Merge "Add a settings for notification history"

tests/robotests/src/com/android/settings/notification/NotificationHistoryPreferenceControllerTest.java

@@ -0,0 +1,139 @@
+/*
+ * 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.notification;
+
+import static android.provider.Settings.Secure.NOTIFICATION_HISTORY_ENABLED;
+
+import static com.android.settings.notification.NotificationHistoryPreferenceController.OFF;
+import static com.android.settings.notification.NotificationHistoryPreferenceController.ON;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class NotificationHistoryPreferenceControllerTest {
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private PreferenceScreen mScreen;
+
+    private NotificationHistoryPreferenceController mController;
+    private Preference mPreference;
+
+    private static final String KEY = "notification_history";
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mController = new NotificationHistoryPreferenceController(mContext, KEY);
+        mPreference = new Preference(RuntimeEnvironment.application);
+        mPreference.setKey(mController.getPreferenceKey());
+        when(mScreen.findPreference(mPreference.getKey())).thenReturn(mPreference);
+    }
+
+    @Test
+    public void testIsVisible() {
+        mController.displayPreference(mScreen);
+
+        assertThat(mPreference.isVisible()).isTrue();
+    }
+
+    @Test
+    public void updateState_preferenceSetCheckedWhenSettingIsOn() {
+        final TwoStatePreference preference = mock(TwoStatePreference.class);
+        final Context context = RuntimeEnvironment.application;
+        Settings.Secure.putInt(context.getContentResolver(), NOTIFICATION_HISTORY_ENABLED, ON);
+
+        mController = new NotificationHistoryPreferenceController(context, KEY);
+        mController.updateState(preference);
+
+        verify(preference).setChecked(true);
+    }
+
+    @Test
+    public void updateState_preferenceSetUncheckedWhenSettingIsOff() {
+        final TwoStatePreference preference = mock(TwoStatePreference.class);
+        final Context context = RuntimeEnvironment.application;
+        Settings.Secure.putInt(context.getContentResolver(), NOTIFICATION_HISTORY_ENABLED, OFF);
+
+        mController = new NotificationHistoryPreferenceController(context, KEY);
+        mController.updateState(preference);
+
+        verify(preference).setChecked(false);
+    }
+
+    @Test
+    public void isChecked_settingIsOff_shouldReturnFalse() {
+        Settings.Secure.putInt(mContext.getContentResolver(), NOTIFICATION_HISTORY_ENABLED, OFF);
+
+        assertThat(mController.isChecked()).isFalse();
+    }
+
+    @Test
+    public void isChecked_settingIsOn_shouldReturnTrue() {
+        Settings.Secure.putInt(mContext.getContentResolver(), NOTIFICATION_HISTORY_ENABLED, ON);
+
+        assertThat(mController.isChecked()).isTrue();
+    }
+
+    @Test
+    public void setChecked_setFalse_disablesSetting() {
+        Settings.Secure.putInt(mContext.getContentResolver(), NOTIFICATION_HISTORY_ENABLED, ON);
+
+        mController.setChecked(false);
+        int updatedValue = Settings.Secure.getInt(mContext.getContentResolver(),
+                NOTIFICATION_HISTORY_ENABLED, -1);
+
+        assertThat(updatedValue).isEqualTo(OFF);
+    }
+
+    @Test
+    public void setChecked_setTrue_enablesSetting() {
+        Settings.Secure.putInt(mContext.getContentResolver(), NOTIFICATION_HISTORY_ENABLED, OFF);
+
+        mController.setChecked(true);
+        int updatedValue = Settings.Secure.getInt(mContext.getContentResolver(),
+                NOTIFICATION_HISTORY_ENABLED, -1);
+
+        assertThat(updatedValue).isEqualTo(ON);
+    }
+
+    @Test
+    public void isSliceable_returnsFalse() {
+        assertThat(mController.isSliceable()).isFalse();
+    }
+}