Add Fast Pair devices "See all" page.

Bug: 296507968
Test: FastPairDeviceGroupControllerTest
Change-Id: I3939f65ac9262673d99e7041df5b9dc04bd43722
diff --git a/tests/robotests/Android.bp b/tests/robotests/Android.bp
index f620348..910bbbd 100644
--- a/tests/robotests/Android.bp
+++ b/tests/robotests/Android.bp
@@ -58,6 +58,9 @@
         "androidx.test.ext.junit",
         "androidx.test.rules",
         "androidx.test.runner",
+        "flag-junit",
+        "aconfig_settings_flags_lib",
+        "platform-test-annotations",
     ],
 
     libs: [
diff --git a/tests/robotests/AndroidManifest.xml b/tests/robotests/AndroidManifest.xml
index e0050ef..22fce4f 100644
--- a/tests/robotests/AndroidManifest.xml
+++ b/tests/robotests/AndroidManifest.xml
@@ -1,7 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ 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.
+-->
+
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
 	  coreApp="true"
           package="com.android.settings">
+    <uses-permission android:name="android.permission.READ_DEVICE_CONFIG" />
 
     <application/>
 
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/fastpair/FastPairDeviceGroupControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/fastpair/FastPairDeviceGroupControllerTest.java
new file mode 100644
index 0000000..bf40bd2
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/connecteddevice/fastpair/FastPairDeviceGroupControllerTest.java
@@ -0,0 +1,157 @@
+/*
+ * 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.connecteddevice.fastpair;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.UNSUPPORTED_ON_DEVICE;
+
+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 static org.mockito.Mockito.verify;
+
+import android.bluetooth.BluetoothAdapter;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.platform.test.annotations.RequiresFlagsDisabled;
+import android.platform.test.annotations.RequiresFlagsEnabled;
+import android.platform.test.flag.junit.CheckFlagsRule;
+import android.platform.test.flag.junit.DeviceFlagsValueProvider;
+
+import androidx.lifecycle.LifecycleOwner;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.flags.Flags;
+import com.android.settings.testutils.FakeFeatureFactory;
+import com.android.settings.testutils.shadow.ShadowBluetoothAdapter;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+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.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadow.api.Shadow;
+
+@RunWith(RobolectricTestRunner.class)
+@Config(shadows = ShadowBluetoothAdapter.class)
+public class FastPairDeviceGroupControllerTest {
+
+    @Rule public final MockitoRule mMockitoRule = MockitoJUnit.rule();
+
+    @Rule
+    public final CheckFlagsRule mCheckFlagsRule = DeviceFlagsValueProvider.createCheckFlagsRule();
+
+    @Mock private DashboardFragment mDashboardFragment;
+    @Mock private FastPairDeviceUpdater mFastPairDeviceUpdater;
+    @Mock private PackageManager mPackageManager;
+    private ShadowBluetoothAdapter mShadowBluetoothAdapter;
+    private Context mContext;
+    private FastPairDeviceGroupController mFastPairDeviceGroupController;
+    private PreferenceGroup mPreferenceGroup;
+    private LifecycleOwner mLifecycleOwner;
+    private Lifecycle mLifecycle;
+
+    @Before
+    public void setUp() {
+        mContext = spy(RuntimeEnvironment.application);
+        mLifecycleOwner = () -> mLifecycle;
+        mLifecycle = new Lifecycle(mLifecycleOwner);
+        doReturn(mContext).when(mDashboardFragment).getContext();
+        doReturn(mPackageManager).when(mContext).getPackageManager();
+        FastPairFeatureProvider provider =
+                FakeFeatureFactory.setupForTest().getFastPairFeatureProvider();
+        doReturn(mFastPairDeviceUpdater).when(provider).getFastPairDeviceUpdater(any(), any());
+        mFastPairDeviceGroupController = new FastPairDeviceGroupController(mContext);
+        mPreferenceGroup = spy(new PreferenceCategory(mContext));
+        mPreferenceGroup.setVisible(false);
+        mFastPairDeviceGroupController.setPreferenceGroup(mPreferenceGroup);
+        mShadowBluetoothAdapter = Shadow.extract(BluetoothAdapter.getDefaultAdapter());
+    }
+
+    @Test
+    @RequiresFlagsEnabled(Flags.FLAG_ENABLE_SUBSEQUENT_PAIR_SETTINGS_INTEGRATION)
+    public void testRegister() {
+        // register the callback in onStart()
+        mFastPairDeviceGroupController.onStart(mLifecycleOwner);
+        verify(mFastPairDeviceUpdater).registerCallback();
+        verify(mContext)
+                .registerReceiver(
+                        mFastPairDeviceGroupController.mReceiver,
+                        mFastPairDeviceGroupController.mIntentFilter,
+                        Context.RECEIVER_EXPORTED);
+    }
+
+    @Test
+    @RequiresFlagsEnabled(Flags.FLAG_ENABLE_SUBSEQUENT_PAIR_SETTINGS_INTEGRATION)
+    public void testUnregister() {
+        // register it first
+        mContext.registerReceiver(
+                mFastPairDeviceGroupController.mReceiver, null, Context.RECEIVER_EXPORTED);
+
+        // unregister the callback in onStop()
+        mFastPairDeviceGroupController.onStop(mLifecycleOwner);
+        verify(mFastPairDeviceUpdater).unregisterCallback();
+        verify(mContext).unregisterReceiver(mFastPairDeviceGroupController.mReceiver);
+    }
+
+    @Test
+    @RequiresFlagsDisabled(Flags.FLAG_ENABLE_SUBSEQUENT_PAIR_SETTINGS_INTEGRATION)
+    public void testGetAvailabilityStatus_noFastPairFeature_returnUnSupported() {
+        doReturn(true).when(mPackageManager).hasSystemFeature(PackageManager.FEATURE_BLUETOOTH);
+
+        assertThat(mFastPairDeviceGroupController.getAvailabilityStatus())
+                .isEqualTo(UNSUPPORTED_ON_DEVICE);
+    }
+
+    @Test
+    @RequiresFlagsEnabled(Flags.FLAG_ENABLE_SUBSEQUENT_PAIR_SETTINGS_INTEGRATION)
+    public void testGetAvailabilityStatus_noBluetoothFeature_returnUnSupported() {
+        doReturn(false).when(mPackageManager).hasSystemFeature(PackageManager.FEATURE_BLUETOOTH);
+
+        assertThat(mFastPairDeviceGroupController.getAvailabilityStatus())
+                .isEqualTo(UNSUPPORTED_ON_DEVICE);
+    }
+
+    @Test
+    @RequiresFlagsEnabled(Flags.FLAG_ENABLE_SUBSEQUENT_PAIR_SETTINGS_INTEGRATION)
+    public void testGetAvailabilityStatus_withBluetoothFastPairFeature_returnSupported() {
+        doReturn(true).when(mPackageManager).hasSystemFeature(PackageManager.FEATURE_BLUETOOTH);
+
+        assertThat(mFastPairDeviceGroupController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    @RequiresFlagsEnabled(Flags.FLAG_ENABLE_SUBSEQUENT_PAIR_SETTINGS_INTEGRATION)
+    public void testUpdatePreferenceVisibility_bluetoothIsDisable_shouldHidePreference() {
+        mShadowBluetoothAdapter.setEnabled(false);
+        Intent intent = new Intent(BluetoothAdapter.ACTION_STATE_CHANGED);
+        mContext.sendBroadcast(intent);
+
+        assertThat(mPreferenceGroup.isVisible()).isFalse();
+    }
+}