| /* |
| * 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 android.database; |
| |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import android.content.Context; |
| import android.database.sqlite.SQLiteDatabase; |
| import android.database.sqlite.SQLiteDatabaseConfiguration; |
| import android.database.sqlite.SQLiteDebug; |
| import android.database.sqlite.SQLiteOpenHelper; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.util.Log; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Tests for {@link SQLiteOpenHelper} |
| * |
| * <p>Run with: bit FrameworksCoreTests:android.database.SQLiteOpenHelperTest |
| */ |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class SQLiteOpenHelperTest { |
| private static final String TAG = "SQLiteOpenHelperTest"; |
| |
| private TestHelper mTestHelper; |
| private Context mContext; |
| private List<SQLiteOpenHelper> mHelpersToClose; |
| |
| private static class TestHelper extends SQLiteOpenHelper { |
| TestHelper(Context context) { // In-memory |
| super(context, null, null, 1); |
| } |
| |
| TestHelper(Context context, String name) { |
| super(context, name, null, 1); |
| } |
| |
| @Override |
| public void onCreate(SQLiteDatabase db) { |
| } |
| |
| @Override |
| public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { |
| } |
| } |
| |
| @Before |
| public void setup() { |
| mContext = InstrumentationRegistry.getContext(); |
| mTestHelper = new TestHelper(mContext, "openhelper_test"); |
| mHelpersToClose = new ArrayList<>(); |
| mHelpersToClose.add(mTestHelper); |
| } |
| |
| @After |
| public void teardown() { |
| for (SQLiteOpenHelper helper : mHelpersToClose) { |
| try { |
| helper.close(); |
| if (mTestHelper.getDatabaseName() != null) { |
| SQLiteDatabase.deleteDatabase( |
| mContext.getDatabasePath(mTestHelper.getDatabaseName())); |
| } |
| } catch (RuntimeException ex) { |
| Log.w(TAG, "Error occured when closing db helper " + helper, ex); |
| } |
| } |
| } |
| |
| @Test |
| public void testLookasideDefault() throws Exception { |
| assertNotNull(mTestHelper.getWritableDatabase()); |
| verifyLookasideStats(false); |
| } |
| |
| @Test |
| public void testLookasideDisabled() throws Exception { |
| mTestHelper.setLookasideConfig(0, 0); |
| assertNotNull(mTestHelper.getWritableDatabase()); |
| verifyLookasideStats(true); |
| } |
| |
| @Test |
| public void testInMemoryLookasideDisabled() throws Exception { |
| TestHelper memHelper = new TestHelper(mContext); |
| mHelpersToClose.add(memHelper); |
| memHelper.setLookasideConfig(0, 0); |
| assertNotNull(memHelper.getWritableDatabase()); |
| verifyLookasideStats(SQLiteDatabaseConfiguration.MEMORY_DB_PATH, true); |
| } |
| |
| @Test |
| public void testInMemoryLookasideDefault() throws Exception { |
| TestHelper memHelper = new TestHelper(mContext); |
| mHelpersToClose.add(memHelper); |
| assertNotNull(memHelper.getWritableDatabase()); |
| verifyLookasideStats(SQLiteDatabaseConfiguration.MEMORY_DB_PATH, false); |
| } |
| |
| @Test |
| public void testSetLookasideConfigValidation() { |
| try { |
| mTestHelper.setLookasideConfig(-1, 0); |
| fail("Negative slot size should be rejected"); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| mTestHelper.setLookasideConfig(0, -10); |
| fail("Negative slot count should be rejected"); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| mTestHelper.setLookasideConfig(1, 0); |
| fail("Illegal config should be rejected"); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| mTestHelper.setLookasideConfig(0, 1); |
| fail("Illegal config should be rejected"); |
| } catch (IllegalArgumentException expected) { |
| } |
| } |
| |
| private void verifyLookasideStats(boolean expectDisabled) { |
| verifyLookasideStats(mTestHelper.getDatabaseName(), expectDisabled); |
| } |
| |
| private static void verifyLookasideStats(String dbName, boolean expectDisabled) { |
| boolean dbStatFound = false; |
| SQLiteDebug.PagerStats info = SQLiteDebug.getDatabaseInfo(); |
| for (SQLiteDebug.DbStats dbStat : info.dbStats) { |
| if (dbStat.dbName.endsWith(dbName)) { |
| dbStatFound = true; |
| Log.i(TAG, "Lookaside for " + dbStat.dbName + " " + dbStat.lookaside); |
| if (expectDisabled) { |
| assertTrue("lookaside slots count should be zero", dbStat.lookaside == 0); |
| } else { |
| assertTrue("lookaside slots count should be greater than zero", |
| dbStat.lookaside > 0); |
| } |
| } |
| } |
| assertTrue("No dbstat found for " + dbName, dbStatFound); |
| } |
| } |