util: add tests (#5989)

1 files changed, 53 insertions, 0 deletions

diff --git a/internal/errutil/errutil_test.go b/internal/errutil/errutil_test.go
new file mode 100644
index 00000000..9fcffbc0
--- /dev/null
+++ b/internal/errutil/errutil_test.go
@@ -0,0 +1,53 @@
+// Copyright 2020 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package errutil
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+type notFoundError struct {
+	val bool
+}
+
+func (notFoundError) Error() string {
+	return "not found"
+}
+
+func (e notFoundError) NotFound() bool {
+	return e.val
+}
+
+func TestIsNotFound(t *testing.T) {
+	tests := []struct {
+		name   string
+		err    error
+		expVal bool
+	}{
+		{
+			name:   "error does not implement NotFound",
+			err:    errors.New("a simple error"),
+			expVal: false,
+		},
+		{
+			name:   "error implements NotFound but not a not found",
+			err:    notFoundError{val: false},
+			expVal: false,
+		},
+		{
+			name:   "error implements NotFound",
+			err:    notFoundError{val: true},
+			expVal: true,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			assert.Equal(t, test.expVal, IsNotFound(test.err))
+		})
+	}
+}