/*
* 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.
*
*/
package org.apache.tools.ant.taskdefs.optional;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.BuildFileRule;
import org.apache.tools.ant.FileUtilities;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import java.io.File;
import java.io.FilenameFilter;
import static org.apache.tools.ant.AntAssert.assertContains;
import static org.apache.tools.ant.AntAssert.assertNotContains;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* If you want to run tests, it is highly recommended
* to download ANTLR (www.antlr.org), build the 'antlrall.jar' jar
* with <code>make antlr-all.jar</code> and drop the jar (about 300KB) into
* Ant lib.
* - Running w/ the default antlr.jar (70KB) does not work (missing class)
*
* Unless of course you specify the ANTLR classpath in your
* system classpath. (see ANTLR install.html)
*
*/
public class ANTLRTest {
private final static String TASKDEFS_DIR = "src/etc/testcases/taskdefs/optional/antlr/";
@Rule
public BuildFileRule buildRule = new BuildFileRule();
@Before
public void setUp() {
buildRule.configureProject(TASKDEFS_DIR + "antlr.xml");
}
@Test
public void test1() {
try {
buildRule.executeTarget("test1");
fail("required argument, target, missing");
} catch (BuildException ex) {
//TODO should check exception message
}
}
@Test
public void test2() {
try {
buildRule.executeTarget("test2");
fail("Invalid output directory");
} catch (BuildException ex) {
//TODO should check exception message
}
}
@Test
public void test3() {
buildRule.executeTarget("test3");
}
@Test
public void test4() {
buildRule.executeTarget("test4");
}
@Test
public void test5() {
// should print "panic: Cannot find importVocab file 'JavaTokenTypes.txt'"
// since it needs to run java.g first before java.tree.g
try {
buildRule.executeTarget("test5");
fail("ANTLR returned: 1");
} catch (BuildException ex) {
//TODO should check exception message
}
}
@Test
public void test6() {
buildRule.executeTarget("test6");
}
@Test
public void test7() {
try {
buildRule.executeTarget("test7");
fail("Unable to determine generated class");
} catch (BuildException ex) {
//TODO should check exception message
}
}
/**
* This is a negative test for the super grammar (glib) option.
*/
@Test
public void test8() {
try {
buildRule.executeTarget("test8");
fail("Invalid super grammar file");
} catch (BuildException ex) {
//TODO should check exception message
}
}
/**
* This is a positive test for the super grammar (glib) option. ANTLR
* will throw an error if everything is not correct.
*/
@Test
public void test9() {
buildRule.executeTarget("test9");
}
/**
* This test creates an html-ized version of the calculator grammar.
* The sanity check is simply whether or not an html file was generated.
*/
@Test
public void test10() {
buildRule.executeTarget("test10");
File outputDirectory = new File(buildRule.getProject().getProperty("output"));
String[] calcFiles = outputDirectory.list(new HTMLFilter());
assertTrue(calcFiles.length > 0);
}
/**
* This is just a quick sanity check to run the diagnostic option and
* make sure that it doesn't throw any funny exceptions.
*/
@Test
public void test11() {
buildRule.executeTarget("test11");
}
/**
* This is just a quick sanity check to run the trace option and
* make sure that it doesn't throw any funny exceptions.
*/
@Test
public void test12() {
buildRule.executeTarget("test12");
}
/**
* This is just a quick sanity check to run all the rest of the
* trace options (traceLexer, traceParser, and traceTreeWalker) to
* make sure that they don't throw any funny exceptions.
*/
@Test
public void test13() {
buildRule.executeTarget("test13");
}
@Test
public void testNoRecompile() {
buildRule.executeTarget("test9");
assertNotContains("Skipped grammar file.", buildRule.getFullLog());
buildRule.executeTarget("noRecompile");
assertContains("Skipped grammar file.", buildRule.getFullLog());
}
@Test
public void testNormalRecompile() {
buildRule.executeTarget("test9");
assertNotContains("Skipped grammar file.", buildRule.getFullLog());
FileUtilities.rollbackTimetamps(buildRule.getOutputDir(), 5);
buildRule.executeTarget("normalRecompile");
assertNotContains("Skipped grammar file.", buildRule.getFullLog());
}
@Test
// Bugzilla Report 12961
public void testSupergrammarChangeRecompile() {
buildRule.executeTarget("test9");
assertNotContains("Skipped grammar file.", buildRule.getFullLog());
FileUtilities.rollbackTimetamps(buildRule.getOutputDir(), 5);
buildRule.executeTarget("supergrammarChangeRecompile");
assertNotContains("Skipped grammar file.", buildRule.getFullLog());
}
}
class HTMLFilter implements FilenameFilter {
public boolean accept(File dir, String name) {
return name.endsWith("html");
}
}