cmroubao/backend-api/internal/transport/httpapi/preflight_error_test.go

package httpapi

import (
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"

	"cmroubao/backend-api/internal/usecase"

	"github.com/gin-gonic/gin"
)

func TestWriteUsecaseErrorUsesPreflightStatusAndCode(t *testing.T) {
	testCases := []struct {
		code   string
		status int
	}{
		{"ERP_NOT_CONFIGURED", http.StatusUnprocessableEntity},
		{"ERP_LOGIN_REJECTED", http.StatusUnprocessableEntity},
		{"ERP_RESPONSE_INVALID", http.StatusBadGateway},
		{"OCR_SERVICE_INVALID", http.StatusServiceUnavailable},
		{"ERP_UNAVAILABLE", http.StatusServiceUnavailable},
		{"FREIGHT_SYNC_TIMEOUT", http.StatusGatewayTimeout},
	}
	for _, testCase := range testCases {
		t.Run(testCase.code, func(t *testing.T) {
			gin.SetMode(gin.TestMode)
			router := gin.New()
			router.GET("/test", func(ctx *gin.Context) {
				writeUsecaseError(ctx, &usecase.Error{
					Kind:    usecase.ErrorKindUnavailable,
					Code:    testCase.code,
					Message: "private upstream response is hidden",
					Fields:  map[string]string{},
				})
			})
			response := httptest.NewRecorder()
			router.ServeHTTP(response, httptest.NewRequest(http.MethodGet, "/test", nil))
			if response.Code != testCase.status ||
				!strings.Contains(response.Body.String(), testCase.code) ||
				strings.Contains(response.Body.String(), "private upstream") {
				t.Fatalf("response = %d / %s", response.Code, response.Body)
			}
		})
	}
}