Examples with EndpointResponse io.confluent.ksql.rest.EndpointResponse used on opensource projects

Example 1 with EndpointResponse

use of io.confluent.ksql.rest.EndpointResponse in project ksql by confluentinc.

the class StreamedQueryResourceTest method shouldStreamRowsCorrectly.

@Test
public void shouldStreamRowsCorrectly() throws Throwable {
    final int NUM_ROWS = 5;
    final AtomicReference<Throwable> threadException = new AtomicReference<>(null);
    final Thread.UncaughtExceptionHandler threadExceptionHandler = (thread, exception) -> threadException.compareAndSet(null, exception);
    final String queryString = "SELECT * FROM test_stream;";
    final SynchronousQueue<KeyValueMetadata<List<?>, GenericRow>> rowQueue = new SynchronousQueue<>();
    final LinkedList<GenericRow> writtenRows = new LinkedList<>();
    final Thread rowQueuePopulatorThread = new Thread(() -> {
        try {
            for (int i = 0; i != NUM_ROWS; i++) {
                final GenericRow value = genericRow(i);
                synchronized (writtenRows) {
                    writtenRows.add(value);
                }
                rowQueue.put(new KeyValueMetadata<>(KeyValue.keyValue(null, value)));
            }
        } catch (final InterruptedException exception) {
        // This should happen during the test, so it's fine
        }
    }, "Row Queue Populator");
    rowQueuePopulatorThread.setUncaughtExceptionHandler(threadExceptionHandler);
    rowQueuePopulatorThread.start();
    final KafkaStreams mockKafkaStreams = mock(KafkaStreams.class);
    when(mockStatementParser.<Query>parseSingleStatement(queryString)).thenReturn(query);
    final Map<String, Object> requestStreamsProperties = Collections.emptyMap();
    final KafkaStreamsBuilder kafkaStreamsBuilder = mock(KafkaStreamsBuilder.class);
    when(kafkaStreamsBuilder.build(any(), any())).thenReturn(mockKafkaStreams);
    MutableBoolean closed = new MutableBoolean(false);
    when(mockKafkaStreams.close(any())).thenAnswer(i -> {
        closed.setValue(true);
        return true;
    });
    when(mockKafkaStreams.state()).thenAnswer(i -> closed.getValue() ? State.NOT_RUNNING : State.RUNNING);
    final TransientQueryMetadata transientQueryMetadata = new TransientQueryMetadata(queryString, SOME_SCHEMA, Collections.emptySet(), "", new TestRowQueue(rowQueue), queryId, "appId", mock(Topology.class), kafkaStreamsBuilder, Collections.emptyMap(), Collections.emptyMap(), closeTimeout, 10, ResultType.STREAM, 0L, 0L, listener);
    transientQueryMetadata.initialize();
    when(queryMetadataHolder.getPushQueryMetadata()).thenReturn(Optional.of(transientQueryMetadata));
    final EndpointResponse response = testResource.streamQuery(securityContext, new KsqlRequest(queryString, requestStreamsProperties, Collections.emptyMap(), null), new CompletableFuture<>(), Optional.empty(), new MetricsCallbackHolder(), context);
    final PipedOutputStream responseOutputStream = new EOFPipedOutputStream();
    final PipedInputStream responseInputStream = new PipedInputStream(responseOutputStream, 1);
    final StreamingOutput responseStream = (StreamingOutput) response.getEntity();
    final Thread queryWriterThread = new Thread(() -> {
        try {
            responseStream.write(responseOutputStream);
        } catch (final EOFException exception) {
        // It's fine
        } catch (final IOException exception) {
            throw new RuntimeException(exception);
        }
    }, "Query Writer");
    queryWriterThread.setUncaughtExceptionHandler(threadExceptionHandler);
    queryWriterThread.start();
    final Scanner responseScanner = new Scanner(responseInputStream, "UTF-8");
    final ObjectMapper objectMapper = ApiJsonMapper.INSTANCE.get();
    for (int i = 0; i != NUM_ROWS; i++) {
        if (!responseScanner.hasNextLine()) {
            throw new Exception("Response input stream failed to have expected line available");
        }
        final String responseLine = responseScanner.nextLine();
        String jsonLine = StringUtils.stripStart(responseLine, "[");
        jsonLine = StringUtils.stripEnd(jsonLine, ",");
        jsonLine = StringUtils.stripEnd(jsonLine, "]");
        if (jsonLine.isEmpty()) {
            i--;
            continue;
        }
        if (i == 0) {
            // Header:
            assertThat(jsonLine, is("{\"header\":{\"queryId\":\"queryId\",\"schema\":\"`f1` INTEGER\"}}"));
            continue;
        }
        final GenericRow expectedRow;
        synchronized (writtenRows) {
            expectedRow = writtenRows.poll();
        }
        final DataRow testRow = objectMapper.readValue(jsonLine, StreamedRow.class).getRow().get();
        assertThat(testRow.getColumns(), is(expectedRow.values()));
    }
    responseOutputStream.close();
    queryWriterThread.join();
    rowQueuePopulatorThread.interrupt();
    rowQueuePopulatorThread.join();
    // Definitely want to make sure that the Kafka Streams instance has been closed and cleaned up
    verify(mockKafkaStreams).start();
    // called on init and when setting uncaught exception handler manually
    verify(mockKafkaStreams, times(2)).setUncaughtExceptionHandler(any(StreamsUncaughtExceptionHandler.class));
    verify(mockKafkaStreams).cleanUp();
    verify(mockKafkaStreams).close(Duration.ofMillis(closeTimeout));
    // If one of the other threads has somehow managed to throw an exception without breaking things up until this
    // point, we throw that exception now in the main thread and cause the test to fail
    final Throwable exception = threadException.get();
    if (exception != null) {
        throw exception;
    }
}

