testfailurestubtest.java

不管是测试驱动开发或者是其它的开发模式

/*  Copyright (c) 2000-2004 jMock.org
 */
package test.jmock.core.stub;

import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.jmock.core.Invocation;
import org.jmock.core.stub.TestFailureStub;
import test.jmock.core.testsupport.MethodFactory;


public class TestFailureStubTest
        extends TestCase
{
    static final String MESSAGE = "MESSAGE";

    Invocation invocation;
    TestFailureStub testFailureStub;

    public void setUp() {
        MethodFactory methodFactory = new MethodFactory();
        invocation = new Invocation("INVOKED-OBJECT", methodFactory.newMethodReturning(void.class), new Object[0]);
        testFailureStub = new TestFailureStub(MESSAGE);
    }

    public void testThrowsAssertionFailedErrorWhenInvoked() throws Throwable {
        try {
            testFailureStub.invoke(invocation);
        }
        catch (AssertionFailedError ex) {
            assertEquals("should be error message from stub",
                         MESSAGE, ex.getMessage());
            return;
        }
        fail("expected AssertionFailedError");
    }

    public void testIncludesErrorMessageInDescription() {
        StringBuffer buffer = new StringBuffer();

        testFailureStub.describeTo(buffer);

        String description = buffer.toString();

        assertTrue("contains error message in description",
                   description.indexOf(MESSAGE) >= 0);
    }
}