Fix possible panic (#34508)

modules/util/map_test.go

@@ -0,0 +1,26 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package util
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetMapValueOrDefault(t *testing.T) {
+	testMap := map[string]any{
+		"key1": "value1",
+		"key2": 42,
+		"key3": nil,
+	}
+
+	assert.Equal(t, "value1", GetMapValueOrDefault(testMap, "key1", "default"))
+	assert.Equal(t, 42, GetMapValueOrDefault(testMap, "key2", 0))
+
+	assert.Equal(t, "default", GetMapValueOrDefault(testMap, "key4", "default"))
+	assert.Equal(t, 100, GetMapValueOrDefault(testMap, "key5", 100))
+
+	assert.Equal(t, "default", GetMapValueOrDefault(testMap, "key3", "default"))
+}