Example 2 with EndpointResponse

use of io.confluent.ksql.rest.EndpointResponse in project ksql by confluentinc.

the class StreamedQueryResourceTest method shouldReturnForbiddenKafkaAccessIfPrintTopicKsqlTopicAuthorizationException.

@Test
public void shouldReturnForbiddenKafkaAccessIfPrintTopicKsqlTopicAuthorizationException() {
    // Given:
    print = PreparedStatement.of("print", mock(PrintTopic.class));
    when(mockStatementParser.<PrintTopic>parseSingleStatement(PRINT_TOPIC)).thenReturn(print);
    doThrow(new KsqlTopicAuthorizationException(AclOperation.READ, Collections.singleton(TOPIC_NAME))).when(authorizationValidator).checkAuthorization(any(), any(), any());
    // When:
    final EndpointResponse response = testResource.streamQuery(securityContext, new KsqlRequest(PRINT_TOPIC, Collections.emptyMap(), Collections.emptyMap(), null), new CompletableFuture<>(), Optional.empty(), new MetricsCallbackHolder(), context);
    assertEquals(response.getStatus(), AUTHORIZATION_ERROR_RESPONSE.getStatus());
    assertEquals(response.getEntity(), AUTHORIZATION_ERROR_RESPONSE.getEntity());
}

Example 3 with EndpointResponse

use of io.confluent.ksql.rest.EndpointResponse in project ksql by confluentinc.

the class KsqlResourceTest method shouldThrowOnDenyListValidatorWhenTerminateCluster.

@Test
public void shouldThrowOnDenyListValidatorWhenTerminateCluster() {
    final Map<String, Object> terminateStreamProperties = ImmutableMap.of(DELETE_TOPIC_LIST_PROP, Collections.singletonList("Foo"));
    // Given:
    doThrow(new KsqlException("deny override")).when(denyListPropertyValidator).validateAll(terminateStreamProperties);
    // When:
    final EndpointResponse response = ksqlResource.terminateCluster(securityContext, VALID_TERMINATE_REQUEST);
    // Then:
    verify(denyListPropertyValidator).validateAll(terminateStreamProperties);
    assertThat(response.getStatus(), equalTo(INTERNAL_SERVER_ERROR.code()));
    assertThat(response.getEntity(), instanceOf(KsqlStatementErrorMessage.class));
    assertThat(((KsqlStatementErrorMessage) response.getEntity()).getMessage(), containsString("deny override"));
}

Example 4 with EndpointResponse

use of io.confluent.ksql.rest.EndpointResponse in project ksql by confluentinc.

the class KsqlResourceTest method shouldFailIfCannotWriteTerminateCommand.

@Test
public void shouldFailIfCannotWriteTerminateCommand() {
    // Given:
    when(commandStore.enqueueCommand(any(), any(), any(Producer.class))).thenThrow(new KsqlException(""));
    // When:
    final EndpointResponse response = ksqlResource.terminateCluster(securityContext, VALID_TERMINATE_REQUEST);
    // Then:
    assertThat(response.getStatus(), equalTo(500));
    assertThat(response.getEntity().toString(), CoreMatchers.startsWith("Could not write the statement 'TERMINATE CLUSTER;' into the command "));
}

Example 5 with EndpointResponse

use of io.confluent.ksql.rest.EndpointResponse in project ksql by confluentinc.

the class HealthCheckResourceTest method shouldCheckHealth.

@Test
public void shouldCheckHealth() {
    // When:
    final EndpointResponse response = healthCheckResource.checkHealth();
    // Then:
    verify(healthCheckAgent).checkHealth();
    assertThat(response.getStatus(), is(200));
    assertThat(response.getEntity(), instanceOf(HealthCheckResponse.class));
}