1/*
2 * Copyright (C) 2015 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
17package com.android.server.wifi;
18
19import java.lang.annotation.Annotation;
20import java.lang.reflect.Method;
21
22/**
23 * Generial Utilities for Wifi tests
24 */
25public class WifiTestUtil {
26
27    /**
28     * Walk up the stack and find the first method annotated with @Test
29     * Note: this will evaluate all overloads with the method name for the @Test annotation
30     */
31    public static String getTestMethod() {
32        StackTraceElement[] stack = Thread.currentThread().getStackTrace();
33        for (StackTraceElement e : stack) {
34            if (e.isNativeMethod()) {
35                continue;
36            }
37            Class clazz;
38            try {
39                clazz = Class.forName(e.getClassName());
40            } catch (ClassNotFoundException ex) {
41                throw new RuntimeException("Could not find class from stack", ex);
42            }
43            Method[] methods = clazz.getDeclaredMethods();
44            for (Method method : methods) {
45                if (method.getName().equals(e.getMethodName())) {
46                    Annotation[] annotations = method.getDeclaredAnnotations();
47                    for (Annotation annotation : annotations) {
48                        if (annotation.annotationType().equals(org.junit.Test.class)) {
49                            return e.getClassName() + "#" + e.getMethodName();
50                        }
51                    }
52                }
53            }
54        }
55        throw new RuntimeException("Could not find a test method in the stack");
56    }
57}
58