1 files changed, 47 insertions, 0 deletions
diff --git a/internal/lfsutil/oid_test.go b/internal/lfsutil/oid_test.go
new file mode 100644
index 00000000..1e3b020a
--- /dev/null
+++ b/internal/lfsutil/oid_test.go
@@ -0,0 +1,47 @@
+// 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 lfsutil
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestValidOID(t *testing.T) {
+	tests := []struct {
+		name   string
+		oid    OID
+		expVal bool
+	}{
+		{
+			name: "malformed",
+			oid:  OID("12345678"),
+		},
+		{
+			name: "unknown method",
+			oid:  OID("sha1:7c222fb2927d828af22f592134e8932480637c0d"),
+		},
+
+		{
+			name: "sha256: malformed",
+			oid:  OID("sha256:7c222fb2927d828af22f592134e8932480637c0d"),
+		},
+		{
+			name: "sha256: not all lower cased",
+			oid:  OID("sha256:EF797c8118f02dfb649607dd5d3f8c7623048c9c063d532cc95c5ed7a898a64f"),
+		},
+		{
+			name:   "sha256: valid",
+			oid:    OID("sha256:ef797c8118f02dfb649607dd5d3f8c7623048c9c063d532cc95c5ed7a898a64f"),
+			expVal: true,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			assert.Equal(t, test.expVal, ValidOID(test.oid))
+		})
+	}
+}