| /* |
| * Copyright 2018 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 androidx.recyclerview.widget; |
| |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| |
| import android.support.test.filters.SmallTest; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| @RunWith(JUnit4.class) |
| @SmallTest |
| public class BatchingListUpdateCallbackTest { |
| BatchingListUpdateCallback mBatching; |
| ListUpdateCallback mCallback; |
| |
| @Before |
| public void setup() { |
| mCallback = mock(ListUpdateCallback.class); |
| mBatching = new BatchingListUpdateCallback(mCallback); |
| } |
| |
| @Test |
| public void addSimple() { |
| mBatching.onInserted(3, 2); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onInserted(3, 2); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void addToSamePos() { |
| mBatching.onInserted(3, 2); |
| mBatching.onInserted(3, 1); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onInserted(3, 3); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void addInsidePrevious() { |
| mBatching.onInserted(3, 5); |
| mBatching.onInserted(5, 1); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onInserted(3, 6); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void addBefore() { |
| mBatching.onInserted(3, 5); |
| mBatching.onInserted(2, 1); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onInserted(3, 5); |
| verify(mCallback).onInserted(2, 1); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void removeSimple() { |
| mBatching.onRemoved(3, 2); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onRemoved(3, 2); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void removeSamePosition() { |
| mBatching.onRemoved(3, 2); |
| mBatching.onRemoved(3, 1); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onRemoved(3, 3); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void removeInside() { |
| mBatching.onRemoved(3, 5); |
| mBatching.onRemoved(4, 2); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onRemoved(3, 5); |
| verify(mCallback).onRemoved(4, 2); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void removeBefore() { |
| mBatching.onRemoved(3, 2); |
| mBatching.onRemoved(2, 1); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onRemoved(2, 3); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void removeBefore2() { |
| mBatching.onRemoved(3, 2); |
| mBatching.onRemoved(2, 4); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onRemoved(2, 6); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void removeBefore3() { |
| mBatching.onRemoved(3, 2); |
| mBatching.onRemoved(1, 1); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onRemoved(3, 2); |
| verify(mCallback).onRemoved(1, 1); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void moveSimple() { |
| mBatching.onMoved(3, 2); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onMoved(3, 2); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void moveTwice() { |
| mBatching.onMoved(3, 2); |
| mBatching.onMoved(5, 6); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onMoved(3, 2); |
| verify(mCallback).onMoved(5, 6); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeSimple() { |
| mBatching.onChanged(3, 2, null); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(3, 2, null); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeConsecutive() { |
| mBatching.onChanged(3, 2, null); |
| mBatching.onChanged(5, 2, null); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(3, 4, null); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeTheSame() { |
| mBatching.onChanged(3, 2, null); |
| mBatching.onChanged(4, 2, null); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(3, 3, null); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeTheSame2() { |
| mBatching.onChanged(3, 2, null); |
| mBatching.onChanged(3, 2, null); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(3, 2, null); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeBefore() { |
| mBatching.onChanged(3, 2, null); |
| mBatching.onChanged(2, 1, null); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(2, 3, null); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeBeforeOverlap() { |
| mBatching.onChanged(3, 2, null); |
| mBatching.onChanged(2, 2, null); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(2, 3, null); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeSimpleWithPayload() { |
| Object payload = new Object(); |
| mBatching.onChanged(3, 2, payload); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(3, 2, payload); |
| } |
| |
| @Test |
| public void changeConsecutiveWithPayload() { |
| Object payload = new Object(); |
| mBatching.onChanged(3, 2, payload); |
| mBatching.onChanged(5, 2, payload); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(3, 4, payload); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeTheSameWithPayload() { |
| Object payload = new Object(); |
| mBatching.onChanged(3, 2, payload); |
| mBatching.onChanged(4, 2, payload); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(3, 3, payload); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeTheSame2WithPayload() { |
| Object payload = new Object(); |
| mBatching.onChanged(3, 2, payload); |
| mBatching.onChanged(3, 2, payload); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(3, 2, payload); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeBeforeWithPayload() { |
| Object payload = new Object(); |
| mBatching.onChanged(3, 2, payload); |
| mBatching.onChanged(2, 1, payload); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(2, 3, payload); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeBeforeOverlapWithPayload() { |
| Object payload = new Object(); |
| mBatching.onChanged(3, 2, payload); |
| mBatching.onChanged(2, 2, payload); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(2, 3, payload); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeWithNewPayload() { |
| Object payload1 = new Object(); |
| Object payload2 = new Object(); |
| mBatching.onChanged(3, 2, payload1); |
| mBatching.onChanged(2, 2, payload2); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(3, 2, payload1); |
| verify(mCallback).onChanged(2, 2, payload2); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeWithEmptyPayload() { |
| Object payload = new Object(); |
| mBatching.onChanged(3, 2, payload); |
| mBatching.onChanged(2, 2, null); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(3, 2, payload); |
| verify(mCallback).onChanged(2, 2, null); |
| verifyNoMoreInteractions(mCallback); |
| } |
| |
| @Test |
| public void changeWithEmptyPayload2() { |
| Object payload = new Object(); |
| mBatching.onChanged(3, 2, null); |
| mBatching.onChanged(2, 2, payload); |
| mBatching.dispatchLastEvent(); |
| verify(mCallback).onChanged(3, 2, null); |
| verify(mCallback).onChanged(2, 2, payload); |
| verifyNoMoreInteractions(mCallback); |
| } |
| } |