/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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.jclouds.openstack.swift.functions;

import static org.testng.Assert.assertEquals;

import java.io.InputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.jclouds.http.HttpResponse;
import org.jclouds.http.functions.ParseJson;
import org.jclouds.io.Payloads;
import org.jclouds.json.config.GsonModule;
import org.jclouds.openstack.swift.domain.ContainerMetadata;
import org.jclouds.util.Strings2;
import org.testng.annotations.Test;

import com.google.common.collect.ImmutableList;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Key;
import com.google.inject.TypeLiteral;

/**
 * Tests behavior of {@code ParseContainerListFromJsonResponse}
 * 
 * @author Adrian Cole
 */
@Test(groups = "unit")
public class ParseContainerListFromJsonResponseTest {
   Injector i = Guice.createInjector(new GsonModule());

   @Test
   public void testApplyInputStream() {
      InputStream is = Strings2
               .toInputStream("[ {\"name\":\"test_container_1\",\"count\":2,\"bytes\":78}, {\"name\":\"test_container_2\",\"count\":1,\"bytes\":17} ]   ");
      Map<String, String> meta = new HashMap<String, String>();

      List<ContainerMetadata> expects = ImmutableList.of(new ContainerMetadata("test_container_1", 2, 78, null, meta),
               new ContainerMetadata("test_container_2", 1, 17, null, meta));
      ParseJson<List<ContainerMetadata>> parser = i.getInstance(Key
               .get(new TypeLiteral<ParseJson<List<ContainerMetadata>>>() {
               }));
      assertEquals(parser.apply(new HttpResponse(200, "ok", Payloads.newInputStreamPayload(is))), expects);
   }
}
