/*
* Copyright 2010 the original author or authors.
*
* 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.gradle.api.internal.tasks.testing.detection;
import org.gradle.api.file.EmptyFileVisitor;
import org.gradle.api.file.FileTree;
import org.gradle.api.file.FileVisitDetails;
import org.gradle.api.internal.tasks.testing.DefaultTestClassRunInfo;
import org.gradle.api.internal.tasks.testing.TestClassProcessor;
import org.gradle.api.internal.tasks.testing.TestClassRunInfo;
import java.io.File;
/**
* The default test class scanner. Depending on the availability of a test framework detector,
* a detection or filename scan is performed to find test classes.
*/
public class DefaultTestClassScanner implements Runnable {
private final FileTree candidateClassFiles;
private final TestFrameworkDetector testFrameworkDetector;
private final TestClassProcessor testClassProcessor;
public DefaultTestClassScanner(FileTree candidateClassFiles, TestFrameworkDetector testFrameworkDetector,
TestClassProcessor testClassProcessor) {
this.candidateClassFiles = candidateClassFiles;
this.testFrameworkDetector = testFrameworkDetector;
this.testClassProcessor = testClassProcessor;
}
public void run() {
if (testFrameworkDetector == null) {
filenameScan();
} else {
detectionScan();
}
}
private void detectionScan() {
testFrameworkDetector.startDetection(testClassProcessor);
candidateClassFiles.visit(new ClassFileVisitor() {
public void visitClassFile(FileVisitDetails fileDetails) {
testFrameworkDetector.processTestClass(fileDetails.getFile());
}
});
}
private void filenameScan() {
candidateClassFiles.visit(new ClassFileVisitor() {
public void visitClassFile(FileVisitDetails fileDetails) {
String className = fileDetails.getRelativePath().getPathString().replaceAll("\\.class", "").replace('/', '.');
TestClassRunInfo testClass = new DefaultTestClassRunInfo(className);
testClassProcessor.processTestClass(testClass);
}
});
}
private abstract class ClassFileVisitor extends EmptyFileVisitor {
public void visitFile(FileVisitDetails fileDetails) {
final File file = fileDetails.getFile();
if (file.getAbsolutePath().endsWith(".class")) {
visitClassFile(fileDetails);
}
}
public abstract void visitClassFile(FileVisitDetails fileDetails);
}
}