// Copyright 2004, 2005 The Apache Software Foundation
//
// 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.apache.tapestry.services.impl;
import static org.easymock.EasyMock.expect;
import ognl.Node;
import ognl.OgnlContext;
import org.apache.hivemind.ApplicationRuntimeException;
import org.apache.tapestry.BaseComponentTestCase;
import org.apache.tapestry.services.ExpressionEvaluator;
import org.testng.annotations.Test;
/**
* Tests for {@link org.apache.tapestry.services.impl.ExpressionCacheImpl}.
*
* @author Howard M. Lewis Ship
* @since 4.0
*/
@Test(enabled = false)
public class TestExpressionCache extends BaseComponentTestCase
{
public void test_Valid_Expression()
{
ExpressionCacheImpl ec = new ExpressionCacheImpl();
Object compiled = ec.getCompiledExpression("foo ? bar : baz");
assertNotNull(compiled);
}
public void test_Caching()
{
ExpressionCacheImpl ec = new ExpressionCacheImpl();
Object c1 = ec.getCompiledExpression("foo + bar");
Object c2 = ec.getCompiledExpression("zip.zap.zoom");
Object c3 = ec.getCompiledExpression("foo + bar");
assertSame(c1, c3);
assertNotSame(c1, c2);
}
public void test_Compiled_Caching()
{
ExpressionEvaluator evaluator = newMock(ExpressionEvaluator.class);
ExpressionCacheImpl ec = new ExpressionCacheImpl();
ec.setEvaluator(evaluator);
BasicObject target = new BasicObject();
OgnlContext context = new OgnlContext();
expect(evaluator.createContext(target)).andReturn(context);
replay();
Node e1 = (Node)ec.getCompiledExpression(target, "value");
assertNotNull(e1.getAccessor());
assertEquals(e1.getAccessor().get(context, target), "foo");
Node e2 = (Node)ec.getCompiledExpression(target, "value");
assertSame(e1, e2);
verify();
}
public void test_Invalid_Expression()
{
ExpressionCacheImpl ec = new ExpressionCacheImpl();
try
{
ec.getCompiledExpression("foo and bar and");
unreachable();
}
catch (ApplicationRuntimeException ex)
{
assertExceptionSubstring(ex, "Unable to parse OGNL expression 'foo and bar and'");
}
}
// fails only when running from command line, must be threading issue
@Test(enabled = false)
public void test_Clear_Cache()
{
ExpressionEvaluator evaluator = newMock(ExpressionEvaluator.class);
ExpressionCacheImpl ec = new ExpressionCacheImpl();
ec.setEvaluator(evaluator);
BasicObject target = new BasicObject();
OgnlContext context = new OgnlContext();
expect(evaluator.createContext(target)).andReturn(context).anyTimes();
replay();
Node e1 = (Node)ec.getCompiledExpression(target, "value");
ec.resetEventDidOccur();
Node e2 = (Node)ec.getCompiledExpression(target, "value");
assertNotSame(e1, e2);
verify();
}
}