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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
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   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
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  package org.apache.camel.component.google.functions.unit;
  
  import java.util.Arrays;
  import java.util.UUID;
  
  import com.google.api.gax.core.NoCredentialsProvider;
  import com.google.api.gax.grpc.testing.LocalChannelProvider;
  import com.google.api.gax.grpc.testing.MockGrpcService;
  import com.google.api.gax.grpc.testing.MockServiceHelper;
  import com.google.cloud.functions.v1.CloudFunctionsServiceClient;
  import com.google.cloud.functions.v1.CloudFunctionsServiceSettings;
  import org.apache.camel.CamelContext;
  import org.apache.camel.component.google.functions.GoogleCloudFunctionsComponent;
  import org.apache.camel.component.google.functions.mock.MockCloudFunctionsService;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.junit.jupiter.api.AfterAll;
  import org.junit.jupiter.api.BeforeEach;
  
  public abstract class GoogleCloudFunctionsBaseTest extends CamelTestSupport {
  
      protected static MockServiceHelper mockServiceHelper;
      protected static MockCloudFunctionsService mockCloudFunctionsService;
      protected LocalChannelProvider channelProvider;
      protected CloudFunctionsServiceClient clientMock;
  
      @Override
      protected CamelContext createCamelContext() throws Exception {
          CamelContext context = super.createCamelContext();
          GoogleCloudFunctionsComponent component = context.getComponent("google-functions", GoogleCloudFunctionsComponent.class);
  
          //init mock
          mockCloudFunctionsService = new MockCloudFunctionsService();
          mockServiceHelper = new MockServiceHelper(
                  UUID.randomUUID().toString(),
                  Arrays.<MockGrpcService> asList(mockCloudFunctionsService));
          mockServiceHelper.start();
          channelProvider = mockServiceHelper.createChannelProvider();
          CloudFunctionsServiceSettings settings = CloudFunctionsServiceSettings.newBuilder()
                  .setTransportChannelProvider(channelProvider).setCredentialsProvider(NoCredentialsProvider.create())
                  .build();
          clientMock = CloudFunctionsServiceClient.create(settings);
  
          component.getConfiguration().setClient(clientMock);
          return context;
      }
  
      @BeforeEach
      public void restMock() {
          mockServiceHelper.reset();
      }
  
      @AfterAll
      public static void releaseResources() {
          mockServiceHelper.stop();
      }
  }
  