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Merge "Switch PackageStatusStorage to XML-based storage" am: 4e77ae6d1a am: 4a7e3de5e7

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am: c1bf6505c8

Change-Id: I3342b515252fd5169a59b5b7d93d1d109036445c
This commit is contained in:
Neil Fuller
2017-06-28 17:28:11 +00:00
committed by android-build-merger
parent c567b16604 c1bf6505c8
commit 77fb4c5b0e
4 changed files with 266 additions and 213 deletions
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436
services/core/java/com/android/server/timezone/PackageStatusStorage.java
View File

@@ -16,73 +16,83 @@
package com.android.server.timezone;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import com.android.internal.util.FastXmlSerializer;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlSerializer;
import android.util.AtomicFile;
import android.util.Slog;
import android.util.Xml;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.text.ParseException;
import static com.android.server.timezone.PackageStatus.CHECK_COMPLETED_FAILURE;
import static com.android.server.timezone.PackageStatus.CHECK_COMPLETED_SUCCESS;
import static com.android.server.timezone.PackageStatus.CHECK_STARTED;
import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT;
import static org.xmlpull.v1.XmlPullParser.START_TAG;
/**
* Storage logic for accessing/mutating the Android system's persistent state related to time zone
* update checking. There is expected to be a single instance and all methods synchronized on
* {@code this} for thread safety.
* update checking. There is expected to be a single instance. All non-private methods are thread
* safe.
*/
final class PackageStatusStorage {
private static final String TAG = "timezone.PackageStatusStorage";
private static final String LOG_TAG = "timezone.PackageStatusStorage";
private static final String DATABASE_NAME = "timezonepackagestatus.db";
private static final int DATABASE_VERSION = 1;
/** The table name. It will have a single row with _id == {@link #SINGLETON_ID} */
private static final String TABLE = "status";
private static final String COLUMN_ID = "_id";
private static final String TAG_PACKAGE_STATUS = "PackageStatus";
/**
* Column that stores a monotonically increasing lock ID, used to detect concurrent update
* Attribute that stores a monotonically increasing lock ID, used to detect concurrent update
* issues without on-line locks. Incremented on every write.
*/
private static final String COLUMN_OPTIMISTIC_LOCK_ID = "optimistic_lock_id";
private static final String ATTRIBUTE_OPTIMISTIC_LOCK_ID = "optimisticLockId";
/**
* Column that stores the current "check status" of the time zone update application packages.
* Attribute that stores the current "check status" of the time zone update application
* packages.
*/
private static final String COLUMN_CHECK_STATUS = "check_status";
private static final String ATTRIBUTE_CHECK_STATUS = "checkStatus";
/**
* Column that stores the version of the time zone rules update application being checked / last
* checked.
* Attribute that stores the version of the time zone rules update application being checked
* / last checked.
*/
private static final String COLUMN_UPDATE_APP_VERSION = "update_app_package_version";
private static final String ATTRIBUTE_UPDATE_APP_VERSION = "updateAppPackageVersion";
/**
* Column that stores the version of the time zone rules data application being checked / last
* checked.
* Attribute that stores the version of the time zone rules data application being checked
* / last checked.
*/
private static final String COLUMN_DATA_APP_VERSION = "data_app_package_version";
/**
* The ID of the one row.
*/
private static final int SINGLETON_ID = 1;
private static final String ATTRIBUTE_DATA_APP_VERSION = "dataAppPackageVersion";
private static final int UNKNOWN_PACKAGE_VERSION = -1;
private final DatabaseHelper mDatabaseHelper;
private final AtomicFile mPackageStatusFile;
PackageStatusStorage(Context context) {
mDatabaseHelper = new DatabaseHelper(context);
PackageStatusStorage(File storageDir) {
mPackageStatusFile = new AtomicFile(new File(storageDir, "packageStatus.xml"));
if (!mPackageStatusFile.getBaseFile().exists()) {
try {
insertInitialPackageStatus();
} catch (IOException e) {
throw new IllegalStateException(e);
}
}
}
void deleteDatabaseForTests() {
SQLiteDatabase.deleteDatabase(mDatabaseHelper.getDatabaseFile());
void deleteFileForTests() {
synchronized(this) {
mPackageStatusFile.delete();
}
}
/**
@@ -93,48 +103,60 @@ final class PackageStatusStorage {
synchronized (this) {
try {
return getPackageStatusInternal();
} catch (IllegalArgumentException e) {
// This means that data exists in the table but it was bad.
