From e9716a72e677113ea105eca27fb63022fae1f407 Mon Sep 17 00:00:00 2001
From: admin <markusmorgenstern87@outlook.de>
Date: Thu, 7 Aug 2025 15:50:06 +0200
Subject: [PATCH] add IsSameAs method

---
 exception.go      |  6 ++++++
 exception_test.go | 11 +++++++++++
 2 files changed, 17 insertions(+)

diff --git a/exception.go b/exception.go
index 51ea232..e4aacf4 100644
--- a/exception.go
+++ b/exception.go
@@ -4,11 +4,13 @@ import (
 	"bytes"
 	"fmt"
 	"os"
+	"strings"
 )
 
 type Custom interface {
 	error
 	With(innerErr ...error) Custom
+	IsSameAs(err error) bool
 }
 
 func NewCustom(message string, innerErr ...error) Custom {
@@ -28,6 +30,10 @@ func (ex *custom) With(innerErr ...error) Custom {
 	return ex
 }
 
+func (ex *custom) IsSameAs(err error) bool {
+	return strings.HasPrefix(err.Error(), fmt.Sprintf("[%s]:", ex.message))
+}
+
 func (ex *custom) Error() string {
 	buf := bytes.NewBufferString("")
 	if len(ex.innerErrors) > 0 {
diff --git a/exception_test.go b/exception_test.go
index 7a975c6..eae5ae5 100644
--- a/exception_test.go
+++ b/exception_test.go
@@ -37,6 +37,17 @@ func (suite *CustomExceptionTestSuite) TestShouldAddInnerErrorsAfterCreation() {
 	suite.Equal(ex.Error(), "[fail]:\ninnerError1\ninnerError2")
 }
 
+func (suite *CustomExceptionTestSuite) TestShouldCompareExceptions() {
+	InvalidArgumentException := exception.NewCustom("InvalidArgumentException")
+	NotFoundException := exception.NewCustom("NotFoundException")
+	customErr := fmt.Errorf("something")
+
+	suite.True(InvalidArgumentException.IsSameAs(InvalidArgumentException))
+	suite.False(NotFoundException.IsSameAs(InvalidArgumentException))
+	suite.False(NotFoundException.IsSameAs(customErr))
+	suite.False(InvalidArgumentException.IsSameAs(customErr))
+}
+
 func TestCustomExceptionTestSuite(t *testing.T) {
 	suite.Run(t, new(CustomExceptionTestSuite))
 }