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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 android.app.Instrumentation;
import android.content.Context;
import com.google.android.collect.Lists;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestListener;
import junit.framework.TestResult;
import junit.framework.TestSuite;
import junit.runner.BaseTestRunner;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
public class AndroidTestRunner extends BaseTestRunner {
private TestResult mTestResult;
private String mTestClassName;
private List<TestCase> mTestCases;
private Context mContext;
private boolean mSkipExecution = false;
private List<TestListener> mTestListeners = Lists.newArrayList();
private Instrumentation mInstrumentation;
@SuppressWarnings("unchecked")
public void setTestClassName(String testClassName, String testMethodName) {
Class testClass = loadTestClass(testClassName);
if (shouldRunSingleTestMethod(testMethodName, testClass)) {
TestCase testCase = buildSingleTestMethod(testClass, testMethodName);
mTestCases = Lists.newArrayList(testCase);
mTestClassName = testClass.getSimpleName();
} else {
setTest(getTest(testClass), testClass);
}
}
public void setTest(Test test) {
setTest(test, test.getClass());
}
private void setTest(Test test, Class<? extends Test> testClass) {
mTestCases = (List<TestCase>) TestCaseUtil.getTests(test, true);
if (TestSuite.class.isAssignableFrom(testClass)) {
mTestClassName = TestCaseUtil.getTestName(test);
} else {
mTestClassName = testClass.getSimpleName();
}
}
public void clearTestListeners() {
mTestListeners.clear();
}
public void addTestListener(TestListener testListener) {
if (testListener != null) {
mTestListeners.add(testListener);
}
}
@SuppressWarnings("unchecked")
private Class<? extends Test> loadTestClass(String testClassName) {
try {
return (Class<? extends Test>) mContext.getClassLoader().loadClass(testClassName);
} catch (ClassNotFoundException e) {
runFailed("Could not find test class. Class: " + testClassName);
}
return null;
}
private TestCase buildSingleTestMethod(Class testClass, String testMethodName) {
try {
TestCase testCase = (TestCase) testClass.newInstance();
testCase.setName(testMethodName);
return testCase;
} catch (IllegalAccessException e) {
runFailed("Could not access test class. Class: " + testClass.getName());
} catch (InstantiationException e) {
runFailed("Could not instantiate test class. Class: " + testClass.getName());
}
return null;
}
private boolean shouldRunSingleTestMethod(String testMethodName,
Class<? extends Test> testClass) {
return testMethodName != null && TestCase.class.isAssignableFrom(testClass);
}
private Test getTest(Class clazz) {
if (TestSuiteProvider.class.isAssignableFrom(clazz)) {
try {
TestSuiteProvider testSuiteProvider =
(TestSuiteProvider) clazz.getConstructor().newInstance();
return testSuiteProvider.getTestSuite();
} catch (InstantiationException e) {
runFailed("Could not instantiate test suite provider. Class: " + clazz.getName());
} catch (IllegalAccessException e) {
runFailed("Illegal access of test suite provider. Class: " + clazz.getName());
} catch (InvocationTargetException e) {
runFailed("Invocation exception test suite provider. Class: " + clazz.getName());
} catch (NoSuchMethodException e) {
runFailed("No such method on test suite provider. Class: " + clazz.getName());
}
}
return getTest(clazz.getName());
}
protected TestResult createTestResult() {
if (mSkipExecution) {
return new NoExecTestResult();
}
return new TestResult();
}
void setSkipExecution(boolean skip) {
mSkipExecution = skip;
}
public List<TestCase> getTestCases() {
return mTestCases;
}
public String getTestClassName() {
return mTestClassName;
}
public TestResult getTestResult() {
return mTestResult;
}
public void runTest() {
runTest(createTestResult());
}
public void runTest(TestResult testResult) {
mTestResult = testResult;
for (TestListener testListener : mTestListeners) {
mTestResult.addListener(testListener);
}
Context testContext = mInstrumentation.getContext();
for (TestCase testCase : mTestCases) {
setContextIfAndroidTestCase(testCase, mContext, testContext);
setInstrumentationIfInstrumentationTestCase(testCase, mInstrumentation);
testCase.run(mTestResult);
}
}
private void setContextIfAndroidTestCase(Test test, Context context, Context testContext) {
if (AndroidTestCase.class.isAssignableFrom(test.getClass())) {
((AndroidTestCase) test).setContext(context);
((AndroidTestCase) test).setTestContext(testContext);
}
}
public void setContext(Context context) {
mContext = context;
}
private void setInstrumentationIfInstrumentationTestCase(
Test test, Instrumentation instrumentation) {
if (InstrumentationTestCase.class.isAssignableFrom(test.getClass())) {
((InstrumentationTestCase) test).injectInsrumentation(instrumentation);
}
}
public void setInstrumentaiton(Instrumentation instrumentation) {
mInstrumentation = instrumentation;
}
@Override
protected Class loadSuiteClass(String suiteClassName) throws ClassNotFoundException {
return mContext.getClassLoader().loadClass(suiteClassName);
}
public void testStarted(String testName) {
}
public void testEnded(String testName) {
}
public void testFailed(int status, Test test, Throwable t) {
}
protected void runFailed(String message) {
throw new RuntimeException(message);
}
}
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