diff options
Diffstat (limited to 'sandbox/event/modules/host-webapp-junit/src/main/java')
2 files changed, 641 insertions, 0 deletions
diff --git a/sandbox/event/modules/host-webapp-junit/src/main/java/org/apache/tuscany/sca/host/webapp/junit/JUnitServletFilter.java b/sandbox/event/modules/host-webapp-junit/src/main/java/org/apache/tuscany/sca/host/webapp/junit/JUnitServletFilter.java new file mode 100644 index 0000000000..b2d3d0abf1 --- /dev/null +++ b/sandbox/event/modules/host-webapp-junit/src/main/java/org/apache/tuscany/sca/host/webapp/junit/JUnitServletFilter.java @@ -0,0 +1,355 @@ +/* + * 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.tuscany.sca.host.webapp.junit; + +import java.io.EOFException; +import java.io.IOException; +import java.io.InputStream; +import java.io.PrintStream; +import java.lang.reflect.Field; +import java.lang.reflect.Modifier; +import java.net.URL; +import java.net.URLClassLoader; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashSet; +import java.util.List; +import java.util.Set; +import java.util.jar.JarEntry; +import java.util.jar.JarInputStream; +import java.util.logging.Logger; +import java.util.regex.Pattern; + +import javax.servlet.Filter; +import javax.servlet.FilterChain; +import javax.servlet.FilterConfig; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import junit.framework.AssertionFailedError; + +import org.junit.runner.JUnitCore; +import org.junit.runner.Request; +import org.junit.runner.Result; +import org.junit.runner.notification.Failure; + +/** + * @version $Rev$ $Date$ + */ +public class JUnitServletFilter implements Filter { + private static final Logger logger = Logger.getLogger(JUnitServletFilter.class.getName()); + + private static final String JUNIT_TESTS_PATTERN = "junit.tests.pattern"; + private static final String JUNIT_TESTS_PATH = "junit.tests.path"; + private static final String JUNIT_ENABLED = "junit.enabled"; + private static final String TESTCASE_PATTERN = ".*TestCase"; + private static final String TESTS_JAR = "/WEB-INF/test-lib/junit-tests.jar"; + + private FilterConfig config; + private boolean junitEnabled = true; + private Set<String> allTestCases; + private ClassLoader testClassLoader; + + private Set<String> findTestCases(String testJarPath) throws IOException { + Pattern pattern = getTestCasePattern(); + if (testJarPath.endsWith(".jar")) { + return findTestCasesInJar(testJarPath, pattern); + } else { + return findTestCasesInDir(testJarPath, pattern); + } + } + + /** + * Search test cases in a JAR + * @param testJarPath + * @param pattern + * @return + * @throws IOException + */ + private Set<String> findTestCasesInJar(String testJarPath, Pattern pattern) throws IOException { + InputStream in = config.getServletContext().getResourceAsStream(testJarPath); + Set<String> tests = new HashSet<String>(); + if (in != null) { + JarInputStream jar = new JarInputStream(in); + try { + JarEntry entry = null; + + while ((entry = jar.getNextJarEntry()) != null) { + String name = entry.getName(); + + if (name.endsWith(".class")) { + String className = name.substring(0, name.length() - 6).replace('/', '.'); + if (pattern.matcher(className).matches()) { + tests.add(className); + } + } + } + } catch (EOFException e) { + } finally { + if (jar != null) { + try { + jar.close(); + } catch (IOException e) { + } + } + } + + } + return tests; + } + + private Pattern getTestCasePattern() { + String filter = config.getInitParameter(JUNIT_TESTS_PATTERN); + if (filter == null) { + filter = TESTCASE_PATTERN; + } + Pattern pattern = Pattern.compile(filter); + return pattern; + } + + public void destroy() { + } + + private void init() throws IOException { + testClassLoader = Thread.currentThread().getContextClassLoader(); + allTestCases = new HashSet<String>(); + String testsPath = config.getInitParameter(JUNIT_TESTS_PATH); + if (testsPath == null) { + testsPath = TESTS_JAR; + } + URL url = config.getServletContext().getResource(testsPath); + if (url != null) { + allTestCases = findTestCases(testsPath); + if (!