public void listQueuesTest() throws Exception {
    Queue responsesElement = Queue.newBuilder().build();
    ListQueuesResponse expectedResponse =
        ListQueuesResponse.newBuilder()
            .setNextPageToken("")
            .addAllQueues(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

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

    ListQueuesPagedResponse pagedListResponse = client.listQueues(parent);

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

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getQueuesList().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 listQueuesExceptionTest() 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.listQueues(parent);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listQueuesTest2() throws Exception {
    Queue responsesElement = Queue.newBuilder().build();
    ListQueuesResponse expectedResponse =
        ListQueuesResponse.newBuilder()
            .setNextPageToken("")
            .addAllQueues(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

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

    ListQueuesPagedResponse pagedListResponse = client.listQueues(parent);

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

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getQueuesList().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 listQueuesExceptionTest2() 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.listQueues(parent);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void getQueueTest() throws Exception {
    Queue expectedResponse =
        Queue.newBuilder()
            .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
            .setRateLimits(RateLimits.newBuilder().build())
            .setRetryConfig(RetryConfig.newBuilder().build())
            .setPurgeTime(Timestamp.newBuilder().build())
            .setTaskTtl(Duration.newBuilder().build())
            .setTombstoneTtl(Duration.newBuilder().build())
            .setStats(QueueStats.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

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

    Queue actualResponse = client.getQueue(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 getQueueExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

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

  @Test
  public void getQueueTest2() throws Exception {
    Queue expectedResponse =
        Queue.newBuilder()
            .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
            .setRateLimits(RateLimits.newBuilder().build())
            .setRetryConfig(RetryConfig.newBuilder().build())
            .setPurgeTime(Timestamp.newBuilder().build())
            .setTaskTtl(Duration.newBuilder().build())
            .setTombstoneTtl(Duration.newBuilder().build())
            .setStats(QueueStats.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3918/locations/location-3918/queues/queue-3918";

    Queue actualResponse = client.getQueue(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 getQueueExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-3918/locations/location-3918/queues/queue-3918";
      client.getQueue(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void createQueueTest() throws Exception {
    Queue expectedResponse =
        Queue.newBuilder()
            .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
            .setRateLimits(RateLimits.newBuilder().build())
            .setRetryConfig(RetryConfig.newBuilder().build())
            .setPurgeTime(Timestamp.newBuilder().build())
            .setTaskTtl(Duration.newBuilder().build())
            .setTombstoneTtl(Duration.newBuilder().build())
            .setStats(QueueStats.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
    Queue queue = Queue.newBuilder().build();

    Queue actualResponse = client.createQueue(parent, queue);
    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 createQueueExceptionTest() 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]");
      Queue queue = Queue.newBuilder().build();
      client.createQueue(parent, queue);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void createQueueTest2() throws Exception {
    Queue expectedResponse =
        Queue.newBuilder()
            .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
            .setRateLimits(RateLimits.newBuilder().build())
            .setRetryConfig(RetryConfig.newBuilder().build())
            .setPurgeTime(Timestamp.newBuilder().build())
            .setTaskTtl(Duration.newBuilder().build())
            .setTombstoneTtl(Duration.newBuilder().build())
            .setStats(QueueStats.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    String parent = "projects/project-5833/locations/location-5833";
    Queue queue = Queue.newBuilder().build();

    Queue actualResponse = client.createQueue(parent, queue);
    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 createQueueExceptionTest2() 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";
      Queue queue = Queue.newBuilder().build();
      client.createQueue(parent, queue);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void updateQueueTest() throws Exception {
    Queue expectedResponse =
        Queue.newBuilder()
            .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
            .setRateLimits(RateLimits.newBuilder().build())
            .setRetryConfig(RetryConfig.newBuilder().build())
            .setPurgeTime(Timestamp.newBuilder().build())
            .setTaskTtl(Duration.newBuilder().build())
            .setTombstoneTtl(Duration.newBuilder().build())
            .setStats(QueueStats.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    Queue queue =
        Queue.newBuilder()
            .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
            .setRateLimits(RateLimits.newBuilder().build())
            .setRetryConfig(RetryConfig.newBuilder().build())
            .setPurgeTime(Timestamp.newBuilder().build())
            .setTaskTtl(Duration.newBuilder().build())
            .setTombstoneTtl(Duration.newBuilder().build())
            .setStats(QueueStats.newBuilder().build())
            .build();
    FieldMask updateMask = FieldMask.newBuilder().build();

