Merge "HardwareInfoPreferenceControllerTest migrated to JUnit."

tests/unit/src/com/android/settings/deviceinfo/hardwareinfo/HardwareInfoPreferenceControllerTest.java

@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2019 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.deviceinfo.hardwareinfo;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.os.Build;
+import android.os.Looper;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.deviceinfo.HardwareInfoPreferenceController;
+import com.android.settings.testutils.ResourcesUtils;
+
+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 HardwareInfoPreferenceControllerTest {
+
+    private static final String KEY = "device_model";
+
+    private Preference mPreference;
+    private PreferenceScreen mPreferenceScreen;
+    private Context mContext;
+    @Mock
+    private Resources mResources;
+    private HardwareInfoPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        when(mContext.getResources()).thenReturn(mResources);
+        mController = new HardwareInfoPreferenceController(mContext, KEY);
+        mPreference = new Preference(mContext);
+        mPreference.setKey(KEY);
+        if (Looper.myLooper() == null) {
+            Looper.prepare();
+        }
+        final PreferenceManager preferenceManager = new PreferenceManager(mContext);
+        mPreferenceScreen = preferenceManager.createPreferenceScreen(mContext);
+        mPreferenceScreen.addPreference(mPreference);
+    }
+
+    @Test
+    public void isAvailable_returnTrueIfVisible() {
+        final int boolId = ResourcesUtils.getResourcesId(
+                ApplicationProvider.getApplicationContext(), "bool", "config_show_device_model");
+
+        when(mResources.getBoolean(boolId)).thenReturn(true);
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void isAvailable_returnFalseIfNotVisible() {
+        final int boolId = ResourcesUtils.getResourcesId(
+                ApplicationProvider.getApplicationContext(), "bool", "config_show_device_model");
+
+        when(mResources.getBoolean(boolId)).thenReturn(false);
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.UNSUPPORTED_ON_DEVICE);
+    }
+
+    @Test
+    public void updatePreference_summaryShouldContainBuildModel() {
+        mController.updateState(mPreference);
+
+        assertThat(containBuildModel(mPreference.getSummary())).isTrue();
+    }
+
+    private boolean containBuildModel(CharSequence result) {
+        return result.toString().contains(Build.MODEL);
+    }
+}