Merge "Add test cases for RingVibrationIntensityPreferenceController."

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

@@ -0,0 +1,66 @@
+/*
+ * 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.settings.accessibility;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+
+import android.content.Context;
+import android.os.Vibrator;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+
+/** Tests for {@link RingVibrationIntensityPreferenceController}. */
+@RunWith(RobolectricTestRunner.class)
+public class RingVibrationIntensityPreferenceControllerTest {
+    @Mock
+    private Vibrator mVibrator;
+
+    private RingVibrationIntensityPreferenceController mController;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+
+        final Context mContext = spy(ApplicationProvider.getApplicationContext());
+        doReturn(mVibrator).when(mContext).getSystemService(Vibrator.class);
+        mController = new RingVibrationIntensityPreferenceController(mContext);
+    }
+
+    @Test
+    public void getAvailabilityStatus_available() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void getDefaultIntensity_success() {
+        doReturn(/* toBeReturned= */ 5).when(mVibrator).getDefaultRingVibrationIntensity();
+
+        assertThat(mController.getDefaultIntensity()).isEqualTo(/* expected= */ 5);
+    }
+}