Don't populate a setting instead of defaulting to 0 when not set.
Currently in CoreSettingsObserver while populating settings, when a
setting is not found, it's value is defaulted to 0. Instead don't
populate the setting when it is not found.
Bug: 34735550
Test: runtest -c com.android.server.am.CoreSettingsObserverTest frameworks-services
Change-Id: I9d231330c6db2636e4aa2f0caae455ddfc3e63a2
diff --git a/services/core/java/com/android/server/am/CoreSettingsObserver.java b/services/core/java/com/android/server/am/CoreSettingsObserver.java
index 73a17c6..160c753 100644
--- a/services/core/java/com/android/server/am/CoreSettingsObserver.java
+++ b/services/core/java/com/android/server/am/CoreSettingsObserver.java
@@ -21,6 +21,9 @@
import android.net.Uri;
import android.os.Bundle;
import android.provider.Settings;
+
+import com.android.internal.annotations.VisibleForTesting;
+
import java.util.HashMap;
import java.util.Map;
@@ -34,11 +37,14 @@
private static final String LOG_TAG = CoreSettingsObserver.class.getSimpleName();
// mapping form property name to its type
- private static final Map<String, Class<?>> sSecureSettingToTypeMap = new HashMap<
+ @VisibleForTesting
+ static final Map<String, Class<?>> sSecureSettingToTypeMap = new HashMap<
String, Class<?>>();
- private static final Map<String, Class<?>> sSystemSettingToTypeMap = new HashMap<
+ @VisibleForTesting
+ static final Map<String, Class<?>> sSystemSettingToTypeMap = new HashMap<
String, Class<?>>();
- private static final Map<String, Class<?>> sGlobalSettingToTypeMap = new HashMap<
+ @VisibleForTesting
+ static final Map<String, Class<?>> sGlobalSettingToTypeMap = new HashMap<
String, Class<?>>();
static {
sSecureSettingToTypeMap.put(Settings.Secure.LONG_PRESS_TIMEOUT, int.class);
@@ -101,51 +107,31 @@
}
}
- private void populateSettings(Bundle snapshot, Map<String, Class<?>> map) {
+ @VisibleForTesting
+ void populateSettings(Bundle snapshot, Map<String, Class<?>> map) {
Context context = mActivityManagerService.mContext;
for (Map.Entry<String, Class<?>> entry : map.entrySet()) {
String setting = entry.getKey();
+ final String value;
+ if (map == sSecureSettingToTypeMap) {
+ value = Settings.Secure.getString(context.getContentResolver(), setting);
+ } else if (map == sSystemSettingToTypeMap) {
+ value = Settings.System.getString(context.getContentResolver(), setting);
+ } else {
+ value = Settings.Global.getString(context.getContentResolver(), setting);
+ }
+ if (value == null) {
+ continue;
+ }
Class<?> type = entry.getValue();
if (type == String.class) {
- final String value;
- if (map == sSecureSettingToTypeMap) {
- value = Settings.Secure.getString(context.getContentResolver(), setting);
- } else if (map == sSystemSettingToTypeMap) {
- value = Settings.System.getString(context.getContentResolver(), setting);
- } else {
- value = Settings.Global.getString(context.getContentResolver(), setting);
- }
snapshot.putString(setting, value);
} else if (type == int.class) {
- final int value;
- if (map == sSecureSettingToTypeMap) {
- value = Settings.Secure.getInt(context.getContentResolver(), setting, 0);
- } else if (map == sSystemSettingToTypeMap) {
- value = Settings.System.getInt(context.getContentResolver(), setting, 0);
- } else {
- value = Settings.Global.getInt(context.getContentResolver(), setting, 0);
- }
- snapshot.putInt(setting, value);
+ snapshot.putInt(setting, Integer.parseInt(value));
} else if (type == float.class) {
- final float value;
- if (map == sSecureSettingToTypeMap) {
- value = Settings.Secure.getFloat(context.getContentResolver(), setting, 0);
- } else if (map == sSystemSettingToTypeMap) {
- value = Settings.System.getFloat(context.getContentResolver(), setting, 0);
- } else {
- value = Settings.Global.getFloat(context.getContentResolver(), setting, 0);
- }
- snapshot.putFloat(setting, value);
+ snapshot.putFloat(setting, Float.parseFloat(value));
} else if (type == long.class) {
- final long value;
- if (map == sSecureSettingToTypeMap) {
- value = Settings.Secure.getLong(context.getContentResolver(), setting, 0);
- } else if (map == sSystemSettingToTypeMap) {
- value = Settings.System.getLong(context.getContentResolver(), setting, 0);
- } else {
- value = Settings.Global.getLong(context.getContentResolver(), setting, 0);
- }
- snapshot.putLong(setting, value);
+ snapshot.putLong(setting, Long.parseLong(value));
}
}
}
diff --git a/services/tests/servicestests/src/com/android/server/am/CoreSettingsObserverTest.java b/services/tests/servicestests/src/com/android/server/am/CoreSettingsObserverTest.java
new file mode 100644
index 0000000..19defe1
--- /dev/null
+++ b/services/tests/servicestests/src/com/android/server/am/CoreSettingsObserverTest.java
@@ -0,0 +1,153 @@
+/*
+ * 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.server.am;
+
+import static com.android.server.am.ActivityManagerService.Injector;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.os.Handler;
+import android.provider.Settings;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+import android.test.mock.MockContentResolver;
+
+import com.android.internal.util.test.FakeSettingsProvider;
+import com.android.server.AppOpsService;
+
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.io.File;
+
+/**
+ * Test class for {@link CoreSettingsObserver}.
