我正在尝试测试我的 API。在这种情况下,我有这个主文件:package mainimport ( "fmt" "net/http" "github.com/gin-gonic/gin")func main() { r := getRouter() r.Run(":8080")}func getRouter() *gin.Engine { // We create the instance for Gin r := gin.Default() // Path to the static files. /static is rendered in the HTML and /media is the link to the path to the images, svg, css.. the static files r.StaticFS("/static", http.Dir("../media")) // Path to the HTML templates. * is a wildcard r.LoadHTMLGlob("*.html") r.NoRoute(renderHome) // This get executed when the users gets into our website in the home domain ("/") r.GET("/", renderHome) r.POST("/", getData) return r}func renderHome(c *gin.Context) { c.HTML(http.StatusOK, "my-html.html", gin.H{})}func getData(c *gin.Context) { formData := &struct { ID int `json:"mykey" binding:"required" ` }{} // Validation (with Gin) if err := c.Bind(formData); err != nil { c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) fmt.Print(err) return }}我有这个main_test文件package mainimport ( "bytes" "net/http" "net/http/httptest" "testing" "github.com/stretchr/testify/assert")func TestPost(t *testing.T) { // Create Infraestructure router := getRouter() w := httptest.NewRecorder() // Rent Bike body := bytes.NewBuffer([]byte("{\"mykey\":1}")) req, _ := http.NewRequest("POST", "/", body) router.ServeHTTP(w, req) // Test data assert.Equal(t, http.StatusOK, w.Code)}测试失败,因为在绑定时,Gin找不到json密钥,给出错误mykeyKey: 'ID' Error:Field validation for 'ID' failed on the 'required' tag为什么会发生这种情况?我尝试以不同的方式格式化JSON正文,但我无法使其正常工作
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九州编程
TA贡献1785条经验 获得超4个赞
Gin 根据请求选择要使用的绑定。Content-Type
使用 Bind 方法时,Gin 会尝试根据内容类型标头推断绑定程序。如果您确定要绑定的内容,则可以使用 MustBindWith 或 ShouldBindWith。
将代码更改为:
req, err := http.NewRequest("POST", "/", body) require.Nil(t, err) req.Header.Set("Content-Type", "application/json") router.ServeHTTP(w, req)
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