/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.omid.transaction; import static org.testng.Assert.assertEquals; import org.apache.hadoop.hbase.client.Get; import org.apache.hadoop.hbase.client.Put; import org.apache.hadoop.hbase.client.Result; import org.apache.hadoop.hbase.util.Bytes; import org.testng.ITestContext; import org.testng.annotations.Test; @Test(groups = "sharedHBase") public class TestAutoFlush extends OmidTestBase { @Test(timeOut = 10_000) public void testReadWithSeveralUncommitted(ITestContext context) throws Exception { byte[] family = Bytes.toBytes(TEST_FAMILY); byte[] row = Bytes.toBytes("row"); byte[] col = Bytes.toBytes("col1"); byte[] data = Bytes.toBytes("data"); TransactionManager tm = newTransactionManager(context); TTable table = new TTable(connection, TEST_TABLE); // Turn off autoflush table.setAutoFlush(false); Transaction t = tm.begin(); Put put = new Put(row); put.addColumn(family, col, data); table.put(t, put); // Data shouldn't be in DB yet Get get = new Get(row); Result result = table.getHTable().get(get); assertEquals(result.size(), 0, "Writes are already in DB"); //data should be readable within same transaction result = table.get(t,get); assertEquals(result.size(), 1, "Writes should be read by same transaction"); tm.commit(t); // After commit, both the cell and shadow cell should be there. // That's why we check for two elements in the test assertion result = table.getHTable().get(get); assertEquals(result.size(), 2, "Writes were not flushed to DB"); } }