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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 org.apache.velocity.runtime.RuntimeInstance;
import org.apache.velocity.runtime.parser.Parser;
import org.apache.velocity.runtime.parser.node.ASTTextblock;
import java.lang.reflect.Field;
/**
* This class tests the Textblock directive.
*/
public class TextblockTestCase extends BaseTestCase
{
// these are all here so that the test case adapts instantly
// to changes in the textblock start/end sequences
private String START = null;
private String END = null;
private String PARTIAL_START = null;
private String PARTIAL_END = null;
private String END_OF_START = null;
private String START_OF_END = null;
public TextblockTestCase(String name)
{
super(name);
//DEBUG = true;
}
@Override
protected void setUp() throws Exception
{
super.setUp();
// get a valid parser instance to initialize string constants
Field riField = engine.getClass().getDeclaredField("ri");
riField.setAccessible(true);
RuntimeInstance ri = (RuntimeInstance)riField.get(engine);
Parser parser = ri.createNewParser();
ASTTextblock astTextblock = new ASTTextblock(parser, 0);
START = astTextblock.START;
END = astTextblock.END;
PARTIAL_START = START.substring(0, START.length() - 1);
PARTIAL_END = END.substring(1);
END_OF_START = START.substring(START.length() - 1);
START_OF_END = END.substring(0, 1);
}
public String textblock(String s)
{
return START + s + END;
}
public void assertTextblockEvalEquals(String s) throws Exception
{
assertEvalEquals(s, textblock(s));
}
/**
* https://issues.apache.org/jira/browse/VELOCITY-661
*/
public void testTextblockAjaxcode() throws Exception
{
String s = "var myId = 'someID';$('#test).append($.template('<div id=\"${myId}\"></div>').apply({myId: myId}));";
assertEvalEquals(s + " 123", textblock(s)+" #foreach($i in [1..3])$i#end");
}
public void testLooseTextblockEnd() throws Exception
{
// just like a multi-line comment end (*#), this must be
// followed by a character. by itself, it bombs for some reason.
assertEvalEquals(END+" ", END+" ");
}
public void testTextblockStartInTextblock() throws Exception
{
assertTextblockEvalEquals(START);
}
public void testTextblockEndBetweenTwoTextblockHalves() throws Exception
{
// just like a multi-line comment end (*#), the end token
// in the middle must be followed by some character.
// by itself, it bombs. not sure why that is, but the
// same has been true of multi-line comments without complaints,
// so i'm not going to worry about it just yet.
assertEvalEquals(" "+END+" ", textblock(" ")+END+" "+textblock(" "));
}
public void testZerolengthTextblock() throws Exception
{
assertTextblockEvalEquals("");
}
public void testTextblockInsideForeachLoop() throws Exception
{
String s = "var myId = 'someID';$('#test).append($.template('<div id=\"${myId}\"></div>').apply({myId: myId}));";
assertEvalEquals("1 "+s+"2 "+s+"3 "+s, "#foreach($i in [1..3])$i "+ textblock(s) + "#end");
}
public void testSingleHashInsideTextblock() throws Exception
{
assertTextblockEvalEquals(" # ");
}
public void testDollarInsideTextblock() throws Exception
{
assertTextblockEvalEquals("$");
}
public void testTextblockInsideComment() throws Exception
{
String s = "FOOBAR";
assertEvalEquals("", "#* comment "+textblock(s) + " *#");
}
public void testPartialStartEndTokensInsideTextblock() throws Exception
{
assertTextblockEvalEquals(PARTIAL_START+"foo"+PARTIAL_END);
}
public void testDupeTokenChars() throws Exception
{
assertTextblockEvalEquals(END_OF_START+START_OF_END);
assertTextblockEvalEquals(END_OF_START+END_OF_START+START_OF_END+START_OF_END);
assertTextblockEvalEquals(END_OF_START+END_OF_START+"#"+START_OF_END+START_OF_END);
}
/**
* https://issues.apache.org/jira/browse/VELOCITY-584
*/
public void testServerSideIncludeEscaping() throws Exception
{
assertTextblockEvalEquals("<!--#include file=\"wisdom.inc\"--> ");
}
/**
* https://issues.apache.org/jira/browse/VELOCITY-676
*/
public void testLineCommentInsideTextblock() throws Exception
{
assertTextblockEvalEquals("##x");
}
}
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