hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
94 lines
3.4 KiB
Java
94 lines
3.4 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.gtestrunner;
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import java.util.Iterator;
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import java.util.List;
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import org.junit.runner.Description;
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import org.junit.runner.Runner;
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import org.junit.runner.manipulation.Filter;
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import org.junit.runner.manipulation.Filterable;
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import org.junit.runner.manipulation.NoTestsRemainException;
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import org.junit.runner.notification.RunNotifier;
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/**
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* Custom Runner that implements a bridge between JUnit and GTest.
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*
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* Use this Runner in a @RunWith annotation together with a @TargetLibrary
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* annotation on an empty class to create a CTS test that consists of native
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* tests written against the Google Test Framework. See the CTS module in
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* cts/tests/tests/nativehardware for an example.
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*/
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public class GtestRunner extends Runner implements Filterable {
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private static boolean sOnceFlag = false;
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private Class mTargetClass;
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private Description mDescription;
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public GtestRunner(Class testClass) {
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synchronized (GtestRunner.class) {
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if (sOnceFlag) {
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throw new IllegalStateException("Error multiple GtestRunners defined");
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}
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sOnceFlag = true;
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}
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mTargetClass = testClass;
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TargetLibrary library = (TargetLibrary) testClass.getAnnotation(TargetLibrary.class);
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if (library == null) {
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throw new IllegalStateException("Missing required @TargetLibrary annotation");
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}
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System.loadLibrary(library.value());
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mDescription = Description.createSuiteDescription(testClass);
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// The nInitialize native method will populate the description based on
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// GTest test data.
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nInitialize(testClass.getName(), mDescription);
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}
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@Override
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public Description getDescription() {
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return mDescription;
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}
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@Override
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public void filter(Filter filter) throws NoTestsRemainException {
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List<Description> children = mDescription.getChildren();
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mDescription = Description.createSuiteDescription(mTargetClass);
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for (Iterator<Description> iter = children.iterator(); iter.hasNext(); ) {
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Description testDescription = iter.next();
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if (filter.shouldRun(testDescription)) {
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mDescription.addChild(testDescription);
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}
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}
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if (mDescription.getChildren().isEmpty()) {
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throw new NoTestsRemainException();
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}
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}
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@Override
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public void run(RunNotifier notifier) {
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for (Description description : mDescription.getChildren()) {
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nAddTest(description.getMethodName());
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}
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nRun(mTargetClass.getName(), notifier);
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}
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private static native void nInitialize(String className, Description description);
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private static native void nAddTest(String testName);
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private static native boolean nRun(String className, RunNotifier notifier);
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}
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