From da0702a136f04323a897da2c1f73a9151662dda4 Mon Sep 17 00:00:00 2001
From: Yi-Ling Chuang <emilychuang@google.com>
Date: Wed, 17 May 2023 14:48:57 +0800
Subject: [PATCH] Add Battery Information page

Add this page to show battery hardware information, including
manufacture date, first use date and cycle counts.

Bug: 276399056
Test: robotests
Change-Id: Iabad3625c88b703abdab4b30998f385de9749478
---
 res/values/strings.xml                        | 11 ++++
 res/xml/battery_info.xml                      | 45 +++++++++++++
 res/xml/my_device_info.xml                    |  8 +++
 .../core/gateway/SettingsGateway.java         |  4 +-
 ...BatteryCycleCountPreferenceController.java | 49 ++++++++++++++
 ...tteryFirstUseDatePreferenceController.java | 47 ++++++++++++++
 .../batteryinfo/BatteryInfoFragment.java      | 51 +++++++++++++++
 ...ryManufactureDatePreferenceController.java | 47 ++++++++++++++
 ...eryCycleCountPreferenceControllerTest.java | 65 +++++++++++++++++++
 ...yFirstUseDatePreferenceControllerTest.java | 64 ++++++++++++++++++
 ...nufactureDatePreferenceControllerTest.java | 65 +++++++++++++++++++
 11 files changed, 455 insertions(+), 1 deletion(-)
 create mode 100644 res/xml/battery_info.xml
 create mode 100644 src/com/android/settings/deviceinfo/batteryinfo/BatteryCycleCountPreferenceController.java
 create mode 100644 src/com/android/settings/deviceinfo/batteryinfo/BatteryFirstUseDatePreferenceController.java
 create mode 100644 src/com/android/settings/deviceinfo/batteryinfo/BatteryInfoFragment.java
 create mode 100644 src/com/android/settings/deviceinfo/batteryinfo/BatteryManufactureDatePreferenceController.java
 create mode 100644 tests/robotests/src/com/android/settings/deviceinfo/batteryinfo/BatteryCycleCountPreferenceControllerTest.java
 create mode 100644 tests/robotests/src/com/android/settings/deviceinfo/batteryinfo/BatteryFirstUseDatePreferenceControllerTest.java
 create mode 100644 tests/robotests/src/com/android/settings/deviceinfo/batteryinfo/BatteryManufactureDatePreferenceControllerTest.java

diff --git a/res/values/strings.xml b/res/values/strings.xml
index c77edb41a48..42801b057b1 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2641,6 +2641,8 @@
     <string name="build_number">Build number</string>
     <!-- About phone screen, tapping this button will take user to a seperate UI to check Google Play system update [CHAR LIMIT=60] -->
     <string name="module_version">Google Play system update</string>
+    <!-- About phone screen, show a list of battery information  [CHAR LIMIT=60] -->
+    <string name="battery_info">Battery information</string>
 
     <!-- About phone screen, show when a value of some status item is unavailable. -->
     <string name="device_info_not_available">Not available</string>
@@ -2712,6 +2714,14 @@
     <string name="status_serial_number">Serial number</string>
     <!-- About phone, status item title.  How long the device has been running since its last reboot. -->
     <string name="status_up_time">Up time</string>
+
+    <!-- About phone, status item title. The battery manufacture date. [CHAR LIMIT=60]-->
+    <string name="battery_manufacture_date">Manufacture date</string>
+    <!-- About phone, status item title. Date of first use of the battery. [CHAR LIMIT=60]-->
+    <string name="battery_first_use_date">Date of first use</string>
+    <!-- About phone, status item title. Count of battery full charge/discharge cycles [CHAR LIMIT=60]-->
+    <string name="battery_cycle_count">Cycle count</string>
+
     <!-- SD card & phone storage settings summary. Displayed when the total memory usage is being calculated. Will be replaced with a number like "12.3 GB" when finished calucating. [CHAR LIMIT=30] -->
     <string name="memory_calculating_size">Calculating\u2026</string>
 
