content: /*
   * 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.camel.component.google.storage.transform;
  
  import java.io.ByteArrayInputStream;
  import java.nio.charset.StandardCharsets;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.cloudevents.CloudEvent;
  import org.apache.camel.component.google.storage.GoogleCloudStorageConstants;
  import org.apache.camel.impl.DefaultCamelContext;
  import org.apache.camel.spi.DataType;
  import org.apache.camel.spi.Transformer;
  import org.apache.camel.spi.TransformerKey;
  import org.apache.camel.support.DefaultExchange;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.*;
  
  class GoogleStorageCloudEventDataTypeTransformerTest {
  
      private final DefaultCamelContext camelContext = new DefaultCamelContext();
  
      private final GoogleStorageCloudEventDataTypeTransformer transformer = new GoogleStorageCloudEventDataTypeTransformer();
  
      @Test
      void shouldMapToCloudEvent() throws Exception {
          Exchange exchange = new DefaultExchange(camelContext);
  
          exchange.getMessage().setHeader(GoogleCloudStorageConstants.OBJECT_NAME, "test1");
          exchange.getMessage().setHeader(GoogleCloudStorageConstants.BUCKET_NAME, "myBucket");
          exchange.getMessage().setBody(new ByteArrayInputStream("Test1".getBytes(StandardCharsets.UTF_8)));
          transformer.transform(exchange.getMessage(), DataType.ANY, DataType.ANY);
  
          Assertions.assertTrue(exchange.getMessage().hasHeaders());
          Assertions.assertTrue(exchange.getMessage().getHeaders().containsKey(GoogleCloudStorageConstants.OBJECT_NAME));
          assertEquals("org.apache.camel.event.google.storage.downloadTo",
                  exchange.getMessage().getHeader(CloudEvent.CAMEL_CLOUD_EVENT_TYPE));
          assertEquals("test1", exchange.getMessage().getHeader(CloudEvent.CAMEL_CLOUD_EVENT_SUBJECT));
          assertEquals("google.storage.bucket.myBucket", exchange.getMessage().getHeader(CloudEvent.CAMEL_CLOUD_EVENT_SOURCE));
      }
  
      @Test
      public void shouldLookupDataTypeTransformer() throws Exception {
          Transformer transformer = camelContext.getTransformerRegistry()
                  .resolveTransformer(new TransformerKey("google-storage:application-cloudevents"));
          Assertions.assertNotNull(transformer);
          Assertions.assertEquals(GoogleStorageCloudEventDataTypeTransformer.class, transformer.getClass());
      }
  
  }
  