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internal/testrunner/runners/pipeline: output documents with fields in a normalized order #644

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merged 1 commit into from
Jan 13, 2022
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internal/testrunner/runners/pipeline: output documents with fields in a normalized order #644

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18 changes: 17 additions & 1 deletion internal/testrunner/runners/pipeline/test_result.go
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Original file line number Diff line number Diff line change
Expand Up @@ -146,13 +146,29 @@ func unmarshalTestResult(body []byte) (*testResult, error) {
func marshalTestResultDefinition(result *testResult) ([]byte, error) {
var trd testResultDefinition
trd.Expected = result.events
body, err := json.MarshalIndent(&trd, "", " ")
body, err := marshalNormalizedJSON(trd)
if err != nil {
return nil, errors.Wrap(err, "marshalling test result definition failed")
}
return body, nil
}

// marshalNormalizedJSON marshals test results ensuring that field
// order remains consistent independent of field order returned by
// ES to minimize diff noise during changes.
func marshalNormalizedJSON(v testResultDefinition) ([]byte, error) {
msg, err := json.Marshal(v)
if err != nil {
return msg, err
}
var obj interface{}
err = json.Unmarshal(msg, &obj)
if err != nil {
return msg, err
}
return json.MarshalIndent(obj, "", " ")
}

func expectedTestResultFile(testFile string) string {
return fmt.Sprintf("%s%s", testFile, expectedTestResultSuffix)
}