MockitoHelper.java revision a3eccfee788c3ac3c831a443b085b141b39bb63d
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.telecom.tests;
18
19import android.content.Context;
20import android.telecom.Log;
21
22/**
23 * Helper for Mockito-based test cases.
24 */
25public final class MockitoHelper {
26    private static final String DEXCACHE = "dexmaker.dexcache";
27
28    /**
29     * Creates a new helper, which in turn will set the context classloader so
30     * it can load Mockito resources.
31     *
32     * @param packageClass test case class
33     */
34    public void setUp(Context context, Class<?> packageClass) throws Exception {
35        String dexCache = context.getCacheDir().toString();
36        Log.v(this, "Setting property %s to %s", DEXCACHE, dexCache);
37        System.setProperty(DEXCACHE, dexCache);
38    }
39
40    /**
41     * Restores the context classloader to the previous value.
42     */
43    public void tearDown() throws Exception {
44        Log.v(this, "Restoring context classloaders");
45        Log.v(this, "Clearing property %s", DEXCACHE);
46        System.clearProperty(DEXCACHE);
47    }
48}