co.cask.tephra.ThriftTransactionSystemTest.java Source code

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Here is the source code for co.cask.tephra.ThriftTransactionSystemTest.java

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/*
 * Copyright  2015 Cask Data, Inc.
 *  
 * 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 co.cask.tephra;

import co.cask.tephra.distributed.TransactionService;
import co.cask.tephra.persist.InMemoryTransactionStateStorage;
import co.cask.tephra.persist.TransactionStateStorage;
import co.cask.tephra.runtime.ConfigModule;
import co.cask.tephra.runtime.DiscoveryModules;
import co.cask.tephra.runtime.TransactionClientModule;
import co.cask.tephra.runtime.TransactionModules;
import co.cask.tephra.runtime.ZKModule;
import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Scopes;
import com.google.inject.util.Modules;
import org.apache.hadoop.conf.Configuration;
import org.apache.twill.internal.zookeeper.InMemoryZKServer;
import org.apache.twill.zookeeper.ZKClientService;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.rules.TemporaryFolder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ThriftTransactionSystemTest extends TransactionSystemTest {
    private static final Logger LOG = LoggerFactory.getLogger(ThriftTransactionSystemTest.class);

    private static InMemoryZKServer zkServer;
    private static ZKClientService zkClientService;
    private static TransactionService txService;
    private static TransactionStateStorage storage;
    private static TransactionSystemClient txClient;

    @ClassRule
    public static TemporaryFolder tmpFolder = new TemporaryFolder();

    @BeforeClass
    public static void start() throws Exception {
        zkServer = InMemoryZKServer.builder().setDataDir(tmpFolder.newFolder()).build();
        zkServer.startAndWait();

        Configuration conf = new Configuration();
        conf.setBoolean(TxConstants.Manager.CFG_DO_PERSIST, false);
        conf.set(TxConstants.Service.CFG_DATA_TX_ZOOKEEPER_QUORUM, zkServer.getConnectionStr());
        conf.set(TxConstants.Service.CFG_DATA_TX_CLIENT_RETRY_STRATEGY, "n-times");
        conf.setInt(TxConstants.Service.CFG_DATA_TX_CLIENT_ATTEMPTS, 1);

        Injector injector = Guice.createInjector(new ConfigModule(conf), new ZKModule(),
                new DiscoveryModules().getDistributedModules(),
                Modules.override(new TransactionModules().getDistributedModules()).with(new AbstractModule() {
                    @Override
                    protected void configure() {
                        bind(TransactionStateStorage.class).to(InMemoryTransactionStateStorage.class)
                                .in(Scopes.SINGLETON);
                    }
                }), new TransactionClientModule());

        zkClientService = injector.getInstance(ZKClientService.class);
        zkClientService.startAndWait();

        // start a tx server
        txService = injector.getInstance(TransactionService.class);
        storage = injector.getInstance(TransactionStateStorage.class);
        txClient = injector.getInstance(TransactionSystemClient.class);
        try {
            LOG.info("Starting transaction service");
            txService.startAndWait();
        } catch (Exception e) {
            LOG.error("Failed to start service: ", e);
        }
    }

    @Before
    public void reset() throws Exception {
        getClient().resetState();
    }

    @AfterClass
    public static void stop() throws Exception {
        txService.stopAndWait();
        storage.stopAndWait();
        zkClientService.stopAndWait();
        zkServer.stopAndWait();
    }

    @Override
    protected TransactionSystemClient getClient() throws Exception {
        return txClient;
    }

    @Override
    protected TransactionStateStorage getStateStorage() throws Exception {
        return storage;
    }
}