Exemplo n.º 1
0
  /**
   * Test concurrent reader and writer (GH-458).
   *
   * <p><b>Test case:</b>
   *
   * <ol>
   *   <li/>start a long running reader;
   *   <li/>try to start a writer: it should time out;
   *   <li/>stop the reader;
   *   <li/>start the writer again: it should succeed.
   * </ol>
   *
   * @throws Exception error during request execution
   */
  @Test
  @Ignore("There is no way to stop a query on the server!")
  public void testReaderWriter() throws Exception {
    final String readerQuery = "?query=(1%20to%20100000000000000)%5b.=1%5d";
    final String writerQuery = "/test.xml";
    final byte[] content = Token.token("<a/>");

    final Get readerAction = new Get(readerQuery);
    final Put writerAction = new Put(writerQuery, content);

    final ExecutorService exec = Executors.newFixedThreadPool(2);

    // start reader
    exec.submit(readerAction);
    Performance.sleep(TIMEOUT); // delay in order to be sure that the reader has started
    // start writer
    Future<HTTPResponse> writer = exec.submit(writerAction);

    try {
      final HTTPResponse result = writer.get(TIMEOUT, TimeUnit.MILLISECONDS);

      if (result.status.isSuccess()) fail("Database modified while a reader is running");
      throw new Exception(result.toString());
    } catch (final TimeoutException e) {
      // writer is blocked by the reader: stop it
      writerAction.stop = true;
    }

    // stop reader
    readerAction.stop = true;

    // start the writer again
    writer = exec.submit(writerAction);
    assertEquals(HTTPCode.CREATED, writer.get().status);
  }
Exemplo n.º 2
0
 /** Drops users. */
 @Test
 public void dropUsers() {
   no(new DropUser(NAME), testSession);
   no(new DropUser(NAME), adminSession);
   ok(new Exit(), testSession);
   // give the server some time to close the client session
   Performance.sleep(50);
   ok(new DropUser(NAME), adminSession);
 }
Exemplo n.º 3
0
 /** Clean up method. */
 @After
 public void cleanUp() {
   try {
     testSession.close();
     adminSession.execute(new DropDB(RENAMED));
     adminSession.execute(new DropDB(NAME));
     adminSession.close();
     // give the server some time to clean up the sessions before next test
     Performance.sleep(100);
   } catch (final Exception ex) {
     fail(Util.message(ex));
   }
 }
Exemplo n.º 4
0
 @Override
 public void run() {
   try {
     for (int i = 0; i < runs; ++i) {
       Performance.sleep((long) (50 * RND.nextDouble()));
       // Return nth text of the database
       final int n = RND.nextInt() % MAX + 1;
       final String qu = Util.info(QUERY, n);
       new XQuery(qu).execute(context);
     }
   } catch (final BaseXException ex) {
     ex.printStackTrace();
   }
 }
Exemplo n.º 5
0
    @Override
    public void run() {
      try {
        // Perform some queries
        for (int i = 0; i < runs; ++i) {
          Performance.sleep((long) (50 * RND.nextDouble()));

          // Return nth text of the database
          final int n = RND.nextInt() % MAX + 1;
          final String qu = Util.info(QUERY, n);
          session.execute("xquery " + qu);
        }
        session.close();
      } catch (final Exception ex) {
        ex.printStackTrace();
      }
    }
Exemplo n.º 6
0
  /**
   * Test 2 concurrent readers (GH-458).
   *
   * <p><b>Test case:</b>
   *
   * <ol>
   *   <li/>start a long running reader;
   *   <li/>start a fast reader: it should succeed.
   * </ol>
   *
   * @throws Exception error during request execution
   */
  @Test
  public void testMultipleReaders() throws Exception {
    final String number = "63177";
    final String slowQuery = "?query=(1%20to%20100000000000000)%5b.=1%5d";
    final String fastQuery = "?query=" + number;

    final Get slowAction = new Get(slowQuery);
    final Get fastAction = new Get(fastQuery);

    final ExecutorService exec = Executors.newFixedThreadPool(2);

    exec.submit(slowAction);
    Performance.sleep(TIMEOUT); // delay in order to be sure that the reader has started
    final Future<HTTPResponse> fast = exec.submit(fastAction);

    try {
      final HTTPResponse result = fast.get(TIMEOUT, TimeUnit.MILLISECONDS);
      assertEquals(HTTPCode.OK, result.status);
      assertEquals(number, result.data);
    } finally {
      slowAction.stop = true;
    }
  }
Exemplo n.º 7
0
 /** Stop BaseX HTTP. */
 private void stopBaseXHTTP() {
   Util.start(BaseXHTTP.class, "stop");
   Performance.sleep(TIMEOUT); // give the server some time to stop
 }
Exemplo n.º 8
0
 /** Start BaseX HTTP. */
 private void startBaseXHTTP() {
   Util.start(BaseXHTTP.class, "-U" + UserText.ADMIN, "-P" + UserText.ADMIN);
   Performance.sleep(TIMEOUT); // give the server some time to stop
 }