NicoK commented on a change in pull request #6705: [FLINK-10356][network] add
sanity checks to SpillingAdaptiveSpanningRecordDeserializer
URL: https://github.com/apache/flink/pull/6705#discussion_r227307487
##########
File path:
flink-runtime/src/test/java/org/apache/flink/runtime/io/network/api/serialization/SpanningRecordSerializationTest.java
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@@ -104,11 +116,216 @@ public void testHandleMixedLargeRecords() throws
Exception {
testSerializationRoundTrip(originalRecords, segmentSize);
}
+ /**
+ * Non-spanning, deserialization reads one byte too many and succeeds.
+ */
+ @Test
+ public void testHandleDeserializingTooMuchNonSpanning1() throws
Exception {
+ expectedException.expect(IOException.class);
+ expectedException.expectMessage(" -1 remaining unread byte");
+ testHandleWrongDeserialization(new
StringValueDeserializingTooMuch("Test string"), 32 * 1024);
+ }
+
+ /**
+ * Non-spanning, serialization length is 16 (including headers),
deserialization reads one byte
+ * too many and succeeds.
+ */
+ @Test
+ public void testHandleDeserializingTooMuchNonSpanning2() throws
Exception {
+ expectedException.expect(IOException.class);
+ expectedException.expectMessage(" -1 remaining unread byte");
+ testHandleWrongDeserialization(new
StringValueDeserializingTooMuch("Test string"), 17);
Review comment:
Actually, I'd like to follow a one-scenario-per-test pattern for better
isolation and testing specific things during debugging etc.
Let me try to de-dup in another way: including the `ExpectedException` setup
into `testHandleWrongDeserialization`
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