test(smoke): end-to-end smoke driving the real CLI against the containerized fake

internal/fakegitea/fakegitea.go

@@ -133,20 +133,29 @@ type FailSpec struct {
 // New starts a fake on a random port authenticating as login.
 func New(token, login string) *Server {
 	s := newServer(token, login)
-	mux := http.NewServeMux()
-	mux.HandleFunc("/", s.handler)
-	s.srv = httptest.NewServer(mux)
+	s.srv = httptest.NewServer(s.Handler())
 	s.URL = s.srv.URL
 	return s
 }
 
+// NewState builds an unstarted fake: seed it with the Add* methods, then
+// serve Handler() however the process needs (the smoke run does).
+func NewState(token, login string) *Server {
+	return newServer(token, login)
+}
+
+// Handler returns the fake's HTTP handler.
+func (s *Server) Handler() http.Handler {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", s.handler)
+	return mux
+}
+
 // ListenAndServe runs the fake on a fixed address (the smoke run boots it
 // in a container). An empty token disables auth checking.
 func ListenAndServe(addr, token string) error {
 	s := newServer(token, "ukrrs")
-	mux := http.NewServeMux()
-	mux.HandleFunc("/", s.handler)
-	return http.ListenAndServe(addr, mux)
+	return http.ListenAndServe(addr, s.Handler())
 }
 
 func newServer(token, login string) *Server {