Examples with ContinuousAsyncResultSet com.datastax.dse.driver.api.core.cql.continuous.ContinuousAsyncResultSet used on opensource projects

Example 16 with ContinuousAsyncResultSet

use of com.datastax.dse.driver.api.core.cql.continuous.ContinuousAsyncResultSet in project java-driver by datastax.

the class ContinuousCqlRequestHandlerTest method should_send_cancel_request_if_dse_v2.

@Test
public void should_send_cancel_request_if_dse_v2() {
    RequestHandlerTestHarness.Builder builder = continuousHarnessBuilder().withProtocolVersion(DSE_V2);
    PoolBehavior node1Behavior = builder.customBehavior(node1);
    try (RequestHandlerTestHarness harness = builder.build()) {
        ContinuousCqlRequestHandler handler = new ContinuousCqlRequestHandler(UNDEFINED_IDEMPOTENCE_STATEMENT, harness.getSession(), harness.getContext(), "test");
        CompletionStage<ContinuousAsyncResultSet> page1Future = handler.handle();
        page1Future.toCompletableFuture().cancel(true);
        assertThat(handler.getState()).isEqualTo(-2);
        verify(node1Behavior.getChannel()).write(argThat(this::isCancelRequest), anyBoolean(), anyMap(), any());
    }
}

Example 17 with ContinuousAsyncResultSet

use of com.datastax.dse.driver.api.core.cql.continuous.ContinuousAsyncResultSet in project java-driver by datastax.

the class ContinuousCqlRequestHandlerTest method should_toggle_channel_autoread_if_dse_v1.

@Test
public void should_toggle_channel_autoread_if_dse_v1() {
    RequestHandlerTestHarness.Builder builder = continuousHarnessBuilder().withProtocolVersion(DSE_V1);
    PoolBehavior node1Behavior = builder.customBehavior(node1);
    try (RequestHandlerTestHarness harness = builder.build()) {
        CompletionStage<ContinuousAsyncResultSet> page1Future = new ContinuousCqlRequestHandler(UNDEFINED_IDEMPOTENCE_STATEMENT, harness.getSession(), harness.getContext(), "test").handle();
        // simulate the arrival of 5 pages, the first one will complete page1 future above,
        // the following 4 will be enqueued and should trigger autoread off
        node1Behavior.setResponseSuccess(defaultFrameOf(DseTestFixtures.tenDseRows(1, false)));
        node1Behavior.setResponseSuccess(defaultFrameOf(DseTestFixtures.tenDseRows(2, false)));
        node1Behavior.setResponseSuccess(defaultFrameOf(DseTestFixtures.tenDseRows(3, false)));
        node1Behavior.setResponseSuccess(defaultFrameOf(DseTestFixtures.tenDseRows(4, false)));
        node1Behavior.setResponseSuccess(defaultFrameOf(DseTestFixtures.tenDseRows(5, false)));
        verify(node1Behavior.getChannel().config()).setAutoRead(false);
        // simulate the retrieval of 2 pages, this should dequeue page 2
        // and trigger autoread on
        ContinuousAsyncResultSet page1 = CompletableFutures.getCompleted(page1Future);
        CompletableFutures.getCompleted(page1.fetchNextPage());
        verify(node1Behavior.getChannel().config()).setAutoRead(true);
        // in DSE_V1, the backpressure request should not have been sent
        verify(node1Behavior.getChannel(), never()).write(any(Revise.class), anyBoolean(), anyMap(), any());
    }
}

Example 18 with ContinuousAsyncResultSet

use of com.datastax.dse.driver.api.core.cql.continuous.ContinuousAsyncResultSet in project java-driver by datastax.

the class ContinuousCqlRequestHandlerTest method should_cancel_session_if_future_cancelled.

@Test
@UseDataProvider(value = "allDseProtocolVersions", location = DseTestDataProviders.class)
public void should_cancel_session_if_future_cancelled(DseProtocolVersion version) {
    RequestHandlerTestHarness.Builder builder = continuousHarnessBuilder().withProtocolVersion(version);
    PoolBehavior node1Behavior = builder.customBehavior(node1);
    try (RequestHandlerTestHarness harness = builder.build()) {
        ContinuousCqlRequestHandler handler = new ContinuousCqlRequestHandler(UNDEFINED_IDEMPOTENCE_STATEMENT, harness.getSession(), harness.getContext(), "test");
        CompletionStage<ContinuousAsyncResultSet> page1Future = handler.handle();
        page1Future.toCompletableFuture().cancel(true);
        // this should be ignored
        node1Behavior.setResponseSuccess(defaultFrameOf(DseTestFixtures.tenDseRows(1, false)));
        assertThat(handler.getState()).isEqualTo(-2);
    }
}

Example 19 with ContinuousAsyncResultSet

use of com.datastax.dse.driver.api.core.cql.continuous.ContinuousAsyncResultSet in project java-driver by datastax.

the class ContinuousCqlRequestHandlerTest method should_not_cancel_session_if_future_cancelled_but_already_done.

