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https://issues.apache.org/jira/browse/CASSANDRA-19833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
David Capwell updated CASSANDRA-19833:
--------------------------------------
Status: Ready to Commit (was: Review In Progress)
> Improve CQLTester to make it trivial to run the tests with different configs,
> and to add randomness to the test
> ---------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-19833
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19833
> Project: Cassandra
> Issue Type: Improvement
> Components: Test/fuzz
> Reporter: David Capwell
> Assignee: David Capwell
> Priority: Normal
> Fix For: 5.x
>
> Attachments:
> ci_summary-trunk-07bd27e2fa14c47e4ffc93f22a40bd905cf94a68.html,
> result_details-trunk-07bd27e2fa14c47e4ffc93f22a40bd905cf94a68.tar.gz
>
>
> When creating a test many authors default to hard coding values as the
> barrier to make the test generic feels too high; to lower this barrier we
> should add an extension class to CQLTester that enables randomized testing
> without having to worry about which framework to use.
> This should setup the single node cluster with different configs to improve
> coverage.
> Here is a sample error message when a test fails
> {code}
> java.lang.AssertionError: Property error detected:
> Config Seed: -3611771839852432544 -- To rerun do
> -Dcassandra.test.cqltester.fuzzed.seed.org.apache.cassandra.cql3.validation.operations.InsertTest=-3611771839852432544
> Config:
> ---
> partitioner: OrderPreservingPartitioner
> commitlog_sync: batch
> commitlog_disk_access_mode: mmap_index_only
> memtable_allocation_type: offheap_buffers
> sstable:
> selected_format: bti
> disk_access_mode: mmap
>
> Error:
> commitlog_disk_access_mode = mmap_index_only is not supported. Please
> use 'auto' when unsure.
> {code}
> And if the test fails
> {code}
> java.lang.AssertionError: Property error detected:
> Config Seed: -5023694648830703272 -- To rerun do
> -Dcassandra.test.cqltester.fuzzed.seed.org.apache.cassandra.cql3.validation.operations.InsertTest=-5023694648830703272
> Seed: -1088015559108807046 -- To rerun do
> -Dcassandra.test.cqltester.fuzzed.seed.org.apache.cassandra.cql3.validation.operations.InsertTest.testInsertZeroDuration=-1088015559108807046
> Config:
> ---
> partitioner: OrderPreservingPartitioner
> commitlog_sync: periodic
> commitlog_sync_period: 10000ms
> commitlog_disk_access_mode: direct
> memtable_allocation_type: offheap_objects
> sstable:
> selected_format: bti
> disk_access_mode: mmap_index_only
> Caused by: java.lang.NullPointerException
> {code}
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