/**
 * Licensed 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.aurora.scheduler.thrift.aop;

import com.google.common.collect.ImmutableSet;
import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.matcher.Matchers;

import org.apache.aurora.common.testing.easymock.EasyMockTest;
import org.apache.aurora.gen.GetJobsResult;
import org.apache.aurora.gen.Response;
import org.apache.aurora.gen.Result;
import org.apache.aurora.gen.ServerInfo;
import org.apache.aurora.scheduler.storage.entities.IServerInfo;
import org.apache.aurora.scheduler.thrift.auth.DecoratedThrift;
import org.junit.Before;
import org.junit.Test;

import static org.apache.aurora.gen.ResponseCode.OK;
import static org.easymock.EasyMock.expect;
import static org.junit.Assert.assertEquals;

public class ServerInfoInterceptorTest extends EasyMockTest {

  private static final String ROLE = "bob";

  private AnnotatedAuroraAdmin realThrift;
  private AnnotatedAuroraAdmin decoratedThrift;

  private static final IServerInfo SERVER_INFO = IServerInfo.build(
      new ServerInfo()
          .setClusterName("test")
          .setStatsUrlPrefix("fake_url"));

  private ServerInfoInterceptor interceptor;

  @Before
  public void setUp() {
    interceptor = new ServerInfoInterceptor();
    realThrift = createMock(AnnotatedAuroraAdmin.class);
    Injector injector = Guice.createInjector(new AbstractModule() {
      @Override
      protected void configure() {
        MockDecoratedThrift.bindForwardedMock(binder(), realThrift);
        bind(IServerInfo.class).toInstance(SERVER_INFO);
        AopModule.bindThriftDecorator(
            binder(),
            Matchers.annotatedWith(DecoratedThrift.class),
            interceptor);
      }
    });
    decoratedThrift = injector.getInstance(AnnotatedAuroraAdmin.class);
  }

  @Test
  public void testServerInfoIsSet() throws Exception {
    ServerInfo previousServerInfo = new ServerInfo().setClusterName("FAKECLUSTER");
    Response response = okResponse(
        Result.getJobsResult(new GetJobsResult().setConfigs(ImmutableSet.of())))
        .setServerInfo(previousServerInfo);

    expect(realThrift.getJobs(ROLE)).andReturn(response);

    control.replay();

    assertEquals(SERVER_INFO.newBuilder(), decoratedThrift.getJobs(ROLE).getServerInfo());
  }

  private static Response okResponse(Result result) {
    return new Response()
        .setResponseCode(OK)
        .setResult(result);
  }
}