Files
sub2api/backend/internal/handler/gateway_handler_error_fallback_test.go

50 lines
1.4 KiB
Go

package handler
import (
"encoding/json"
"net/http"
"net/http/httptest"
"testing"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestGatewayEnsureForwardErrorResponse_WritesFallbackWhenNotWritten(t *testing.T) {
gin.SetMode(gin.TestMode)
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
c.Request = httptest.NewRequest(http.MethodGet, "/", nil)
h := &GatewayHandler{}
wrote := h.ensureForwardErrorResponse(c, false)
require.True(t, wrote)
require.Equal(t, http.StatusBadGateway, w.Code)
var parsed map[string]any
err := json.Unmarshal(w.Body.Bytes(), &parsed)
require.NoError(t, err)
assert.Equal(t, "error", parsed["type"])
errorObj, ok := parsed["error"].(map[string]any)
require.True(t, ok)
assert.Equal(t, "upstream_error", errorObj["type"])
assert.Equal(t, "Upstream request failed", errorObj["message"])
}
func TestGatewayEnsureForwardErrorResponse_DoesNotOverrideWrittenResponse(t *testing.T) {
gin.SetMode(gin.TestMode)
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
c.Request = httptest.NewRequest(http.MethodGet, "/", nil)
c.String(http.StatusTeapot, "already written")
h := &GatewayHandler{}
wrote := h.ensureForwardErrorResponse(c, false)
require.False(t, wrote)
require.Equal(t, http.StatusTeapot, w.Code)
assert.Equal(t, "already written", w.Body.String())
}