Examples with MockSegmentIoStreams io.pravega.client.stream.mock.MockSegmentIoStreams used on opensource projects

Example 1 with MockSegmentIoStreams

use of io.pravega.client.stream.mock.MockSegmentIoStreams in project pravega by pravega.

the class EventStreamWriterTest method testRetryCloseSegmentSealed.

@Test
public void testRetryCloseSegmentSealed() throws EndOfSegmentException, SegmentTruncatedException {
    String scope = "scope";
    String streamName = "stream";
    StreamImpl stream = new StreamImpl(scope, streamName);
    Segment segment1 = new Segment(scope, streamName, 0);
    Segment segment2 = new Segment(scope, streamName, 1);
    EventWriterConfig config = EventWriterConfig.builder().build();
    SegmentOutputStreamFactory streamFactory = Mockito.mock(SegmentOutputStreamFactory.class);
    Controller controller = Mockito.mock(Controller.class);
    SealedSegmentOutputStream outputStream = new SealedSegmentOutputStream(segment1);
    Mockito.when(controller.getCurrentSegments(scope, streamName)).thenReturn(getSegmentsFuture(segment1));
    Mockito.when(controller.getSuccessors(segment1)).thenReturn(getReplacement(segment1, segment2));
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment1), any(), any(), any())).thenAnswer(i -> {
        outputStream.callBackForSealed = i.getArgument(1);
        return outputStream;
    });
    JavaSerializer<String> serializer = new JavaSerializer<>();
    @Cleanup EventStreamWriter<String> writer = new EventStreamWriterImpl<>(stream, controller, streamFactory, serializer, config, new InlineExecutor());
    writer.writeEvent("Foo");
    Mockito.verify(controller).getCurrentSegments(any(), any());
    assertTrue(outputStream.getUnackedEventsOnSeal().size() > 0);
    MockSegmentIoStreams outputStream2 = new MockSegmentIoStreams(segment2);
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment2), any(), any(), any())).thenReturn(outputStream2);
    Async.testBlocking(() -> {
        // closed invokes flush internally; this call is blocking on flush.
        writer.close();
    }, () -> {
        // trigger release with a segmentSealedException.
        outputStream.releaseFlush();
        // trigger Sealed Segment call back.
        outputStream.invokeSealedCallBack();
    });
    Mockito.verify(controller, Mockito.times(1)).getCurrentSegments(any(), any());
    assertTrue(outputStream2.fetchCurrentSegmentLength() > 0);
    assertTrue(outputStream2.isClosed());
    // the connection to outputStream is closed with the failConnection during SegmentSealed Callback.
    assertEquals(serializer.serialize("Foo"), outputStream2.read());
}

Example 2 with MockSegmentIoStreams

use of io.pravega.client.stream.mock.MockSegmentIoStreams in project pravega by pravega.

the class EventStreamWriterTest method testSegmentSealedInClose.

@Test
public void testSegmentSealedInClose() throws EndOfSegmentException, SegmentTruncatedException {
    String scope = "scope";
    String streamName = "stream";
    StreamImpl stream = new StreamImpl(scope, streamName);
    Segment segment1 = new Segment(scope, streamName, 0);
    Segment segment2 = new Segment(scope, streamName, 1);
    EventWriterConfig config = EventWriterConfig.builder().build();
    SegmentOutputStreamFactory streamFactory = Mockito.mock(SegmentOutputStreamFactory.class);
    Controller controller = Mockito.mock(Controller.class);
    FakeSegmentOutputStream outputStream1 = new FakeSegmentOutputStream(segment1);
    Mockito.when(controller.getCurrentSegments(scope, streamName)).thenReturn(getSegmentsFuture(segment1));
    Mockito.when(controller.getSuccessors(segment1)).thenReturn(getReplacement(segment1, segment2));
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment1), any(), any(), any())).thenAnswer(i -> {
        outputStream1.callBackForSealed = i.getArgument(1);
        return outputStream1;
    });
    JavaSerializer<String> serializer = new JavaSerializer<>();
    @Cleanup EventStreamWriter<String> writer = new EventStreamWriterImpl<>(stream, controller, streamFactory, serializer, config, new InlineExecutor());
    writer.writeEvent("Foo");
    Mockito.verify(controller).getCurrentSegments(any(), any());
    assertTrue(outputStream1.getUnackedEventsOnSeal().size() > 0);
    MockSegmentIoStreams outputStream2 = new MockSegmentIoStreams(segment2);
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment2), any(), any(), any())).thenReturn(outputStream2);
    outputStream1.invokeSealedCallBack();
    writer.close();
    Mockito.verify(controller, Mockito.times(1)).getCurrentSegments(any(), any());
    assertTrue(outputStream2.fetchCurrentSegmentLength() > 0);
    assertEquals(serializer.serialize("Foo"), outputStream2.read());
}

Example 3 with MockSegmentIoStreams

use of io.pravega.client.stream.mock.MockSegmentIoStreams in project pravega by pravega.

the class EventStreamWriterTest method testRetryFlushSegmentSealed.

