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/*
* Copyright (C) 2007 The Android Open Source Project
*
* 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 android.test;
import com.google.android.collect.Lists;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import junit.runner.BaseTestRunner;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Enumeration;
import java.util.List;
/**
* @hide - This is part of a framework that is under development and should not be used for
* active development.
*/
public class TestCaseUtil {
private TestCaseUtil() {
}
@SuppressWarnings("unchecked")
public static List<String> getTestCaseNames(Test test, boolean flatten) {
List<Test> tests = (List<Test>) getTests(test, flatten);
List<String> testCaseNames = Lists.newArrayList();
for (Test aTest : tests) {
testCaseNames.add(getTestName(aTest));
}
return testCaseNames;
}
public static List<? extends Test> getTests(Test test, boolean flatten) {
List<Test> testCases = Lists.newArrayList();
if (test != null) {
Test workingTest = invokeSuiteMethodIfPossible(test.getClass());
if (workingTest == null) {
workingTest = test;
}
if (workingTest instanceof TestSuite) {
TestSuite testSuite = (TestSuite) workingTest;
Enumeration enumeration = testSuite.tests();
while (enumeration.hasMoreElements()) {
Test childTest = (Test) enumeration.nextElement();
if (flatten) {
testCases.addAll(getTests(childTest, flatten));
} else {
testCases.add(childTest);
}
}
} else {
testCases.add(workingTest);
}
}
return testCases;
}
private static Test invokeSuiteMethodIfPossible(Class testClass) {
try {
Method suiteMethod = testClass.getMethod(
BaseTestRunner.SUITE_METHODNAME, new Class[0]);
if (Modifier.isStatic(suiteMethod.getModifiers())) {
try {
return (Test) suiteMethod.invoke(null, (Object[]) null);
} catch (InvocationTargetException e) {
// do nothing
} catch (IllegalAccessException e) {
// do nothing
}
}
} catch (NoSuchMethodException e) {
// do nothing
}
return null;
}
public static String getTestName(Test test) {
if (test instanceof TestCase) {
TestCase testCase = (TestCase) test;
return testCase.getName();
} else if (test instanceof TestSuite) {
TestSuite testSuite = (TestSuite) test;
String name = testSuite.getName();
if (name != null) {
int index = name.lastIndexOf(".");
if (index > -1) {
return name.substring(index + 1);
} else {
return name;
}
}
}
return "";
}
public static Test getTestAtIndex(TestSuite testSuite, int position) {
int index = 0;
Enumeration enumeration = testSuite.tests();
while (enumeration.hasMoreElements()) {
Test test = (Test) enumeration.nextElement();
if (index == position) {
return test;
}
index++;
}
return null;
}
public static TestSuite createTestSuite(Class<? extends Test> testClass)
throws InstantiationException, IllegalAccessException {
Test test = invokeSuiteMethodIfPossible(testClass);
if (test == null) {
return new TestSuite(testClass);
} else if (TestCase.class.isAssignableFrom(test.getClass())) {
TestSuite testSuite = new TestSuite(test.getClass().getName());
testSuite.addTest(test);
return testSuite;
}
return (TestSuite) test;
}
}
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