    Queue actualResponse = client.updateQueue(queue, 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 updateQueueExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      Queue queue =
          Queue.newBuilder()
              .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
              .setRateLimits(RateLimits.newBuilder().build())
              .setRetryConfig(RetryConfig.newBuilder().build())
              .setPurgeTime(Timestamp.newBuilder().build())
              .setTaskTtl(Duration.newBuilder().build())
              .setTombstoneTtl(Duration.newBuilder().build())
              .setStats(QueueStats.newBuilder().build())
              .build();
      FieldMask updateMask = FieldMask.newBuilder().build();
      client.updateQueue(queue, updateMask);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void deleteQueueTest() throws Exception {
    Empty expectedResponse = Empty.newBuilder().build();
    mockService.addResponse(expectedResponse);

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

    client.deleteQueue(name);

    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 deleteQueueExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

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

  @Test
  public void deleteQueueTest2() throws Exception {
    Empty expectedResponse = Empty.newBuilder().build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3918/locations/location-3918/queues/queue-3918";

    client.deleteQueue(name);

    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 deleteQueueExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-3918/locations/location-3918/queues/queue-3918";
      client.deleteQueue(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void purgeQueueTest() throws Exception {
    Queue expectedResponse =
        Queue.newBuilder()
            .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
            .setRateLimits(RateLimits.newBuilder().build())
            .setRetryConfig(RetryConfig.newBuilder().build())
            .setPurgeTime(Timestamp.newBuilder().build())
            .setTaskTtl(Duration.newBuilder().build())
            .setTombstoneTtl(Duration.newBuilder().build())
            .setStats(QueueStats.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

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

    Queue actualResponse = client.purgeQueue(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 purgeQueueExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

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

  @Test
  public void purgeQueueTest2() throws Exception {
    Queue expectedResponse =
        Queue.newBuilder()
            .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
            .setRateLimits(RateLimits.newBuilder().build())
            .setRetryConfig(RetryConfig.newBuilder().build())
            .setPurgeTime(Timestamp.newBuilder().build())
            .setTaskTtl(Duration.newBuilder().build())
            .setTombstoneTtl(Duration.newBuilder().build())
            .setStats(QueueStats.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3918/locations/location-3918/queues/queue-3918";

    Queue actualResponse = client.purgeQueue(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 purgeQueueExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-3918/locations/location-3918/queues/queue-3918";
      client.purgeQueue(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void pauseQueueTest() throws Exception {
    Queue expectedResponse =
        Queue.newBuilder()
            .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
            .setRateLimits(RateLimits.newBuilder().build())
            .setRetryConfig(RetryConfig.newBuilder().build())
            .setPurgeTime(Timestamp.newBuilder().build())
            .setTaskTtl(Duration.newBuilder().build())
            .setTombstoneTtl(Duration.newBuilder().build())
            .setStats(QueueStats.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

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

    Queue actualResponse = client.pauseQueue(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 pauseQueueExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

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

  @Test
  public void pauseQueueTest2() throws Exception {
    Queue expectedResponse =
        Queue.newBuilder()
            .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
            .setRateLimits(RateLimits.newBuilder().build())
            .setRetryConfig(RetryConfig.newBuilder().build())
            .setPurgeTime(Timestamp.newBuilder().build())
            .setTaskTtl(Duration.newBuilder().build())
            .setTombstoneTtl(Duration.newBuilder().build())
            .setStats(QueueStats.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3918/locations/location-3918/queues/queue-3918";

    Queue actualResponse = client.pauseQueue(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 pauseQueueExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-3918/locations/location-3918/queues/queue-3918";
      client.pauseQueue(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void resumeQueueTest() throws Exception {
    Queue expectedResponse =
        Queue.newBuilder()
            .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
            .setRateLimits(RateLimits.newBuilder().build())
            .setRetryConfig(RetryConfig.newBuilder().build())
            .setPurgeTime(Timestamp.newBuilder().build())
            .setTaskTtl(Duration.newBuilder().build())
            .setTombstoneTtl(Duration.newBuilder().build())
            .setStats(QueueStats.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

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

    Queue actualResponse = client.resumeQueue(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 resumeQueueExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

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

  @Test
  public void resumeQueueTest2() throws Exception {
    Queue expectedResponse =
        Queue.newBuilder()
            .setName(QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]").toString())
            .setRateLimits(RateLimits.newBuilder().build())
            .setRetryConfig(RetryConfig.newBuilder().build())
            .setPurgeTime(Timestamp.newBuilder().build())
            .setTaskTtl(Duration.newBuilder().build())
            .setTombstoneTtl(Duration.newBuilder().build())
            .setStats(QueueStats.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3918/locations/location-3918/queues/queue-3918";

