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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.lucene.util;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.text.NumberFormat;
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import java.util.logging.LogManager;
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import junit.framework.AssertionFailedError;
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import junit.framework.Test;
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import org.apache.lucene.store.LockReleaseFailedException;
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import org.apache.lucene.store.NativeFSLockFactory;
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import org.apache.tools.ant.taskdefs.optional.junit.JUnitResultFormatter;
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import org.apache.tools.ant.taskdefs.optional.junit.JUnitTest;
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import org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner;
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import org.apache.tools.ant.util.FileUtils;
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import org.apache.tools.ant.util.StringUtils;
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import org.junit.Ignore;
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* Just like BriefJUnitResultFormatter "brief" bundled with ant,
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* except all formatted text is buffered until the test suite is finished.
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* At this point, the output is written at once in synchronized fashion.
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* This way tests can run in parallel without interleaving output.
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public class LuceneJUnitResultFormatter implements JUnitResultFormatter {
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private static final double ONE_SECOND = 1000.0;
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private static final NativeFSLockFactory lockFactory;
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/** Where to write the log to. */
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private OutputStream out;
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/** Formatter for timings. */
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private NumberFormat numberFormat = NumberFormat.getInstance();
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/** Output suite has written to System.out */
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private String systemOutput = null;
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/** Output suite has written to System.err */
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private String systemError = null;
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/** Buffer output until the end of the test */
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private ByteArrayOutputStream sb; // use a BOS for our mostly ascii-output
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private static final org.apache.lucene.store.Lock lock;
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File lockDir = new File(
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System.getProperty("tests.lockdir", System.getProperty("java.io.tmpdir")),
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if (!lockDir.exists()) {
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throw new RuntimeException("Could not make Lock directory:" + lockDir);
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lockFactory = new NativeFSLockFactory(lockDir);
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lock = lockFactory.makeLock("junit_lock");
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} catch (IOException e) {
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throw new RuntimeException(e);
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/** Constructor for LuceneJUnitResultFormatter. */
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public LuceneJUnitResultFormatter() {
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* Sets the stream the formatter is supposed to write its results to.
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* @param out the output stream to write to
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public void setOutput(OutputStream out) {
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* @see JUnitResultFormatter#setSystemOutput(String)
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public void setSystemOutput(String out) {
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* @see JUnitResultFormatter#setSystemError(String)
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/** {@inheritDoc}. */
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public void setSystemError(String err) {
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* The whole testsuite started.
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* @param suite the test suite
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public synchronized void startTestSuite(JUnitTest suite) {
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return; // Quick return - no output do nothing.
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sb = new ByteArrayOutputStream(); // don't reuse, so its gc'ed
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LogManager.getLogManager().readConfiguration();
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} catch (Exception e) {}
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append("Testsuite: ");
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append(suite.getName());
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append(StringUtils.LINE_SEP);
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* The whole testsuite ended.
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* @param suite the test suite
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public synchronized void endTestSuite(JUnitTest suite) {
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append("Tests run: ");
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append(suite.runCount());
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append(", Failures: ");
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append(suite.failureCount());
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append(", Errors: ");
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append(suite.errorCount());
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append(", Time elapsed: ");
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append(numberFormat.format(suite.getRunTime() / ONE_SECOND));
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append(StringUtils.LINE_SEP);
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append(StringUtils.LINE_SEP);
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// append the err and output streams to the log
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if (systemOutput != null && systemOutput.length() > 0) {
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append("------------- Standard Output ---------------")
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.append(StringUtils.LINE_SEP)
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.append(systemOutput)
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.append("------------- ---------------- ---------------")
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.append(StringUtils.LINE_SEP);
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// HACK: junit gives us no way to do this in LuceneTestCase
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Class<?> clazz = Class.forName(suite.getName());
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Ignore ignore = clazz.getAnnotation(Ignore.class);
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if (ignore != null) {
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if (systemError == null) systemError = "";
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systemError += "NOTE: Ignoring test class '" + clazz.getSimpleName() + "': "
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+ ignore.value() + StringUtils.LINE_SEP;
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} catch (ClassNotFoundException e) { /* no problem */ }
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if (systemError != null && systemError.length() > 0) {
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append("------------- Standard Error -----------------")
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.append(StringUtils.LINE_SEP)
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.append("------------- ---------------- ---------------")
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.append(StringUtils.LINE_SEP);
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} catch(LockReleaseFailedException e) {
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// well lets pretend its released anyway
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} catch (IOException e) {
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throw new RuntimeException("unable to write results", e);
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if (out != System.out && out != System.err) {
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FileUtils.close(out);
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public void startTest(Test test) {
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public void endTest(Test test) {
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* Interface TestListener for JUnit <= 3.4.
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* @param t the exception thrown by the test
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public void addFailure(Test test, Throwable t) {
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formatError("\tFAILED", test, t);
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* Interface TestListener for JUnit > 3.4.
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* @param t the assertion failed by the test
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public void addFailure(Test test, AssertionFailedError t) {
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addFailure(test, (Throwable) t);
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* A test caused an error.
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* @param error the error thrown by the test
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public void addError(Test test, Throwable error) {
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formatError("\tCaused an ERROR", test, error);
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* Format the test for printing..
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* @return the formatted testname
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protected String formatTest(Test test) {
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return "Null Test: ";
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return "Testcase: " + test.toString() + ":";
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* Format an error and print it.
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* @param type the type of error
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* @param test the test that failed
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* @param error the exception that the test threw
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protected synchronized void formatError(String type, Test test,
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append(formatTest(test) + type);
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append(StringUtils.LINE_SEP);
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append(error.getMessage());
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append(StringUtils.LINE_SEP);
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String strace = JUnitTestRunner.getFilteredTrace(error);
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append(StringUtils.LINE_SEP);
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append(StringUtils.LINE_SEP);
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public LuceneJUnitResultFormatter append(String s) {
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sb.write(s.getBytes()); // intentionally use default charset, its a console.
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} catch (IOException e) {
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throw new RuntimeException(e);
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public LuceneJUnitResultFormatter append(long l) {
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return append(Long.toString(l));