@@ -7005,6 +7015,7 @@
     <string name="keywords_sim_status_iccid_esim">network, mobile network state, service state, signal strength, mobile network type, roaming, iccid, eid</string>
     <string name="keywords_esim_eid">eid</string>
     <string name="keywords_model_and_hardware">serial number, hardware version</string>
+    <string name="keywords_battery_info">battery info, manufacture date, cycle count, first use</string>
     <string name="keywords_android_version">android security patch level, baseband version, kernel version</string>
     <!-- Search keywords for dark mode settings [CHAR LIMIT=NONE] -->
     <string name="keywords_dark_ui_mode">theme, light, dark, mode, light sensitivity, photophobia, make darker, darken, dark mode, migraine</string>
diff --git a/res/xml/battery_info.xml b/res/xml/battery_info.xml
new file mode 100644
index 00000000000..186b4fe3ebf
--- /dev/null
+++ b/res/xml/battery_info.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2023 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.
+  -->
+
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
+    android:title="@string/battery_info"
+    settings:keywords="@string/keywords_battery_info">
+
+    <Preference
+        android:key="battery_info_manufacture_date"
+        android:title="@string/battery_manufacture_date"
+        android:summary="@string/summary_placeholder"
+        settings:controller="com.android.settings.deviceinfo.batteryinfo.BatteryManufactureDatePreferenceController"
+        settings:enableCopying="true"/>
+
+    <Preference
+        android:key="battery_info_first_use_date"
+        android:title="@string/battery_first_use_date"
+        android:summary="@string/summary_placeholder"
+        settings:controller="com.android.settings.deviceinfo.batteryinfo.BatteryFirstUseDatePreferenceController"
+        settings:enableCopying="true"/>
+
+    <Preference
+        android:key="battery_info_cycle_count"
+        android:title="@string/battery_cycle_count"
+        android:summary="@string/summary_placeholder"
+        settings:controller="com.android.settings.deviceinfo.batteryinfo.BatteryCycleCountPreferenceController"
+        settings:enableCopying="true"/>
+
+</PreferenceScreen>
diff --git a/res/xml/my_device_info.xml b/res/xml/my_device_info.xml
index 4cbe13f1207..6576742e404 100644
--- a/res/xml/my_device_info.xml
+++ b/res/xml/my_device_info.xml
@@ -144,6 +144,14 @@
             android:summary="@string/summary_placeholder"
             android:fragment="com.android.settings.deviceinfo.firmwareversion.FirmwareVersionSettings"
             settings:controller="com.android.settings.deviceinfo.firmwareversion.FirmwareVersionPreferenceController"/>
+
+        <!-- Battery information -->
+        <Preference
+            android:key="battery_info"
+            android:order="43"
+            android:title="@string/battery_info"
+            android:fragment="com.android.settings.deviceinfo.batteryinfo.BatteryInfoFragment"
+            settings:keywords="@string/keywords_battery_info"/>
     </PreferenceCategory>
 
     <PreferenceCategory
diff --git a/src/com/android/settings/core/gateway/SettingsGateway.java b/src/com/android/settings/core/gateway/SettingsGateway.java
index 149d1f40977..b5d12a5258d 100644
--- a/src/com/android/settings/core/gateway/SettingsGateway.java
+++ b/src/com/android/settings/core/gateway/SettingsGateway.java
@@ -94,6 +94,7 @@ import com.android.settings.deviceinfo.PrivateVolumeForget;
 import com.android.settings.deviceinfo.PublicVolumeSettings;
 import com.android.settings.deviceinfo.StorageDashboardFragment;
 import com.android.settings.deviceinfo.aboutphone.MyDeviceInfoFragment;
+import com.android.settings.deviceinfo.batteryinfo.BatteryInfoFragment;
 import com.android.settings.deviceinfo.firmwareversion.FirmwareVersionSettings;
 import com.android.settings.deviceinfo.legal.ModuleLicensesDashboard;
 import com.android.settings.display.AutoBrightnessSettings;
@@ -371,7 +372,8 @@ public class SettingsGateway {
             NfcAndPaymentFragment.class.getName(),
             ColorAndMotionFragment.class.getName(),
             LongBackgroundTasksDetails.class.getName(),
-            RegionalPreferencesEntriesFragment.class.getName()
+            RegionalPreferencesEntriesFragment.class.getName(),
+            BatteryInfoFragment.class.getName()
     };
 
