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   * Licensed to the Apache Software Foundation (ASF) under one or more
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   * 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
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   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
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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.component.google.functions.GoogleCloudFunctionsComponent;
  import org.apache.camel.component.google.functions.GoogleCloudFunctionsEndpoint;
  import org.apache.camel.component.google.functions.GoogleCloudFunctionsOperations;
  import org.apache.camel.component.google.functions.mock.MockCloudFunctionsService;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertSame;
  
  public class GoogleCloudFunctionsConfigurationTest extends CamelTestSupport {
  
      @Test
      public void createEndpointConfiguration() throws Exception {
          final String functionName = "function1";
          final String serviceAccountKeyFile = "somefile.json";
          final String project = "project123";
          final String location = "location123";
          final GoogleCloudFunctionsOperations operation = GoogleCloudFunctionsOperations.callFunction;
          final boolean pojoRequest = false;
  
          GoogleCloudFunctionsComponent component = context.getComponent("google-functions",
                  GoogleCloudFunctionsComponent.class);
          GoogleCloudFunctionsEndpoint endpoint = (GoogleCloudFunctionsEndpoint) component.createEndpoint(String.format(
                  "google-functions://%s?serviceAccountKey=%s&project=%s&location=%s&operation=%s&pojoRequest=%s",
                  functionName, serviceAccountKeyFile, project, location, operation.name(), pojoRequest));
  
          assertEquals(endpoint.getConfiguration().getFunctionName(), functionName);
          assertEquals(endpoint.getConfiguration().getServiceAccountKey(), serviceAccountKeyFile);
          assertEquals(endpoint.getConfiguration().getProject(), project);
          assertEquals(endpoint.getConfiguration().getLocation(), location);
          assertEquals(endpoint.getConfiguration().getOperation(), operation);
          assertEquals(endpoint.getConfiguration().isPojoRequest(), pojoRequest);
      }
  
      @Test
      public void createEndpointWithAutowireClient() throws Exception {
          final String functionName = "function1";
  
          // init mock
          MockCloudFunctionsService mockCloudFunctionsService = new MockCloudFunctionsService();
          MockServiceHelper mockServiceHelper = new MockServiceHelper(
                  UUID.randomUUID().toString(),
                  Arrays.<MockGrpcService> asList(mockCloudFunctionsService));
          mockServiceHelper.start();
          LocalChannelProvider channelProvider = mockServiceHelper.createChannelProvider();
          CloudFunctionsServiceSettings settings = CloudFunctionsServiceSettings.newBuilder()
                  .setTransportChannelProvider(channelProvider).setCredentialsProvider(NoCredentialsProvider.create())
                  .build();
          CloudFunctionsServiceClient clientMock = CloudFunctionsServiceClient.create(settings);
  
          context.getRegistry().bind("myClient", clientMock);
  
          GoogleCloudFunctionsComponent component = context.getComponent("google-functions",
                  GoogleCloudFunctionsComponent.class);
          GoogleCloudFunctionsEndpoint endpoint = (GoogleCloudFunctionsEndpoint) component
                  .createEndpoint(String.format("google-functions://%s?client=#myClient", functionName));
  
          assertEquals(endpoint.getConfiguration().getFunctionName(), functionName);
          assertSame(clientMock, endpoint.getConfiguration().getClient());
  
          mockServiceHelper.stop();
      }
  
  }
  