/*
 * 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.bigquery.datapolicies.v1;

import static com.google.cloud.bigquery.datapolicies.v1.DataPolicyServiceClient.ListDataPoliciesPagedResponse;

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.bigquery.datapolicies.v1.stub.HttpJsonDataPolicyServiceStub;
import com.google.common.collect.Lists;
import com.google.iam.v1.AuditConfig;
import com.google.iam.v1.Binding;
import com.google.iam.v1.GetIamPolicyRequest;
import com.google.iam.v1.GetPolicyOptions;
import com.google.iam.v1.Policy;
import com.google.iam.v1.SetIamPolicyRequest;
import com.google.iam.v1.TestIamPermissionsRequest;
import com.google.iam.v1.TestIamPermissionsResponse;
import com.google.protobuf.ByteString;
import com.google.protobuf.Empty;
import com.google.protobuf.FieldMask;
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 DataPolicyServiceClientHttpJsonTest {
  private static MockHttpService mockService;
  private static DataPolicyServiceClient client;

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

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

  @Before
  public void setUp() {}

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

  @Test
  public void createDataPolicyTest() throws Exception {
    DataPolicy expectedResponse =
        DataPolicy.newBuilder()
            .setName(DataPolicyName.of("[PROJECT]", "[LOCATION]", "[DATA_POLICY]").toString())
            .setDataPolicyId("dataPolicyId1874146231")
            .build();
    mockService.addResponse(expectedResponse);

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

    DataPolicy actualResponse = client.createDataPolicy(parent, dataPolicy);
    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 createDataPolicyExceptionTest() 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]");
      DataPolicy dataPolicy = DataPolicy.newBuilder().build();
      client.createDataPolicy(parent, dataPolicy);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void createDataPolicyTest2() throws Exception {
    DataPolicy expectedResponse =
        DataPolicy.newBuilder()
            .setName(DataPolicyName.of("[PROJECT]", "[LOCATION]", "[DATA_POLICY]").toString())
            .setDataPolicyId("dataPolicyId1874146231")
            .build();
    mockService.addResponse(expectedResponse);

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

    DataPolicy actualResponse = client.createDataPolicy(parent, dataPolicy);
    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 createDataPolicyExceptionTest2() 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";
      DataPolicy dataPolicy = DataPolicy.newBuilder().build();
      client.createDataPolicy(parent, dataPolicy);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void updateDataPolicyTest() throws Exception {
    DataPolicy expectedResponse =
        DataPolicy.newBuilder()
            .setName(DataPolicyName.of("[PROJECT]", "[LOCATION]", "[DATA_POLICY]").toString())
            .setDataPolicyId("dataPolicyId1874146231")
            .build();
    mockService.addResponse(expectedResponse);

    DataPolicy dataPolicy =
        DataPolicy.newBuilder()
            .setName(DataPolicyName.of("[PROJECT]", "[LOCATION]", "[DATA_POLICY]").toString())
            .setDataPolicyId("dataPolicyId1874146231")
            .build();
    FieldMask updateMask = FieldMask.newBuilder().build();

    DataPolicy actualResponse = client.updateDataPolicy(dataPolicy, 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 updateDataPolicyExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      DataPolicy dataPolicy =
          DataPolicy.newBuilder()
              .setName(DataPolicyName.of("[PROJECT]", "[LOCATION]", "[DATA_POLICY]").toString())
              .setDataPolicyId("dataPolicyId1874146231")
              .build();
      FieldMask updateMask = FieldMask.newBuilder().build();
      client.updateDataPolicy(dataPolicy, updateMask);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void renameDataPolicyTest() throws Exception {
    DataPolicy expectedResponse =
        DataPolicy.newBuilder()
            .setName(DataPolicyName.of("[PROJECT]", "[LOCATION]", "[DATA_POLICY]").toString())
            .setDataPolicyId("dataPolicyId1874146231")
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-2886/locations/location-2886/dataPolicies/dataPolicie-2886";
    String newDataPolicyId = "newDataPolicyId288407927";

    DataPolicy actualResponse = client.renameDataPolicy(name, newDataPolicyId);
    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 renameDataPolicyExceptionTest() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-2886/locations/location-2886/dataPolicies/dataPolicie-2886";
      String newDataPolicyId = "newDataPolicyId288407927";
      client.renameDataPolicy(name, newDataPolicyId);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

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

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

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

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

  @Test
  public void deleteDataPolicyTest2() throws Exception {
    Empty expectedResponse = Empty.newBuilder().build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-2886/locations/location-2886/dataPolicies/dataPolicie-2886";

    client.deleteDataPolicy(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 deleteDataPolicyExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-2886/locations/location-2886/dataPolicies/dataPolicie-2886";
      client.deleteDataPolicy(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void getDataPolicyTest() throws Exception {
    DataPolicy expectedResponse =
        DataPolicy.newBuilder()
            .setName(DataPolicyName.of("[PROJECT]", "[LOCATION]", "[DATA_POLICY]").toString())
            .setDataPolicyId("dataPolicyId1874146231")
            .build();
    mockService.addResponse(expectedResponse);

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

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

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

  @Test
  public void getDataPolicyTest2() throws Exception {
    DataPolicy expectedResponse =
        DataPolicy.newBuilder()
            .setName(DataPolicyName.of("[PROJECT]", "[LOCATION]", "[DATA_POLICY]").toString())
            .setDataPolicyId("dataPolicyId1874146231")
            .build();
    mockService.addResponse(expectedResponse);

    String name = "projects/project-2886/locations/location-2886/dataPolicies/dataPolicie-2886";

    DataPolicy actualResponse = client.getDataPolicy(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 getDataPolicyExceptionTest2() throws Exception {
    ApiException exception =
        ApiExceptionFactory.createException(
            new Exception(), FakeStatusCode.of(StatusCode.Code.INVALID_ARGUMENT), false);
    mockService.addException(exception);

    try {
      String name = "projects/project-2886/locations/location-2886/dataPolicies/dataPolicie-2886";
      client.getDataPolicy(name);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

  @Test
  public void listDataPoliciesTest() throws Exception {
    DataPolicy responsesElement = DataPolicy.newBuilder().build();
    ListDataPoliciesResponse expectedResponse =
        ListDataPoliciesResponse.newBuilder()
            .setNextPageToken("")
            .addAllDataPolicies(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

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

    ListDataPoliciesPagedResponse pagedListResponse = client.listDataPolicies(parent);

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

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

  @Test
  public void listDataPoliciesTest2() throws Exception {
    DataPolicy responsesElement = DataPolicy.newBuilder().build();
    ListDataPoliciesResponse expectedResponse =
        ListDataPoliciesResponse.newBuilder()
            .setNextPageToken("")
            .addAllDataPolicies(Arrays.asList(responsesElement))
            .build();
    mockService.addResponse(expectedResponse);

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

    ListDataPoliciesPagedResponse pagedListResponse = client.listDataPolicies(parent);

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

    Assert.assertEquals(1, resources.size());
    Assert.assertEquals(expectedResponse.getDataPoliciesList().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 listDataPoliciesExceptionTest2() 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.listDataPolicies(parent);
      Assert.fail("No exception raised");
    } catch (InvalidArgumentException e) {
      // Expected exception.
    }
  }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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