/*
 * 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.compute.v1;

import static com.google.cloud.compute.v1.RegionInstanceGroupManagersClient.ListErrorsPagedResponse;
import static com.google.cloud.compute.v1.RegionInstanceGroupManagersClient.ListManagedInstancesPagedResponse;
import static com.google.cloud.compute.v1.RegionInstanceGroupManagersClient.ListPagedResponse;
import static com.google.cloud.compute.v1.RegionInstanceGroupManagersClient.ListPerInstanceConfigsPagedResponse;

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.compute.v1.Operation.Status;
import com.google.cloud.compute.v1.stub.HttpJsonRegionInstanceGroupManagersStub;
import com.google.common.collect.Lists;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
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 RegionInstanceGroupManagersClientTest {
  private static MockHttpService mockService;
  private static RegionInstanceGroupManagersClient client;

  @BeforeClass
  public static void startStaticServer() throws IOException {
    mockService =
        new MockHttpService(
            HttpJsonRegionInstanceGroupManagersStub.getMethodDescriptors(),
            RegionInstanceGroupManagersSettings.getDefaultEndpoint());
    RegionInstanceGroupManagersSettings settings =
        RegionInstanceGroupManagersSettings.newBuilder()
            .setTransportChannelProvider(
                RegionInstanceGroupManagersSettings.defaultHttpJsonTransportProviderBuilder()
                    .setHttpTransport(mockService)
                    .build())
            .setCredentialsProvider(NoCredentialsProvider.create())
            .build();
    client = RegionInstanceGroupManagersClient.create(settings);
  }

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

  @Before
  public void setUp() {}

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

  @Test
  public void abandonInstancesTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";
    RegionInstanceGroupManagersAbandonInstancesRequest
        regionInstanceGroupManagersAbandonInstancesRequestResource =
            RegionInstanceGroupManagersAbandonInstancesRequest.newBuilder().build();

    Operation actualResponse =
        client
            .abandonInstancesAsync(
                project,
                region,
                instanceGroupManager,
                regionInstanceGroupManagersAbandonInstancesRequestResource)
            .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 abandonInstancesExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      RegionInstanceGroupManagersAbandonInstancesRequest
          regionInstanceGroupManagersAbandonInstancesRequestResource =
              RegionInstanceGroupManagersAbandonInstancesRequest.newBuilder().build();
      client
          .abandonInstancesAsync(
              project,
              region,
              instanceGroupManager,
              regionInstanceGroupManagersAbandonInstancesRequestResource)
          .get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void applyUpdatesToInstancesTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";
    RegionInstanceGroupManagersApplyUpdatesRequest
        regionInstanceGroupManagersApplyUpdatesRequestResource =
            RegionInstanceGroupManagersApplyUpdatesRequest.newBuilder().build();

    Operation actualResponse =
        client
            .applyUpdatesToInstancesAsync(
                project,
                region,
                instanceGroupManager,
                regionInstanceGroupManagersApplyUpdatesRequestResource)
            .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 applyUpdatesToInstancesExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      RegionInstanceGroupManagersApplyUpdatesRequest
          regionInstanceGroupManagersApplyUpdatesRequestResource =
              RegionInstanceGroupManagersApplyUpdatesRequest.newBuilder().build();
      client
          .applyUpdatesToInstancesAsync(
              project,
              region,
              instanceGroupManager,
              regionInstanceGroupManagersApplyUpdatesRequestResource)
          .get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void createInstancesTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";
    RegionInstanceGroupManagersCreateInstancesRequest
        regionInstanceGroupManagersCreateInstancesRequestResource =
            RegionInstanceGroupManagersCreateInstancesRequest.newBuilder().build();

    Operation actualResponse =
        client
            .createInstancesAsync(
                project,
                region,
                instanceGroupManager,
                regionInstanceGroupManagersCreateInstancesRequestResource)
            .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 createInstancesExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      RegionInstanceGroupManagersCreateInstancesRequest
          regionInstanceGroupManagersCreateInstancesRequestResource =
              RegionInstanceGroupManagersCreateInstancesRequest.newBuilder().build();
      client
          .createInstancesAsync(
              project,
              region,
              instanceGroupManager,
              regionInstanceGroupManagersCreateInstancesRequestResource)
          .get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void deleteTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";