Slog.e(TAG, "Package status invalid, resetting and retrying", e);
} catch (ParseException e) {
// This means that data exists in the file but it was bad.
Slog.e(LOG_TAG, "Package status invalid, resetting and retrying", e);
// Reset the storage so it is in a good state again.
mDatabaseHelper.recoverFromBadData();
return getPackageStatusInternal();
recoverFromBadData(e);
try {
return getPackageStatusInternal();
} catch (ParseException e2) {
throw new IllegalStateException("Recovery from bad file failed", e2);
}
}
}
}
private PackageStatus getPackageStatusInternal() {
String[] columns = {
COLUMN_CHECK_STATUS, COLUMN_UPDATE_APP_VERSION, COLUMN_DATA_APP_VERSION
};
Cursor cursor = mDatabaseHelper.getReadableDatabase()
.query(TABLE, columns, COLUMN_ID + " = ?",
new String[] { Integer.toString(SINGLETON_ID) },
null /* groupBy */, null /* having */, null /* orderBy */);
if (cursor.getCount() != 1) {
Slog.e(TAG, "Unable to find package status from package status row. Rows returned: "
+ cursor.getCount());
return null;
private PackageStatus getPackageStatusInternal() throws ParseException {
try (FileInputStream fis = mPackageStatusFile.openRead()) {
XmlPullParser parser = parseToPackageStatusTag(fis);
Integer checkStatus = getNullableIntAttribute(parser, ATTRIBUTE_CHECK_STATUS);
if (checkStatus == null) {
return null;
}
int updateAppVersion = getIntAttribute(parser, ATTRIBUTE_UPDATE_APP_VERSION);
int dataAppVersion = getIntAttribute(parser, ATTRIBUTE_DATA_APP_VERSION);
return new PackageStatus(checkStatus,
new PackageVersions(updateAppVersion, dataAppVersion));
} catch (IOException e) {
ParseException e2 = new ParseException("Error reading package status", 0);
e2.initCause(e);
throw e2;
}
cursor.moveToFirst();
}
// Determine check status.
if (cursor.isNull(0)) {
// This is normal the first time getPackageStatus() is called, or after
// resetCheckState().
return null;
// Callers should be synchronized(this).
private int recoverFromBadData(Exception cause) {
mPackageStatusFile.delete();
try {
return insertInitialPackageStatus();
} catch (IOException e) {
IllegalStateException fatal = new IllegalStateException(e);
fatal.addSuppressed(cause);
throw fatal;
}
int checkStatus = cursor.getInt(0);
}
// Determine package version.
if (cursor.isNull(1) || cursor.isNull(2)) {
Slog.e(TAG, "Package version information unexpectedly null");
return null;
}
PackageVersions packageVersions = new PackageVersions(cursor.getInt(1), cursor.getInt(2));
/** Insert the initial data, returning the optimistic lock ID */
private int insertInitialPackageStatus() throws IOException {
// Doesn't matter what it is, but we avoid the obvious starting value each time the data
// is reset to ensure that old tokens are unlikely to work.
final int initialOptimisticLockId = (int) System.currentTimeMillis();
return new PackageStatus(checkStatus, packageVersions);
writePackageStatusInternal(null /* status */, initialOptimisticLockId,
null /* packageVersions */);
return initialOptimisticLockId;
}
/**
@@ -147,23 +169,29 @@ final class PackageStatusStorage {
}
synchronized (this) {
Integer optimisticLockId = getCurrentOptimisticLockId();
if (optimisticLockId == null) {
Slog.w(TAG, "Unable to find optimistic lock ID from package status row");
int optimisticLockId;
try {
optimisticLockId = getCurrentOptimisticLockId();
} catch (ParseException e) {
Slog.w(LOG_TAG, "Unable to find optimistic lock ID from package status");
// Recover.
optimisticLockId = mDatabaseHelper.recoverFromBadData();
optimisticLockId = recoverFromBadData(e);
}
int newOptimisticLockId = optimisticLockId + 1;
boolean statusRowUpdated = writeStatusRow(
optimisticLockId, newOptimisticLockId, CHECK_STARTED, currentInstalledVersions);
if (!statusRowUpdated) {
Slog.e(TAG, "Unable to update status to CHECK_STARTED in package status row."