+ *
+ * To run the tests, use
+ *
+ * runtest -c com.android.server.am.CoreSettingsObserverTest frameworks-services
+ *
+ * or the following steps:
+ *
+ * Build: m FrameworksServicesTests
+ * Install: adb install -r \
+ * ${ANDROID_PRODUCT_OUT}/data/app/FrameworksServicesTests/FrameworksServicesTests.apk
+ * Run: adb shell am instrument -e class com.android.server.am.CoreSettingsObserverTest -w \
+ * com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner
+ */
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class CoreSettingsObserverTest {
+ private static final String TEST_SETTING_SECURE_INT = "secureInt";
+ private static final String TEST_SETTING_GLOBAL_FLOAT = "globalFloat";
+ private static final String TEST_SETTING_SYSTEM_STRING = "systemString";
+
+ private static final int TEST_INT = 111;
+ private static final float TEST_FLOAT = 3.14f;
+ private static final String TEST_STRING = "testString";
+
+ private ActivityManagerService mAms;
+ @Mock private Context mContext;
+
+ private MockContentResolver mContentResolver;
+ private CoreSettingsObserver mCoreSettingsObserver;
+
+ @BeforeClass
+ public static void setupOnce() {
+ CoreSettingsObserver.sSecureSettingToTypeMap.put(TEST_SETTING_SECURE_INT, int.class);
+ CoreSettingsObserver.sGlobalSettingToTypeMap.put(TEST_SETTING_GLOBAL_FLOAT, float.class);
+ CoreSettingsObserver.sSystemSettingToTypeMap.put(TEST_SETTING_SYSTEM_STRING, String.class);
+ }
+
+ @Before
+ public void setUp() {
+ MockitoAnnotations.initMocks(this);
+
+ final Context originalContext = InstrumentationRegistry.getContext();
+ when(mContext.getApplicationInfo()).thenReturn(originalContext.getApplicationInfo());
+ mContentResolver = new MockContentResolver(mContext);
+ mContentResolver.addProvider(Settings.AUTHORITY, new FakeSettingsProvider());
+ when(mContext.getContentResolver()).thenReturn(mContentResolver);
+
+ mAms = new ActivityManagerService(new TestInjector());
+ mCoreSettingsObserver = new CoreSettingsObserver(mAms);
+ }
+
+ @Test
+ public void testPopulateSettings() {
+ Settings.Secure.putInt(mContentResolver, TEST_SETTING_SECURE_INT, TEST_INT);
+ Settings.Global.putFloat(mContentResolver, TEST_SETTING_GLOBAL_FLOAT, TEST_FLOAT);
+ Settings.System.putString(mContentResolver, TEST_SETTING_SYSTEM_STRING, TEST_STRING);
+
+ final Bundle settingsBundle = getPopulatedBundle();
+
+ assertEquals("Unexpected value of " + TEST_SETTING_SECURE_INT,
+ TEST_INT, settingsBundle.getInt(TEST_SETTING_SECURE_INT));
+ assertEquals("Unexpected value of " + TEST_SETTING_GLOBAL_FLOAT,
+ TEST_FLOAT, settingsBundle.getFloat(TEST_SETTING_GLOBAL_FLOAT), 0);
+ assertEquals("Unexpected value of " + TEST_SETTING_SYSTEM_STRING,
+ TEST_STRING, settingsBundle.getString(TEST_SETTING_SYSTEM_STRING));
+ }
+
+ @Test
+ public void testPopulateSettings_settingNotSet() {
+ final Bundle settingsBundle = getPopulatedBundle();
+
+ assertFalse("Bundle should not contain " + TEST_SETTING_SECURE_INT,
+ settingsBundle.containsKey(TEST_SETTING_SECURE_INT));
+ assertFalse("Bundle should not contain " + TEST_SETTING_GLOBAL_FLOAT,
+ settingsBundle.containsKey(TEST_SETTING_GLOBAL_FLOAT));
+ assertFalse("Bundle should not contain " + TEST_SETTING_SYSTEM_STRING,
+ settingsBundle.containsKey(TEST_SETTING_SYSTEM_STRING));
+ }
+
+ private Bundle getPopulatedBundle() {
+ final Bundle settingsBundle = new Bundle();
+ mCoreSettingsObserver.populateSettings(settingsBundle,
+ CoreSettingsObserver.sGlobalSettingToTypeMap);
+ mCoreSettingsObserver.populateSettings(settingsBundle,
+ CoreSettingsObserver.sSecureSettingToTypeMap);
+ mCoreSettingsObserver.populateSettings(settingsBundle,
+ CoreSettingsObserver.sSystemSettingToTypeMap);
+ return settingsBundle;
+ }
+
+ private class TestInjector extends Injector {
+ @Override
+ public Context getContext() {
+ return mContext;
+ }
+
+ public AppOpsService getAppOpsService(File file, Handler handler) {
+ return null;
+ }
+
+ @Override
+ public Handler getUiHandler(ActivityManagerService service) {
+ return null;
+ }
+ }
+}