add unit tests

pkg/errs/error_test.go

@@ -2,25 +2,58 @@ package errs
 
 import (
 	"errors"
+	"net/http"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 )
 
+func TestErrorError(t *testing.T) {
+	err := New(CATEGORY_SYSTEM, 12, 34, http.StatusInternalServerError, "error message")
+	assert.EqualError(t, err, "error message")
+}
+
+func TestErrorCode(t *testing.T) {
+	err := New(CATEGORY_SYSTEM, 12, 34, http.StatusInternalServerError, "error message")
+	assert.Equal(t, int32(112034), err.Code())
+}
+
 func TestMultiError(t *testing.T) {
 	err1 := errors.New("error1 message")
 	err2 := errors.New("error2 message")
 	err := NewMultiErrorOrNil(err1, err2)
-	assert.Equal(t, "multi errors: error1 message, error2 message", err.Error())
+	assert.EqualError(t, err, "multi errors: error1 message, error2 message")
 }
 
-func TestNewMultiErrorOrNilWithOnlyOneParamerter(t *testing.T) {
+func TestNewMultiErrorOrNilWithOnlyOneParameter(t *testing.T) {
 	err1 := errors.New("error1 message")
 	err := NewMultiErrorOrNil(err1)
 	assert.Equal(t, err1, err)
+	assert.EqualError(t, err, "error1 message")
 }
 
-func TestNewMultiErrorOrNilWithoutOneParamerter(t *testing.T) {
+func TestNewMultiErrorOrNilWithoutOneParameter(t *testing.T) {
 	err := NewMultiErrorOrNil()
 	assert.Nil(t, err)
 }
+
+func TestOr(t *testing.T) {
+	err1 := errors.New("test error")
+	err2 := New(CATEGORY_SYSTEM, 12, 34, http.StatusInternalServerError, "test custom error")
+	err := Or(err1, err2)
+	assert.Equal(t, err2, err)
+	assert.EqualError(t, err, "test custom error")
+
+	err1 = New(CATEGORY_SYSTEM, 12, 34, http.StatusInternalServerError, "test custom error1")
+	err2 = New(CATEGORY_SYSTEM, 23, 45, http.StatusInternalServerError, "test custom error2")
+	err = Or(err1, err2)
+	assert.Equal(t, err1, err)
+	assert.EqualError(t, err, "test custom error1")
+}
+
+func TestIsCustomError(t *testing.T) {
+	err1 := errors.New("test error")
+	err2 := New(CATEGORY_SYSTEM, 12, 34, http.StatusInternalServerError, "test custom error")
+	assert.False(t, IsCustomError(err1))
+	assert.True(t, IsCustomError(err2))
+}