Unify the caption preference class naming

Bug: 197695932
Test: make RunSettingsRoboTests
Change-Id: Ice244442ad21e6d9f006d488992e9f58cf5c8fb0

tests/robotests/src/com/android/settings/accessibility/CaptioningPresetControllerTest.java

@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2022 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.accessibility;
+
+import static com.android.settings.accessibility.AccessibilityUtil.State.OFF;
+import static com.android.settings.accessibility.AccessibilityUtil.State.ON;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.provider.Settings;
+import android.util.AttributeSet;
+import android.view.accessibility.CaptioningManager;
+import android.view.accessibility.CaptioningManager.CaptionStyle;
+
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.shadow.api.Shadow;
+import org.robolectric.shadows.ShadowCaptioningManager;
+
+/** Tests for {@link CaptioningPresetController}. */
+@RunWith(RobolectricTestRunner.class)
+public class CaptioningPresetControllerTest {
+
+    @Rule
+    public final MockitoRule mMockitoRule = MockitoJUnit.rule();
+    @Mock
+    private PreferenceScreen mScreen;
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private CaptioningPresetController mController;
+    private PresetPreference mPreference;
+    private ShadowCaptioningManager mShadowCaptioningManager;
+
+    @Before
+    public void setUp() {
+        mController = new CaptioningPresetController(mContext, "captioning_preset");
+        final AttributeSet attributeSet = Robolectric.buildAttributeSet().build();
+        mPreference = new PresetPreference(mContext, attributeSet);
+        when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
+        CaptioningManager captioningManager = mContext.getSystemService(CaptioningManager.class);
+        mShadowCaptioningManager = Shadow.extract(captioningManager);
+    }
+
+    @Test
+    public void getAvailabilityStatus_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void getSummary_defaultValue_shouldReturnWhiteOnBlack() {
+        mController.displayPreference(mScreen);
+
+        assertThat(mPreference.getSummary().toString()).isEqualTo("White on black");
+    }
+
+    @Test
+    public void getSummary_customValue_shouldReturnCustom() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_CAPTIONING_PRESET, CaptionStyle.PRESET_CUSTOM);
+
+        mController.displayPreference(mScreen);
+
+        assertThat(mPreference.getSummary().toString()).isEqualTo("Custom");
+    }
+
+    @Test
+    public void setCustomValue_shouldReturnCustom() {
+        mController.displayPreference(mScreen);
+
+        mPreference.setValue(CaptionStyle.PRESET_CUSTOM);
+
+        assertThat(mPreference.getSummary().toString()).isEqualTo("Custom");
+    }
+
+    @Test
+    public void onValueChanged_shouldSetCaptionEnabled() {
+        mShadowCaptioningManager.setEnabled(false);
+        mController.displayPreference(mScreen);
+
+        mController.onValueChanged(mPreference, CaptionStyle.PRESET_CUSTOM);
+
+        final boolean isCaptionEnabled = Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_CAPTIONING_ENABLED, OFF) == ON;
+        assertThat(isCaptionEnabled).isTrue();
+    }
+}