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  1. Go Driver
  2. GODRIVER-2842

Fix failing "TestServerSelectionProse" test

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    • Type: Icon: Bug Bug
    • Resolution: Cannot Reproduce
    • Priority: Icon: Unknown Unknown
    • None
    • Affects Version/s: None
    • Component/s: Testing
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      1. What would you like to communicate to the user about this feature?
      2. Would you like the user to see examples of the syntax and/or executable code and its output?
      3. Which versions of the driver/connector does this apply to?

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      1. What would you like to communicate to the user about this feature? 2. Would you like the user to see examples of the syntax and/or executable code and its output? 3. Which versions of the driver/connector does this apply to?

      The test

      TestServerSelectionProse/operationCount-based_selection_within_latency_window,_no_failpoint

      fails frequently on Evergreen CI with an error like:

          server_selection_prose_test.go:226:
        	Error Trace:	/mongo/integration/server_selection_prose_test.go:226
        	            				/mongo/integration/mongotest.go:263
        	Error:      	Max difference between 0.5 and 0.7130996309963099 allowed is 0.1, but difference was -0.2130996309963099
        	Test:       	TestServerSelectionProse/operationCount-based_selection_within_latency_window,_no_failpoint
        	Messages:   	expected server "localhost:27018" to be selected 50% (+/- 10%) of the time, but was selected 71.30996309963099% of the time
    server_selection_prose_test.go:226:
        	Error Trace:	/mongo/integration/server_selection_prose_test.go:226
        	            				/mongo/integration/mongotest.go:263
        	Error:      	Max difference between 0.5 and 0.28690036900369004 allowed is 0.1, but difference was 0.21309963099630996
        	Test:       	TestServerSelectionProse/operationCount-based_selection_within_latency_window,_no_failpoint
        	Messages:   	expected server "localhost:27017" to be selected 50% (+/- 10%) of the time, but was selected 28.690036900369005% of the time
--- FAIL: TestServerSelectionProse (0.21s)

      See an example test run here

      Definition of done:

      • TestServerSelectionProse/operationCount-based_selection_within_latency_window,_no_failpoint passes reliably on Evergreen CI.

            Assignee:
            Unassigned Unassigned
            Reporter:
            matt.dale@mongodb.com Matt Dale
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              Created:
              Updated:
              Resolved: