10638 - Fuzz tests for MQE #12121
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10638 - Fuzz tests for MQE #12121
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…ial data and query set. Modifications to utils comparisons to extend support for these tests - including a custom histogram comparision function to avoid a deepEquals() NaN comparison issue Signed-off-by: Andrew Hall <[email protected]>
tcp13equals2
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Jul 17, 2025
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What this PR does
This PR contains additional unit tests and Go Fuzz tests which attempt to validate the Mimir Query Engine.
The tests seek to use a range of query strings to confirm that the Mimir Query Engine responds in the same manner as the Prometheus Query Engine. This includes validating both a result, result annotation and/or errors.
There are some expected / accepted scenarios where an exact match does not occur. These are detailed and accommodated in the test code.
The Fuzz tests include a range of seed / corpus entries which enables the test suite to be run as a normal unit test. Alternatively, the specific Fuzz testing function can be invoked using the go test -fuzz=.
Which issue(s) this PR fixes or relates to
#10638
Fixes #10638
Checklist
CHANGELOG.mdupdatedabout-versioning.mdupdated with experimental features.