mirror of https://github.com/tasks/tasks
Merge branch 'master' into gtasks
Tim Su
15 years ago
commit
1e9cda7aaa
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/*
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* Copyright (C) 2010 Zutubi Pty Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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*/
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package com.zutubi.android.junitreport;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.io.Writer;
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import junit.framework.AssertionFailedError;
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import junit.framework.Test;
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import junit.framework.TestCase;
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import junit.framework.TestListener;
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import org.xmlpull.v1.XmlSerializer;
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import android.content.Context;
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import android.util.Log;
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import android.util.Xml;
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/**
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* Custom test listener that outputs test results to a single XML file. The file
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* uses a similar format the to Ant JUnit task XML formatter, with a couple of
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* caveats:
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* <ul>
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* <li>Multiple suites are all placed in a single file under a root
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* <testsuites> element.</li>
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* <li>Redundant information about the number of nested cases within a suite is
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* omitted.</li>
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* <li>Neither standard output nor system properties are included.</li>
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* </ul>
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* The differences mainly revolve around making this reporting as lightweight as
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* possible. The report is streamed as the tests run, making it impossible to,
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* e.g. include the case count in a <testsuite> element.
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*/
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public class JUnitReportListener implements TestListener {
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private static final String LOG_TAG = "JUnitReportListener";
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private static final String ENCODING_UTF_8 = "utf-8";
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private static final String TAG_SUITES = "testsuites";
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private static final String TAG_SUITE = "testsuite";
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private static final String TAG_CASE = "testcase";
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private static final String TAG_ERROR = "error";
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private static final String TAG_FAILURE = "failure";
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private static final String ATTRIBUTE_NAME = "name";
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private static final String ATTRIBUTE_CLASS = "classname";
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private static final String ATTRIBUTE_TYPE = "type";
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private static final String ATTRIBUTE_MESSAGE = "message";
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private static final String ATTRIBUTE_TIME = "time";
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// With thanks to org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.
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// Trimmed some entries, added others for Android.
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private static final String[] DEFAULT_TRACE_FILTERS = new String[] {
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"junit.framework.TestCase", "junit.framework.TestResult",
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"junit.framework.TestSuite",
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"junit.framework.Assert.", // don't filter AssertionFailure
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"java.lang.reflect.Method.invoke(", "sun.reflect.",
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// JUnit 4 support:
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"org.junit.", "junit.framework.JUnit4TestAdapter", " more",
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// Added for Android
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"android.test.", "android.app.Instrumentation",
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"java.lang.reflect.Method.invokeNative",
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};
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private Context mContext;
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private String mReportFilePath;
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private boolean mFilterTraces;
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private FileOutputStream mOutputStream;
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private XmlSerializer mSerializer;
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private String mCurrentSuite;
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// simple time tracking
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private boolean timeAlreadyWritten = false;
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private long testStart;
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/**
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* Creates a new listener.
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*
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* @param context context of the target application under test
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* @param reportFilePath path of the report file to create (under the
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* context using {@link Context#openFileOutput(String, int)}).
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* @param filterTraces if true, stack traces will have common noise (e.g.
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* framework methods) omitted for clarity
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*/
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public JUnitReportListener(Context context, String reportFilePath, boolean filterTraces) {
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this.mContext = context;
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this.mReportFilePath = reportFilePath;
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this.mFilterTraces = filterTraces;
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}
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public void startTest(Test test) {
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try {
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openIfRequired(test);
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if (test instanceof TestCase) {
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TestCase testCase = (TestCase) test;
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checkForNewSuite(testCase);
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testStart = System.currentTimeMillis();
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timeAlreadyWritten = false;
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mSerializer.startTag("", TAG_CASE);
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mSerializer.attribute("", ATTRIBUTE_CLASS, mCurrentSuite);
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mSerializer.attribute("", ATTRIBUTE_NAME, testCase.getName());
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}
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} catch (IOException e) {
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Log.e(LOG_TAG, safeMessage(e));
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}
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}
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private void checkForNewSuite(TestCase testCase) throws IOException {
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String suiteName = testCase.getClass().getName();
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if (mCurrentSuite == null || !mCurrentSuite.equals(suiteName)) {
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if (mCurrentSuite != null) {
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mSerializer.endTag("", TAG_SUITE);
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}
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mSerializer.startTag("", TAG_SUITE);
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mSerializer.attribute("", ATTRIBUTE_NAME, suiteName);
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mCurrentSuite = suiteName;
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}
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}
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private void openIfRequired(Test test) throws IOException {
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if (mOutputStream == null) {
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mOutputStream = mContext.openFileOutput(mReportFilePath, 0);
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mSerializer = Xml.newSerializer();
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mSerializer.setOutput(mOutputStream, ENCODING_UTF_8);
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mSerializer.startDocument(ENCODING_UTF_8, true);
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mSerializer.startTag("", TAG_SUITES);
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}
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}
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public void addError(Test test, Throwable error) {
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addProblem(TAG_ERROR, error);
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}
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public void addFailure(Test test, AssertionFailedError error) {
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addProblem(TAG_FAILURE, error);
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}
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private void addProblem(String tag, Throwable error) {
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try {
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recordTestTime();
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mSerializer.startTag("", tag);
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mSerializer.attribute("", ATTRIBUTE_MESSAGE, safeMessage(error));
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mSerializer.attribute("", ATTRIBUTE_TYPE, error.getClass().getName());
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StringWriter w = new StringWriter();
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error.printStackTrace(mFilterTraces ? new FilteringWriter(w) : new PrintWriter(w));
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mSerializer.text(w.toString());
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mSerializer.endTag("", tag);
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} catch (IOException e) {
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Log.e(LOG_TAG, safeMessage(e));
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}
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}
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private void recordTestTime() throws IOException {
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if(!timeAlreadyWritten) {
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timeAlreadyWritten = true;
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mSerializer.attribute("", ATTRIBUTE_TIME,
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String.format("%.3f", (System.currentTimeMillis() - testStart) / 1000.));
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}
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}
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public void endTest(Test test) {
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try {
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if (test instanceof TestCase) {
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recordTestTime();
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mSerializer.endTag("", TAG_CASE);
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}
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} catch (IOException e) {
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Log.e(LOG_TAG, safeMessage(e));
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}
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}
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/**
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* Releases all resources associated with this listener. Must be called
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* when the listener is finished with.
