FailingSpecificationTest.java

/*
 * Copyright 2006 the original author or authors.
 *
 * 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 jdave;

import java.lang.reflect.Method;
import jdave.runner.SpecRunner;
import static org.junit.Assert.assertEquals;
import org.junit.Test;

/**
 * @author Joni Freeman
 */
public class FailingSpecificationTest {
    private ExpectationFailedException actualException;
    private Method actualMethod;
    private SpecRunner runner = new SpecRunner();
    
    @Test
    public void testShouldNotPassExpectation() throws Exception {
        runner.run(FailingIntegerSpecification.class, new SpecVisitorAdapter(new ResultsAdapter() {
            @Override
            public void unexpected(Method method, ExpectationFailedException e) {
                actualMethod = method;
                actualException = e;
            }
        }));
        assertEquals("isNegative", actualMethod.getName());
        assertEquals("Expected: true, but was: false (actual was '0')", actualException.getMessage());
    }
    
    public static class FailingIntegerSpecification extends Specification<Integer> {
        public class Zero {
            public Integer create() {
                return 0;
            }
            
            public void isNegative() {
                specify(context, should.be < 0);
            }
        }
    }
}