diff options
Diffstat (limited to '')
-rw-r--r-- | branches/sca-java-0.99/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/SCATestCaseRunner.java | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/branches/sca-java-0.99/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/SCATestCaseRunner.java b/branches/sca-java-0.99/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/SCATestCaseRunner.java new file mode 100644 index 0000000000..3aa334a3d5 --- /dev/null +++ b/branches/sca-java-0.99/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/SCATestCaseRunner.java @@ -0,0 +1,213 @@ +/* + * 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.embedded; + +import java.lang.annotation.Annotation; +import java.lang.reflect.Constructor; +import java.lang.reflect.Method; +import java.net.URL; +import java.net.URLClassLoader; + +/** + * A helper class that can be used to run an SCA JUnit test case. The test case will run in an isolated class loader. + * + * @version $Rev$ $Date$ + */ +public class SCATestCaseRunner { + + private ClassLoader classLoader; + private Class<?> testSuiteClass; + private Object testSuite; + private Class<?> testResultClass; + private Class<?> testCaseClass; + private Object testCase; + + private Class<?> beforeAnnotation; + private Class<?> beforeClassAnnotation; + private Class<?> afterAnnotation; + private Class<?> afterClassAnnotation; + private Class<?> junit4AdapterClass; + private Class<?> junit3TestCaseClass; + + /** + * Constructs a new TestCase runner. + * + * @param testClass + */ + public SCATestCaseRunner(Class testClass) { + try { + classLoader = testClass.getClassLoader(); + if (classLoader instanceof URLClassLoader) { + URL[] urls = ((URLClassLoader)classLoader).getURLs(); + classLoader = new URLClassLoader(urls, classLoader.getParent()); + } else { + classLoader = new URLClassLoader(new URL[0], classLoader); + } + + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + try { + Thread.currentThread().setContextClassLoader(classLoader); + + testCaseClass = Class.forName(testClass.getName(), true, classLoader); + testCase = testCaseClass.newInstance(); + + junit3TestCaseClass = Class.forName("junit.framework.TestCase", true, classLoader); + + testSuiteClass = Class.forName("junit.framework.TestSuite", true, classLoader); + Constructor testSuiteConstructor = testSuiteClass.getConstructor(Class.class); + testSuite = testSuiteConstructor.newInstance(testCaseClass); + + testResultClass = Class.forName("junit.framework.TestResult", true, classLoader); + + try { + beforeAnnotation = Class.forName("org.junit.Before", true, classLoader); + afterAnnotation = Class.forName("org.junit.After", true, classLoader); + beforeClassAnnotation = Class.forName("org.junit.BeforeClass", true, classLoader); + afterClassAnnotation = Class.forName("org.junit.AfterClass", true, classLoader); + junit4AdapterClass = Class.forName("junit.framework.JUnit4TestAdapter", true, classLoader); + } catch (Exception e) { + // Unexpected + throw new AssertionError(e); + } + + } finally { + Thread.currentThread().setContextClassLoader(tccl); + } + } catch (Exception e) { + throw new RuntimeException(e); + } + } + + /** + * Run the test case + */ + public void run() { + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + try { + Thread.currentThread().setContextClassLoader(classLoader); + + if (junit3TestCaseClass.isAssignableFrom(testCaseClass)) { + Object testResult = testResultClass.newInstance(); + Method runMethod = testSuiteClass.getMethod("run", testResultClass); + runMethod.invoke(testSuite, testResult); + } else { + Object junit4Adapter = junit4AdapterClass.getConstructor(Class.class).newInstance(testCaseClass); + Object testResult = testResultClass.newInstance(); + Method runMethod = junit4AdapterClass.getMethod("run", testResultClass); + runMethod.invoke(junit4Adapter, testResult); + } + } catch (Exception e) { + throw new RuntimeException(e); + } finally { + Thread.currentThread().setContextClassLoader(tccl); + } + } + + /** + * Invoke the setUp method + */ + public void setUp() { + execute("setUp"); + } + + /** + * Invoke the before methods + */ + public void before() { + execute(beforeAnnotation); + } + + /** + * Invoke the beforeClass methods + */ + public void beforeClass() { + execute(beforeClassAnnotation); + } + + /** + * Invoke the tearDown method + */ + public void tearDown() { + execute("tearDown"); + } + + /** + * Invoke the after methods + */ + public void after() { + execute(afterAnnotation); + } + + /** + * Invoke the afterClass methods + */ + public void afterClass() { + execute(afterClassAnnotation); + } + + /** + * Invoke the specified test method. + */ + public void run(String methodName) { + execute(methodName); + } + + /** + * Invoke the methods annotated with the specified annotation. + */ + private void execute(Class<?> annotationClass) { + if (annotationClass == null) { + throw new RuntimeException(new NoSuchMethodException()); + } + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + try { + Thread.currentThread().setContextClassLoader(classLoader); + + for (Method method : testCaseClass.getDeclaredMethods()) { + for (Annotation annotation : method.getAnnotations()) { + if (annotation.annotationType() == annotationClass) { + method.invoke(testCase); + } + } + } + } catch (Exception e) { + throw new RuntimeException(e); + } finally { + Thread.currentThread().setContextClassLoader(tccl); + } + } + + /** + * Invoke the specified method + */ + private void execute(String methodName) { + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + try { + Thread.currentThread().setContextClassLoader(classLoader); + Method setUpMethod = testCaseClass.getDeclaredMethod(methodName); + setUpMethod.setAccessible(true); + setUpMethod.invoke(testCase); + } catch (Exception e) { + throw new RuntimeException(e); + } finally { + Thread.currentThread().setContextClassLoader(tccl); + } + } + +} |