     public static final String[] SETTINGS_FOR_RESTRICTED = {
diff --git a/src/com/android/settings/deviceinfo/batteryinfo/BatteryCycleCountPreferenceController.java b/src/com/android/settings/deviceinfo/batteryinfo/BatteryCycleCountPreferenceController.java
new file mode 100644
index 00000000000..03ffb8e278a
--- /dev/null
+++ b/src/com/android/settings/deviceinfo/batteryinfo/BatteryCycleCountPreferenceController.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2023 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.batteryinfo;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.BatteryManager;
+
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * A controller that manages the information about battery cycle count.
+ */
+public class BatteryCycleCountPreferenceController extends BasePreferenceController {
+
+    public BatteryCycleCountPreferenceController(Context context,
+            String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        final IntentFilter intentFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
+        final Intent batteryStatus = mContext.registerReceiver(null, intentFilter);
+        final int cycleCount = batteryStatus.getIntExtra(BatteryManager.EXTRA_CYCLE_COUNT, -1);
+
+        return Integer.toString(cycleCount);
+    }
+}
diff --git a/src/com/android/settings/deviceinfo/batteryinfo/BatteryFirstUseDatePreferenceController.java b/src/com/android/settings/deviceinfo/batteryinfo/BatteryFirstUseDatePreferenceController.java
new file mode 100644
index 00000000000..6603a51947f
--- /dev/null
+++ b/src/com/android/settings/deviceinfo/batteryinfo/BatteryFirstUseDatePreferenceController.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2023 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.batteryinfo;
+
+import android.content.Context;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.overlay.FeatureFactory;
+
+/**
+ * A controller that manages the information about battery first use date.
+ */
+public class BatteryFirstUseDatePreferenceController extends BasePreferenceController {
+
+    private BatteryInfoFeatureProvider mBatteryInfoFeatureProvider;
+
+    public BatteryFirstUseDatePreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mBatteryInfoFeatureProvider = FeatureFactory.getFactory(
+                context).getBatteryInfoFeatureProvider();
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mBatteryInfoFeatureProvider.isFirstUseDateAvailable()
+                ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        return mBatteryInfoFeatureProvider.getFirstUseDateSummary();
+    }
+}
diff --git a/src/com/android/settings/deviceinfo/batteryinfo/BatteryInfoFragment.java b/src/com/android/settings/deviceinfo/batteryinfo/BatteryInfoFragment.java
new file mode 100644
index 00000000000..1731212fa07
--- /dev/null
+++ b/src/com/android/settings/deviceinfo/batteryinfo/BatteryInfoFragment.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2023 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.batteryinfo;
+
+import android.app.settings.SettingsEnums;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.search.SearchIndexable;
+
+/**
+ * A fragment that shows battery hardware information.
+ */
+@SearchIndexable
+public class BatteryInfoFragment extends DashboardFragment {
+
+    public static final String TAG = "BatteryInfo";
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.SETTINGS_BATTERY_INFORMATION;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.battery_info;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.battery_info);
+}
diff --git a/src/com/android/settings/deviceinfo/batteryinfo/BatteryManufactureDatePreferenceController.java b/src/com/android/settings/deviceinfo/batteryinfo/BatteryManufactureDatePreferenceController.java
new file mode 100644
index 00000000000..51763ce3193
--- /dev/null
+++ b/src/com/android/settings/deviceinfo/batteryinfo/BatteryManufactureDatePreferenceController.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2023 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.batteryinfo;
+
+import android.content.Context;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.overlay.FeatureFactory;
+
+/**
+ * A controller that manages the information about battery manufacture date.
+ */
+public class BatteryManufactureDatePreferenceController extends BasePreferenceController {
+
+    private BatteryInfoFeatureProvider mBatteryInfoFeatureProvider;
+
+    public BatteryManufactureDatePreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mBatteryInfoFeatureProvider = FeatureFactory.getFactory(
+                context).getBatteryInfoFeatureProvider();
