Buffalo should respect http status when returning error

errors.go

@@ -112,14 +112,12 @@ func (a *App) defaultErrorMiddleware(next Handler) Handler {
 		}
 		status := http.StatusInternalServerError
 		// unpack root err and check for HTTPError
-		switch {
-		case errors.Is(err, sql.ErrNoRows):
+		if errors.Is(err, sql.ErrNoRows) {
 			status = http.StatusNotFound
-		default:
-			var h HTTPError
-			if errors.As(err, &h) {
-				status = h.Status
-			}
+		}
+		var h HTTPError
+		if errors.As(err, &h) {
+			status = h.Status
 		}
 		payload := events.Payload{
 			"context": c,

route_info_test.go

@@ -2,6 +2,7 @@ package buffalo
 
 import (
 	"database/sql"
+	"fmt"
 	"net/http"
 	"testing"
 
@@ -22,11 +23,29 @@ func Test_RouteInfo_ServeHTTP_SQL_Error(t *testing.T) {
 		return sql.ErrNoRows
 	})
 
+	app.GET("/bad-2", func(c Context) error {
+		return sql.ErrTxDone
+	})
+
+	app.GET("/gone-unwrap", func(c Context) error {
+		return c.Error(http.StatusGone, sql.ErrTxDone)
+	})
+
+	app.GET("/gone-wrap", func(c Context) error {
+		return c.Error(http.StatusGone, fmt.Errorf("some error wrapping here: %w", sql.ErrNoRows))
+	})
+
 	w := httptest.New(app)
 
 	res := w.HTML("/good").Get()
 	r.Equal(http.StatusOK, res.Code)
 
 	res = w.HTML("/bad").Get()
 	r.Equal(http.StatusNotFound, res.Code)
+
+	res = w.HTML("/gone-wrap").Get()
+	r.Equal(http.StatusGone, res.Code)
+
+	res = w.HTML("/gone-unwrap").Get()
+	r.Equal(http.StatusGone, res.Code)
 }