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package lombok;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileFilter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.Map;
import java.util.TreeMap;
import org.junit.runner.Description;
import org.junit.runner.Runner;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunNotifier;
public class DirectoryRunner extends Runner {
private static final FileFilter JAVA_FILE_FILTER = new FileFilter() {
@Override public boolean accept(File file) {
return file.isFile() && file.getName().endsWith(".java");
}
};
private final Description description;
private final Map<String, Description> tests = new TreeMap<String, Description>();
private final Throwable failure;
private File beforeDirectory;
private File afterDirectory;
public DirectoryRunner(Class<?> testClass) {
description = Description.createSuiteDescription(testClass);
Throwable error = null;
try {
addTests(testClass);
}
catch (Throwable t) {
error = t;
}
this.failure = error;
}
private void addTests(Class<?> testClass) throws Exception {
Method beforeMethod = testClass.getDeclaredMethod("getBeforeDirectory");
beforeDirectory = (File) beforeMethod.invoke(null);
Method afterMethod = testClass.getDeclaredMethod("getAfterDirectory");
afterDirectory = (File) afterMethod.invoke(null);
for (File file : beforeDirectory.listFiles(JAVA_FILE_FILTER)) {
Description testDescription = Description.createTestDescription(testClass, file.getName());
description.addChild(testDescription);
tests.put(file.getName(), testDescription);
}
}
@Override
public Description getDescription() {
return description;
}
@Override
public void run(RunNotifier notifier) {
if (failure != null) {
notifier.fireTestStarted(description);
notifier.fireTestFailure(new Failure(description, failure));
notifier.fireTestFinished(description);
return;
}
for (Map.Entry<String, Description> entry : tests.entrySet()) {
Description testDescription = entry.getValue();
notifier.fireTestStarted(testDescription);
try {
if (!runTest(entry.getKey())) {
notifier.fireTestIgnored(testDescription);
}
}
catch (Throwable t) {
notifier.fireTestFailure(new Failure(testDescription, t));
}
notifier.fireTestFinished(testDescription);
}
}
private boolean runTest(String fileName) throws Throwable {
File file = new File(beforeDirectory, fileName);
if (mustIgnore(file)) {
return false;
}
RunTestsViaDelombok.compareFile(beforeDirectory, afterDirectory, file);
return true;
}
private boolean mustIgnore(File file) throws FileNotFoundException, IOException {
BufferedReader reader = new BufferedReader(new FileReader(file));
String line = reader.readLine();
reader.close();
return "//ignore".equals(line);
}
}
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