| /* |
| * Copyright (C) 2021 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.util.condition; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| |
| import android.testing.AndroidTestingRunner; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import com.android.systemui.SysuiTestCase; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @SmallTest |
| @RunWith(AndroidTestingRunner.class) |
| public class ConditionTest extends SysuiTestCase { |
| private FakeCondition mCondition; |
| |
| @Before |
| public void setup() { |
| mCondition = spy(new FakeCondition()); |
| } |
| |
| @Test |
| public void addCallback_addFirstCallback_triggerStart() { |
| final Condition.Callback callback = mock(Condition.Callback.class); |
| mCondition.addCallback(callback); |
| verify(mCondition).start(); |
| } |
| |
| @Test |
| public void addCallback_addMultipleCallbacks_triggerStartOnlyOnce() { |
| final Condition.Callback callback1 = mock(Condition.Callback.class); |
| final Condition.Callback callback2 = mock(Condition.Callback.class); |
| final Condition.Callback callback3 = mock(Condition.Callback.class); |
| |
| mCondition.addCallback(callback1); |
| mCondition.addCallback(callback2); |
| mCondition.addCallback(callback3); |
| |
| verify(mCondition, times(1)).start(); |
| } |
| |
| @Test |
| public void addCallback_alreadyStarted_triggerUpdate() { |
| final Condition.Callback callback1 = mock(Condition.Callback.class); |
| mCondition.addCallback(callback1); |
| |
| mCondition.fakeUpdateCondition(true); |
| |
| final Condition.Callback callback2 = mock(Condition.Callback.class); |
| mCondition.addCallback(callback2); |
| verify(callback2).onConditionChanged(mCondition); |
| assertThat(mCondition.isConditionMet()).isTrue(); |
| } |
| |
| @Test |
| public void removeCallback_removeLastCallback_triggerStop() { |
| final Condition.Callback callback = mock(Condition.Callback.class); |
| mCondition.addCallback(callback); |
| verify(mCondition, never()).stop(); |
| |
| mCondition.removeCallback(callback); |
| verify(mCondition).stop(); |
| } |
| |
| @Test |
| public void updateCondition_falseToTrue_reportTrue() { |
| mCondition.fakeUpdateCondition(false); |
| |
| final Condition.Callback callback = mock(Condition.Callback.class); |
| mCondition.addCallback(callback); |
| |
| mCondition.fakeUpdateCondition(true); |
| verify(callback).onConditionChanged(eq(mCondition)); |
| assertThat(mCondition.isConditionMet()).isTrue(); |
| } |
| |
| @Test |
| public void updateCondition_trueToFalse_reportFalse() { |
| mCondition.fakeUpdateCondition(true); |
| |
| final Condition.Callback callback = mock(Condition.Callback.class); |
| mCondition.addCallback(callback); |
| |
| mCondition.fakeUpdateCondition(false); |
| verify(callback).onConditionChanged(eq(mCondition)); |
| assertThat(mCondition.isConditionMet()).isFalse(); |
| } |
| |
| @Test |
| public void updateCondition_trueToTrue_reportNothing() { |
| mCondition.fakeUpdateCondition(true); |
| |
| final Condition.Callback callback = mock(Condition.Callback.class); |
| mCondition.addCallback(callback); |
| |
| mCondition.fakeUpdateCondition(true); |
| verify(callback, never()).onConditionChanged(eq(mCondition)); |
| } |
| |
| @Test |
| public void updateCondition_falseToFalse_reportNothing() { |
| mCondition.fakeUpdateCondition(false); |
| |
| final Condition.Callback callback = mock(Condition.Callback.class); |
| mCondition.addCallback(callback); |
| |
| mCondition.fakeUpdateCondition(false); |
| verify(callback, never()).onConditionChanged(eq(mCondition)); |
| } |
| } |