[docs] Doc fix for testing variables in path (gorilla#374)

The example in the README does not pass the request through a mux therefore the request variables from the path are never populated. Update the sample to create a minimum viable router to use. Fixes gorilla#373
icattlecoder · May 13, 2018 · fdeb7bc · fdeb7bc
1 parent 5e55a4a
commit fdeb7bc
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -601,8  601,11 @@ func TestMetricsHandler(t *testing.T) {
         }
 
         rr := httptest.NewRecorder()
-        handler := http.HandlerFunc(MetricsHandler)
-        handler.ServeHTTP(rr, req)
 
 	// Need to create a router that we can pass the request through so that the vars will be added to the context
 	router := mux.NewRouter()
         router.HandleFunc("/metrics/{type}", MetricsHandler)
         router.ServeHTTP(rr, req)
 
         // In this case, our MetricsHandler returns a non-200 response
         // for a route variable it doesn't know about.