+ " synchronization failure?");
return null;
try {
boolean statusUpdated = writePackageStatusWithOptimisticLockCheck(
optimisticLockId, newOptimisticLockId, CHECK_STARTED,
currentInstalledVersions);
if (!statusUpdated) {
throw new IllegalStateException("Unable to update status to CHECK_STARTED."
+ " synchronization failure?");
}
return new CheckToken(newOptimisticLockId, currentInstalledVersions);
} catch (IOException e) {
throw new IllegalStateException(e);
}
return new CheckToken(newOptimisticLockId, currentInstalledVersions);
}
}
@@ -172,19 +200,25 @@ final class PackageStatusStorage {
*/
void resetCheckState() {
synchronized(this) {
Integer optimisticLockId = getCurrentOptimisticLockId();
if (optimisticLockId == null) {
Slog.w(TAG, "resetCheckState: Unable to find optimistic lock ID from package"
+ " status row");
int optimisticLockId;
try {
optimisticLockId = getCurrentOptimisticLockId();
} catch (ParseException e) {
Slog.w(LOG_TAG, "resetCheckState: Unable to find optimistic lock ID from package"
+ " status");
// Attempt to recover the storage state.
optimisticLockId = mDatabaseHelper.recoverFromBadData();
optimisticLockId = recoverFromBadData(e);
}
int newOptimisticLockId = optimisticLockId + 1;
if (!writeStatusRow(optimisticLockId, newOptimisticLockId,
null /* status */, null /* packageVersions */)) {
Slog.e(TAG, "resetCheckState: Unable to reset package status row,"
+ " newOptimisticLockId=" + newOptimisticLockId);
try {
if (!writePackageStatusWithOptimisticLockCheck(optimisticLockId,
newOptimisticLockId, null /* status */, null /* packageVersions */)) {
throw new IllegalStateException("resetCheckState: Unable to reset package"
+ " status, newOptimisticLockId=" + newOptimisticLockId);
}
} catch (IOException e) {
throw new IllegalStateException(e);
}
}
}
@@ -199,138 +233,146 @@ final class PackageStatusStorage {
int optimisticLockId = checkToken.mOptimisticLockId;
int newOptimisticLockId = optimisticLockId + 1;
int status = succeeded ? CHECK_COMPLETED_SUCCESS : CHECK_COMPLETED_FAILURE;
return writeStatusRow(optimisticLockId, newOptimisticLockId,
status, checkToken.mPackageVersions);
}
}
// Caller should be synchronized(this)
private Integer getCurrentOptimisticLockId() {
final String[] columns = { COLUMN_OPTIMISTIC_LOCK_ID };
final String querySelection = COLUMN_ID + " = ?";
final String[] querySelectionArgs = { Integer.toString(SINGLETON_ID) };
SQLiteDatabase database = mDatabaseHelper.getReadableDatabase();
try (Cursor cursor = database.query(TABLE, columns, querySelection, querySelectionArgs,
null /* groupBy */, null /* having */, null /* orderBy */)) {
if (cursor.getCount() != 1) {
Slog.w(TAG, cursor.getCount() + " rows returned, expected exactly one.");
return null;
try {
return writePackageStatusWithOptimisticLockCheck(optimisticLockId,
newOptimisticLockId, status, checkToken.mPackageVersions);
} catch (IOException e) {
throw new IllegalStateException(e);
}
cursor.moveToFirst();
return cursor.getInt(0);
}
}
// Caller should be synchronized(this)
private boolean writeStatusRow(int optimisticLockId, int newOptimisticLockId, Integer status,
PackageVersions packageVersions) {
// Caller should be synchronized(this).
private int getCurrentOptimisticLockId() throws ParseException {
try (FileInputStream fis = mPackageStatusFile.openRead()) {
XmlPullParser parser = parseToPackageStatusTag(fis);
return getIntAttribute(parser, ATTRIBUTE_OPTIMISTIC_LOCK_ID);
} catch (IOException e) {
ParseException e2 = new ParseException("Unable to read file", 0);
e2.initCause(e);
throw e2;
}
}
/** Returns a parser or throws ParseException, never returns null. */
private static XmlPullParser parseToPackageStatusTag(FileInputStream fis)
throws ParseException {
try {
XmlPullParser parser = Xml.newPullParser();
parser.setInput(fis, StandardCharsets.UTF_8.name());
int type;
while ((type = parser.next()) != END_DOCUMENT) {
final String tag = parser.getName();
if (type == START_TAG && TAG_PACKAGE_STATUS.equals(tag)) {
return parser;
}
}
throw new ParseException("Unable to find " + TAG_PACKAGE_STATUS + " tag", 0);
} catch (XmlPullParserException e) {
throw new IllegalStateException("Unable to configure parser", e);
} catch (IOException e) {
ParseException e2 = new ParseException("Error reading XML", 0);
e.initCause(e);
throw e2;
}
}
// Caller should be synchronized(this).
