1 files changed, 54 insertions, 0 deletions
diff --git a/modules/packages/multi_hasher_test.go b/modules/packages/multi_hasher_test.go
new file mode 100644
index 0000000000..6c895ce120
--- /dev/null
+++ b/modules/packages/multi_hasher_test.go
@@ -0,0 +1,54 @@
+// Copyright 2022 The Gitea 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 packages
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+const (
+	expectedMD5    = "e3bef03c5f3b7f6b3ab3e3053ed71e9c"
+	expectedSHA1   = "060b3b99f88e96085b4a68e095bc9e3d1d91e1bc"
+	expectedSHA256 = "6ccce4863b70f258d691f59609d31b4502e1ba5199942d3bc5d35d17a4ce771d"
+	expectedSHA512 = "7f70e439ba8c52025c1f06cdf6ae443c4b8ed2e90059cdb9bbbf8adf80846f185a24acca9245b128b226d61753b0d7ed46580a69c8999eeff3bc13a4d0bd816c"
+)
+
+func TestMultiHasherSums(t *testing.T) {
+	t.Run("Sums", func(t *testing.T) {
+		h := NewMultiHasher()
+		h.Write([]byte("gitea"))
+
+		hashMD5, hashSHA1, hashSHA256, hashSHA512 := h.Sums()
+
+		assert.Equal(t, expectedMD5, fmt.Sprintf("%x", hashMD5))
+		assert.Equal(t, expectedSHA1, fmt.Sprintf("%x", hashSHA1))
+		assert.Equal(t, expectedSHA256, fmt.Sprintf("%x", hashSHA256))
+		assert.Equal(t, expectedSHA512, fmt.Sprintf("%x", hashSHA512))
+	})
+
+	t.Run("State", func(t *testing.T) {
+		h := NewMultiHasher()
+		h.Write([]byte("git"))
+
+		state, err := h.MarshalBinary()
+		assert.NoError(t, err)
+
+		h2 := NewMultiHasher()
+		err = h2.UnmarshalBinary(state)
+		assert.NoError(t, err)
+
+		h2.Write([]byte("ea"))
+
+		hashMD5, hashSHA1, hashSHA256, hashSHA512 := h2.Sums()
+
+		assert.Equal(t, expectedMD5, fmt.Sprintf("%x", hashMD5))
+		assert.Equal(t, expectedSHA1, fmt.Sprintf("%x", hashSHA1))
+		assert.Equal(t, expectedSHA256, fmt.Sprintf("%x", hashSHA256))
+		assert.Equal(t, expectedSHA512, fmt.Sprintf("%x", hashSHA512))
+	})
+}