blobstore/src/test/java/org/jclouds/blobstore/binders/BindUserMetadataToHeadersWithPrefixTest.java

/*
 * 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
 *
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * See the License for the specific language governing permissions and
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package org.jclouds.blobstore.binders;

import static org.testng.Assert.assertEquals;

import java.io.File;

import org.jclouds.ContextBuilder;
import org.jclouds.blobstore.domain.Blob;
import org.jclouds.http.HttpRequest;
import org.testng.annotations.Test;

import com.google.common.collect.ImmutableMap;

@Test(groups = "unit")
public class BindUserMetadataToHeadersWithPrefixTest {

   @Test
   public void testCorrect() throws SecurityException, NoSuchMethodException {

      HttpRequest request = HttpRequest.builder().method("GET").endpoint("http://momma").build();
      BindUserMetadataToHeadersWithPrefix binder = new BindUserMetadataToHeadersWithPrefix(
            new BindMapToHeadersWithPrefix("prefix:"));

      Blob blob = ContextBuilder.newBuilder("transient").buildInjector().getInstance(Blob.Factory.class).create(null);

      blob.getMetadata().setUserMetadata(ImmutableMap.of("imageName", "foo", "serverId", "2"));

      assertEquals(
            binder.bindToRequest(request, blob),
            HttpRequest.builder().method("GET").endpoint("http://momma")
                       .addHeader("prefix:imagename", "foo")
                       .addHeader("prefix:serverid", "2").build());   
   }

   @Test(expectedExceptions = IllegalArgumentException.class)
   public void testMustBeBlob() {
      BindUserMetadataToHeadersWithPrefix binder = new BindUserMetadataToHeadersWithPrefix(
            new BindMapToHeadersWithPrefix("prefix:"));
      HttpRequest request = HttpRequest.builder().method("POST").endpoint("http://localhost").build();
      binder.bindToRequest(request, new File("foo"));
   }

   @Test(expectedExceptions = { NullPointerException.class, IllegalStateException.class })
   public void testNullIsBad() {
      BindUserMetadataToHeadersWithPrefix binder = new BindUserMetadataToHeadersWithPrefix(
            new BindMapToHeadersWithPrefix("prefix:"));
      HttpRequest request = HttpRequest.builder().method("GET").endpoint("http://momma").build();
      binder.bindToRequest(request, null);
   }
}