英文:
Why does gin SetCookie add new cookies but not change the old ones?
问题
我正在尝试测试 Logout 处理程序，其中有一个 ctx.SetCookie 方法：
func (a *authController) Logout(ctx *gin.Context) {refreshToken, err := ctx.Cookie("refresh_token")...ctx.SetCookie("access_token", "", -1, "/", "localhost", false, true)ctx.SetCookie("refresh_token", "", -1, "/", "localhost", false, true)ctx.SetCookie("logged_in", "", -1, "/", "localhost", false, true)ctx.JSON(http.StatusOK, gin.H{"status": "success"})}
测试函数中的代码：
recorder := httptest.NewRecorder()ctx, _ := gin.CreateTestContext(recorder)ctx.SetCookie("logged_in", "truee", 60*60, "/", "localhost", false, false)req, _ := http.NewRequest("GET", "/logout", nil)http.SetCookie(recorder, &http.Cookie{Name: "refresh_token", Value: "encodedRefreshToken", MaxAge: 60 * 60, Path: "/", Domain: "localhost", Secure: false, HttpOnly: true}})http.SetCookie(recorder, &http.Cookie{Name: "access_token", Value: "encodedAccessToken", MaxAge: 60 * 60, Path: "/", Domain: "localhost", Secure: false, HttpOnly: true})req.Header = http.Header{"Cookie": recorder.Result().Header["Set-Cookie"]}ctx.Request = reqtest.mock()authController.Logout(ctx)
调用后，我尝试检查 cookie 是否已被删除：
cookies := recorder.Result().Cookies()for _, c := range cookies {if c.Name == "access_token" {assert.Equal(t, "", c.Value)}...}
我遇到的问题是 SetCookie 方法不会更改 cookie，而是添加新的 cookie。也就是说，在调用该方法后，我有两对带有 access Token 的 cookie。
结果导致测试未通过。我不明白我做错了什么，是否可以解决？或者这是正常的行为？
英文:
I'm trying to test the Logout handler where there is a ctx.SetCookie method:
func (a *authController) Logout(ctx *gin.Context) {refreshToken, err := ctx.Cookie("refresh_token")...ctx.SetCookie("access_token", "", -1, "/", "localhost", false, true)ctx.SetCookie("refresh_token", "", -1, "/", "localhost", false, true)ctx.SetCookie("logged_in", "", -1, "/", "localhost", false, true)ctx.JSON(http.StatusOK, gin.H{"status": "success"})}
code inside the test function:
recorder := httptest.NewRecorder()ctx, _ := gin.CreateTestContext(recorder)ctx.SetCookie("logged_in", "truee", 60*60, "/", "localhost", false, false)req, _ := http.NewRequest("GET", "/logout", nil)http.SetCookie(recorder, &http.Cookie{Name: "refresh_token", Value: "encodedRefreshToken", MaxAge: 60 * 60, Path: "/", Domain: "localhost", Secure: false, HttpOnly: true}})http.SetCookie(recorder, &http.Cookie{Name: "access_token", Value: "encodedAccessToken", MaxAge: 60 * 60, Path: "/", Domain: "localhost", Secure: false, HttpOnly: true})req.Header = http.Header{"Cookie": recorder.Result().Header["Set-Cookie"]}ctx.Request = reqtest.mock()authController.Logout(ctx)
After the call, I'm trying to check if the cookies have been deleted:
coockies := recorder.Result().Cookies()for _, c := range coockies {if c.Name == "access_token" {assert.Equal(t, "", c.Value)}...}
And I face such a problem that setCookie does not change cookies , but adds new ones . That is, after calling this method, I have two pairs of cookies with access Token, etc.
And as a result, the tests do not pass. I don't understand I'm doing something wrong and can it be solved somehow? or is that how it should be ?
