/**
 * 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.nova.functions;

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;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.functions.UnwrapOnlyJsonValue;
import org.jclouds.io.Payloads;
import org.jclouds.json.config.GsonModule;
import org.jclouds.openstack.nova.domain.Flavor;
import org.testng.annotations.Test;

import java.io.InputStream;
import java.net.UnknownHostException;
import java.util.List;

import static org.testng.Assert.assertEquals;

/**
 * Tests behavior of {@code ParseFlavorListFromJsonResponse}
 *
 * @author Adrian Cole
 */
@Test(groups = "unit")
public class ParseFlavorListFromJsonResponseTest {

   Injector i = Guice.createInjector(new GsonModule());

   @Test
   public void testApplyInputStream() {
      InputStream is = getClass().getResourceAsStream("/test_list_flavors.json");

      List<Flavor> expects = ImmutableList.of(new Flavor(1, "256 MB Server", null, null, null), new Flavor(2, "512 MB Server", null, null, null));

      UnwrapOnlyJsonValue<List<Flavor>> parser = i.getInstance(Key
            .get(new TypeLiteral<UnwrapOnlyJsonValue<List<Flavor>>>() {
            }));
      List<Flavor> response = parser.apply(new HttpResponse(200, "ok", Payloads.newInputStreamPayload(is)));
      assertEquals(response, expects);
   }

   @Test
   public void testApplyInputStreamDetails() throws UnknownHostException {
      InputStream is = getClass().getResourceAsStream("/test_list_flavors_detail.json");

      UnwrapOnlyJsonValue<List<Flavor>> parser = i.getInstance(Key
            .get(new TypeLiteral<UnwrapOnlyJsonValue<List<Flavor>>>() {
            }));
      List<Flavor> response = parser.apply(new HttpResponse(200, "ok", Payloads.newInputStreamPayload(is)));
      assertEquals(response.get(0).getId(), 1);
      assertEquals(response.get(0).getName(), "256 MB Server");
      assertEquals(response.get(0).getDisk(), Integer.valueOf(10));
      assertEquals(response.get(0).getRam(), Integer.valueOf(256));
      assertEquals(response.get(0).getVcpus(), Integer.valueOf(2));

      assertEquals(response.get(1).getId(), 2);
      assertEquals(response.get(1).getName(), "512 MB Server");
      assertEquals(response.get(1).getDisk(), Integer.valueOf(20));
      assertEquals(response.get(1).getRam(), Integer.valueOf(512));
      assertEquals(response.get(1).getVcpus(), Integer.valueOf(5));

   }

}