(testsPath.startsWith("/WEB-INF/lib/") || testsPath.startsWith("/WEB-INF/classes/"))) { + // Create a new ClassLoader to load the test jar + testClassLoader = new URLClassLoader(new URL[] {url}, testClassLoader); + } + } + } + + /** + * Search test cases in a directory + * @param classesPath + * @param pattern + * @return + */ + private Set<String> findTestCasesInDir(String classesPath, Pattern pattern) { + ServletContext context = config.getServletContext(); + Set<String> tests = new HashSet<String>(); + String dir = classesPath; + findResources(context, pattern, tests, classesPath, dir); + return tests; + } + + @SuppressWarnings("unchecked") + private void findResources(ServletContext context, Pattern pattern, Set<String> tests, String root, String dir) { + Set<String> paths = context.getResourcePaths(dir); + if (paths != null) { + for (String name : paths) { + if (name.endsWith("/")) { + findResources(context, pattern, tests, root, name); + } + if (name.endsWith(".class")) { + String className = name.substring(root.length(), name.length() - 6).replace('/', '.'); + if (pattern.matcher(className).matches()) { + tests.add(className); + } + } + } + } + } + + public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, + ServletException { + + if (!junitEnabled) { + chain.doFilter(request, response); + return; + } + + HttpServletRequest req = (HttpServletRequest)request; + HttpServletResponse resp = (HttpServletResponse)response; + + if (!req.getRequestURI().equals(req.getContextPath() + "/junit")) { + // Intercept the /junit call + chain.doFilter(request, response); + return; + } + + String query = req.getQueryString(); + PrintStream ps = new PrintStream(response.getOutputStream()); + + Set<String> testCases = null; + // ClassLoader cl = Thread.currentThread().getContextClassLoader(); + String op = req.getParameter("op"); + if (query == null || op == null || "list".equalsIgnoreCase(op)) { + response.setContentType("text/html"); + resp.setStatus(HttpServletResponse.SC_OK); + ps.println("<html><body>"); + ps.println("<h2>Available Test Cases</h2><p>"); + ps.println("<form method=\"get\" action=\"junit\">"); + ps.println("<table border=\"1\">"); + for (String s : this.allTestCases) { + ps.print("<tr><td>"); + ps.print("<input type=\"checkbox\" name=\"test\" value=\"" + s + + "\"/><a href=\"junit?op=runSelected&test=" + + s + + "\">" + + s + + "</a>"); + ps.println("</td></tr>"); + } + ps.println("</table>"); + ps.println("<p><input type=\"submit\" name=\"op\" value=\"RunSelected\"/>"); + ps.println("<input type=\"submit\" name=\"op\" value=\"RunAll\"/>"); + ps.println("</form></body></html>"); + resp.flushBuffer(); + return; + } else { + if ("runAll".equalsIgnoreCase(op)) { + testCases = this.allTestCases; + } else { + String[] tests = req.getParameterValues("test"); + if (tests == null) { + tests = new String[0]; + } + testCases = new HashSet<String>(Arrays.asList(tests)); + } + } + + response.setContentType("application/xml"); + ps.println("<?xml version=\"1.0\" encoding=\"" + "UTF-8" + "\"?>"); + + ServletContext context = config.getServletContext(); + Object domain = context.getAttribute("org.apache.tuscany.sca.SCADomain"); + URL contribution = context.getResource("/META-INF/sca-contribution.xml"); + + long duration = 0L; + int errors = 0; + int failures = 0; + int runs = 0; + List<Class<?>> testClasses = new ArrayList<Class<?>>(); + List<Result> results = new ArrayList<Result>(); + for (String testClass : testCases) { + Class<?> test = null; + try { + test = Class.forName(testClass, false, testClassLoader); + if (domain != null && contribution != null) { + // Inject the SCADomain + inject(test, domain); + } + testClasses.add(test); + } catch (ClassNotFoundException e) { + String st = XMLFormatter.exceptionToString(e); + st = XMLFormatter.escape(st); + ps.println(st); + // ps.close(); + throw new ServletException(e); + } + + JUnitCore core = new JUnitCore(); + Result result = core.run(Request.aClass(test)); + results.add(result); + + duration += result.getRunTime(); + runs += result.getRunCount(); + + for (Failure f : result.getFailures()) { + if (f.getException() instanceof AssertionFailedError) { + failures++; + } else { + errors++; + } + } + } + + ps.println("<" + XMLFormatter.TESTSUITE + + " " + + XMLFormatter.ATTR_TESTS + + "=\"" + + runs + + "\" " + + XMLFormatter.ATTR_FAILURES + + "=\"" + + failures + + "\" " + + XMLFormatter.ATTR_ERRORS + + "=\"" + + errors + + "\" " + + XMLFormatter.ATTR_TIME + + "=\"" + + XMLFormatter.getDurationAsString(duration) + + "\">"); + for (int i = 0; i < testClasses.size(); i++) { + ps.println(XMLFormatter.toXML(results.get(i), testClasses.get(i))); + } + ps.println("</" + XMLFormatter.TESTSUITE + ">"); + + resp.addIntHeader("junit.errors", errors); + resp.addIntHeader("junit.failures", failures); + resp.addIntHeader("junit.runs", runs); + resp.setStatus(HttpServletResponse.SC_OK); + resp.flushBuffer(); + + ps.close(); + } + + private boolean inject(Class<?