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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| package httpmetrics | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "testing" | ||
|
|
||
| "github.com/go-chi/chi/v5" | ||
| "github.com/last9/last9-cdk/go/tests" | ||
| "github.com/prometheus/client_golang/prometheus/promhttp" | ||
| "gopkg.in/go-playground/assert.v1" | ||
| ) | ||
|
|
||
| func gochiHandler() http.HandlerFunc { | ||
| return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| w.WriteHeader(http.StatusOK) | ||
| _, _ = w.Write([]byte(chi.URLParam(r, "id"))) | ||
| }) | ||
| } | ||
|
|
||
| func TestGoChiMux(t *testing.T) { | ||
| t.Run("wrapped go-chi handler captures path", func(t *testing.T) { | ||
| resetMetrics() | ||
| m := chi.NewRouter() | ||
| m.Handle("/api/{id}", REDHandler(gochiHandler())) | ||
| // bind metrics | ||
| m.Handle("/metrics", promhttp.Handler()) | ||
|
|
||
| srv := tests.MakeServer(m) | ||
| defer srv.Close() | ||
|
|
||
| ids, err := tests.SendTestRequests(srv.URL, 10) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| o, err := tests.GetMetrics(srv.URL) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| assert.Equal(t, len(ids) > 0, true) | ||
| rms := o["http_requests_duration_milliseconds"] | ||
| // fmt.Println(rms.GetMetric()) | ||
| assert.Equal(t, 1, len(rms.GetMetric())) | ||
| assert.Equal(t, 7, | ||
| assertLabels("/api/{id}", getDomain(srv), rms)) | ||
| }) | ||
|
|
||
| t.Run("wrapped go-chi mux captures path", func(t *testing.T) { | ||
| resetMetrics() | ||
|
|
||
| m := chi.NewRouter() | ||
| m.Use(REDHandlerWithLabelMaker(figureOutLabelMaker)) | ||
| m.Handle("/api/{id}", gochiHandler()) | ||
| m.Handle("/metrics", promhttp.Handler()) | ||
|
|
||
| srv := tests.MakeServer(REDHandler(m)) | ||
| defer srv.Close() | ||
|
|
||
| ids, err := tests.SendTestRequests(srv.URL, 2) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| o, err := tests.GetMetrics(srv.URL) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| assert.Equal(t, len(ids) > 0, true) | ||
| rms := o["http_requests_duration_milliseconds"] | ||
| assert.Equal(t, 1, len(rms.GetMetric())) | ||
| assert.Equal(t, 7, | ||
| assertLabels("/api/{id}", getDomain(srv), rms)) | ||
| }) | ||
|
|
||
| t.Run("go-chi mux middleware captures path", func(t *testing.T) { | ||
| resetMetrics() | ||
|
|
||
| m := chi.NewRouter() | ||
| m.Use(REDHandler) | ||
| m.Handle("/api/{id}", gochiHandler()) | ||
| m.Handle("/metrics", promhttp.Handler()) | ||
| srv := tests.MakeServer(m) | ||
| defer srv.Close() | ||
|
|
||
| ids, err := tests.SendTestRequests(srv.URL, 10) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| o, err := tests.GetMetrics(srv.URL) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| assert.Equal(t, len(ids) > 0, true) | ||
| rms := o["http_requests_duration_milliseconds"] | ||
| assert.Equal(t, 1, len(rms.GetMetric())) | ||
| assert.Equal(t, 7, | ||
| assertLabels("/api/{id}", getDomain(srv), rms)) | ||
| }) | ||
| } |