private boolean writePackageStatusWithOptimisticLockCheck(int optimisticLockId,
int newOptimisticLockId, Integer status, PackageVersions packageVersions)
throws IOException {
int currentOptimisticLockId;
try {
currentOptimisticLockId = getCurrentOptimisticLockId();
if (currentOptimisticLockId != optimisticLockId) {
return false;
}
} catch (ParseException e) {
recoverFromBadData(e);
return false;
}
writePackageStatusInternal(status, newOptimisticLockId, packageVersions);
return true;
}
// Caller should be synchronized(this).
private void writePackageStatusInternal(Integer status, int optimisticLockId,
PackageVersions packageVersions) throws IOException {
if ((status == null) != (packageVersions == null)) {
throw new IllegalArgumentException(
"Provide both status and packageVersions, or neither.");
}
SQLiteDatabase database = mDatabaseHelper.getWritableDatabase();
ContentValues values = new ContentValues();
values.put(COLUMN_OPTIMISTIC_LOCK_ID, newOptimisticLockId);
if (status == null) {
values.putNull(COLUMN_CHECK_STATUS);
values.put(COLUMN_UPDATE_APP_VERSION, UNKNOWN_PACKAGE_VERSION);
values.put(COLUMN_DATA_APP_VERSION, UNKNOWN_PACKAGE_VERSION);
} else {
values.put(COLUMN_CHECK_STATUS, status);
values.put(COLUMN_UPDATE_APP_VERSION, packageVersions.mUpdateAppVersion);
values.put(COLUMN_DATA_APP_VERSION, packageVersions.mDataAppVersion);
FileOutputStream fos = null;
try {
fos = mPackageStatusFile.startWrite();
XmlSerializer serializer = new FastXmlSerializer();
serializer.setOutput(fos, StandardCharsets.UTF_8.name());
serializer.startDocument(null /* encoding */, true /* standalone */);
final String namespace = null;
serializer.startTag(namespace, TAG_PACKAGE_STATUS);
String statusAttributeValue = status == null ? "" : Integer.toString(status);
serializer.attribute(namespace, ATTRIBUTE_CHECK_STATUS, statusAttributeValue);
serializer.attribute(namespace, ATTRIBUTE_OPTIMISTIC_LOCK_ID,
Integer.toString(optimisticLockId));
int updateAppVersion = status == null
? UNKNOWN_PACKAGE_VERSION : packageVersions.mUpdateAppVersion;
serializer.attribute(namespace, ATTRIBUTE_UPDATE_APP_VERSION,
Integer.toString(updateAppVersion));
int dataAppVersion = status == null
? UNKNOWN_PACKAGE_VERSION : packageVersions.mDataAppVersion;
serializer.attribute(namespace, ATTRIBUTE_DATA_APP_VERSION,
Integer.toString(dataAppVersion));
serializer.endTag(namespace, TAG_PACKAGE_STATUS);
serializer.endDocument();
serializer.flush();
mPackageStatusFile.finishWrite(fos);
} catch (IOException e) {
if (fos != null) {
mPackageStatusFile.failWrite(fos);
}
throw e;
}
String updateSelection = COLUMN_ID + " = ? AND " + COLUMN_OPTIMISTIC_LOCK_ID + " = ?";
String[] updateSelectionArgs = {
Integer.toString(SINGLETON_ID), Integer.toString(optimisticLockId)
};
int count = database.update(TABLE, values, updateSelection, updateSelectionArgs);
if (count > 1) {
// This has to be because of corruption: there should only ever be one row.
