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How do I resolve pantherlog errors when I try to run multiple schema tests?

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Issue

When trying to test schemas with pantherlog, I get the following error message: 

 Error:      Not equal:
             expected: ""
             actual  : "Custom.SampleLog.V1"

             Diff:
             --- Expected
             +++ Actual
             @@ -1 +1 @@
             -
             +Custom.SampleLog.V1

Resolution

To resolve this issue: 

  1. Make sure your schema test does not attempt to include multiple tests, like this:
input: |
  1,staging
  2,production
  1. Move each individual test into its own file.
  2. Use pantherlog to run multiple tests at once using the following format:
$ pantherlog test schema.yml schema_tests.yml other_schema_tests.yml

If you experience this error, but the symptom listed here does not apply to your use case, please contact the Panther Support at support@panther.com.

Cause

This can occur if your schema test includes multiple tests formatted incorrectly.