From a06e26a0a7b279c2d28ced30a26e71bec26fa13e Mon Sep 17 00:00:00 2001
From: chyroc <chyroc@qq.com>
Date: Mon, 21 Oct 2019 09:26:20 +0800
Subject: [PATCH] fix-test

---
 errors.go         | 20 +++++++++++++++++++-
 errors_13_test.go | 13 +++++++++----
 2 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/errors.go b/errors.go
index 5c776afa..8cb0c743 100644
--- a/errors.go
+++ b/errors.go
@@ -25,7 +25,7 @@ type Errors []error
 func IsRecordNotFoundError(err error) bool {
 	if errs, ok := err.(Errors); ok {
 		for _, err := range errs {
-			if isError(err, ErrRecordNotFound) {
+			if IsRecordNotFoundError(err) {
 				return true
 			}
 		}
@@ -70,3 +70,21 @@ func (errs Errors) Error() string {
 	}
 	return strings.Join(errors, "; ")
 }
+
+func (errs Errors) Is(target error) bool {
+	if target == nil {
+		return errs == nil
+	}
+
+	for _, err := range errs {
+		if errs, ok := err.(Errors); ok {
+			if errs.Is(target) {
+				return true
+			}
+			continue
+		}
+		return errors.Is(err, target)
+	}
+
+	return false
+}
diff --git a/errors_13_test.go b/errors_13_test.go
index c85c1a39..f794f9b1 100644
--- a/errors_13_test.go
+++ b/errors_13_test.go
@@ -19,11 +19,16 @@ func TestNotFound(t *testing.T) {
 		gorm.Errors{gorm.ErrRecordNotFound, fmt.Errorf("get user fail: %w", gorm.ErrRecordNotFound)},
 		gorm.Errors{fmt.Errorf("get user fail: %w", gorm.ErrRecordNotFound), fmt.Errorf("get user fail: %w", gorm.ErrRecordNotFound)},
 		gorm.Errors{gorm.Errors{fmt.Errorf("get user fail: %w", gorm.ErrRecordNotFound), gorm.ErrRecordNotFound}, gorm.ErrRecordNotFound},
+
+		fmt.Errorf("get user fail: %w", gorm.Errors{gorm.ErrRecordNotFound}),
+		fmt.Errorf("get user fail: %w", gorm.Errors{gorm.ErrRecordNotFound, fmt.Errorf("get user fail: %w", gorm.ErrRecordNotFound)}),
+		fmt.Errorf("get user fail: %w", gorm.Errors{fmt.Errorf("get user fail: %w", gorm.ErrRecordNotFound), gorm.ErrRecordNotFound}),
+		fmt.Errorf("get user fail: %w", gorm.Errors{fmt.Errorf("get user fail: %w", gorm.ErrRecordNotFound), fmt.Errorf("get user fail: %w", gorm.ErrRecordNotFound)}),
 	}
 
-	for _, err := range errs {
+	for idx, err := range errs {
 		if !gorm.IsRecordNotFoundError(err) {
-			t.Errorf("%s should be ErrRecordNotFound", err)
+			t.Errorf("%s(%d) should be ErrRecordNotFound", err, idx)
 		}
 	}
 
@@ -34,9 +39,9 @@ func TestNotFound(t *testing.T) {
 		fmt.Errorf("get user fail: %+v", gorm.ErrRecordNotFound),
 	}
 
-	for _, err := range errs {
+	for idx, err := range errs {
 		if gorm.IsRecordNotFoundError(err) {
-			t.Errorf("%s should not be ErrRecordNotFound", err)
+			t.Errorf("%s(%d) should not be ErrRecordNotFound", err, idx)
 		}
 	}
 }