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mBatteryInfoFeatureProvider.isManufactureDateAvailable()
+                ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        return mBatteryInfoFeatureProvider.getManufactureDateSummary();
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/batteryinfo/BatteryCycleCountPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/batteryinfo/BatteryCycleCountPreferenceControllerTest.java
new file mode 100644
index 00000000000..621853bee40
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/deviceinfo/batteryinfo/BatteryCycleCountPreferenceControllerTest.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2023 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.batteryinfo;
+
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.BatteryManager;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+@RunWith(RobolectricTestRunner.class)
+public class BatteryCycleCountPreferenceControllerTest {
+    private BatteryCycleCountPreferenceController mController;
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        mController = new BatteryCycleCountPreferenceController(mContext,
+                "battery_info_cycle_count");
+    }
+
+    @Test
+    public void getAvailabilityStatus_returnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void getSummary_returnExpectedResult() {
+        final Intent batteryIntent = new Intent();
+        batteryIntent.putExtra(BatteryManager.EXTRA_CYCLE_COUNT, 10);
+        doReturn(batteryIntent).when(mContext).registerReceiver(any(), any());
+
+        assertThat(mController.getSummary()).isEqualTo("10");
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/batteryinfo/BatteryFirstUseDatePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/batteryinfo/BatteryFirstUseDatePreferenceControllerTest.java
new file mode 100644
index 00000000000..5aad34cf489
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/deviceinfo/batteryinfo/BatteryFirstUseDatePreferenceControllerTest.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2023 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.batteryinfo;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.testutils.FakeFeatureFactory;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+@RunWith(RobolectricTestRunner.class)
+public class BatteryFirstUseDatePreferenceControllerTest {
+    private BatteryFirstUseDatePreferenceController mController;
+    private Context mContext;
+    private FakeFeatureFactory mFactory;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mFactory = FakeFeatureFactory.setupForTest();
+        mController = new BatteryFirstUseDatePreferenceController(mContext,
+                "battery_info_first_use_date");
+    }
+
+    @Test
+    public void getAvailabilityStatus_dateAvailable_returnAvailable() {
+        when(mFactory.mBatteryInfoFeatureProvider.isFirstUseDateAvailable()).thenReturn(true);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_dateUnavailable_returnNotAvailable() {
+        when(mFactory.mBatteryInfoFeatureProvider.isFirstUseDateAvailable()).thenReturn(false);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/batteryinfo/BatteryManufactureDatePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/batteryinfo/BatteryManufactureDatePreferenceControllerTest.java
new file mode 100644
index 00000000000..ed6a99d179f
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/deviceinfo/batteryinfo/BatteryManufactureDatePreferenceControllerTest.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2023 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.batteryinfo;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.testutils.FakeFeatureFactory;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+@RunWith(RobolectricTestRunner.class)
+public class BatteryManufactureDatePreferenceControllerTest {
+
+    private BatteryManufactureDatePreferenceController mController;
+    private Context mContext;
+    private FakeFeatureFactory mFactory;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mFactory = FakeFeatureFactory.setupForTest();
+        mController = new BatteryManufactureDatePreferenceController(mContext,
+                "battery_info_manufacture_date");
+    }
+
+    @Test
+    public void getAvailabilityStatus_dateAvailable_returnAvailable() {
+        when(mFactory.mBatteryInfoFeatureProvider.isManufactureDateAvailable()).thenReturn(true);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_dateUnavailable_returnNotAvailable() {
+        when(mFactory.mBatteryInfoFeatureProvider.isManufactureDateAvailable()).thenReturn(false);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+}