@Test
public void testRetryFlushSegmentSealed() throws EndOfSegmentException, SegmentTruncatedException {
    String scope = "scope";
    String streamName = "stream";
    StreamImpl stream = new StreamImpl(scope, streamName);
    Segment segment1 = new Segment(scope, streamName, 0);
    Segment segment2 = new Segment(scope, streamName, 1);
    EventWriterConfig config = EventWriterConfig.builder().build();
    SegmentOutputStreamFactory streamFactory = Mockito.mock(SegmentOutputStreamFactory.class);
    Controller controller = Mockito.mock(Controller.class);
    SealedSegmentOutputStream outputStream = new SealedSegmentOutputStream(segment1);
    Mockito.when(controller.getCurrentSegments(scope, streamName)).thenReturn(getSegmentsFuture(segment1));
    Mockito.when(controller.getSuccessors(segment1)).thenReturn(getReplacement(segment1, segment2));
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment1), any(), any(), any())).thenAnswer(i -> {
        outputStream.callBackForSealed = i.getArgument(1);
        return outputStream;
    });
    JavaSerializer<String> serializer = new JavaSerializer<>();
    @Cleanup EventStreamWriter<String> writer = new EventStreamWriterImpl<>(stream, controller, streamFactory, serializer, config, new InlineExecutor());
    writer.writeEvent("Foo");
    Mockito.verify(controller).getCurrentSegments(any(), any());
    assertTrue(outputStream.getUnackedEventsOnSeal().size() > 0);
    MockSegmentIoStreams outputStream2 = new MockSegmentIoStreams(segment2);
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment2), any(), any(), any())).thenReturn(outputStream2);
    Async.testBlocking(() -> {
        // blocking on flush.
        writer.flush();
    }, () -> {
        // trigger release with a segmentSealedException.
        outputStream.releaseFlush();
        // trigger Sealed Segment call back.
        outputStream.invokeSealedCallBack();
    });
    Mockito.verify(controller, Mockito.times(1)).getCurrentSegments(any(), any());
    assertTrue(outputStream2.fetchCurrentSegmentLength() > 0);
    assertEquals(serializer.serialize("Foo"), outputStream2.read());
}

Example 4 with MockSegmentIoStreams

use of io.pravega.client.stream.mock.MockSegmentIoStreams in project pravega by pravega.

the class EventStreamWriterTest method testSegmentSealedInFlush.

@Test
public void testSegmentSealedInFlush() throws EndOfSegmentException, SegmentTruncatedException {
    String scope = "scope";
    String streamName = "stream";
    StreamImpl stream = new StreamImpl(scope, streamName);
    Segment segment1 = new Segment(scope, streamName, 0);
    Segment segment2 = new Segment(scope, streamName, 1);
    EventWriterConfig config = EventWriterConfig.builder().build();
    SegmentOutputStreamFactory streamFactory = Mockito.mock(SegmentOutputStreamFactory.class);
    Controller controller = Mockito.mock(Controller.class);
    FakeSegmentOutputStream outputStream = new FakeSegmentOutputStream(segment1);
    Mockito.when(controller.getCurrentSegments(scope, streamName)).thenReturn(getSegmentsFuture(segment1));
    Mockito.when(controller.getSuccessors(segment1)).thenReturn(getReplacement(segment1, segment2));
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment1), any(), any(), any())).thenAnswer(i -> {
        outputStream.callBackForSealed = i.getArgument(1);
        return outputStream;
    });
    JavaSerializer<String> serializer = new JavaSerializer<>();
    @Cleanup EventStreamWriter<String> writer = new EventStreamWriterImpl<>(stream, controller, streamFactory, serializer, config, new InlineExecutor());
    writer.writeEvent("Foo");
    Mockito.verify(controller).getCurrentSegments(any(), any());
    assertTrue(outputStream.getUnackedEventsOnSeal().size() > 0);
    MockSegmentIoStreams outputStream2 = new MockSegmentIoStreams(segment2);
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment2), any(), any(), any())).thenReturn(outputStream2);
    outputStream.invokeSealedCallBack();
    writer.flush();
    Mockito.verify(controller, Mockito.times(1)).getCurrentSegments(any(), any());
    assertTrue(outputStream2.fetchCurrentSegmentLength() > 0);
    assertEquals(serializer.serialize("Foo"), outputStream2.read());
}

Example 5 with MockSegmentIoStreams

use of io.pravega.client.stream.mock.MockSegmentIoStreams in project pravega by pravega.

the class EventStreamWriterTest method testWrite.

@Test
public void testWrite() {
    String scope = "scope";
    String streamName = "stream";
    StreamImpl stream = new StreamImpl(scope, streamName);
    Segment segment = new Segment(scope, streamName, 0);
    EventWriterConfig config = EventWriterConfig.builder().build();
    SegmentOutputStreamFactory streamFactory = Mockito.mock(SegmentOutputStreamFactory.class);
    Controller controller = Mockito.mock(Controller.class);
    Mockito.when(controller.getCurrentSegments(scope, streamName)).thenReturn(getSegmentsFuture(segment));
    MockSegmentIoStreams outputStream = new MockSegmentIoStreams(segment);
    Mockito.when(streamFactory.createOutputStreamForSegment(eq(segment), any(), any(), any())).thenReturn(outputStream);
    EventStreamWriter<String> writer = new EventStreamWriterImpl<>(stream, controller, streamFactory, new JavaSerializer<>(), config, new InlineExecutor());
    writer.writeEvent("Foo");
    writer.writeEvent("Bar");
    writer.close();
    try {
        writer.writeEvent("fail");
        fail();
    } catch (IllegalStateException e) {
    // expected.
    }
}