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/*
* Copyright (C) 2017 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.systemui;
import static org.mockito.Mockito.mock;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.Log;
public class TestableDependency extends Dependency {
private static final String TAG = "TestableDependency";
private final ArrayMap<Object, Object> mObjs = new ArrayMap<>();
private final ArraySet<Object> mInstantiatedObjects = new ArraySet<>();
private final Dependency mParent;
public TestableDependency(Dependency parent) {
mParent = parent;
}
public <T> T injectMockDependency(Class<T> cls) {
final T mock = mock(cls);
injectTestDependency(cls, mock);
return mock;
}
public <T> void injectTestDependency(DependencyKey<T> key, T obj) {
mObjs.put(key, obj);
}
public <T> void injectTestDependency(Class<T> key, T obj) {
if (mInstantiatedObjects.contains(key)) {
Log.d(TAG, key + " was already initialized but overriding with testDependency.");
}
mObjs.put(key, obj);
}
@Override
public <T> T createDependency(Object key) {
if (mObjs.containsKey(key)) return (T) mObjs.get(key);
mInstantiatedObjects.add(key);
return mParent.createDependency(key);
}
public <T> boolean hasInstantiatedDependency(Class<T> key) {
return mObjs.containsKey(key) || mInstantiatedObjects.contains(key);
}
}
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