EasyMockTestTest.java

// =================================================================================================
// Copyright 2011 Twitter, Inc.
// -------------------------------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this work except in compliance with the License.
// You may obtain a copy of the License in the LICENSE file, or 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 com.twitter.common.testing;

import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;

import com.google.common.collect.ImmutableList;

import org.easymock.EasyMock;
import org.easymock.IAnswer;
import org.junit.Test;

import static org.easymock.EasyMock.expectLastCall;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

/**
 * @author John Sirois
 */
public class EasyMockTestTest extends EasyMockTest {

  @Test
  public void testSimplyParametrizedMock() {
    final AtomicBoolean ran = new AtomicBoolean(false);

    Runnable runnable = createMock(new Clazz<Runnable>() { });
    runnable.run();
    expectLastCall().andAnswer(new IAnswer<Void>() {
      @Override public Void answer() {
        ran.set(true);
        return null;
      }
    });
    control.replay();

    runnable.run();
    assertTrue(ran.get());
  }

  @Test
  public void testNestedParametrizedMock() {
    List<List<String>> list = createMock(new Clazz<List<List<String>>>() { });
    EasyMock.expect(list.get(0)).andReturn(ImmutableList.of("jake"));
    control.replay();

    assertEquals(ImmutableList.of("jake"), list.get(0));
  }
}