@@ -106,6 +106,64 @@ func TestPrometheus(t *testing.T) {
106106require .Equal (t ,"/api/v2/users/{user}" ,concurrentRequests ["path" ])
107107require .Equal (t ,"GET" ,concurrentRequests ["method" ])
108108})
109+
110+ t .Run ("StaticRoute" ,func (t * testing.T ) {
111+ t .Parallel ()
112+ reg := prometheus .NewRegistry ()
113+ promMW := httpmw .Prometheus (reg )
114+
115+ r := chi .NewRouter ()
116+ r .Use (promMW )
117+ r .NotFound (func (w http.ResponseWriter ,r * http.Request ) {
118+ w .WriteHeader (http .StatusNotFound )
119+ })
120+ r .Get ("/static/" ,func (w http.ResponseWriter ,r * http.Request ) {
121+ w .WriteHeader (http .StatusOK )
122+ })
123+
124+ req := httptest .NewRequest ("GET" ,"/static/bundle.js" ,nil )
125+ sw := & tracing.StatusWriter {ResponseWriter :httptest .NewRecorder ()}
126+
127+ r .ServeHTTP (sw ,req )
128+
129+ metrics ,err := reg .Gather ()
130+ require .NoError (t ,err )
131+ require .Greater (t ,len (metrics ),0 )
132+ metricLabels := getMetricLabels (metrics )
133+
134+ reqProcessed ,ok := metricLabels ["coderd_api_requests_processed_total" ]
135+ require .True (t ,ok ,"coderd_api_requests_processed_total metric not found" )
136+ require .Equal (t ,"STATIC" ,reqProcessed ["path" ])
137+ require .Equal (t ,"GET" ,reqProcessed ["method" ])
138+ })
139+
140+ t .Run ("UnknownRoute" ,func (t * testing.T ) {
141+ t .Parallel ()
142+ reg := prometheus .NewRegistry ()
143+ promMW := httpmw .Prometheus (reg )
144+
145+ r := chi .NewRouter ()
146+ r .Use (promMW )
147+ r .NotFound (func (w http.ResponseWriter ,r * http.Request ) {
148+ w .WriteHeader (http .StatusNotFound )
149+ })
150+ r .Get ("/api/v2/users/{user}" ,func (w http.ResponseWriter ,r * http.Request ) {})
151+
152+ req := httptest .NewRequest ("GET" ,"/api/v2/weird_path" ,nil )
153+ sw := & tracing.StatusWriter {ResponseWriter :httptest .NewRecorder ()}
154+
155+ r .ServeHTTP (sw ,req )
156+
157+ metrics ,err := reg .Gather ()
158+ require .NoError (t ,err )
159+ require .Greater (t ,len (metrics ),0 )
160+ metricLabels := getMetricLabels (metrics )
161+
162+ reqProcessed ,ok := metricLabels ["coderd_api_requests_processed_total" ]
163+ require .True (t ,ok ,"coderd_api_requests_processed_total metric not found" )
164+ require .Equal (t ,"UNKNOWN" ,reqProcessed ["path" ])
165+ require .Equal (t ,"GET" ,reqProcessed ["method" ])
166+ })
109167}
110168
111169func getMetricLabels (metrics []* cm.MetricFamily )map [string ]map [string ]string {