| /** |
| * 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.hadoop.test; |
| |
| import org.junit.Test; |
| import org.junit.rules.MethodRule; |
| import org.junit.runners.model.FrameworkMethod; |
| import org.junit.runners.model.Statement; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.text.MessageFormat; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| public class TestDirHelper implements MethodRule { |
| |
| @Test |
| public void dummy() { |
| } |
| |
| static { |
| SysPropsForTestsLoader.init(); |
| } |
| |
| public static final String TEST_DIR_PROP = "test.dir"; |
| static String TEST_DIR_ROOT; |
| |
| private static void delete(File file) throws IOException { |
| if (file.getAbsolutePath().length() < 5) { |
| throw new IllegalArgumentException( |
| MessageFormat.format("Path [{0}] is too short, not deleting", file.getAbsolutePath())); |
| } |
| if (file.exists()) { |
| if (file.isDirectory()) { |
| File[] children = file.listFiles(); |
| if (children != null) { |
| for (File child : children) { |
| delete(child); |
| } |
| } |
| } |
| if (!file.delete()) { |
| throw new RuntimeException(MessageFormat.format("Could not delete path [{0}]", file.getAbsolutePath())); |
| } |
| } |
| } |
| |
| static { |
| try { |
| TEST_DIR_ROOT = System.getProperty(TEST_DIR_PROP, new File("target").getAbsolutePath()); |
| if (!TEST_DIR_ROOT.startsWith("/")) { |
| System.err.println(MessageFormat.format("System property [{0}]=[{1}] must be set to an absolute path", |
| TEST_DIR_PROP, TEST_DIR_ROOT)); |
| System.exit(-1); |
| } else if (TEST_DIR_ROOT.length() < 4) { |
| System.err.println(MessageFormat.format("System property [{0}]=[{1}] must be at least 4 chars", |
| TEST_DIR_PROP, TEST_DIR_ROOT)); |
| System.exit(-1); |
| } |
| |
| TEST_DIR_ROOT = new File(TEST_DIR_ROOT, "testdir").getAbsolutePath(); |
| System.setProperty(TEST_DIR_PROP, TEST_DIR_ROOT); |
| |
| File dir = new File(TEST_DIR_ROOT); |
| delete(dir); |
| if (!dir.mkdirs()) { |
| System.err.println(MessageFormat.format("Could not create test dir [{0}]", TEST_DIR_ROOT)); |
| System.exit(-1); |
| } |
| |
| System.setProperty("test.circus", "true"); |
| |
| System.out.println(">>> " + TEST_DIR_PROP + " : " + System.getProperty(TEST_DIR_PROP)); |
| } catch (IOException ex) { |
| throw new RuntimeException(ex); |
| } |
| } |
| |
| private static ThreadLocal<File> TEST_DIR_TL = new InheritableThreadLocal<File>(); |
| |
| @Override |
| public Statement apply(final Statement statement, final FrameworkMethod frameworkMethod, final Object o) { |
| return new Statement() { |
| @Override |
| public void evaluate() throws Throwable { |
| File testDir = null; |
| TestDir testDirAnnotation = frameworkMethod.getAnnotation(TestDir.class); |
| if (testDirAnnotation != null) { |
| testDir = resetTestCaseDir(frameworkMethod.getName()); |
| } |
| try { |
| TEST_DIR_TL.set(testDir); |
| statement.evaluate(); |
| } finally { |
| TEST_DIR_TL.remove(); |
| } |
| } |
| }; |
| } |
| |
| /** |
| * Returns the local test directory for the current test, only available when the |
| * test method has been annotated with {@link TestDir}. |
| * |
| * @return the test directory for the current test. It is an full/absolute |
| * <code>File</code>. |
| */ |
| public static File getTestDir() { |
| File testDir = TEST_DIR_TL.get(); |
| if (testDir == null) { |
| throw new IllegalStateException("This test does not use @TestDir"); |
| } |
| return testDir; |
| } |
| |
| private static AtomicInteger counter = new AtomicInteger(); |
| |
| private static File resetTestCaseDir(String testName) { |
| File dir = new File(TEST_DIR_ROOT); |
| dir = new File(dir, testName + "-" + counter.getAndIncrement()); |
| dir = dir.getAbsoluteFile(); |
| try { |
| delete(dir); |
| } catch (IOException ex) { |
| throw new RuntimeException(MessageFormat.format("Could not delete test dir[{0}], {1}", |
| dir, ex.getMessage()), ex); |
| } |
| if (!dir.mkdirs()) { |
| throw new RuntimeException(MessageFormat.format("Could not create test dir[{0}]", dir)); |
| } |
| return dir; |
| } |
| |
| } |