    Operation actualResponse = client.deleteAsync(project, region, instanceGroupManager).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 deleteExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      client.deleteAsync(project, region, instanceGroupManager).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void deleteInstancesTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";
    RegionInstanceGroupManagersDeleteInstancesRequest
        regionInstanceGroupManagersDeleteInstancesRequestResource =
            RegionInstanceGroupManagersDeleteInstancesRequest.newBuilder().build();

    Operation actualResponse =
        client
            .deleteInstancesAsync(
                project,
                region,
                instanceGroupManager,
                regionInstanceGroupManagersDeleteInstancesRequestResource)
            .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 deleteInstancesExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      RegionInstanceGroupManagersDeleteInstancesRequest
          regionInstanceGroupManagersDeleteInstancesRequestResource =
              RegionInstanceGroupManagersDeleteInstancesRequest.newBuilder().build();
      client
          .deleteInstancesAsync(
              project,
              region,
              instanceGroupManager,
              regionInstanceGroupManagersDeleteInstancesRequestResource)
          .get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void deletePerInstanceConfigsTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";
    RegionInstanceGroupManagerDeleteInstanceConfigReq
        regionInstanceGroupManagerDeleteInstanceConfigReqResource =
            RegionInstanceGroupManagerDeleteInstanceConfigReq.newBuilder().build();

    Operation actualResponse =
        client
            .deletePerInstanceConfigsAsync(
                project,
                region,
                instanceGroupManager,
                regionInstanceGroupManagerDeleteInstanceConfigReqResource)
            .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 deletePerInstanceConfigsExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      RegionInstanceGroupManagerDeleteInstanceConfigReq
          regionInstanceGroupManagerDeleteInstanceConfigReqResource =
              RegionInstanceGroupManagerDeleteInstanceConfigReq.newBuilder().build();
      client
          .deletePerInstanceConfigsAsync(
              project,
              region,
              instanceGroupManager,
              regionInstanceGroupManagerDeleteInstanceConfigReqResource)
          .get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void getTest() throws Exception {
    InstanceGroupManager expectedResponse =
        InstanceGroupManager.newBuilder()
            .addAllAutoHealingPolicies(new ArrayList<InstanceGroupManagerAutoHealingPolicy>())
            .setBaseInstanceName("baseInstanceName-736241103")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setCurrentActions(InstanceGroupManagerActionsSummary.newBuilder().build())
            .setDescription("description-1724546052")
            .setDistributionPolicy(DistributionPolicy.newBuilder().build())
            .setFingerprint("fingerprint-1375934236")
            .setId(3355)
            .setInstanceGroup("instanceGroup-1404696854")
            .setInstanceTemplate("instanceTemplate1009541167")
            .setKind("kind3292052")
            .setListManagedInstancesResults("listManagedInstancesResults1836889817")
            .setName("name3373707")
            .addAllNamedPorts(new ArrayList<NamedPort>())
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStatefulPolicy(StatefulPolicy.newBuilder().build())
            .setStatus(InstanceGroupManagerStatus.newBuilder().build())
            .addAllTargetPools(new ArrayList<String>())
            .setTargetSize(-2084603409)
            .setUpdatePolicy(InstanceGroupManagerUpdatePolicy.newBuilder().build())
            .addAllVersions(new ArrayList<InstanceGroupManagerVersion>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";

    InstanceGroupManager actualResponse = client.get(project, region, instanceGroupManager);
    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 getExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      client.get(project, region, instanceGroupManager);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void insertTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    InstanceGroupManager instanceGroupManagerResource = InstanceGroupManager.newBuilder().build();

    Operation actualResponse =
        client.insertAsync(project, region, instanceGroupManagerResource).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 insertExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      InstanceGroupManager instanceGroupManagerResource = InstanceGroupManager.newBuilder().build();
      client.insertAsync(project, region, instanceGroupManagerResource).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void listTest() throws Exception {
    InstanceGroupManager responsesElement = InstanceGroupManager.newBuilder().build();
    RegionInstanceGroupManagerList expectedResponse =
        RegionInstanceGroupManagerList.newBuilder()
            .setNextPageToken("")
            .addAllItems(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";

    ListPagedResponse pagedListResponse = client.list(project, region);