@Test
@UseDataProvider(value = "allDseProtocolVersions", location = DseTestDataProviders.class)
public void should_not_cancel_session_if_future_cancelled_but_already_done(DseProtocolVersion version) {
    RequestHandlerTestHarness.Builder builder = continuousHarnessBuilder().withProtocolVersion(version);
    PoolBehavior node1Behavior = builder.customBehavior(node1);
    try (RequestHandlerTestHarness harness = builder.build()) {
        ContinuousCqlRequestHandler handler = new ContinuousCqlRequestHandler(UNDEFINED_IDEMPOTENCE_STATEMENT, harness.getSession(), harness.getContext(), "test");
        CompletionStage<ContinuousAsyncResultSet> page1Future = handler.handle();
        // this will complete page 1 future
        node1Behavior.setResponseSuccess(defaultFrameOf(DseTestFixtures.tenDseRows(1, true)));
        // to late
        page1Future.toCompletableFuture().cancel(true);
        assertThat(handler.getState()).isEqualTo(-1);
    }
}

Example 20 with ContinuousAsyncResultSet

use of com.datastax.dse.driver.api.core.cql.continuous.ContinuousAsyncResultSet in project java-driver by datastax.

the class ContinuousCqlRequestHandlerTest method should_invoke_request_tracker.

@Test
@UseDataProvider(value = "allDseProtocolVersions", location = DseTestDataProviders.class)
public void should_invoke_request_tracker(DseProtocolVersion version) {
    try (RequestHandlerTestHarness harness = continuousHarnessBuilder().withProtocolVersion(version).withResponse(node1, defaultFrameOf(new com.datastax.oss.protocol.internal.response.Error(ProtocolConstants.ErrorCode.IS_BOOTSTRAPPING, "mock message"))).withResponse(node2, defaultFrameOf(DseTestFixtures.singleDseRow())).build()) {
        RequestTracker requestTracker = mock(RequestTracker.class);
        when(harness.getContext().getRequestTracker()).thenReturn(requestTracker);
        CompletionStage<ContinuousAsyncResultSet> resultSetFuture = new ContinuousCqlRequestHandler(UNDEFINED_IDEMPOTENCE_STATEMENT, harness.getSession(), harness.getContext(), "test").handle();
        assertThatStage(resultSetFuture).isSuccess(resultSet -> {
            Iterator<Row> rows = resultSet.currentPage().iterator();
            assertThat(rows.hasNext()).isTrue();
            assertThat(rows.next().getString("message")).isEqualTo("hello, world");
            ExecutionInfo executionInfo = resultSet.getExecutionInfo();
            assertThat(executionInfo.getCoordinator()).isEqualTo(node2);
            assertThat(executionInfo.getErrors()).isNotEmpty();
            assertThat(executionInfo.getIncomingPayload()).isEmpty();
            assertThat(executionInfo.getPagingState()).isNull();
            assertThat(executionInfo.getSpeculativeExecutionCount()).isEqualTo(0);
            assertThat(executionInfo.getSuccessfulExecutionIndex()).isEqualTo(0);
            assertThat(executionInfo.getWarnings()).isEmpty();
            verify(requestTracker).onNodeError(eq(UNDEFINED_IDEMPOTENCE_STATEMENT), any(BootstrappingException.class), anyLong(), any(DriverExecutionProfile.class), eq(node1), matches(LOG_PREFIX_PER_REQUEST));
            verify(requestTracker).onNodeSuccess(eq(UNDEFINED_IDEMPOTENCE_STATEMENT), anyLong(), any(DriverExecutionProfile.class), eq(node2), matches(LOG_PREFIX_PER_REQUEST));
            verify(requestTracker).onSuccess(eq(UNDEFINED_IDEMPOTENCE_STATEMENT), anyLong(), any(DriverExecutionProfile.class), eq(node2), matches(LOG_PREFIX_PER_REQUEST));
            verifyNoMoreInteractions(requestTracker);
        });
    }
}