test: reactions (#1081)

testing/recordingserver.go

@@ -0,0 +1,19 @@
+package testing
+
+import "net/http"
+
+type RecordingServer struct {
+	Entries []string
+}
+
+func NewRecordingServer() *RecordingServer {
+	return &RecordingServer{}
+}
+
+func (s *RecordingServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	s.Entries = append(s.Entries, r.URL.Path)
+
+	w.WriteHeader(http.StatusOK)
+	w.Header().Set("Content-Type", "application/json")
+	w.Write([]byte(`{"test":true}`)) //nolint:errcheck
+}