    Queue actualResponse = client.resumeQueue(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 resumeQueueExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-3918/locations/location-3918/queues/queue-3918";
      client.resumeQueue(name);
      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);

    ResourceName resource = QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]");

    Policy actualResponse = client.getIamPolicy(resource);
    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 {
      ResourceName resource = QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]");
      client.getIamPolicy(resource);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void getIamPolicyTest2() throws Exception {
    Policy expectedResponse =
        Policy.newBuilder()
            .setVersion(351608024)
            .addAllBindings(new ArrayList<Binding>())
            .addAllAuditConfigs(new ArrayList<AuditConfig>())
            .setEtag(ByteString.EMPTY)
            .build();
    mockService.addResponse(expectedResponse);

    String resource = "projects/project-1711/locations/location-1711/queues/queue-1711";

    Policy actualResponse = client.getIamPolicy(resource);
    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 getIamPolicyExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String resource = "projects/project-1711/locations/location-1711/queues/queue-1711";
      client.getIamPolicy(resource);
      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);

    ResourceName resource = QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]");
    Policy policy = Policy.newBuilder().build();

    Policy actualResponse = client.setIamPolicy(resource, policy);
    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 {
      ResourceName resource = QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]");
      Policy policy = Policy.newBuilder().build();
      client.setIamPolicy(resource, policy);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void setIamPolicyTest2() throws Exception {
    Policy expectedResponse =
        Policy.newBuilder()
            .setVersion(351608024)
            .addAllBindings(new ArrayList<Binding>())
            .addAllAuditConfigs(new ArrayList<AuditConfig>())
            .setEtag(ByteString.EMPTY)
            .build();
    mockService.addResponse(expectedResponse);

    String resource = "projects/project-1711/locations/location-1711/queues/queue-1711";
    Policy policy = Policy.newBuilder().build();

    Policy actualResponse = client.setIamPolicy(resource, policy);
    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 setIamPolicyExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String resource = "projects/project-1711/locations/location-1711/queues/queue-1711";
      Policy policy = Policy.newBuilder().build();
      client.setIamPolicy(resource, policy);
      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);

    ResourceName resource = QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]");
    List<String> permissions = new ArrayList<>();

    TestIamPermissionsResponse actualResponse = client.testIamPermissions(resource, permissions);
    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 {
      ResourceName resource = QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]");
      List<String> permissions = new ArrayList<>();
      client.testIamPermissions(resource, permissions);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void testIamPermissionsTest2() throws Exception {
    TestIamPermissionsResponse expectedResponse =
        TestIamPermissionsResponse.newBuilder().addAllPermissions(new ArrayList<String>()).build();
    mockService.addResponse(expectedResponse);

    String resource = "projects/project-1711/locations/location-1711/queues/queue-1711";
    List<String> permissions = new ArrayList<>();

    TestIamPermissionsResponse actualResponse = client.testIamPermissions(resource, permissions);
    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 testIamPermissionsExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String resource = "projects/project-1711/locations/location-1711/queues/queue-1711";
      List<String> permissions = new ArrayList<>();
      client.testIamPermissions(resource, permissions);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listTasksTest() throws Exception {
    Task responsesElement = Task.newBuilder().build();
    ListTasksResponse expectedResponse =
        ListTasksResponse.newBuilder()
            .setNextPageToken("")
            .addAllTasks(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

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

    ListTasksPagedResponse pagedListResponse = client.listTasks(parent);

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

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getTasksList().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 listTasksExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

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

  @Test
  public void listTasksTest2() throws Exception {
    Task responsesElement = Task.newBuilder().build();
    ListTasksResponse expectedResponse =
        ListTasksResponse.newBuilder()
            .setNextPageToken("")
            .addAllTasks(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    String parent = "projects/project-7117/locations/location-7117/queues/queue-7117";

    ListTasksPagedResponse pagedListResponse = client.listTasks(parent);

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

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getTasksList().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 listTasksExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String parent = "projects/project-7117/locations/location-7117/queues/queue-7117";
      client.listTasks(parent);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void getTaskTest() throws Exception {
    Task expectedResponse =
        Task.newBuilder()
            .setName(TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]").toString())
            .setScheduleTime(Timestamp.newBuilder().build())
            .setCreateTime(Timestamp.newBuilder().build())
            .setStatus(TaskStatus.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    TaskName name = TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]");