Slog.w(TAG, "writeStatusRow: " + count + " rows updated, expected exactly one.");
// Reset the table.
mDatabaseHelper.recoverFromBadData();
}
// 1 is the success case. 0 rows updated means the row is missing or the optimistic lock ID
// was not as expected, this could be because of corruption but is most likely due to an
// optimistic lock failure. Callers can decide on a case-by-case basis.
return count == 1;
}
/** Only used during tests to force an empty table. */
void deleteRowForTests() {
mDatabaseHelper.getWritableDatabase().delete(TABLE, null, null);
}
/** Only used during tests to force a known table state. */
public void forceCheckStateForTests(int checkStatus, PackageVersions packageVersions) {
int optimisticLockId = getCurrentOptimisticLockId();
writeStatusRow(optimisticLockId, optimisticLockId, checkStatus, packageVersions);
synchronized (this) {
try {
int optimisticLockId = getCurrentOptimisticLockId();
writePackageStatusWithOptimisticLockCheck(optimisticLockId, optimisticLockId,
checkStatus, packageVersions);
} catch (IOException | ParseException e) {
throw new IllegalStateException(e);
}
}
}
static class DatabaseHelper extends SQLiteOpenHelper {
private final Context mContext;
public DatabaseHelper(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
mContext = context;
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL("CREATE TABLE " + TABLE + " (" +
"_id INTEGER PRIMARY KEY," +
COLUMN_OPTIMISTIC_LOCK_ID + " INTEGER NOT NULL," +
COLUMN_CHECK_STATUS + " INTEGER," +
COLUMN_UPDATE_APP_VERSION + " INTEGER NOT NULL," +
COLUMN_DATA_APP_VERSION + " INTEGER NOT NULL" +
");");
insertInitialRowState(db);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int currentVersion) {
// no-op: nothing to upgrade
}
/** Recover the initial data row state, returning the new current optimistic lock ID */
int recoverFromBadData() {
// Delete the table content.
SQLiteDatabase writableDatabase = getWritableDatabase();
writableDatabase.delete(TABLE, null /* whereClause */, null /* whereArgs */);
// Insert the initial content.
return insertInitialRowState(writableDatabase);
}
/** Insert the initial data row, returning the optimistic lock ID */
private static int insertInitialRowState(SQLiteDatabase db) {
// Doesn't matter what it is, but we avoid the obvious starting value each time the row
// is reset to ensure that old tokens are unlikely to work.
final int initialOptimisticLockId = (int) System.currentTimeMillis();
// Insert the one row.
ContentValues values = new ContentValues();
values.put(COLUMN_ID, SINGLETON_ID);
values.put(COLUMN_OPTIMISTIC_LOCK_ID, initialOptimisticLockId);
values.putNull(COLUMN_CHECK_STATUS);
values.put(COLUMN_UPDATE_APP_VERSION, UNKNOWN_PACKAGE_VERSION);
values.put(COLUMN_DATA_APP_VERSION, UNKNOWN_PACKAGE_VERSION);
long id = db.insert(TABLE, null, values);
if (id == -1) {
Slog.w(TAG, "insertInitialRow: could not insert initial row, id=" + id);
return -1;
private static Integer getNullableIntAttribute(XmlPullParser parser, String attributeName)
throws ParseException {
String attributeValue = parser.getAttributeValue(null, attributeName);
try {
if (attributeValue == null) {
throw new ParseException("Attribute " + attributeName + " missing", 0);
} else if (attributeValue.isEmpty()) {
return null;
}
return initialOptimisticLockId;
return Integer.parseInt(attributeValue);
} catch (NumberFormatException e) {
throw new ParseException(
"Bad integer for attributeName=" + attributeName + ": " + attributeValue, 0);
}
}
File getDatabaseFile() {
return mContext.getDatabasePath(DATABASE_NAME);
private static int getIntAttribute(XmlPullParser parser, String attributeName)
throws ParseException {
Integer value = getNullableIntAttribute(parser, attributeName);
if (value == null) {
throw new ParseException("Missing attribute " + attributeName, 0);
}
return value;
}
}

11
services/core/java/com/android/server/timezone/PackageTracker.java
View File

@@ -21,9 +21,12 @@ import com.android.internal.annotations.VisibleForTesting;
import android.app.timezone.RulesUpdaterContract;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.Environment;
import android.provider.TimeZoneRulesDataContract;
import android.util.Slog;
import java.io.File;
/**
* Monitors the installed applications associated with time zone updates. If the app packages are
* updated it indicates there <em>might</em> be a time zone rules update to apply so a targeted
@@ -81,11 +84,17 @@ public class PackageTracker implements IntentHelper.Listener {
/** Creates the {@link PackageTracker} for normal use. */
static PackageTracker create(Context context) {
PackageTrackerHelperImpl helperImpl = new PackageTrackerHelperImpl(context);
// TODO(nfuller): Switch to FileUtils.createDir() when available. http://b/31008728
File storageDir = new File(Environment.getDataSystemDirectory(), "timezone");
if (!storageDir.exists()) {
storageDir.mkdir();
}
return new PackageTracker(
helperImpl /* clock */,
helperImpl /* configHelper */,
helperImpl /* packageManagerHelper */,
new PackageStatusStorage(context),
new PackageStatusStorage(storageDir),
new IntentHelperImpl(context));
}

28
services/tests/servicestests/src/com/android/server/timezone/PackageStatusStorageTest.java
View File

@@ -21,10 +21,11 @@ import org.junit.Before;
import org.junit.Test;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import java.io.File;
import static junit.framework.Assert.assertTrue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
@@ -40,15 +41,16 @@ public class PackageStatusStorageTest {
@Before
public void setUp() throws Exception {
Context context = InstrumentationRegistry.getContext();
File dataDir = context.getFilesDir();
// Using the instrumentation context means the database is created in a test app-specific
// directory.
