func Run() error {
ctx := context.Background()
ctx, cancel := context.WithCancel(ctx)
defer cancel()
mux := runtime.NewServeMux()
err := examplepb.RegisterEchoServiceHandlerFromEndpoint(ctx, mux, *echoEndpoint)
if err != nil {
return err
}
err = examplepb.RegisterABitOfEverythingServiceHandlerFromEndpoint(ctx, mux, *abeEndpoint)
if err != nil {
return err
}
err = examplepb.RegisterFlowCombinationHandlerFromEndpoint(ctx, mux, *flowEndpoint)
if err != nil {
return err
}
http.ListenAndServe(":8080", mux)
return nil
}
func TestMuxServeHTTP(t *testing.T) {
type stubPattern struct {
method string
ops []int
pool []string
}
for _, spec := range []struct {
patterns []stubPattern
reqMethod string
reqPath string
headers map[string]string
respStatus int
respContent string
}{
{
patterns: nil,
reqMethod: "GET",
reqPath: "/",
respStatus: http.StatusNotFound,
},
{
patterns: []stubPattern{
{
method: "GET",
ops: []int{int(utilities.OpLitPush), 0},
pool: []string{"foo"},
},
},
reqMethod: "GET",
reqPath: "/foo",
respStatus: http.StatusOK,
respContent: "GET /foo",
},
{
patterns: []stubPattern{
{
method: "GET",
ops: []int{int(utilities.OpLitPush), 0},
pool: []string{"foo"},
},
},
reqMethod: "GET",
reqPath: "/bar",
respStatus: http.StatusNotFound,
},
{
patterns: []stubPattern{
{
method: "GET",
ops: []int{int(utilities.OpLitPush), 0},
pool: []string{"foo"},
},
{
method: "GET",
ops: []int{int(utilities.OpPush), 0},
},
},
reqMethod: "GET",
reqPath: "/foo",
respStatus: http.StatusOK,
respContent: "GET /foo",
},
{
patterns: []stubPattern{
{
method: "GET",
ops: []int{int(utilities.OpLitPush), 0},
pool: []string{"foo"},
},
{
method: "POST",
ops: []int{int(utilities.OpLitPush), 0},
pool: []string{"foo"},
},
},
reqMethod: "POST",
reqPath: "/foo",
respStatus: http.StatusOK,
respContent: "POST /foo",
},
{
patterns: []stubPattern{
{
method: "GET",
ops: []int{int(utilities.OpLitPush), 0},
pool: []string{"foo"},
},
},
reqMethod: "DELETE",
reqPath: "/foo",
respStatus: http.StatusMethodNotAllowed,
},
{
patterns: []stubPattern{
{
method: "GET",
ops: []int{int(utilities.OpLitPush), 0},
pool: []string{"foo"},
},
},
reqMethod: "POST",
reqPath: "/foo",
headers: map[string]string{
"Content-Type": "application/x-www-form-urlencoded",
},
respStatus: http.StatusOK,
respContent: "GET /foo",
},
{
patterns: []stubPattern{
{
method: "GET",
ops: []int{int(utilities.OpLitPush), 0},
pool: []string{"foo"},
},
{
method: "POST",
ops: []int{int(utilities.OpLitPush), 0},
pool: []string{"foo"},
},
},
reqMethod: "POST",
reqPath: "/foo",
headers: map[string]string{
"Content-Type": "application/x-www-form-urlencoded",
"X-HTTP-Method-Override": "GET",
},
respStatus: http.StatusOK,
respContent: "GET /foo",
},
{
patterns: []stubPattern{
{
method: "GET",
ops: []int{int(utilities.OpLitPush), 0},
pool: []string{"foo"},
},
},
reqMethod: "POST",
reqPath: "/foo",
headers: map[string]string{
"Content-Type": "application/json",
},
respStatus: http.StatusMethodNotAllowed,
},
} {
mux := runtime.NewServeMux()
for _, p := range spec.patterns {
func(p stubPattern) {
pat, err := runtime.NewPattern(1, p.ops, p.pool, "")
if err != nil {
t.Fatalf("runtime.NewPattern(1, %#v, %#v, %q) failed with %v; want success", p.ops, p.pool, "", err)
}
mux.Handle(p.method, pat, func(w http.ResponseWriter, r *http.Request, pathParams map[string]string) {
fmt.Fprintf(w, "%s %s", p.method, pat.String())
})
}(p)
}
url := fmt.Sprintf("http://host.example%s", spec.reqPath)
r, err := http.NewRequest(spec.reqMethod, url, bytes.NewReader(nil))
if err != nil {
t.Fatalf("http.NewRequest(%q, %q, nil) failed with %v; want success", spec.reqMethod, url, err)
}
for name, value := range spec.headers {
r.Header.Set(name, value)
}
w := httptest.NewRecorder()
mux.ServeHTTP(w, r)
if got, want := w.Code, spec.respStatus; got != want {
t.Errorf("w.Code = %d; want %d; patterns=%v; req=%v", got, want, spec.patterns, r)
}
if spec.respContent != "" {
if got, want := w.Body.String(), spec.respContent; got != want {
t.Errorf("w.Body = %q; want %q; patterns=%v; req=%v", got, want, spec.patterns, r)
}
}
}
}