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fix: Use Prometheus standard content-type #1022

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Merged
merged 1 commit into from
May 1, 2025
Merged

fix: Use Prometheus standard content-type #1022

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4 changes: 4 additions & 0 deletions serve.go
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Original file line number Diff line number Diff line change
Expand Up @@ -186,5 +186,9 @@ func (h healthHandler) responseContentType(outputName string) string {
if outputName == "json" {
return "application/json"
}
if outputName == "prometheus" {
return "text/plain; version=0.0.4"
}

return fmt.Sprintf("%s%s", mediaTypePrefix, outputName)
}
9 changes: 9 additions & 0 deletions serve_test.go
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Expand Up @@ -117,6 +117,15 @@ func TestServeNegotiatingContent(t *testing.T) {
expectedHTTPStatus: http.StatusOK,
expectedContentType: "application/json",
},
"accept prometheus": {
acceptHeader: []string{
"text/plain; version=0.0.4",
},
outputFormat: "prometheus",
specFile: filepath.Join("testdata", "passing.goss.yaml"),
expectedHTTPStatus: http.StatusOK,
expectedContentType: "text/plain; version=0.0.4",
},
"accept header contains vendor-specific output format different from process-level": {
acceptHeader: []string{
"application/vnd.goss-rspecish",
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