Description_toString_Test.java

/*
 * Created on Jan 15, 2011
 * 
 * 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.
 * 
 * Copyright @2011 the original author or authors.
 */
package org.fest.assertions.description;

import static junit.framework.Assert.assertEquals;
import static org.mockito.Mockito.*;

import org.junit.*;

/**
 * Tests for <code>{@link Description#toString()}</code>.
 * 
 * @author Yvonne Wang
 */
public class Description_toString_Test {

  private ValueSource valueSource;
  private Description description;

  @Before
  public void setUp() {
    valueSource = mock(ValueSource.class);
    description = new TestDescription(valueSource);
  }

  @Test
  public void should_return_value_in_toString() {
    when(valueSource.value()).thenReturn("Yoda");
    assertEquals("Yoda", description.toString());
  }

  private static interface ValueSource {
    String value();
  }

  private static class TestDescription extends Description {
    private final ValueSource source;

    TestDescription(ValueSource source) {
      this.source = source;
    }

    @Override
    public String value() {
      return source.value();
    }
  }
}