AHeise commented on a change in pull request #11751: [FLINK-16587][network]
Provide the method for getting unconsumed buffer from RecordDeserializer
URL: https://github.com/apache/flink/pull/11751#discussion_r408820504
##########
File path:
flink-runtime/src/test/java/org/apache/flink/runtime/io/network/api/serialization/SpanningRecordSerializationTest.java
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@@ -179,6 +187,126 @@ private static void testSerializationRoundTrip(
Assert.assertFalse(deserializer.hasUnfinishedData());
}
+ @Test
+ public void testSmallRecordUnconsumedBuffer() throws Exception {
+ RecordSerializer<SerializationTestType> serializer = new
SpanningRecordSerializer<>();
+ RecordDeserializer<SerializationTestType> deserializer =
+ new SpillingAdaptiveSpanningRecordDeserializer<>(
+ new
String[]{tempFolder.getRoot().getAbsolutePath()});
+
+ testUnconsumedBuffer(serializer, deserializer,
Util.randomRecord(SerializationTestTypeFactory.INT), 1024);
+ }
+
+ /**
+ * Test both for spanning records and for handling the length buffer,
that's why it's going byte by byte.
+ */
+ @Test
+ public void testSpanningRecordUnconsumedBuffer() throws Exception {
+ RecordSerializer<SerializationTestType> serializer = new
SpanningRecordSerializer<>();
+ RecordDeserializer<SerializationTestType> deserializer =
+ new SpillingAdaptiveSpanningRecordDeserializer<>(
+ new
String[]{tempFolder.getRoot().getAbsolutePath()});
+
+ testUnconsumedBuffer(serializer, deserializer,
Util.randomRecord(SerializationTestTypeFactory.INT), 1);
+ }
+
+ @Test
+ public void testLargeSpanningRecordUnconsumedBuffer() throws Exception {
+ RecordSerializer<SerializationTestType> serializer = new
SpanningRecordSerializer<>();
+ RecordDeserializer<SerializationTestType> deserializer =
+ new SpillingAdaptiveSpanningRecordDeserializer<>(
+ new
String[]{tempFolder.getRoot().getAbsolutePath()});
+
+ testUnconsumedBuffer(serializer, deserializer,
Util.randomRecord(SerializationTestTypeFactory.BYTE_ARRAY), 1);
+ }
+
+ @Test
+ public void testLargeSpanningRecordUnconsumedBufferWithLeftOverBytes()
throws Exception {
+ RecordSerializer<SerializationTestType> serializer = new
SpanningRecordSerializer<>();
+ RecordDeserializer<SerializationTestType> deserializer =
+ new SpillingAdaptiveSpanningRecordDeserializer<>(
+ new
String[]{tempFolder.getRoot().getAbsolutePath()});
+
+ testUnconsumedBuffer(
+ serializer,
+ deserializer,
+
Util.randomRecord(SerializationTestTypeFactory.BYTE_ARRAY),
+ 1,
+ new byte[] {42, 43, 44});
+ }
+
+ public void testUnconsumedBuffer(
Review comment:
nit: overload could be avoided by using `byte... leftOverBytes`
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