Examples of org.apache.hadoop.http.HttpServer2$StackServlet

org.apache.hadoop.http.HttpServer2.QuotingInputFilter.RequestQuoter
A very simple servlet to serve up a text representation of the current stack traces. It both returns the stacks to the caller and logs them. Currently the stack traces are done sequentially rather than exactly the same data.

   */
  @Test(timeout = 10000)
  public void testImageUploadTimeout() throws Exception {
    Configuration conf = new HdfsConfiguration();
    NNStorage mockStorage = Mockito.mock(NNStorage.class);
    HttpServer2 testServer = HttpServerFunctionalTest.createServer("hdfs");
    try {
      testServer.addServlet("ImageTransfer", ImageServlet.PATH_SPEC,
          TestImageTransferServlet.class);
      testServer.start();
      URL serverURL = HttpServerFunctionalTest.getServerURL(testServer);
      // set the timeout here, otherwise it will take default.
      TransferFsImage.timeout = 2000;


      File tmpDir = new File(new FileSystemTestHelper().getTestRootDir());
      tmpDir.mkdirs();


      File mockImageFile = File.createTempFile("image", "", tmpDir);
      FileOutputStream imageFile = new FileOutputStream(mockImageFile);
      imageFile.write("data".getBytes());
      imageFile.close();
      Mockito.when(
          mockStorage.findImageFile(Mockito.any(NameNodeFile.class),
              Mockito.anyLong())).thenReturn(mockImageFile);
      Mockito.when(mockStorage.toColonSeparatedString()).thenReturn(
          "storage:info:string");
      
      try {
        TransferFsImage.uploadImageFromStorage(serverURL, conf, mockStorage,
            NameNodeFile.IMAGE, 1L);
        fail("TransferImage Should fail with timeout");
      } catch (SocketTimeoutException e) {
        assertEquals("Upload should timeout", "Read timed out", e.getMessage());
      }
    } finally {
      testServer.stop();
    }
  }

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        if (httpScheme.equals(WebAppUtils.HTTPS_PREFIX)) {
          WebAppUtils.loadSslConfiguration(builder);
        }


        HttpServer2 server = builder.build();


        for(ServletStruct struct: servlets) {
          server.addServlet(struct.name, struct.spec, struct.clazz);
        }
        for(Map.Entry<String, Object> entry : attributes.entrySet()) {
          server.setAttribute(entry.getKey(), entry.getValue());
        }
        HttpServer2.defineFilter(server.getWebAppContext(), "guice",
          GuiceFilter.class.getName(), null, new String[] { "/*" });


        webapp.setConf(conf);
        webapp.setHttpServer(server);
        server.start();
        LOG.info("Web app /"+ name +" started at "+ server.getConnectorAddress(0).getPort());
      } catch (ClassNotFoundException e) {
        throw new WebAppException("Error starting http server", e);
      } catch (IOException e) {
        throw new WebAppException("Error starting http server", e);
      }

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  @Test
  public void testRequestQuoterWithNull() throws Exception {
    HttpServletRequest request = Mockito.mock(HttpServletRequest.class);
    Mockito.doReturn(null).when(request).getParameterValues("dummy");
    RequestQuoter requestQuoter = new RequestQuoter(request);
    String[] parameterValues = requestQuoter.getParameterValues("dummy");
    Assert.assertEquals("It should return null "
        + "when there are no values for the parameter", null, parameterValues);
  }

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  @Test
  public void testRequestQuoterWithNotNull() throws Exception {
    HttpServletRequest request = Mockito.mock(HttpServletRequest.class);
    String[] values = new String[] { "abc", "def" };
    Mockito.doReturn(values).when(request).getParameterValues("dummy");
    RequestQuoter requestQuoter = new RequestQuoter(request);
    String[] parameterValues = requestQuoter.getParameterValues("dummy");
    Assert.assertTrue("It should return Parameter Values", Arrays.equals(
        values, parameterValues));
  }

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  @Test
  public void testRequestQuoterWithNull() throws Exception {
    HttpServletRequest request = Mockito.mock(HttpServletRequest.class);
    Mockito.doReturn(null).when(request).getParameterValues("dummy");
    RequestQuoter requestQuoter = new RequestQuoter(request);
    String[] parameterValues = requestQuoter.getParameterValues("dummy");
    Assert.assertEquals("It should return null "
        + "when there are no values for the parameter", null, parameterValues);
  }

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  @Test
  public void testRequestQuoterWithNotNull() throws Exception {
    HttpServletRequest request = Mockito.mock(HttpServletRequest.class);
    String[] values = new String[] { "abc", "def" };
    Mockito.doReturn(values).when(request).getParameterValues("dummy");
    RequestQuoter requestQuoter = new RequestQuoter(request);
    String[] parameterValues = requestQuoter.getParameterValues("dummy");
    Assert.assertTrue("It should return Parameter Values", Arrays.equals(
        values, parameterValues));
  }

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