diff --git a/tests/unit/src/com/android/settings/network/GlobalSettingsChangeListenerTest.java b/tests/unit/src/com/android/settings/network/GlobalSettingsChangeListenerTest.java new file mode 100644 index 00000000000..49cf60b5569 --- /dev/null +++ b/tests/unit/src/com/android/settings/network/GlobalSettingsChangeListenerTest.java @@ -0,0 +1,97 @@ +/* + * Copyright (C) 2020 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.settings.network; + +import static org.mockito.Mockito.doNothing; +import static org.mockito.Mockito.spy; +import static org.mockito.Mockito.times; +import static org.mockito.Mockito.verify; + +import android.content.Context; +import android.os.Looper; +import android.provider.Settings; + +import androidx.lifecycle.Lifecycle; +import androidx.test.core.app.ApplicationProvider; +import androidx.test.ext.junit.runners.AndroidJUnit4; + +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.mockito.Mock; +import org.mockito.MockitoAnnotations; + +@RunWith(AndroidJUnit4.class) +public class GlobalSettingsChangeListenerTest { + + @Mock + private Lifecycle mLifecycle; + + private Context mContext; + private TestListener mTestListener; + + private static final String SETTINGS_FIELD = Settings.Global.AIRPLANE_MODE_ON; + + public class TestListener extends GlobalSettingsChangeListener { + TestListener(Looper looper, Context context, String field) { + super(looper, context, field); + } + @Override + public void onChanged(String field) {} + } + + @Before + public void setUp() { + MockitoAnnotations.initMocks(this); + mContext = spy(ApplicationProvider.getApplicationContext()); + mTestListener = spy(new TestListener(Looper.getMainLooper(), mContext, SETTINGS_FIELD)); + + doNothing().when(mLifecycle).addObserver(mTestListener); + doNothing().when(mLifecycle).removeObserver(mTestListener); + } + + /* + * The method onChange is override from {@link ContentObserver}, and when the content change + * occurs will be called. And the method onChanged is subclass from + * {@link GlobalSettingsChangeListener}, it will be called when the onChange be called. + */ + @Test + public void whenChanged_onChangedBeenCalled() { + mTestListener.onChange(false); + + verify(mTestListener, times(1)).onChanged(SETTINGS_FIELD); + } + + @Test + public void whenNotifyChangeBasedOnLifecycle_onStopEvent_onChangedNotCalled() { + mTestListener.notifyChangeBasedOn(mLifecycle); + mTestListener.onStart(); + + mTestListener.onChange(false); + verify(mTestListener, times(1)).onChanged(SETTINGS_FIELD); + + mTestListener.onStop(); + + mTestListener.onChange(false); + verify(mTestListener, times(1)).onChanged(SETTINGS_FIELD); + + mTestListener.onStart(); + + mTestListener.onChange(false); + verify(mTestListener, times(2)).onChanged(SETTINGS_FIELD); + } +}