    Task actualResponse = client.getTask(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 getTaskExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

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

  @Test
  public void getTaskTest2() throws Exception {
    Task expectedResponse =
        Task.newBuilder()
            .setName(TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]").toString())
            .setScheduleTime(Timestamp.newBuilder().build())
            .setCreateTime(Timestamp.newBuilder().build())
            .setStatus(TaskStatus.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3612/locations/location-3612/queues/queue-3612/tasks/task-3612";

    Task actualResponse = client.getTask(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 getTaskExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name =
          "projects/project-3612/locations/location-3612/queues/queue-3612/tasks/task-3612";
      client.getTask(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void createTaskTest() throws Exception {
    Task expectedResponse =
        Task.newBuilder()
            .setName(TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]").toString())
            .setScheduleTime(Timestamp.newBuilder().build())
            .setCreateTime(Timestamp.newBuilder().build())
            .setStatus(TaskStatus.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    QueueName parent = QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]");
    Task task = Task.newBuilder().build();

    Task actualResponse = client.createTask(parent, task);
    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 createTaskExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      QueueName parent = QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]");
      Task task = Task.newBuilder().build();
      client.createTask(parent, task);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void createTaskTest2() throws Exception {
    Task expectedResponse =
        Task.newBuilder()
            .setName(TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]").toString())
            .setScheduleTime(Timestamp.newBuilder().build())
            .setCreateTime(Timestamp.newBuilder().build())
            .setStatus(TaskStatus.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    String parent = "projects/project-7117/locations/location-7117/queues/queue-7117";
    Task task = Task.newBuilder().build();

    Task actualResponse = client.createTask(parent, task);
    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 createTaskExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String parent = "projects/project-7117/locations/location-7117/queues/queue-7117";
      Task task = Task.newBuilder().build();
      client.createTask(parent, task);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void deleteTaskTest() throws Exception {
    Empty expectedResponse = Empty.newBuilder().build();
    mockService.addResponse(expectedResponse);

    TaskName name = TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]");

    client.deleteTask(name);

    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 deleteTaskExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

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

  @Test
  public void deleteTaskTest2() throws Exception {
    Empty expectedResponse = Empty.newBuilder().build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3612/locations/location-3612/queues/queue-3612/tasks/task-3612";

    client.deleteTask(name);

    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 deleteTaskExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name =
          "projects/project-3612/locations/location-3612/queues/queue-3612/tasks/task-3612";
      client.deleteTask(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void leaseTasksTest() throws Exception {
    LeaseTasksResponse expectedResponse =
        LeaseTasksResponse.newBuilder().addAllTasks(new ArrayList<Task>()).build();
    mockService.addResponse(expectedResponse);

    QueueName parent = QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]");
    Duration leaseDuration = Duration.newBuilder().build();

    LeaseTasksResponse actualResponse = client.leaseTasks(parent, leaseDuration);
    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 leaseTasksExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      QueueName parent = QueueName.of("[PROJECT]", "[LOCATION]", "[QUEUE]");
      Duration leaseDuration = Duration.newBuilder().build();
      client.leaseTasks(parent, leaseDuration);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void leaseTasksTest2() throws Exception {
    LeaseTasksResponse expectedResponse =
        LeaseTasksResponse.newBuilder().addAllTasks(new ArrayList<Task>()).build();
    mockService.addResponse(expectedResponse);

    String parent = "projects/project-7117/locations/location-7117/queues/queue-7117";
    Duration leaseDuration = Duration.newBuilder().build();

    LeaseTasksResponse actualResponse = client.leaseTasks(parent, leaseDuration);
    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 leaseTasksExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String parent = "projects/project-7117/locations/location-7117/queues/queue-7117";
      Duration leaseDuration = Duration.newBuilder().build();
      client.leaseTasks(parent, leaseDuration);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void acknowledgeTaskTest() throws Exception {
    Empty expectedResponse = Empty.newBuilder().build();
    mockService.addResponse(expectedResponse);

    TaskName name = TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]");
    Timestamp scheduleTime = Timestamp.newBuilder().build();

    client.acknowledgeTask(name, scheduleTime);

    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 acknowledgeTaskExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      TaskName name = TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]");
      Timestamp scheduleTime = Timestamp.newBuilder().build();
      client.acknowledgeTask(name, scheduleTime);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void acknowledgeTaskTest2() throws Exception {
    Empty expectedResponse = Empty.newBuilder().build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3612/locations/location-3612/queues/queue-3612/tasks/task-3612";
    Timestamp scheduleTime = Timestamp.newBuilder().build();

    client.acknowledgeTask(name, scheduleTime);

