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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.bookmarkprovider.tests.utils;
import android.content.ContentProvider;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.database.ContentObserver;
import android.net.Uri;
import android.test.AndroidTestCase;
import android.test.IsolatedContext;
import android.test.RenamingDelegatingContext;
import android.test.mock.MockContext;
import java.io.File;
import android.content.pm.ProviderInfo;
/**
* Replacement for ProviderTestCase2 that keeps calls to ContentResolver.notifyChanged
* internal to observers registered with ProviderTestCase3.registerContentObserver
*/
public abstract class ProviderTestCase3<T extends ContentProvider> extends AndroidTestCase {
public static final String FILENAME_PREFIX = "test.";
private static final String BROWSER_AUTHORITIES = "com.android.browser;browser";
Class<T> mProviderClass;
String[] mProviderAuthority;
private IsolatedContext mProviderContext;
private MockContentResolver2 mResolver;
private class MockContext2 extends MockContext {
@Override
public Resources getResources() {
return getContext().getResources();
}
@Override
public File getDir(String name, int mode) {
// name the directory so the directory will be separated from
// one created through the regular Context
return getContext().getDir("mockcontext2_" + name, mode);
}
@Override
public String getPackageName() {
return getContext().getPackageName();
}
@Override
public SharedPreferences getSharedPreferences(String name, int mode) {
return getContext().getSharedPreferences("mockcontext2_" + name, mode);
}
@Override
public Context getApplicationContext() {
return this;
}
@Override
public Object getSystemService(String name) {
return null;
}
}
/**
* Constructor.
*
* @param providerClass The class name of the provider under test
* @param providerAuthorities The provider's authority string
*/
public ProviderTestCase3(Class<T> providerClass, String... providerAuthorities) {
mProviderClass = providerClass;
mProviderAuthority = providerAuthorities;
}
private T mProvider;
/**
* Returns the content provider created by this class in the {@link #setUp()} method.
* @return T An instance of the provider class given as a parameter to the test case class.
*/
public T getProvider() {
return mProvider;
}
/**
* Sets up the environment for the test fixture.
* <p>
* Creates a new
* {@link com.android.bookmarkprovider.tests.utils.MockContentResolver2}, a new IsolatedContext
* that isolates the provider's file operations, and a new instance of
* the provider under test within the isolated environment.
* </p>
*
* @throws Exception
*/
@Override
protected void setUp() throws Exception {
super.setUp();
mResolver = new MockContentResolver2();
RenamingDelegatingContext targetContextWrapper = new
RenamingDelegatingContext(
new MockContext2(), // The context that most methods are
//delegated to
getContext(), // The context that file methods are delegated to
FILENAME_PREFIX);
// The default IsolatedContext has a mock AccountManager that doesn't
// work for us, so override getSystemService to always return null
mProviderContext = new IsolatedContext(mResolver, targetContextWrapper) {
@Override
public Object getSystemService(String name) {
return null;
}
};
mProvider = mProviderClass.newInstance();
ProviderInfo info = new ProviderInfo();
info.authority = BROWSER_AUTHORITIES;
mProvider.attachInfoForTesting(mProviderContext, info);
assertNotNull(mProvider);
for (String auth : mProviderAuthority) {
mResolver.addProvider(auth, getProvider());
}
}
/**
* Tears down the environment for the test fixture.
* <p>
* Calls {@link android.content.ContentProvider#shutdown()} on the
* {@link android.content.ContentProvider} represented by mProvider.
*/
@Override
protected void tearDown() throws Exception {
mProvider.shutdown();
super.tearDown();
}
/**
* Gets the {@link MockContentResolver2} created by this class during initialization. You
* must use the methods of this resolver to access the provider under test.
*
* @return A {@link MockContentResolver2} instance.
*/
public MockContentResolver2 getMockContentResolver() {
return mResolver;
}
/**
* Gets the {@link IsolatedContext} created by this class during initialization.
* @return The {@link IsolatedContext} instance
*/
public IsolatedContext getMockContext() {
return mProviderContext;
}
public void registerContentObserver(Uri uri, boolean notifyForDescendents,
ContentObserver observer) {
mResolver.safeRegisterContentObserver(uri, notifyForDescendents, observer);
}
public void unregisterContentObserver(ContentObserver observer) {
mResolver.safeUnregisterContentObserver(observer);
}
}
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