[adb-wireless] Add Wireless Debugging Switch in Developer options.

Bug: 111434128
Bug: 119492574

Test: make RunSettingsRoboTests ROBOTEST_FILTER=WirelessDebugging
Change-Id: I188badb43035172642cf235bb27e56d3a1dea169

tests/robotests/src/com/android/settings/development/WirelessDebuggingPreferenceControllerTest.java

@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2020 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.development;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.debug.IAdbManager;
+import android.os.RemoteException;
+import android.provider.Settings.Global;
+
+import androidx.lifecycle.LifecycleOwner;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.testutils.shadow.ShadowUtils;
+import com.android.settings.widget.MasterSwitchPreference;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+import org.junit.After;
+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;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+@RunWith(RobolectricTestRunner.class)
+@Config(shadows = ShadowUtils.class)
+public class WirelessDebuggingPreferenceControllerTest {
+
+    @Mock
+    private PreferenceScreen mScreen;
+    @Mock
+    private MasterSwitchPreference mPreference;
+    @Mock
+    private IAdbManager mAdbManager;
+    @Mock
+    private DevelopmentSettingsDashboardFragment mFragment;
+
+    private WirelessDebuggingPreferenceController mController;
+    private LifecycleOwner mLifecycleOwner;
+    private Lifecycle mLifecycle;
+    private Context mContext;
+    private ContentResolver mContentResolver;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mContentResolver = mContext.getContentResolver();
+        mLifecycleOwner = () -> mLifecycle;
+        mLifecycle = new Lifecycle(mLifecycleOwner);
+        mController = spy(new WirelessDebuggingPreferenceController(mContext, mLifecycle));
+        ReflectionHelpers.setField(mController, "mAdbManager", mAdbManager);
+        when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
+    }
+
+    @After
+    public void tearDown() {
+    }
+
+    @Test
+    public void isAvailable_isAdbWifiSupported_yes_shouldBeTrue() throws RemoteException {
+        when(mAdbManager.isAdbWifiSupported()).thenReturn(true);
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void isAvailable_isAdbWifiSupported_shouldBeFalse() throws RemoteException {
+        when(mAdbManager.isAdbWifiSupported()).thenReturn(false);
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void updateState_adbWifiEnabled_preferenceShouldBeChecked() {
+        Global.putInt(mContentResolver,
+                Global.ADB_WIFI_ENABLED, 1 /* setting enabled */);
+        mController.updateState(mPreference);
+
+        verify(mPreference).setChecked(true);
+    }
+
+    @Test
+    public void updateState_adbWifiDisabled_preferenceShouldNotBeChecked() {
+        Global.putInt(mContentResolver,
+                Global.ADB_WIFI_ENABLED, 0 /* setting disabled */);
+        mController.updateState(mPreference);
+
+        verify(mPreference).setChecked(false);
+    }
+
+    @Test
+    public void onPreferenceChange_turnOn_adbWifiEnabledTrue() {
+        mController.onPreferenceChange(null, true);
+
+        assertThat(Global.getInt(mContentResolver, Global.ADB_WIFI_ENABLED, -1)).isEqualTo(1);
+    }
+}