mPackageStatusStorage = new PackageStatusStorage(context);
mPackageStatusStorage = new PackageStatusStorage(dataDir);
}
@After
public void tearDown() throws Exception {
mPackageStatusStorage.deleteDatabaseForTests();
mPackageStatusStorage.deleteFileForTests();
}
@Test
@@ -90,7 +92,7 @@ public class PackageStatusStorageTest {
}
@Test
public void generateCheckToken_missingRowBehavior() {
public void generateCheckToken_missingFileBehavior() {
// Assert initial state.
assertNull(mPackageStatusStorage.getPackageStatus());
@@ -100,15 +102,15 @@ public class PackageStatusStorageTest {
// There should now be state.
assertNotNull(mPackageStatusStorage.getPackageStatus());
// Corrupt the table by removing the one row.
mPackageStatusStorage.deleteRowForTests();
// Corrupt the data by removing the file.
mPackageStatusStorage.deleteFileForTests();
// Check that generateCheckToken recovers.
assertNotNull(mPackageStatusStorage.generateCheckToken(VALID_PACKAGE_VERSIONS));
}
@Test
public void getPackageStatus_missingRowBehavior() {
public void getPackageStatus_missingFileBehavior() {
// Assert initial state.
assertNull(mPackageStatusStorage.getPackageStatus());
@@ -118,14 +120,14 @@ public class PackageStatusStorageTest {
// There should now be a state.
assertNotNull(mPackageStatusStorage.getPackageStatus());
// Corrupt the table by removing the one row.
mPackageStatusStorage.deleteRowForTests();
// Corrupt the data by removing the file.
mPackageStatusStorage.deleteFileForTests();
assertNull(mPackageStatusStorage.getPackageStatus());
}
@Test
public void markChecked_missingRowBehavior() {
public void markChecked_missingFileBehavior() {
// Assert initial state.
CheckToken token1 = mPackageStatusStorage.generateCheckToken(VALID_PACKAGE_VERSIONS);
assertNotNull(token1);
@@ -133,10 +135,10 @@ public class PackageStatusStorageTest {
// There should now be a state.
assertNotNull(mPackageStatusStorage.getPackageStatus());
// Corrupt the table by removing the one row.
mPackageStatusStorage.deleteRowForTests();
// Corrupt the data by removing the file.
mPackageStatusStorage.deleteFileForTests();
// The missing row should mean token1 is now considered invalid, so we should get a false.
// The missing file should mean token1 is now considered invalid, so we should get a false.
assertFalse(mPackageStatusStorage.markChecked(token1, true /* succeeded */));
// The storage should have recovered and we should be able to carry on like before.

4
services/tests/servicestests/src/com/android/server/timezone/PackageTrackerTest.java
View File

@@ -71,7 +71,7 @@ public class PackageTrackerTest {
// Using the instrumentation context means the database is created in a test app-specific
// directory. We can use the real thing for this test.
mPackageStatusStorage = new PackageStatusStorage(context);
mPackageStatusStorage = new PackageStatusStorage(context.getFilesDir());
// For other interactions with the Android framework we create a fake object.
mFakeIntentHelper = new FakeIntentHelper();
@@ -88,7 +88,7 @@ public class PackageTrackerTest {
@After
public void tearDown() throws Exception {
if (mPackageStatusStorage != null) {
mPackageStatusStorage.deleteDatabaseForTests();
mPackageStatusStorage.deleteFileForTests();
}
}