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*/
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public void close() {
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if (mSerializer != null) {
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try {
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if (mCurrentSuite != null) {
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mSerializer.endTag("", TAG_SUITE);
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}
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mSerializer.endTag("", TAG_SUITES);
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mSerializer.endDocument();
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mSerializer = null;
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} catch (IOException e) {
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Log.e(LOG_TAG, safeMessage(e));
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}
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}
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if (mOutputStream != null) {
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try {
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mOutputStream.close();
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mOutputStream = null;
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} catch (IOException e) {
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Log.e(LOG_TAG, safeMessage(e));
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}
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}
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}
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private String safeMessage(Throwable error) {
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String message = error.getMessage();
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return error.getClass().getName() + ": " + (message == null ? "<null>" : message);
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}
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/**
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* Wrapper around a print writer that filters out common noise from stack
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* traces, making it easier to see the actual failure.
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*/
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private static class FilteringWriter extends PrintWriter {
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public FilteringWriter(Writer out) {
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super(out);
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}
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@Override
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public void println(String s) {
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for (String filtered : DEFAULT_TRACE_FILTERS) {
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if (s.contains(filtered)) {
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return;
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}
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}
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super.println(s);
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}
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}
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}
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@ -0,0 +1,98 @@
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/*
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* Copyright (C) 2010 Zutubi Pty Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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*/
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package com.zutubi.android.junitreport;
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import android.os.Bundle;
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import android.test.AndroidTestRunner;
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import android.test.InstrumentationTestRunner;
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/**
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* Custom test runner that adds a {@link JUnitReportListener} to the underlying
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* test runner in order to capture test results in an XML report. You may use
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* this class in place of {@link InstrumentationTestRunner} in your test
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* project's manifest, and/or specify it to your Ant build using the test.runner
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* property.
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* <p/>
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* This runner behaves identically to the default, with the added side-effect of
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* producing a JUnit XML report. The report format is similar to that produced
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* by the Ant JUnit task's XML formatter, making it compatible with existing
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* tools that can process that format. See {@link JUnitReportListener} for
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* further details.
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* <p/>
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* This runner accepts the following arguments:
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* <ul>
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* <li>reportFilePath: path of the file to write the XML report to, in the
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* target application's data area (default: junit-report.xml).</li>
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* <li>filterTraces: if true, stack traces in test failure reports will be
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* filtered to remove noise such as framework methods (default: true)</li>
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* </ul>
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* These arguments may be specified as follows:
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*
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* <pre>
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* {@code adb shell am instrument -w -e reportFile my-report-file.xml}
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* </pre>
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*/
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public class JUnitReportTestRunner extends InstrumentationTestRunner {
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/**
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* Path, relative to the target applications file root, at which to write the report file.
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*/
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private static final String ARG_REPORT_FILE_PATH = "reportFilePath";
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/**
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* If true, stack traces in the report will be filtered to remove common noise (e.g. framework
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* methods).
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*/
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private static final String ARG_FILTER_TRACES = "filterTraces";
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/**
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* Default path of the report file.
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*/
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private static final String DEFAULT_REPORT_FILE = "junit-report.xml";
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private JUnitReportListener mListener;
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private String mReportFilePath;
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private boolean mFilterTraces = true;
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@Override
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public void onCreate(Bundle arguments) {
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if (arguments != null) {
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mReportFilePath = arguments.getString(ARG_REPORT_FILE_PATH);
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mFilterTraces = arguments.getBoolean(ARG_FILTER_TRACES, true);
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}
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if (mReportFilePath == null) {
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mReportFilePath = DEFAULT_REPORT_FILE;
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}
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super.onCreate(arguments);
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}
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@Override
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protected AndroidTestRunner getAndroidTestRunner() {
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AndroidTestRunner runner = new AndroidTestRunner();
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mListener = new JUnitReportListener(getTargetContext(), mReportFilePath, mFilterTraces);
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runner.addTestListener(mListener);
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return runner;
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}
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@Override
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public void finish(int resultCode, Bundle results) {
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if (mListener != null) {
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mListener.close();
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}
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super.finish(resultCode, results);
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}
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}
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