答案1
得分: 1
使用AddCookie为recorder设置cookie。
我认为你应该像这样测试Logout处理程序：
package ${your_package}import ("encoding/json""net/http""net/http/httptest""testing""github.com/gin-gonic/gin""github.com/stretchr/testify/assert")func Logout(ctx *gin.Context) {// refreshToken, err := ctx.Cookie("refresh_token")ctx.SetCookie("access_token", "", -1, "/", "localhost", false, true)ctx.SetCookie("refresh_token", "", -1, "/", "localhost", false, true)ctx.SetCookie("logged_in", "", -1, "/", "localhost", false, true)ctx.JSON(http.StatusOK, gin.H{"status": "success"})}func setupRouter() *gin.Engine {r := gin.Default()r.GET("/logout", Logout)return r}func TestLogout(t *testing.T) {w := httptest.NewRecorder()r := setupRouter()req, err := http.NewRequest("GET", "/logout", nil)assert.Nil(t, err)req.AddCookie(&http.Cookie{Name: "refresh_token", Value: "encodedRefreshToken", MaxAge: 60 * 60, Path: "/", Domain: "localhost", Secure: false, HttpOnly: true})req.AddCookie(&http.Cookie{Name: "access_token", Value: "encodedAccessToken", MaxAge: 60 * 60, Path: "/", Domain: "localhost", Secure: false, HttpOnly: true})r.ServeHTTP(w, req)for _, v := range w.Result().Cookies() {if v.Name == "access_token" {assert.Equal(t, "", v.Value)}}assert.Equal(t, http.StatusOK, w.Code)respBody := &gin.H{}err = json.Unmarshal(w.Body.Bytes(), respBody)assert.Nil(t, err)assert.Equal(t, gin.H{"status": "success"}, *respBody)}
=== RUN TestLogout[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.[GIN-debug] [WARNING] Running in "debug" mode. Switch to "release" mode in production.- using env: export GIN_MODE=release- using code: gin.SetMode(gin.ReleaseMode)[GIN-debug] GET /logout --> app.Logout (3 handlers)[GIN] 2022/09/19 - 10:46:00 | 200 | 81μs | | GET "/logout"--- PASS: TestLogout (0.00s)PASS
参考：https://gin-gonic.com/docs/testing/
英文:
Use AddCookie to set cookie for the recorder.
I think you should test the Logout handler like this:
package ${your_package}import ("encoding/json""net/http""net/http/httptest""testing""github.com/gin-gonic/gin""github.com/stretchr/testify/assert")func Logout(ctx *gin.Context) {// refreshToken, err := ctx.Cookie("refresh_token")ctx.SetCookie("access_token", "", -1, "/", "localhost", false, true)ctx.SetCookie("refresh_token", "", -1, "/", "localhost", false, true)ctx.SetCookie("logged_in", "", -1, "/", "localhost", false, true)ctx.JSON(http.StatusOK, gin.H{"status": "success"})}func setupRouter() *gin.Engine {r := gin.Default()r.GET("/logout", Logout)return r}func TestLogout(t *testing.T) {w := httptest.NewRecorder()r := setupRouter()req, err := http.NewRequest("GET", "/logout", nil)assert.Nil(t, err)req.AddCookie(&http.Cookie{Name: "refresh_token", Value: "encodedRefreshToken", MaxAge: 60 * 60, Path: "/", Domain: "localhost", Secure: false, HttpOnly: true})req.AddCookie(&http.Cookie{Name: "access_token", Value: "encodedAccessToken", MaxAge: 60 * 60, Path: "/", Domain: "localhost", Secure: false, HttpOnly: true})r.ServeHTTP(w, req)for _, v := range w.Result().Cookies() {if v.Name == "access_token" {assert.Equal(t, "", v.Value)}}assert.Equal(t, http.StatusOK, w.Code)respBody := &gin.H{}err = json.Unmarshal(w.Body.Bytes(), respBody)assert.Nil(t, err)assert.Equal(t, gin.H{"status": "success"}, *respBody)}
=== RUN TestLogout[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.[GIN-debug] [WARNING] Running in "debug" mode. Switch to "release" mode in production.- using env: export GIN_MODE=release- using code: gin.SetMode(gin.ReleaseMode)[GIN-debug] GET /logout --> app.Logout (3 handlers)[GIN] 2022/09/19 - 10:46:00 | 200 | 81µs | | GET "/logout"--- PASS: TestLogout (0.00s)PASS
Reference: https://gin-gonic.com/docs/testing/
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