1 files changed, 38 insertions, 0 deletions
diff --git a/modules/util/legacy_test.go b/modules/util/legacy_test.go
new file mode 100644
index 0000000..62c2f8a
--- /dev/null
+++ b/modules/util/legacy_test.go
@@ -0,0 +1,38 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package util
+
+import (
+	"fmt"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestCopyFile(t *testing.T) {
+	testContent := []byte("hello")
+
+	tmpDir := os.TempDir()
+	now := time.Now()
+	srcFile := fmt.Sprintf("%s/copy-test-%d-src.txt", tmpDir, now.UnixMicro())
+	dstFile := fmt.Sprintf("%s/copy-test-%d-dst.txt", tmpDir, now.UnixMicro())
+
+	_ = os.Remove(srcFile)
+	_ = os.Remove(dstFile)
+	defer func() {
+		_ = os.Remove(srcFile)
+		_ = os.Remove(dstFile)
+	}()
+
+	err := os.WriteFile(srcFile, testContent, 0o777)
+	require.NoError(t, err)
+	err = CopyFile(srcFile, dstFile)
+	require.NoError(t, err)
+	dstContent, err := os.ReadFile(dstFile)
+	require.NoError(t, err)
+	assert.Equal(t, testContent, dstContent)
+}