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   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * 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 org.apache.beam.it.gcp.bigtable;
  
  import static com.google.common.truth.Truth.assertThat;
  
  import com.google.api.gax.core.CredentialsProvider;
  import com.google.cloud.bigtable.admin.v2.BigtableInstanceAdminClient;
  import com.google.cloud.bigtable.admin.v2.BigtableInstanceAdminSettings;
  import com.google.cloud.bigtable.admin.v2.BigtableTableAdminClient;
  import com.google.cloud.bigtable.admin.v2.BigtableTableAdminSettings;
  import com.google.cloud.bigtable.data.v2.BigtableDataClient;
  import com.google.cloud.bigtable.data.v2.BigtableDataSettings;
  import java.io.IOException;
  import org.junit.Before;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  import org.mockito.Mock;
  import org.mockito.junit.MockitoJUnit;
  import org.mockito.junit.MockitoRule;
  
  /** Unit tests for {@link BigtableResourceManagerClientFactory}. */
  @RunWith(JUnit4.class)
  public class BigtableResourceManagerClientFactoryTest {
    @Rule public final MockitoRule mockito = MockitoJUnit.rule();
  
    @Mock private CredentialsProvider credentialsProvider;
  
    private static final String INSTANCE_ID = "table-id";
    private static final String PROJECT_ID = "test-project";
    private BigtableResourceManagerClientFactory client;
  
    @Before
    public void setup() throws IOException {
      BigtableInstanceAdminSettings bigtableInstanceAdminSettings =
          BigtableInstanceAdminSettings.newBuilder()
              .setProjectId(PROJECT_ID)
              .setCredentialsProvider(credentialsProvider)
              .build();
      BigtableTableAdminSettings bigtableTableAdminSettings =
          BigtableTableAdminSettings.newBuilder()
              .setProjectId(PROJECT_ID)
              .setInstanceId(INSTANCE_ID)
              .setCredentialsProvider(credentialsProvider)
              .build();
      BigtableDataSettings bigtableDataSettings =
          BigtableDataSettings.newBuilder()
              .setProjectId(PROJECT_ID)
              .setInstanceId(INSTANCE_ID)
              .setCredentialsProvider(credentialsProvider)
              .build();
  
      client =
          new BigtableResourceManagerClientFactory(
              bigtableInstanceAdminSettings, bigtableTableAdminSettings, bigtableDataSettings);
    }
  
    @Test
    public void testClientFactoryGettersReturnCorrectClasses() {
      try (BigtableInstanceAdminClient instanceAdminClient = client.bigtableInstanceAdminClient()) {
        assertThat(instanceAdminClient).isInstanceOf(BigtableInstanceAdminClient.class);
      }
      try (BigtableTableAdminClient tableAdminClient = client.bigtableTableAdminClient()) {
        assertThat(tableAdminClient).isInstanceOf(BigtableTableAdminClient.class);
      }
      try (BigtableDataClient dataClient = client.bigtableDataClient()) {
        assertThat(dataClient).isInstanceOf(BigtableDataClient.class);
      }
    }
  
    @Test
    public void testClientFactoryGettersReturnClientsWithCorrectIds() {
      try (BigtableInstanceAdminClient instanceAdminClient = client.bigtableInstanceAdminClient()) {
        assertThat(instanceAdminClient.getProjectId()).isEqualTo(PROJECT_ID);
      }
      try (BigtableTableAdminClient tableAdminClient = client.bigtableTableAdminClient()) {
        assertThat(tableAdminClient.getProjectId()).isEqualTo(PROJECT_ID);
      }
    }
  }
  