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;
17
18import android.app.Instrumentation;
19
20import com.android.test.runner.junit3.AndroidJUnit3Builder;
21import com.android.test.runner.junit4.AndroidJUnit4Builder;
22
23import org.junit.internal.builders.AllDefaultPossibilitiesBuilder;
24import org.junit.runner.Runner;
25import org.junit.runners.model.RunnerBuilder;
26
27/**
28 * A {@link RunnerBuilder} that can handle all types of tests.
29 */
30class AndroidRunnerBuilder extends AllDefaultPossibilitiesBuilder {
31
32    private final Instrumentation mInstr;
33    private final AndroidJUnit3Builder mAndroidJUnit3Builder;
34    private final AndroidJUnit4Builder mAndroidJUnit4Builder;
35
36    public AndroidRunnerBuilder(boolean canUseSuiteMethod, Instrumentation instr,
37            boolean skipExecution) {
38        super(canUseSuiteMethod);
39        mInstr = instr;
40        mAndroidJUnit3Builder = new AndroidJUnit3Builder(mInstr, skipExecution);
41        mAndroidJUnit4Builder = new AndroidJUnit4Builder(mInstr, skipExecution);
42    }
43
44    @Override
45    public Runner runnerForClass(Class<?> testClass) throws Throwable {
46        Runner runner = mAndroidJUnit3Builder.safeRunnerForClass(testClass);
47        if (runner != null) {
48            return runner;
49        }
50        runner = mAndroidJUnit4Builder.safeRunnerForClass(testClass);
51        if (runner != null) {
52            return runner;
53        }
54        return super.runnerForClass(testClass);
55    }
56
57}
58