public MockStreamReceiver(int partition) { outputStreamIds = new ArrayList<>(partition); for (int i = 0; i < partition; i++) { outputStreamIds.add(StreamIdConversion.generateStreamIdByPartition(i)); } }
@Test public void testGenerateStreamIdByPartition() { String result = StreamIdConversion.generateStreamIdByPartition(1); Assert.assertEquals("stream_1", result); result = StreamIdConversion.generateStreamIdByPartition(-1); Assert.assertEquals("stream_-1", result); result = StreamIdConversion.generateStreamIdByPartition(0); Assert.assertEquals("stream_0", result); }