1 /*
2  * Copyright (C) 2016 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  */
16 
17 package com.android.cts.core.runner.support;
18 
19 import java.lang.reflect.Method;
20 
21 import org.junit.runner.Runner;
22 import org.junit.runners.model.RunnerBuilder;
23 
24 import org.testng.annotations.Test;
25 
26 /**
27  * A {@link RunnerBuilder} that can handle TestNG tests.
28  */
29 public class TestNgRunnerBuilder extends RunnerBuilder {
30   // Returns a TestNG runner for this class, only if it is a class
31   // annotated with testng's @Test or has any methods with @Test in it.
32   @Override
runnerForClass(Class<?> testClass)33   public Runner runnerForClass(Class<?> testClass) {
34     if (isTestNgTestClass(testClass)) {
35       return new TestNgRunner(testClass);
36     }
37 
38     return null;
39   }
40 
isTestNgTestClass(Class<?> cls)41   private static boolean isTestNgTestClass(Class<?> cls) {
42     // TestNG test is either marked @Test at the class
43     if (cls.getAnnotation(Test.class) != null) {
44       return true;
45     }
46 
47     // Or It's marked @Test at the method level
48     for (Method m : cls.getDeclaredMethods()) {
49       if (m.getAnnotation(Test.class) != null) {
50         return true;
51       }
52     }
53 
54     return false;
55   }
56 }
57