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/*
* 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.junit;
import java.io.File;
import java.util.Enumeration;
import java.util.Vector;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.FileSet;
import org.apache.tools.ant.types.Resource;
import org.apache.tools.ant.types.ResourceCollection;
import org.apache.tools.ant.types.resources.Resources;
/**
* <p> Create then run <code>JUnitTest</code>'s based on the list of files
* given by the fileset attribute.
*
* <p> Every <code>.java</code> or <code>.class</code> file in the fileset is
* assumed to be a testcase.
* A <code>JUnitTest</code> is created for each of these named classes with
* basic setup inherited from the parent <code>BatchTest</code>.
*
* @see JUnitTest
*/
public final class BatchTest extends BaseTest {
/** the reference to the project */
private Project project;
/** the list of filesets containing the testcase filename rules */
private Resources resources = new Resources();
/**
* create a new batchtest instance
* @param project the project it depends on.
*/
public BatchTest(Project project) {
this.project = project;
resources.setCache(true);
}
/**
* Add a new fileset instance to this batchtest. Whatever the fileset is,
* only filename that are <tt>.java</tt> or <tt>.class</tt> will be
* considered as 'candidates'.
* @param fs the new fileset containing the rules to get the testcases.
*/
public void addFileSet(FileSet fs) {
add(fs);
// this one is here because the changes to support ResourceCollections
// have broken Magic's JUnitTestTask.
//
// The task adds a FileSet to a BatchTest instance using the
// Java API and without telling the FileSet about its project
// instance. The original code would pass in project on the
// call to getDirectoryScanner - which is now hidden deep into
// Resources.iterator() and not reachable.
if (fs.getProject() == null) {
fs.setProject(project);
}
}
/**
* Add a new ResourceCollection instance to this
* batchtest. Whatever the collection is, only names that are
* <tt>.java</tt> or <tt>.class</tt> will be considered as
* 'candidates'.
* @param rc the new ResourceCollection containing the rules to
* get the testcases.
* @since Ant 1.7
*/
public void add(ResourceCollection rc) {
resources.add(rc);
}
/**
* Return all <tt>JUnitTest</tt> instances obtain by applying the fileset rules.
* @return an enumeration of all elements of this batchtest that are
* a <tt>JUnitTest</tt> instance.
*/
public Enumeration elements() {
JUnitTest[] tests = createAllJUnitTest();
return Enumerations.fromArray(tests);
}
/**
* Convenient method to merge the <tt>JUnitTest</tt>s of this batchtest
* to a <tt>Vector</tt>.
* @param v the vector to which should be added all individual tests of this
* batch test.
*/
void addTestsTo(Vector v) {
JUnitTest[] tests = createAllJUnitTest();
v.ensureCapacity(v.size() + tests.length);
for (int i = 0; i < tests.length; i++) {
v.addElement(tests[i]);
}
}
/**
* Create all <tt>JUnitTest</tt>s based on the filesets. Each instance
* is configured to match this instance properties.
* @return the array of all <tt>JUnitTest</tt>s that belongs to this batch.
*/
private JUnitTest[] createAllJUnitTest() {
String[] filenames = getFilenames();
JUnitTest[] tests = new JUnitTest[filenames.length];
for (int i = 0; i < tests.length; i++) {
String classname = javaToClass(filenames[i]);
tests[i] = createJUnitTest(classname);
}
return tests;
}
/**
* Iterate over all filesets and return the filename of all files
* that end with <tt>.java</tt> or <tt>.class</tt>. This is to avoid
* wrapping a <tt>JUnitTest</tt> over an xml file for example. A Testcase
* is obviously a java file (compiled or not).
* @return an array of filenames without their extension. As they should
* normally be taken from their root, filenames should match their fully
* qualified class name (If it is not the case it will fail when running the test).
* For the class <tt>org/apache/Whatever.class</tt> it will return <tt>org/apache/Whatever</tt>.
*/
private String[] getFilenames() {
Vector v = new Vector();
for (Resource r : resources) {
if (r.isExists()) {
String pathname = r.getName();
if (pathname.endsWith(".java")) {
v.addElement(pathname.substring(0, pathname.length() - ".java".length()));
} else if (pathname.endsWith(".class")) {
v.addElement(pathname.substring(0, pathname.length() - ".class".length()));
}
}
}
String[] files = new String[v.size()];
v.copyInto(files);
return files;
}
/**
* Convenient method to convert a pathname without extension to a
* fully qualified classname. For example <tt>org/apache/Whatever</tt> will
* be converted to <tt>org.apache.Whatever</tt>
* @param filename the filename to "convert" to a classname.
* @return the classname matching the filename.
*/
public static String javaToClass(String filename) {
return filename.replace(File.separatorChar, '.').replace('/', '.')
.replace('\\', '.');
}
/**
* Create a <tt>JUnitTest</tt> that has the same property as this
* <tt>BatchTest</tt> instance.
* @param classname the name of the class that should be run as a
* <tt>JUnitTest</tt>. It must be a fully qualified name.
* @return the <tt>JUnitTest</tt> over the given classname.
*/
private JUnitTest createJUnitTest(String classname) {
JUnitTest test = new JUnitTest();
test.setName(classname);
test.setHaltonerror(this.haltOnError);
test.setHaltonfailure(this.haltOnFail);
test.setFiltertrace(this.filtertrace);
test.setFork(this.fork);
test.setIf(getIfCondition());
test.setUnless(getUnlessCondition());
test.setTodir(this.destDir);
test.setFailureProperty(failureProperty);
test.setErrorProperty(errorProperty);
test.setSkipNonTests(isSkipNonTests());
Enumeration list = this.formatters.elements();
while (list.hasMoreElements()) {
test.addFormatter((FormatterElement) list.nextElement());
}
return test;
}
}
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