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

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

    try {
      String project = "project-6911";
      String region = "region-9622";
      client.list(project, region);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listErrorsTest() throws Exception {
    InstanceManagedByIgmError responsesElement = InstanceManagedByIgmError.newBuilder().build();
    RegionInstanceGroupManagersListErrorsResponse expectedResponse =
        RegionInstanceGroupManagersListErrorsResponse.newBuilder()
            .setNextPageToken("")
            .addAllItems(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";

    ListErrorsPagedResponse pagedListResponse =
        client.listErrors(project, region, instanceGroupManager);

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

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

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      client.listErrors(project, region, instanceGroupManager);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listManagedInstancesTest() throws Exception {
    ManagedInstance responsesElement = ManagedInstance.newBuilder().build();
    RegionInstanceGroupManagersListInstancesResponse expectedResponse =
        RegionInstanceGroupManagersListInstancesResponse.newBuilder()
            .setNextPageToken("")
            .addAllManagedInstances(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";

    ListManagedInstancesPagedResponse pagedListResponse =
        client.listManagedInstances(project, region, instanceGroupManager);

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

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

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      client.listManagedInstances(project, region, instanceGroupManager);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listPerInstanceConfigsTest() throws Exception {
    PerInstanceConfig responsesElement = PerInstanceConfig.newBuilder().build();
    RegionInstanceGroupManagersListInstanceConfigsResp expectedResponse =
        RegionInstanceGroupManagersListInstanceConfigsResp.newBuilder()
            .setNextPageToken("")
            .addAllItems(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";

    ListPerInstanceConfigsPagedResponse pagedListResponse =
        client.listPerInstanceConfigs(project, region, instanceGroupManager);

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

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

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      client.listPerInstanceConfigs(project, region, instanceGroupManager);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void patchTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";
    InstanceGroupManager instanceGroupManagerResource = InstanceGroupManager.newBuilder().build();

    Operation actualResponse =
        client
            .patchAsync(project, region, instanceGroupManager, instanceGroupManagerResource)
            .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 patchExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      InstanceGroupManager instanceGroupManagerResource = InstanceGroupManager.newBuilder().build();
      client.patchAsync(project, region, instanceGroupManager, instanceGroupManagerResource).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void patchPerInstanceConfigsTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";
    RegionInstanceGroupManagerPatchInstanceConfigReq
        regionInstanceGroupManagerPatchInstanceConfigReqResource =
            RegionInstanceGroupManagerPatchInstanceConfigReq.newBuilder().build();

    Operation actualResponse =
        client
            .patchPerInstanceConfigsAsync(
                project,
                region,
                instanceGroupManager,
                regionInstanceGroupManagerPatchInstanceConfigReqResource)
            .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 patchPerInstanceConfigsExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      RegionInstanceGroupManagerPatchInstanceConfigReq
          regionInstanceGroupManagerPatchInstanceConfigReqResource =
              RegionInstanceGroupManagerPatchInstanceConfigReq.newBuilder().build();
      client
          .patchPerInstanceConfigsAsync(
              project,
              region,
              instanceGroupManager,
              regionInstanceGroupManagerPatchInstanceConfigReqResource)
          .get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void recreateInstancesTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";
    RegionInstanceGroupManagersRecreateRequest regionInstanceGroupManagersRecreateRequestResource =
        RegionInstanceGroupManagersRecreateRequest.newBuilder().build();

    Operation actualResponse =
        client
            .recreateInstancesAsync(
                project,
                region,
                instanceGroupManager,
                regionInstanceGroupManagersRecreateRequestResource)
            .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 recreateInstancesExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      RegionInstanceGroupManagersRecreateRequest
          regionInstanceGroupManagersRecreateRequestResource =
              RegionInstanceGroupManagersRecreateRequest.newBuilder().build();
      client
          .recreateInstancesAsync(
              project,
              region,
              instanceGroupManager,
              regionInstanceGroupManagersRecreateRequestResource)
          .get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void resizeTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";
    int size = 3530753;

