Examples of org.apache.kafka.clients.producer.MockProducer.history()

        Future<RecordMetadata> metadata = producer.send(record);
        assertTrue("Send should be immediately complete", metadata.isDone());
        assertFalse("Send should be successful", isError(metadata));
        assertEquals("Offset should be 0", 0, metadata.get().offset());
        assertEquals(topic, metadata.get().topic());
        assertEquals("We should have the record in our history", asList(record), producer.history());
        producer.clear();
        assertEquals("Clear should erase our history", 0, producer.history().size());
    }


    @Test

        assertFalse("Send should be successful", isError(metadata));
        assertEquals("Offset should be 0", 0, metadata.get().offset());
        assertEquals(topic, metadata.get().topic());
        assertEquals("We should have the record in our history", asList(record), producer.history());
        producer.clear();
        assertEquals("Clear should erase our history", 0, producer.history().size());
    }


    @Test
    public void testManualCompletion() throws Exception {
        MockProducer producer = new MockProducer(false);

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