first commit

2026-09-21 17:37:53 +08:00
commit 67d4dd5b7c
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+import 'dart:convert';
+
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:qiangbao_accounting/utils/crypto.dart';
+import 'package:qiangbao_accounting/utils/jwt_util.dart';
+
+/// 构造一个只含 payload 的假 JWT（本地 exp 判断不校验签名）
+String fakeJwt({DateTime? expiredAt, bool withExp = true}) {
+  String seg(Map<String, dynamic> m) =>
+      base64Url.encode(utf8.encode(jsonEncode(m))).replaceAll('=', '');
+  final header = seg({'alg': 'HS512'});
+  final payload = seg({
+    'sub': 'tester',
+    if (withExp)
+      'exp': (expiredAt ?? DateTime.now().add(const Duration(hours: 1)))
+              .millisecondsSinceEpoch ~/
+          1000,
+  });
+  return '$header.$payload.signature';
+}
+
+void main() {
+  test('crypto encrypt/decrypt roundtrip 与 uniApp 端算法一致', () {
+    const password = 'abc12345';
+    final encrypted = encryptPassword(password);
+    expect(encrypted, isNotEmpty);
+    expect(encrypted, isNot(password));
+    expect(decryptPassword(encrypted), password);
+  });
+
+  group('JWT 过期判断', () {
+    test('未来的 exp 视为未过期', () {
+      expect(
+        isJwtExpired(fakeJwt(expiredAt: DateTime.now().add(const Duration(hours: 1)))),
+        isFalse,
+      );
+    });
+
+    test('过去的 exp 视为已过期', () {
+      expect(
+        isJwtExpired(fakeJwt(expiredAt: DateTime.now().subtract(const Duration(hours: 1)))),
+        isTrue,
+      );
+    });
+
+    test('即将过期（落在 30 秒余量内）视为已过期', () {
+      expect(
+        isJwtExpired(fakeJwt(expiredAt: DateTime.now().add(const Duration(seconds: 5)))),
+        isTrue,
+      );
+    });
+
+    test('无 exp 字段不做本地判断，避免误判', () {
+      expect(isJwtExpired(fakeJwt(withExp: false)), isFalse);
+    });
+
+    test('非 JWT 格式不做本地判断；空 token 视为无效', () {
+      expect(isJwtExpired('not-a-jwt'), isFalse);
+      expect(isJwtExpired(''), isTrue);
+      expect(isJwtExpired(null), isTrue);
+    });
+  });
+}