Examples with MockMasterServer edu.snu.mist.client.utils.MockMasterServer used on opensource projects

Example 1 with MockMasterServer

use of edu.snu.mist.client.utils.MockMasterServer in project mist by snuspl.

the class MISTDefaultExecutionEnvironmentImplTest method testMISTDefaultExecutionEnvironment.

/**
 * This unit test creates mock jar file, mocking driver, and mocking task and tests
 * whether a test query can be serialized and sent via MISTDefaultExecutionEnvironmentImpl.
 */
@Test
public void testMISTDefaultExecutionEnvironment() throws IOException {
    // Step 1: Launch mock RPC Server
    final Server masterServer = new NettyServer(new SpecificResponder(ClientToMasterMessage.class, new MockMasterServer(host, taskPortNum)), new InetSocketAddress(masterPortNum));
    final Server taskServer = new NettyServer(new SpecificResponder(ClientToTaskMessage.class, new MockTaskServer(testQueryResult)), new InetSocketAddress(taskPortNum));
    // Step 2: Upload jar file
    final int suffixStartIndex = mockJarOutName.lastIndexOf(".");
    final String mockJarOutPrefix = mockJarOutName.substring(0, suffixStartIndex);
    final String mockJarOutSuffix = mockJarOutName.substring(suffixStartIndex);
    final List<String> jarPaths = new LinkedList<>();
    final Path tempJarFile = Files.createTempFile(mockJarOutPrefix, mockJarOutSuffix);
    jarPaths.add(tempJarFile.toString());
    final MISTExecutionEnvironment executionEnvironment = new MISTDefaultExecutionEnvironmentImpl(host, masterPortNum);
    final JarUploadResult jarUploadResult = executionEnvironment.submitJar(jarPaths);
    Assert.assertEquals("app_id", jarUploadResult.getIdentifier());
    // Step 3: Generate a new query
    final MISTQueryBuilder queryBuilder = new MISTQueryBuilder();
    queryBuilder.setApplicationId(jarUploadResult.getIdentifier()).socketTextStream(TestParameters.LOCAL_TEXT_SOCKET_SOURCE_CONF).flatMap(s -> Arrays.asList(s.split(" "))).map(s -> new Tuple2<>(s, 1)).reduceByKey(0, String.class, (Integer x, Integer y) -> x + y).textSocketOutput("localhost", 13667);
    final MISTQuery query = queryBuilder.build();
    System.err.println(mockJarOutPrefix);
    System.err.println(mockJarOutSuffix);
    // Step 4: Send a query and check whether the query comes to the task correctly
    final APIQueryControlResult result = executionEnvironment.submitQuery(query);
    Assert.assertEquals(result.getQueryId(), testQueryResult);
    masterServer.close();
    taskServer.close();
    Files.delete(tempJarFile);
}