1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.test.runner.junit3;
17
18import android.app.Instrumentation;
19
20import junit.framework.TestCase;
21
22import org.junit.runner.Runner;
23import org.junit.runners.model.RunnerBuilder;
24
25/**
26 * A {@link RunnerBuilder} that will build customized runners needed for specialized Android
27 * {@link TestCase}s.
28 */
29public class AndroidJUnit3Builder extends RunnerBuilder {
30
31    private Instrumentation mInstr;
32    private boolean mSkipExecution;
33
34    public AndroidJUnit3Builder(Instrumentation instr, boolean skipExecution) {
35        mInstr = instr;
36        mSkipExecution = skipExecution;
37    }
38
39    @Override
40    public Runner runnerForClass(Class<?> testClass) throws Throwable {
41        if (mSkipExecution && isJUnit3TestCase(testClass)) {
42            return new NonExecutingJUnit3ClassRunner(testClass);
43        } else if (isAndroidTestCase(testClass)) {
44            return new AndroidJUnit3ClassRunner(testClass, mInstr);
45        } else if (isInstrumentationTestCase(testClass)) {
46            return new AndroidJUnit3ClassRunner(testClass, mInstr);
47        }
48        return null;
49    }
50
51    boolean isJUnit3TestCase(Class<?> testClass) {
52        return junit.framework.TestCase.class.isAssignableFrom(testClass);
53    }
54
55    boolean isAndroidTestCase(Class<?> testClass) {
56        return android.test.AndroidTestCase.class.isAssignableFrom(testClass);
57    }
58
59    boolean isInstrumentationTestCase(Class<?> testClass) {
60        return android.test.InstrumentationTestCase.class.isAssignableFrom(testClass);
61    }
62}
63