diff --git a/test/use_case/compat/v32_test.dart b/test/use_case/compat/v32_test.dart
new file mode 100644
index 00000000..07ba1bed
--- /dev/null
+++ b/test/use_case/compat/v32_test.dart
@@ -0,0 +1,39 @@
+import 'package:nc_photos/use_case/compat/v32.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group("CompatV32", () {
+    group("isPrefNeedMigration", () {
+      test("w/ accounts", () async {
+        SharedPreferences.setMockInitialValues({
+          "accounts": [
+            """{"scheme":"http","address":"example.com","username":"admin","password":"123456","roots":["dir","dir2"]}""",
+          ],
+        });
+        expect(await CompatV32.isPrefNeedMigration(), true);
+      });
+
+      test("w/o accounts", () async {
+        SharedPreferences.setMockInitialValues({
+          "hello": "world",
+        });
+        expect(await CompatV32.isPrefNeedMigration(), false);
+      });
+    });
+
+    test("migratePref", () async {
+      SharedPreferences.setMockInitialValues({
+        "accounts": [
+          """{"scheme":"http","address":"example.com","username":"admin","password":"123456","roots":["dir","dir2"]}""",
+        ],
+      });
+      await CompatV32.migratePref();
+      final pref = await SharedPreferences.getInstance();
+      expect(pref.getStringList("accounts2"), [
+        """{"account":{"scheme":"http","address":"example.com","username":"admin","password":"123456","roots":["dir","dir2"]},"settings":{"isEnableFaceRecognitionApp":true}}""",
+      ]);
+      expect(pref.containsKey("accounts"), false);
+    });
+  });
+}