Stefania created CASSANDRA-9852:
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Summary: Complete test coverage for StorageProxy.
Key: CASSANDRA-9852
URL: https://issues.apache.org/jira/browse/CASSANDRA-9852
Project: Cassandra
Issue Type: Test
Reporter: Stefania
Assignee: Stefania
Run relevant unit and dtests under code coverage to find out which parts of
StorageProxy and auxiliary classes are still not tested. Below is an old
analysis which should be repeated now that CASSANDRA-8099 is integrated into
trunk.
Then add more unit or distributed tests to complete code coverage. The
framework provided by CASSANDRA-9165 will most likely be required to inject
failures and time outs.
h3. Old analysis
Code coverage results after running some relevant dtests for CASSANDRA-9102:
*consistecy_test.py, paxos_test.py, batch_test.py, counter_test.py and
secondary_indexes_test.py*.
Quick observations after analyzing StorageProxy and auxiliary files:
||File||Percentage||Missing coverage||
|AbstractReadExecutor|97%|RetryType.ALWAYS|
|ReadCallback|55%|Exception handling or generation (ReadTimeout, ReadFailure,
DigestMismatch)|
|StorageProxy|56%|Exception handling (timeouts, failures), hinting due to
exception handling and max limit of hints reached, logged batches and triggers,
some estimation of ranges due to indexes and range slices, describe cluster (a
nodetool command), truncation of data, paxos contentions, jmx methods (but I
think we have some nodetool tests I did not run and they are trivial)|
|AbstractRowResolver|90%|OK|
|RowDigestResolver|88%|OK|
|RowDataResolver|79%|replyCount == 1|
|RangeSliceResponseResolver|19%|Everything|
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