1 /* 2 * Copyright (C) 2013 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.providers.downloads; 18 19 import android.util.Log; 20 21 /** 22 * Helper for Mockito-based test cases. 23 */ 24 public final class MockitoHelper { 25 private static final String TAG = "MockitoHelper"; 26 27 private ClassLoader mOriginalClassLoader; 28 private Thread mContextThread; 29 30 /** 31 * Creates a new helper, which in turn will set the context classloader so 32 * it can load Mockito resources. 33 * 34 * @param packageClass test case class 35 */ 36 public void setUp(Class<?> packageClass) throws Exception { 37 // makes a copy of the context classloader 38 mContextThread = Thread.currentThread(); 39 mOriginalClassLoader = mContextThread.getContextClassLoader(); 40 ClassLoader newClassLoader = packageClass.getClassLoader(); 41 Log.v(TAG, "Changing context classloader from " + mOriginalClassLoader 42 + " to " + newClassLoader); 43 mContextThread.setContextClassLoader(newClassLoader); 44 } 45 46 /** 47 * Restores the context classloader to the previous value. 48 */ 49 public void tearDown() throws Exception { 50 Log.v(TAG, "Restoring context classloader to " + mOriginalClassLoader); 51 mContextThread.setContextClassLoader(mOriginalClassLoader); 52 } 53 } 54
