/*
* 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;
import junit.framework.TestCase;
import org.springframework.webflow.execution.FlowExecutionException;
import org.springframework.webflow.test.MockRequestControlContext;
/**
* Unit tests for {@link org.springframework.webflow.engine.FlowExecutionExceptionHandler} related code.
*
* @author Erwin Vervaet
*/
public class FlowExecutionHandlerSetTests extends TestCase {
Flow flow = new Flow("myFlow");
MockRequestControlContext context = new MockRequestControlContext(flow);
boolean handled;
public void testHandleException() {
FlowExecutionExceptionHandlerSet handlerSet = new FlowExecutionExceptionHandlerSet();
handlerSet.add(new TestStateExceptionHandler(NullPointerException.class, "null"));
handlerSet.add(new TestStateExceptionHandler(FlowExecutionException.class, "execution 1"));
handlerSet.add(new TestStateExceptionHandler(FlowExecutionException.class, "execution 2"));
assertEquals(3, handlerSet.size());
FlowExecutionException e = new FlowExecutionException("flowId", "stateId", "Test");
assertTrue(handlerSet.handleException(e, context));
assertFalse(context.getFlowScope().contains("null"));
assertTrue(context.getFlowScope().contains("execution 1"));
assertFalse(context.getFlowScope().contains("execution 2"));
}
/**
* State exception handler used in tests.
*/
public static class TestStateExceptionHandler implements FlowExecutionExceptionHandler {
private Class<?> typeToHandle;
private String resultName;
public TestStateExceptionHandler(Class<?> typeToHandle, String resultName) {
this.typeToHandle = typeToHandle;
this.resultName = resultName;
}
public boolean canHandle(FlowExecutionException exception) {
return typeToHandle.isInstance(exception);
}
public void handle(FlowExecutionException exception, RequestControlContext context) {
context.getFlowScope().put(resultName, true);
}
}
}