rpc: use method constants instead of literal strings (#15652)

This commit is contained in:
Vitaly V 2017-12-12 21:12:32 +03:00 committed by Felix Lange
parent fd777bb210
commit f258a21a63
2 changed files with 9 additions and 9 deletions

@ -67,7 +67,7 @@ func (hc *httpConn) Close() error {
// DialHTTP creates a new RPC clients that connection to an RPC server over HTTP.
func DialHTTP(endpoint string) (*Client, error) {
req, err := http.NewRequest("POST", endpoint, nil)
req, err := http.NewRequest(http.MethodPost, endpoint, nil)
if err != nil {
return nil, err
}
@ -149,7 +149,7 @@ func NewHTTPServer(cors []string, srv *Server) *http.Server {
// ServeHTTP serves JSON-RPC requests over HTTP.
func (srv *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
// Permit dumb empty requests for remote health-checks (AWS)
if r.Method == "GET" && r.ContentLength == 0 && r.URL.RawQuery == "" {
if r.Method == http.MethodGet && r.ContentLength == 0 && r.URL.RawQuery == "" {
return
}
if code, err := validateRequest(r); err != nil {
@ -169,7 +169,7 @@ func (srv *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
// validateRequest returns a non-zero response code and error message if the
// request is invalid.
func validateRequest(r *http.Request) (int, error) {
if r.Method == "PUT" || r.Method == "DELETE" {
if r.Method == http.MethodPut || r.Method == http.MethodDelete {
return http.StatusMethodNotAllowed, errors.New("method not allowed")
}
if r.ContentLength > maxHTTPRequestContentLength {
@ -192,7 +192,7 @@ func newCorsHandler(srv *Server, allowedOrigins []string) http.Handler {
c := cors.New(cors.Options{
AllowedOrigins: allowedOrigins,
AllowedMethods: []string{"POST", "GET"},
AllowedMethods: []string{http.MethodPost, http.MethodGet},
MaxAge: 600,
AllowedHeaders: []string{"*"},
})

@ -24,25 +24,25 @@ import (
)
func TestHTTPErrorResponseWithDelete(t *testing.T) {
testHTTPErrorResponse(t, "DELETE", contentType, "", http.StatusMethodNotAllowed)
testHTTPErrorResponse(t, http.MethodDelete, contentType, "", http.StatusMethodNotAllowed)
}
func TestHTTPErrorResponseWithPut(t *testing.T) {
testHTTPErrorResponse(t, "PUT", contentType, "", http.StatusMethodNotAllowed)
testHTTPErrorResponse(t, http.MethodPut, contentType, "", http.StatusMethodNotAllowed)
}
func TestHTTPErrorResponseWithMaxContentLength(t *testing.T) {
body := make([]rune, maxHTTPRequestContentLength+1)
testHTTPErrorResponse(t,
"POST", contentType, string(body), http.StatusRequestEntityTooLarge)
http.MethodPost, contentType, string(body), http.StatusRequestEntityTooLarge)
}
func TestHTTPErrorResponseWithEmptyContentType(t *testing.T) {
testHTTPErrorResponse(t, "POST", "", "", http.StatusUnsupportedMediaType)
testHTTPErrorResponse(t, http.MethodPost, "", "", http.StatusUnsupportedMediaType)
}
func TestHTTPErrorResponseWithValidRequest(t *testing.T) {
testHTTPErrorResponse(t, "POST", contentType, "", 0)
testHTTPErrorResponse(t, http.MethodPost, contentType, "", 0)
}
func testHTTPErrorResponse(t *testing.T, method, contentType, body string, expected int) {