| /* |
| * 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.sqlite; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.content.Context; |
| import android.os.HandlerThread; |
| import android.util.Log; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.io.File; |
| |
| /** |
| * Tests for {@link SQLiteConnectionPool} |
| * |
| * <p>Run with: bit FrameworksCoreTests:android.database.sqlite.SQLiteConnectionPoolTest |
| */ |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class SQLiteConnectionPoolTest { |
| private static final String TAG = "SQLiteConnectionPoolTest"; |
| |
| private Context mContext; |
| private File mTestDatabase; |
| private SQLiteDatabaseConfiguration mTestConf; |
| |
| |
| @Before |
| public void setup() { |
| mContext = InstrumentationRegistry.getContext(); |
| SQLiteDatabase db = SQLiteDatabase |
| .openOrCreateDatabase(mContext.getDatabasePath("pool_test"), null); |
| mTestDatabase = new File(db.getPath()); |
| Log.i(TAG, "setup: created " + mTestDatabase); |
| db.close(); |
| mTestConf = new SQLiteDatabaseConfiguration(mTestDatabase.getPath(), 0); |
| } |
| |
| @After |
| public void teardown() { |
| if (mTestDatabase != null) { |
| Log.i(TAG, "teardown: deleting " + mTestDatabase); |
| SQLiteDatabase.deleteDatabase(mTestDatabase); |
| } |
| } |
| |
| @Test |
| public void testCloseIdleConnections() throws InterruptedException { |
| HandlerThread thread = new HandlerThread("test-close-idle-connections-thread"); |
| Log.i(TAG, "Starting " + thread.getName()); |
| thread.start(); |
| SQLiteConnectionPool pool = SQLiteConnectionPool.open(mTestConf); |
| pool.setupIdleConnectionHandler(thread.getLooper(), 100); |
| SQLiteConnection c1 = pool.acquireConnection("pragma user_version", 0, null); |
| assertEquals("First connection should be returned", 0, c1.getConnectionId()); |
| pool.releaseConnection(c1); |
| SQLiteConnection c2 = pool.acquireConnection("pragma user_version", 0, null); |
| assertTrue("Returned connection should be the same", c1 == c2); |
| pool.releaseConnection(c2); |
| Thread.sleep(200); |
| SQLiteConnection c3 = pool.acquireConnection("pragma user_version", 0, null); |
| assertTrue("New connection should be returned", c1 != c3); |
| assertEquals("New connection should be returned", 1, c3.getConnectionId()); |
| pool.releaseConnection(c3); |
| pool.close(); |
| thread.quit(); |
| } |
| } |