| /* |
| * 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.tools.ant.taskdefs.optional.junit; |
| |
| import java.io.*; |
| import junit.framework.*; |
| import org.apache.tools.ant.BuildException; |
| |
| /** |
| * Small testcase for the runner, tests are very very very basics. |
| * They must be enhanced with time. |
| * |
| */ |
| public class JUnitTestRunnerTest extends TestCase { |
| |
| // mandatory constructor |
| public JUnitTestRunnerTest(String name){ |
| super(name); |
| } |
| |
| // check that having no suite generates no errors |
| public void testNoSuite(){ |
| TestRunner runner = createRunner(NoSuiteTestCase.class); |
| runner.run(); |
| assertEquals(runner.getFormatter().getError(), JUnitTestRunner.SUCCESS, runner.getRetCode()); |
| } |
| |
| // check that a suite generates no errors |
| public void testSuite(){ |
| TestRunner runner = createRunner(SuiteTestCase.class); |
| runner.run(); |
| assertEquals(runner.getFormatter().getError(), JUnitTestRunner.SUCCESS, runner.getRetCode()); |
| } |
| |
| // check that an invalid suite generates an error. |
| public void testInvalidSuite(){ |
| TestRunner runner = createRunner(InvalidSuiteTestCase.class); |
| runner.run(); |
| String error = runner.getFormatter().getError(); |
| assertEquals(error, JUnitTestRunner.ERRORS, runner.getRetCode()); |
| assertTrue(error, error.indexOf("thrown on purpose") != -1); |
| } |
| |
| // check that something which is not a testcase generates no errors |
| // at first even though this is incorrect. |
| public void testNoTestCase(){ |
| TestRunner runner = createRunner(NoTestCase.class); |
| runner.run(); |
| // On junit3 this is a FAILURE, on junit4 this is an ERROR |
| int ret = runner.getRetCode(); |
| |
| if (ret != JUnitTestRunner.FAILURES && ret != JUnitTestRunner.ERRORS) { |
| fail("Unexpected result " + ret + " from junit runner"); |
| } |
| // JUnit3 test |
| //assertEquals(runner.getFormatter().getError(), JUnitTestRunner.FAILURES, runner.getRetCode()); |
| } |
| |
| // check that an exception in the constructor is noticed |
| public void testInvalidTestCase(){ |
| TestRunner runner = createRunner(InvalidTestCase.class); |
| runner.run(); |
| // On junit3 this is a FAILURE, on junit4 this is an ERROR |
| int ret = runner.getRetCode(); |
| if (ret != JUnitTestRunner.FAILURES && ret != JUnitTestRunner.ERRORS) { |
| fail("Unexpected result " + ret + " from junit runner"); |
| } |
| // JUNIT3 test |
| //assertEquals(error, JUnitTestRunner.FAILURES, runner.getRetCode()); |
| //@fixme as of now does not report the original stacktrace. |
| //assertTrue(error, error.indexOf("thrown on purpose") != -1); |
| } |
| |
| protected TestRunner createRunner(Class clazz){ |
| return new TestRunner(new JUnitTest(clazz.getName()), true, true, true); |
| } |
| |
| // the test runner that wrap the dummy formatter that interests us |
| private final static class TestRunner extends JUnitTestRunner { |
| private ResultFormatter formatter = new ResultFormatter(); |
| TestRunner(JUnitTest test, boolean haltonerror, boolean filtertrace, boolean haltonfailure){ |
| super(test, haltonerror, filtertrace, haltonfailure, TestRunner.class.getClassLoader()); |
| // use the classloader that loaded this class otherwise |
| // it will not be able to run inner classes if this test |
| // is ran in non-forked mode. |
| addFormatter(formatter); |
| } |
| ResultFormatter getFormatter(){ |
| return formatter; |
| } |
| } |
| |
| // dummy formatter just to catch the error |
| private final static class ResultFormatter implements JUnitResultFormatter { |
| private Throwable error; |
| public void setSystemOutput(String output){} |
| public void setSystemError(String output){} |
| public void startTestSuite(JUnitTest suite) throws BuildException{} |
| public void endTestSuite(JUnitTest suite) throws BuildException{} |
| public void setOutput(java.io.OutputStream out){} |
| public void startTest(Test t) {} |
| public void endTest(Test test) {} |
| public void addFailure(Test test, Throwable t) { } |
| public void addFailure(Test test, AssertionFailedError t) { } |
| public void addError(Test test, Throwable t) { |
| error = t; |
| } |
| String getError(){ |
| if (error == null){ |
| return ""; |
| } |
| StringWriter sw = new StringWriter(); |
| error.printStackTrace(new PrintWriter(sw)); |
| return sw.toString(); |
| } |
| } |
| |
| public static class NoTestCase { |
| } |
| |
| public static class InvalidTestCase extends TestCase { |
| public InvalidTestCase(String name){ |
| super(name); |
| throw new NullPointerException("thrown on purpose"); |
| } |
| } |
| |
| public static class NoSuiteTestCase extends TestCase { |
| public NoSuiteTestCase(String name){ super(name); } |
| public void testA(){} |
| } |
| |
| public static class SuiteTestCase extends NoSuiteTestCase { |
| public SuiteTestCase(String name){ super(name); } |
| public static Test suite(){ |
| return new TestSuite(SuiteTestCase.class); |
| } |
| } |
| |
| public static class InvalidSuiteTestCase extends NoSuiteTestCase { |
| public InvalidSuiteTestCase(String name){ super(name); } |
| public static Test suite(){ |
| throw new NullPointerException("thrown on purpose"); |
| } |
| } |
| public static void main(String[] args){ |
| junit.textui.TestRunner.run(JUnitTestRunnerTest.class); |
| } |
| } |
| |