Add TelephonyMonitor debug switch in Developer Options.

Test: make ROBOTEST_FILTER=TelephonyMonitorPreferenceControllerTest
RunSettingsRoboTests -j40

Bug:35206589
Change-Id: I72d89acab95980511a2fd54420fd9d3c5ddaddab

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

@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2017 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 android.content.Context;
+import android.os.SystemProperties;
+import android.support.v14.preference.SwitchPreference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.shadow.SettingsShadowSystemProperties;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowApplication;
+import org.robolectric.shadows.ShadowToast;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class TelephonyMonitorPreferenceControllerTest {
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+    @Mock
+    private PreferenceScreen mScreen;
+    @Mock
+    private SwitchPreference mPreference;
+
+    private TelephonyMonitorPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        SettingsShadowSystemProperties.clear();
+        mController = new TelephonyMonitorPreferenceController(mContext);
+        when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
+        when(mPreference.getKey()).thenReturn(mController.getPreferenceKey());
+    }
+
+    @Config(shadows = {SettingsShadowSystemProperties.class})
+    @Test
+    public void isAvailable_trueShowFlagWithUserdebugBuild_shouldReturnTrue() {
+        when(mContext.getResources().getBoolean(R.bool.config_show_telephony_monitor))
+                .thenReturn(true);
+        SettingsShadowSystemProperties.set(
+                TelephonyMonitorPreferenceController.BUILD_TYPE, "userdebug");
+
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Config(shadows = {SettingsShadowSystemProperties.class})
+    @Test
+    public void isAvailable_trueShowFlagWithEngBuild_shouldReturnTrue() {
+        when(mContext.getResources().getBoolean(R.bool.config_show_telephony_monitor))
+                .thenReturn(true);
+        SettingsShadowSystemProperties.set(
+                TelephonyMonitorPreferenceController.BUILD_TYPE, "eng");
+
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Config(shadows = {SettingsShadowSystemProperties.class})
+    @Test
+    public void isAvailable_trueShowFlagWithUserBuild_shouldReturnFalse() {
+        when(mContext.getResources().getBoolean(R.bool.config_show_telephony_monitor))
+                .thenReturn(true);
+        SettingsShadowSystemProperties.set(
+                TelephonyMonitorPreferenceController.BUILD_TYPE, "user");
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Config(shadows = {SettingsShadowSystemProperties.class})
+    @Test
+    public void isAvailable_falseShowFlagWithUserdebugBuild_shouldReturnFalse() {
+        when(mContext.getResources().getBoolean(R.bool.config_show_telephony_monitor))
+                .thenReturn(false);
+        SettingsShadowSystemProperties.set(
+                TelephonyMonitorPreferenceController.BUILD_TYPE, "userdebug");
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Config(shadows = {SettingsShadowSystemProperties.class})
+    @Test
+    public void isAvailable_falseShowFlagWithEngBuild_shouldReturnFalse() {
+        when(mContext.getResources().getBoolean(R.bool.config_show_telephony_monitor))
+                .thenReturn(false);
+        SettingsShadowSystemProperties.set(
+                TelephonyMonitorPreferenceController.BUILD_TYPE, "eng");
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Config(shadows = {SettingsShadowSystemProperties.class})
+    @Test
+    public void isAvailable_falseShowFlagWithUserBuild_shouldReturnFalse() {
+        when(mContext.getResources().getBoolean(R.bool.config_show_telephony_monitor))
+                .thenReturn(false);
+        SettingsShadowSystemProperties.set(
+                TelephonyMonitorPreferenceController.BUILD_TYPE, "user");
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Config(shadows = {SettingsShadowSystemProperties.class})
+    @Test
+    public void displayPreference_telephonyMonitorEnabled_shouldCheckedPreference() {
+        when(mContext.getResources().getBoolean(R.bool.config_show_telephony_monitor))
+                .thenReturn(true);
+        SettingsShadowSystemProperties.set(
+                TelephonyMonitorPreferenceController.PROPERTY_TELEPHONY_MONITOR, "true");
+        SettingsShadowSystemProperties.set(
+                TelephonyMonitorPreferenceController.BUILD_TYPE, "userdebug");
+
+        mController.displayPreference(mScreen);
+
+        verify(mPreference).setChecked(true);
+    }
+
+    @Config(shadows = {SettingsShadowSystemProperties.class})
+    @Test
+    public void displayPreference_telephonyMonitorDisabled_shouldUncheckedPreference() {
+        when(mContext.getResources().getBoolean(R.bool.config_show_telephony_monitor))
+                .thenReturn(true);
+        SettingsShadowSystemProperties.set(
+                TelephonyMonitorPreferenceController.PROPERTY_TELEPHONY_MONITOR, "false");
+        SettingsShadowSystemProperties.set(
+                TelephonyMonitorPreferenceController.BUILD_TYPE, "userdebug");
+
+        mController.displayPreference(mScreen);
+
+        verify(mPreference).setChecked(false);
+    }
+
+    @Config(shadows = {SettingsShadowSystemProperties.class})
+    @Test
+    public void handlePreferenceTreeClick_preferenceChecked_shouldEnableTelephonyMonitor() {
+        when(mPreference.isChecked()).thenReturn(true);
+
+        when(mContext.getResources().getString(R.string.telephony_monitor_toast))
+                .thenReturn("To apply telephony monitor change, reboot device");
+
+        mController.handlePreferenceTreeClick(mPreference);
+
+        assertThat(SystemProperties.getBoolean(
+                TelephonyMonitorPreferenceController.PROPERTY_TELEPHONY_MONITOR, false)).isTrue();
+    }
+
+    @Config(shadows = {SettingsShadowSystemProperties.class})
+    @Test
+    public void handlePreferenceTreeClick_preferenceUnchecked_shouldDisableTelephonyMonitor() {
+        when(mPreference.isChecked()).thenReturn(false);
+
+        when(mContext.getResources().getString(R.string.telephony_monitor_toast))
+                .thenReturn("To apply telephony monitor change, reboot device");
+
+        mController.handlePreferenceTreeClick(mPreference);
+
+        assertThat(SystemProperties.getBoolean(
+                TelephonyMonitorPreferenceController.PROPERTY_TELEPHONY_MONITOR, false)).isFalse();
+    }
+
+}

tests/robotests/src/com/android/settings/testutils/shadow/SettingsShadowSystemProperties.java

@@ -55,7 +55,6 @@ public class SettingsShadowSystemProperties extends ShadowSystemProperties {
         sValues.put(key, val);
     }
 
-
     @Implementation
     public static String get(String key, String def) {
         String value = sValues.get(key);