> cls, Object target) { + for (Field f : cls.getDeclaredFields()) { + if (Modifier.isStatic(f.getModifiers()) && f.getType().isInstance(target)) { + f.setAccessible(true); + try { + f.set(null, target); + return true; + } catch (IllegalArgumentException e) { + return false; + } catch (IllegalAccessException e) { + return false; + } + } + } + return false; + } + + public void init(FilterConfig config) throws ServletException { + this.config = config; + // Check if the /junit path should be allowed + String param = config.getInitParameter(JUNIT_ENABLED); + if (param != null && param.trim().equals("false")) { + junitEnabled = false; + return; + } + try { + init(); + } catch (IOException e) { + throw new ServletException(e); + } + } + + public boolean isJunitEnabled() { + return junitEnabled; + } + +} diff --git a/sandbox/event/modules/host-webapp-junit/src/main/java/org/apache/tuscany/sca/host/webapp/junit/XMLFormatter.java b/sandbox/event/modules/host-webapp-junit/src/main/java/org/apache/tuscany/sca/host/webapp/junit/XMLFormatter.java new file mode 100644 index 0000000000..72ec478cd6 --- /dev/null +++ b/sandbox/event/modules/host-webapp-junit/src/main/java/org/apache/tuscany/sca/host/webapp/junit/XMLFormatter.java @@ -0,0 +1,286 @@ +/* + * ======================================================================== + * + * Copyright 2001-2005 The Apache Software Foundation. + * + * 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.apache.tuscany.sca.host.webapp.junit; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.PrintWriter; +import java.io.StringReader; +import java.io.StringWriter; +import java.text.NumberFormat; +import java.util.Locale; + +import junit.framework.AssertionFailedError; + +import org.junit.runner.Result; +import org.junit.runner.notification.Failure; + +/** + * Format the test results in XML. + * + * @version $Id: XMLFormatter.java 239169 2005-05-05 09:21:54Z vmassol $ + */ +public class XMLFormatter { + /** + * Errors attribute for TestSuite elements + */ + public static final String ATTR_ERRORS = "errors"; + + /** + * Failures attribute for TestSuite elements + */ + public static final String ATTR_FAILURES = "failures"; + + /** + * Message attribute for failure elements (message of the exception) + */ + public static final String ATTR_MESSAGE = "message"; + + /** + * Name attribute for property, TestCase and TestSuite elements + */ + public static final String ATTR_NAME = "name"; + + /** + * Tests attribute for TestSuite elements (number of tests executed) + */ + public static final String ATTR_TESTS = "tests"; + + /** + * Time attribute for TestCase and TestSuite elements + */ + public static final String ATTR_TIME = "time"; + + /** + * Type attribute for failure and error elements + */ + public static final String ATTR_TYPE = "type"; + + /** + * Default stack filter patterns. + */ + private static final String[] DEFAULT_STACK_FILTER_PATTERNS = + new String[] {"junit.framework.TestCase", "junit.framework.TestResult", "junit.framework.TestSuite", + "junit.framework.Assert.", // don't filter AssertionFailure + "java.lang.reflect.Method.invoke("}; + + /** + * The number format used to convert durations into strings. Don't use the + * default locale for that, because the resulting string needs to use + * dotted decimal notation for an XSLT transformation to work correctly. + */ + private static NumberFormat durationFormat = NumberFormat.getInstance(Locale.US); + + /** + * The error element (for a test case) + */ + public static final String ERROR = "error"; + + /** + * The failure element (for a test case) + */ + public static final String FAILURE = "failure"; + + /** + * A single TestCase element + */ + public static final String TESTCASE = "testcase"; + + /** + * A single test suite results. + */ + public static final String TESTSUITE = "testsuite"; + + /** + * Escapes reserved XML characters. + * + * @param theString the string to escape + * @return the escaped string + */ + public static String escape(String theString) { + String newString; + + // It is