    Operation actualResponse =
        client.resizeAsync(project, region, instanceGroupManager, size).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 resizeExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      int size = 3530753;
      client.resizeAsync(project, region, instanceGroupManager, size).get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void setInstanceTemplateTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";
    RegionInstanceGroupManagersSetTemplateRequest
        regionInstanceGroupManagersSetTemplateRequestResource =
            RegionInstanceGroupManagersSetTemplateRequest.newBuilder().build();

    Operation actualResponse =
        client
            .setInstanceTemplateAsync(
                project,
                region,
                instanceGroupManager,
                regionInstanceGroupManagersSetTemplateRequestResource)
            .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 setInstanceTemplateExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      RegionInstanceGroupManagersSetTemplateRequest
          regionInstanceGroupManagersSetTemplateRequestResource =
              RegionInstanceGroupManagersSetTemplateRequest.newBuilder().build();
      client
          .setInstanceTemplateAsync(
              project,
              region,
              instanceGroupManager,
              regionInstanceGroupManagersSetTemplateRequestResource)
          .get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void setTargetPoolsTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";
    RegionInstanceGroupManagersSetTargetPoolsRequest
        regionInstanceGroupManagersSetTargetPoolsRequestResource =
            RegionInstanceGroupManagersSetTargetPoolsRequest.newBuilder().build();

    Operation actualResponse =
        client
            .setTargetPoolsAsync(
                project,
                region,
                instanceGroupManager,
                regionInstanceGroupManagersSetTargetPoolsRequestResource)
            .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 setTargetPoolsExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      RegionInstanceGroupManagersSetTargetPoolsRequest
          regionInstanceGroupManagersSetTargetPoolsRequestResource =
              RegionInstanceGroupManagersSetTargetPoolsRequest.newBuilder().build();
      client
          .setTargetPoolsAsync(
              project,
              region,
              instanceGroupManager,
              regionInstanceGroupManagersSetTargetPoolsRequestResource)
          .get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }

  @Test
  public void updatePerInstanceConfigsTest() throws Exception {
    Operation expectedResponse =
        Operation.newBuilder()
            .setClientOperationId("clientOperationId-1230366697")
            .setCreationTimestamp("creationTimestamp-370203401")
            .setDescription("description-1724546052")
            .setEndTime("endTime-1607243192")
            .setError(Error.newBuilder().build())
            .setHttpErrorMessage("httpErrorMessage1577303431")
            .setHttpErrorStatusCode(0)
            .setId(3355)
            .setInsertTime("insertTime966165798")
            .setKind("kind3292052")
            .setName("name3373707")
            .setOperationGroupId("operationGroupId1716161683")
            .setOperationType("operationType91999553")
            .setProgress(-1001078227)
            .setRegion("region-934795532")
            .setSelfLink("selfLink1191800166")
            .setStartTime("startTime-2129294769")
            .setStatus(Status.DONE)
            .setStatusMessage("statusMessage-958704715")
            .setTargetId(-815576439)
            .setTargetLink("targetLink486368555")
            .setUser("user3599307")
            .addAllWarnings(new ArrayList<Warnings>())
            .setZone("zone3744684")
            .build();
    mockService.addResponse(expectedResponse);

    String project = "project-6911";
    String region = "region-9622";
    String instanceGroupManager = "instanceGroupManager-7543";
    RegionInstanceGroupManagerUpdateInstanceConfigReq
        regionInstanceGroupManagerUpdateInstanceConfigReqResource =
            RegionInstanceGroupManagerUpdateInstanceConfigReq.newBuilder().build();

    Operation actualResponse =
        client
            .updatePerInstanceConfigsAsync(
                project,
                region,
                instanceGroupManager,
                regionInstanceGroupManagerUpdateInstanceConfigReqResource)
            .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 updatePerInstanceConfigsExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String project = "project-6911";
      String region = "region-9622";
      String instanceGroupManager = "instanceGroupManager-7543";
      RegionInstanceGroupManagerUpdateInstanceConfigReq
          regionInstanceGroupManagerUpdateInstanceConfigReqResource =
              RegionInstanceGroupManagerUpdateInstanceConfigReq.newBuilder().build();
      client
          .updatePerInstanceConfigsAsync(
              project,
              region,
              instanceGroupManager,
              regionInstanceGroupManagerUpdateInstanceConfigReqResource)
          .get();
      Assert.fail("No exception raised");
    } catch (ExecutionException e) {
    }
  }
}