/*
* Copyright 2004-2012 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 org.springframework.webflow.engine.support;
import junit.framework.TestCase;
import org.springframework.webflow.action.EventFactorySupport;
import org.springframework.webflow.engine.TransitionCriteria;
import org.springframework.webflow.execution.Action;
import org.springframework.webflow.execution.AnnotatedAction;
import org.springframework.webflow.execution.Event;
import org.springframework.webflow.execution.RequestContext;
import org.springframework.webflow.test.MockRequestContext;
/**
* Unit tests for {@link TransitionCriteriaChain}.
*
* @author Erwin Vervaet
*/
public class TransitionCriteriaChainTests extends TestCase {
private TransitionCriteriaChain chain;
private MockRequestContext context;
protected void setUp() throws Exception {
chain = new TransitionCriteriaChain();
context = new MockRequestContext();
}
public void testEmptyChain() {
assertTrue(chain.test(context));
}
public void testAllTrue() {
TestTransitionCriteria criteria1 = new TestTransitionCriteria(true);
TestTransitionCriteria criteria2 = new TestTransitionCriteria(true);
TestTransitionCriteria criteria3 = new TestTransitionCriteria(true);
chain.add(criteria1);
chain.add(criteria2);
chain.add(criteria3);
assertTrue(chain.test(context));
assertTrue(criteria1.tested);
assertTrue(criteria2.tested);
assertTrue(criteria3.tested);
}
public void testWithFalse() {
TestTransitionCriteria criteria1 = new TestTransitionCriteria(true);
TestTransitionCriteria criteria2 = new TestTransitionCriteria(false);
TestTransitionCriteria criteria3 = new TestTransitionCriteria(true);
chain.add(criteria1);
chain.add(criteria2);
chain.add(criteria3);
assertFalse(chain.test(context));
assertTrue(criteria1.tested);
assertTrue(criteria2.tested);
assertFalse(criteria3.tested);
}
public void testCriteriaChainForNoActions() {
TransitionCriteria actionChain = TransitionCriteriaChain.criteriaChainFor(null);
assertTrue(actionChain.test(context));
}
public void testCriteriaChainForActions() {
AnnotatedAction[] actions = new AnnotatedAction[] { new AnnotatedAction(new TestAction(true)),
new AnnotatedAction(new TestAction(false)) };
TransitionCriteria actionChain = TransitionCriteriaChain.criteriaChainFor(actions);
assertFalse(actionChain.test(context));
}
private static class TestTransitionCriteria implements TransitionCriteria {
public boolean tested = false;
private boolean result;
public TestTransitionCriteria(boolean result) {
this.result = result;
}
public boolean test(RequestContext context) {
tested = true;
return result;
}
}
private static class TestAction implements Action {
private boolean result;
public TestAction(boolean result) {
this.result = result;
}
public Event execute(RequestContext context) throws Exception {
if (result) {
return new EventFactorySupport().success(this);
} else {
return new EventFactorySupport().error(this);
}
}
}
}