Examples with MISTQuery edu.snu.mist.client.MISTQuery used on opensource projects

Example 6 with MISTQuery

use of edu.snu.mist.client.MISTQuery in project mist by snuspl.

the class QueryInfoStoreTest method diskStoreTest.

/**
 * Tests whether the PlanStore correctly saves, deletes and loads the operator chain dag.
 * @throws InjectionException
 * @throws IOException
 */
@Test(timeout = 1000)
public void diskStoreTest() throws InjectionException, IOException {
    // Generate a query
    final MISTQueryBuilder queryBuilder = new MISTQueryBuilder();
    queryBuilder.setApplicationId(TestParameters.SUPER_GROUP_ID);
    queryBuilder.socketTextStream(TestParameters.LOCAL_TEXT_SOCKET_SOURCE_CONF).flatMap(s -> Arrays.asList(s.split(" "))).filter(s -> s.startsWith("A")).map(s -> new Tuple2<>(s, 1)).reduceByKey(0, String.class, (Integer x, Integer y) -> x + y).textSocketOutput(TestParameters.HOST, TestParameters.SINK_PORT);
    final MISTQuery query = queryBuilder.build();
    // Jar files
    final List<ByteBuffer> jarFiles = new LinkedList<>();
    final ByteBuffer byteBuffer1 = ByteBuffer.wrap(new byte[] { 0, 1, 0, 1, 1, 1 });
    jarFiles.add(byteBuffer1);
    final JavaConfigurationBuilder jcb = Tang.Factory.getTang().newConfigurationBuilder();
    jcb.bindNamedParameter(DriverHostname.class, DRIVER_HOSTNAME);
    jcb.bindNamedParameter(MasterToDriverPort.class, String.valueOf(DRIVER_PORT));
    final Injector injector = Tang.Factory.getTang().newInjector(jcb.build());
    final QueryInfoStore store = injector.getInstance(QueryInfoStore.class);
    final ApplicationCodeManager applicationCodeManager = injector.getInstance(ApplicationCodeManager.class);
    final ApplicationMap applicationMap = injector.getInstance(ApplicationMap.class);
    final String queryId1 = "testQuery1";
    final String queryId2 = "testQuery2";
    final String tmpFolderPath = injector.getNamedInstance(SharedStorePath.class);
    final File folder = new File(tmpFolderPath);
    // Store jar files
    final List<String> paths = applicationCodeManager.registerNewAppCode(jarFiles).getJarPaths();
    for (int i = 0; i < jarFiles.size(); i++) {
        final ByteBuffer buf = ByteBuffer.allocateDirect(jarFiles.get(i).capacity());
        final String path = paths.get(i);
        final FileInputStream fis = new FileInputStream(path);
        final FileChannel channel = fis.getChannel();
        channel.read(buf);
        Assert.assertEquals(jarFiles.get(i), buf);
    }
    final ApplicationInfo applicationInfo = mock(ApplicationInfo.class);
    when(applicationInfo.getApplicationId()).thenReturn(TestParameters.SUPER_GROUP_ID);
    when(applicationInfo.getJarFilePath()).thenReturn(paths);
    applicationMap.putIfAbsent(TestParameters.SUPER_GROUP_ID, applicationInfo);
    // Generate logical plan
    final Tuple<List<AvroVertex>, List<Edge>> serializedDag = query.getAvroOperatorDag();
    final AvroDag.Builder avroDagBuilder = AvroDag.newBuilder();
    final AvroDag avroDag1 = avroDagBuilder.setAppId(TestParameters.SUPER_GROUP_ID).setQueryId(TestParameters.QUERY_ID).setJarPaths(paths).setAvroVertices(serializedDag.getKey()).setEdges(serializedDag.getValue()).build();
    final AvroDag avroDag2 = avroDagBuilder.setAppId(TestParameters.SUPER_GROUP_ID).setQueryId(TestParameters.QUERY_ID).setJarPaths(paths).setAvroVertices(serializedDag.getKey()).setEdges(serializedDag.getValue()).build();
    // Store the chained dag
    store.saveAvroDag(new Tuple<>(queryId1, avroDag1));
    store.saveAvroDag(new Tuple<>(queryId2, avroDag2));
    while (!(store.isStored(queryId1) && store.isStored(queryId2))) {
    // Wait until the plan is stored
    }
    Assert.assertTrue(new File(tmpFolderPath, queryId1 + ".plan").exists());
    Assert.assertTrue(new File(tmpFolderPath, queryId2 + ".plan").exists());
    // Test stored file
    final AvroDag loadedDag1 = store.load(queryId1);
    Assert.assertEquals(avroDag1.getEdges(), loadedDag1.getEdges());
    Assert.assertEquals(avroDag1.getSchema(), loadedDag1.getSchema());
    testVerticesEqual(avroDag1.getAvroVertices(), loadedDag1.getAvroVertices());
    final AvroDag loadedDag2 = store.load(queryId2);
    Assert.assertEquals(avroDag2.getEdges(), loadedDag2.getEdges());
    Assert.assertEquals(avroDag2.getSchema(), loadedDag2.getSchema());
    testVerticesEqual(avroDag2.getAvroVertices(), loadedDag2.getAvroVertices());
    // Test deletion
    store.delete(queryId1);
    store.delete(queryId2);
    Assert.assertFalse(store.isStored(queryId1));
    Assert.assertFalse(new File(tmpFolderPath, queryId1 + ".plan").exists());
    Assert.assertFalse(store.isStored(queryId2));
    Assert.assertFalse(new File(tmpFolderPath, queryId2 + ".plan").exists());
    for (final String path : paths) {
        Assert.assertFalse(new File(path).exists());
    }
    folder.delete();
}