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Diffstat (limited to 'bundles/org.eclipse.test.performance/src/org/eclipse/test/OrderedTestSuite.java')
-rw-r--r-- | bundles/org.eclipse.test.performance/src/org/eclipse/test/OrderedTestSuite.java | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/bundles/org.eclipse.test.performance/src/org/eclipse/test/OrderedTestSuite.java b/bundles/org.eclipse.test.performance/src/org/eclipse/test/OrderedTestSuite.java new file mode 100644 index 00000000..93c0e82b --- /dev/null +++ b/bundles/org.eclipse.test.performance/src/org/eclipse/test/OrderedTestSuite.java @@ -0,0 +1,82 @@ +/******************************************************************************* + * Copyright (c) 2007, 2012 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.test; + +import java.lang.reflect.Method; +import java.util.HashSet; +import java.util.Iterator; +import java.util.Set; + +import junit.framework.Test; +import junit.framework.TestCase; +import junit.framework.TestSuite; + + +/** + * Test suite with user-specified test order. Fails if not all test methods are + * listed. + * + * <p> + * <b>Background:</b> {@link java.lang.Class#getDeclaredMethods()} does not + * specify the order of the methods. Up to JavaSE 6, the methods were usually + * sorted in declaration order, but in JavaSE 7, the order is random. This class + * guarantees reliable test execution order. + * </p> + * + * @since 3.8 + */ +public class OrderedTestSuite extends TestSuite { + + /** + * Creates a new ordered test suite that runs tests in the specified execution order. + * + * @param testClass the JUnit-3-style test class + * @param testMethods the names of all test methods in the expected execution order + */ + public OrderedTestSuite(final Class testClass, String[] testMethods) { + super(testClass.getName()); + + Set existingMethods= new HashSet(); + Method[] methods= testClass.getMethods(); // just public member methods + for (int i= 0; i < methods.length; i++) { + Method method= methods[i]; + existingMethods.add(method.getName()); + } + + for (int i= 0; i < testMethods.length; i++) { + final String testMethod= testMethods[i]; + if (existingMethods.remove(testMethod)) { + addTest(createTest(testClass, testMethod)); + } else { + addTest(error(testClass, testMethod, new IllegalArgumentException( + "Class '" + testClass.getName() + " misses test method '" + testMethod + "'."))); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ + } + } + + for (Iterator iter= existingMethods.iterator(); iter.hasNext();) { + String existingMethod= (String) iter.next(); + if (existingMethod.startsWith("test")) { //$NON-NLS-1$ + addTest(error(testClass, existingMethod, new IllegalArgumentException( + "Test method '" + existingMethod + "' not listed in OrderedTestSuite of class '" + testClass.getName() + "'."))); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ + } + } + + } + + private static Test error(Class testClass, String testMethod, Exception exception) { + final Throwable e2= exception.fillInStackTrace(); + return new TestCase(testMethod + "(" + testClass.getName() + ")") { //$NON-NLS-1$ //$NON-NLS-2$ + protected void runTest() throws Throwable { + throw e2; + } + }; + } +} |