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// Copyright 2017 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rpc
import (
"net/http"
"net/http/httptest"
"strings"
"testing"
)
func confirmStatusCode(t *testing.T, got, want int) {
t.Helper()
if got == want {
return
}
if gotName := http.StatusText(got); len(gotName) > 0 {
if wantName := http.StatusText(want); len(wantName) > 0 {
t.Fatalf("response status code: got %d (%s), want %d (%s)", got, gotName, want, wantName)
}
}
t.Fatalf("response status code: got %d, want %d", got, want)
}
func confirmRequestValidationCode(t *testing.T, method, contentType, body string, expectedStatusCode int) {
t.Helper()
request := httptest.NewRequest(method, "http://url.com", strings.NewReader(body))
if len(contentType) > 0 {
request.Header.Set("Content-Type", contentType)
}
code, err := validateRequest(request)
if code == 0 {
if err != nil {
t.Errorf("validation: got error %v, expected nil", err)
}
} else if err == nil {
t.Errorf("validation: code %d: got nil, expected error", code)
}
confirmStatusCode(t, code, expectedStatusCode)
}
func TestHTTPErrorResponseWithDelete(t *testing.T) {
confirmRequestValidationCode(t, http.MethodDelete, contentType, "", http.StatusMethodNotAllowed)
}
func TestHTTPErrorResponseWithPut(t *testing.T) {
confirmRequestValidationCode(t, http.MethodPut, contentType, "", http.StatusMethodNotAllowed)
}
func TestHTTPErrorResponseWithMaxContentLength(t *testing.T) {
body := make([]rune, maxRequestContentLength+1)
confirmRequestValidationCode(t,
http.MethodPost, contentType, string(body), http.StatusRequestEntityTooLarge)
}
func TestHTTPErrorResponseWithEmptyContentType(t *testing.T) {
confirmRequestValidationCode(t, http.MethodPost, "", "", http.StatusUnsupportedMediaType)
}
func TestHTTPErrorResponseWithValidRequest(t *testing.T) {
confirmRequestValidationCode(t, http.MethodPost, contentType, "", 0)
}
func confirmHTTPRequestYieldsStatusCode(t *testing.T, method, contentType, body string, expectedStatusCode int) {
t.Helper()
s := Server{}
ts := httptest.NewServer(&s)
defer ts.Close()
request, err := http.NewRequest(method, ts.URL, strings.NewReader(body))
if err != nil {
t.Fatalf("failed to create a valid HTTP request: %v", err)
}
if len(contentType) > 0 {
request.Header.Set("Content-Type", contentType)
}
resp, err := http.DefaultClient.Do(request)
if err != nil {
t.Fatalf("request failed: %v", err)
}
confirmStatusCode(t, resp.StatusCode, expectedStatusCode)
}
func TestHTTPResponseWithEmptyGet(t *testing.T) {
confirmHTTPRequestYieldsStatusCode(t, http.MethodGet, "", "", http.StatusOK)
}