| package org.apache.velocity.test; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| import junit.framework.TestSuite; |
| import org.apache.velocity.VelocityContext; |
| import org.apache.velocity.app.Velocity; |
| import org.apache.velocity.exception.MacroOverflowException; |
| import org.apache.velocity.test.misc.TestLogger; |
| |
| import java.io.StringWriter; |
| |
| /** |
| * This class tests strange Velocimacro issues. |
| * |
| * @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a> |
| * @version $Id$ |
| */ |
| public class VelocimacroTestCase extends TestCase |
| { |
| private String template1 = "#macro(foo $a)$a#end #macro(bar $b)#foo($b)#end #foreach($i in [1..3])#if($i == 3)#foo($i)#else#bar($i)#end#end"; |
| private String result1 = " 123"; |
| private String template2 = "#macro(bar $a)#set($a = $a + 1)$a#bar($a)#end#bar(0)"; |
| private String template3 = "#macro(baz $a)#set($a = $a + 1)$a#inner($a)#end#macro(inner $b)#baz($b)#end#baz(0)"; |
| private String template4 = "#macro(bad $a)#set($a = $a + 1)$a#inside($a)#end#macro(inside $b)#loop($b)#end#macro(loop $c)#bad($c)#end#bad(0)"; |
| |
| public VelocimacroTestCase(String name) |
| { |
| super(name); |
| } |
| |
| public void setUp() |
| throws Exception |
| { |
| /* |
| * setup local scope for templates |
| */ |
| Velocity.reset(); |
| Velocity.setProperty( Velocity.VM_PERM_INLINE_LOCAL, Boolean.TRUE); |
| Velocity.setProperty( Velocity.VM_MAX_DEPTH, 5); |
| Velocity.setProperty( |
| Velocity.RUNTIME_LOG_INSTANCE, new TestLogger()); |
| Velocity.init(); |
| } |
| |
| public static Test suite() |
| { |
| return new TestSuite(VelocimacroTestCase.class); |
| } |
| |
| /** |
| * Runs the test. |
| */ |
| public void testVelociMacro () |
| throws Exception |
| { |
| VelocityContext context = new VelocityContext(); |
| |
| StringWriter writer = new StringWriter(); |
| Velocity.evaluate(context, writer, "vm_chain1", template1); |
| |
| String out = writer.toString(); |
| |
| if( !result1.equals( out ) ) |
| { |
| fail("output incorrect."); |
| } |
| } |
| |
| /** |
| * Test case for evaluating max calling depths of macros |
| */ |
| public void testVelociMacroCallMax() |
| throws Exception |
| { |
| VelocityContext context = new VelocityContext(); |
| StringWriter writer = new StringWriter(); |
| |
| try |
| { |
| Velocity.evaluate(context, writer, "vm_chain2", template2); |
| fail("Did not exceed max macro call depth as expected"); |
| } |
| catch (MacroOverflowException e) |
| { |
| assertEquals("Max calling depth of 5 was exceeded in macro 'bar'"+ |
| " with Call Stack:bar->bar->bar->bar->bar at vm_chain2[line 1, column 15]", |
| e.getMessage()); |
| } |
| |
| try |
| { |
| Velocity.evaluate(context, writer, "vm_chain3", template3); |
| fail("Did not exceed max macro call depth as expected"); |
| } |
| catch (MacroOverflowException e) |
| { |
| assertEquals("Max calling depth of 5 was exceeded in macro 'inner'"+ |
| " with Call Stack:baz->inner->baz->inner->baz at vm_chain3[line 1, column 64]", |
| e.getMessage()); |
| } |
| |
| try |
| { |
| Velocity.evaluate(context, writer, "vm_chain4", template4); |
| fail("Did not exceed max macro call depth as expected"); |
| } |
| catch (MacroOverflowException e) |
| { |
| assertEquals("Max calling depth of 5 was exceeded in macro 'loop'"+ |
| " with Call Stack:bad->inside->loop->bad->inside at vm_chain4[line 1, column 94]", |
| e.getMessage()); |
| } |
| } |
| } |