important to replace the "&" first as the other replacements + // also introduces "&" chars ... + newString = theString.replace("&", "&"); + + newString = newString.replace("<", "<"); + newString = newString.replace(">", ">"); + newString = newString.replace("\"", """); + + return newString; + } + + /** + * Returns the stack trace of an exception as String. + * + * @param theThrowable the exception from which to extract the stack trace + * as a String + * @return the exception stack trace as a String + */ + public static String exceptionToString(Throwable theThrowable) { + return exceptionToString(theThrowable, null); + } + + /** + * Returns the stack trace of an exception as String, optionally filtering + * out line from the stack trace + * + * @param theThrowable the exception from which to extract the stack trace + * as a String + * @param theFilterPatterns Array containing a list of patterns to filter + * out from the stack trace + * @return the exception stack trace as a String + */ + public static String exceptionToString(Throwable theThrowable, String[] theFilterPatterns) { + StringWriter sw = new StringWriter(); + PrintWriter pw = new PrintWriter(sw); + + theThrowable.printStackTrace(pw); + String stackTrace = sw.toString(); + return filterStackTrace(stackTrace, theFilterPatterns); + } + + /** + * + * + * @param theLine The line to check + * @param theFilterPatterns The patterns to filter out + * @return boolean Whether the specified line should be filtered from the + * stack trace + */ + public static boolean filterLine(String theLine, String[] theFilterPatterns) { + for (int i = 0; i < theFilterPatterns.length; i++) { + if (theLine.indexOf(theFilterPatterns[i]) > 0) { + return true; + } + } + return false; + } + + /** + * + * + * @param theStackTrace The original, unfiltered stack trace + * @param theFilterPatterns The patterns to filter out + * @return The filtered stack trace + */ + static String filterStackTrace(String theStackTrace, String[] theFilterPatterns) { + if ((theFilterPatterns == null) || (theFilterPatterns.length == 0) || (theStackTrace == null)) { + return theStackTrace; + } + + StringWriter stringWriter = new StringWriter(); + PrintWriter printWriter = new PrintWriter(stringWriter); + StringReader stringReader = new StringReader(theStackTrace); + BufferedReader bufferedReader = new BufferedReader(stringReader); + + String line; + try { + while ((line = bufferedReader.readLine()) != null) { + if (!filterLine(line, theFilterPatterns)) { + printWriter.println(line); + } + } + } catch (IOException e) { + return theStackTrace; + } + return stringWriter.toString(); + } + + /** + * Convert a duration expressed as a long into a string. + * + * @param theDuration the duration to convert to string + * @return the total duration as a string + */ + public static String getDurationAsString(long theDuration) { + return durationFormat.format((double)theDuration / 1000); + } + + public static String toXML(Failure failure) { + StringBuffer xml = new StringBuffer(); + Throwable ex = failure.getException(); + String tag = (ex instanceof AssertionFailedError) ? FAILURE : ERROR; + xml.append("<" + tag + + " " + + ATTR_MESSAGE + + "=\"" + + escape(ex.getMessage()) + + "\" " + + ATTR_TYPE + + "=\"" + + ex.getClass().getName() + + "\">"); + xml.append(escape(exceptionToString(ex, DEFAULT_STACK_FILTER_PATTERNS))); + xml.append("</" + tag + ">"); + + return xml.toString(); + } + + /** + * Formats the test result as an XML string. + * + * @param result the test result object + * @return the XML string representation of the test results + */ + public static String toXML(Result result, Class<?> cls) { + int failures = 0, errors = 0; + for (Failure f : result.getFailures()) { + if (f.getException() instanceof AssertionFailedError) { + failures++; + } else { + errors++; + } + } + StringBuffer xml = new StringBuffer(); + + xml.append("<" + TESTCASE + + " " + + ATTR_NAME + + "=\"" + + cls.getName() + + "\" " + + ATTR_TESTS + + "=\"" + + result.getRunCount() + + "\" " + + ATTR_FAILURES + + "=\"" + + failures + + "\" " + + ATTR_ERRORS + + "=\"" + + errors + + "\" " + + ATTR_TIME + + "=\"" + + getDurationAsString(result.getRunTime()) + + "\">"); + + for (Failure f : result.getFailures()) { + xml.append(toXML(f)); + } + + xml.append("</" + TESTCASE + ">"); + + return xml.toString(); + } +} |