    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 acknowledgeTaskExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name =
          "projects/project-3612/locations/location-3612/queues/queue-3612/tasks/task-3612";
      Timestamp scheduleTime = Timestamp.newBuilder().build();
      client.acknowledgeTask(name, scheduleTime);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void renewLeaseTest() throws Exception {
    Task expectedResponse =
        Task.newBuilder()
            .setName(TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]").toString())
            .setScheduleTime(Timestamp.newBuilder().build())
            .setCreateTime(Timestamp.newBuilder().build())
            .setStatus(TaskStatus.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    TaskName name = TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]");
    Timestamp scheduleTime = Timestamp.newBuilder().build();
    Duration leaseDuration = Duration.newBuilder().build();

    Task actualResponse = client.renewLease(name, scheduleTime, leaseDuration);
    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 renewLeaseExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      TaskName name = TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]");
      Timestamp scheduleTime = Timestamp.newBuilder().build();
      Duration leaseDuration = Duration.newBuilder().build();
      client.renewLease(name, scheduleTime, leaseDuration);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void renewLeaseTest2() throws Exception {
    Task expectedResponse =
        Task.newBuilder()
            .setName(TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]").toString())
            .setScheduleTime(Timestamp.newBuilder().build())
            .setCreateTime(Timestamp.newBuilder().build())
            .setStatus(TaskStatus.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3612/locations/location-3612/queues/queue-3612/tasks/task-3612";
    Timestamp scheduleTime = Timestamp.newBuilder().build();
    Duration leaseDuration = Duration.newBuilder().build();

    Task actualResponse = client.renewLease(name, scheduleTime, leaseDuration);
    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 renewLeaseExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name =
          "projects/project-3612/locations/location-3612/queues/queue-3612/tasks/task-3612";
      Timestamp scheduleTime = Timestamp.newBuilder().build();
      Duration leaseDuration = Duration.newBuilder().build();
      client.renewLease(name, scheduleTime, leaseDuration);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void cancelLeaseTest() throws Exception {
    Task expectedResponse =
        Task.newBuilder()
            .setName(TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]").toString())
            .setScheduleTime(Timestamp.newBuilder().build())
            .setCreateTime(Timestamp.newBuilder().build())
            .setStatus(TaskStatus.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    TaskName name = TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]");
    Timestamp scheduleTime = Timestamp.newBuilder().build();

    Task actualResponse = client.cancelLease(name, scheduleTime);
    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 cancelLeaseExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      TaskName name = TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]");
      Timestamp scheduleTime = Timestamp.newBuilder().build();
      client.cancelLease(name, scheduleTime);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void cancelLeaseTest2() throws Exception {
    Task expectedResponse =
        Task.newBuilder()
            .setName(TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]").toString())
            .setScheduleTime(Timestamp.newBuilder().build())
            .setCreateTime(Timestamp.newBuilder().build())
            .setStatus(TaskStatus.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3612/locations/location-3612/queues/queue-3612/tasks/task-3612";
    Timestamp scheduleTime = Timestamp.newBuilder().build();

    Task actualResponse = client.cancelLease(name, scheduleTime);
    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 cancelLeaseExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name =
          "projects/project-3612/locations/location-3612/queues/queue-3612/tasks/task-3612";
      Timestamp scheduleTime = Timestamp.newBuilder().build();
      client.cancelLease(name, scheduleTime);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void runTaskTest() throws Exception {
    Task expectedResponse =
        Task.newBuilder()
            .setName(TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]").toString())
            .setScheduleTime(Timestamp.newBuilder().build())
            .setCreateTime(Timestamp.newBuilder().build())
            .setStatus(TaskStatus.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    TaskName name = TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]");

    Task actualResponse = client.runTask(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 runTaskExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

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

  @Test
  public void runTaskTest2() throws Exception {
    Task expectedResponse =
        Task.newBuilder()
            .setName(TaskName.of("[PROJECT]", "[LOCATION]", "[QUEUE]", "[TASK]").toString())
            .setScheduleTime(Timestamp.newBuilder().build())
            .setCreateTime(Timestamp.newBuilder().build())
            .setStatus(TaskStatus.newBuilder().build())
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-3612/locations/location-3612/queues/queue-3612/tasks/task-3612";

    Task actualResponse = client.runTask(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 runTaskExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name =
          "projects/project-3612/locations/location-3612/queues/queue-3612/tasks/task-3612";
      client.runTask(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }
}