MailHub v1.0.0: 跨平台邮箱客户端（纯 Dart IMAP/SMTP/MIME 协议栈）

- 登录: QQ/163/126/189/搜狐/Gmail/Outlook/Yahoo/iCloud/企业邮/自定义, 自动识别+测试连接 - 收信: IMAP 多文件夹同步/未读/星标/搜索(本地+服务器) - 读信: HTML渲染/CID内嵌图/原文查看/附件下载 - 写信: 收件人/抄送/密送/附件/富文本/草稿/回复转发 - 存储: SQLite + 系统安全存储(DPAPI/Keychain/Keystore) - 测试: 单元测试 + Mock IMAP/SMTP 服务器集成测试(23项全过) - 可迁移: Windows/Android/iOS/macOS/Linux 一套代码
2026-08-18 01:10:11 +08:00
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+import 'package:flutter_test/flutter_test.dart';
+import 'package:mail_hub/core/protocol/imap/imap_parser.dart';
+
+void main() {
+  group('IMAP 响应解析', () {
+    test('FETCH 带字面量（HEADER + TEXT）', () {
+      final header = 'Subject: test\r\nFrom: a@b.com\r\n';
+      final text = 'Hello World!';
+      final parts = [
+        ImapPart('* 1 FETCH (UID 5 BODY[HEADER] {${header.length}}', header.codeUnits),
+        ImapPart(' BODY[TEXT] {${text.length}}', text.codeUnits),
+        ImapPart(' FLAGS (\\Seen))'),
+      ];
+      final fd = ImapParser.parseFetch(parts)!;
+      expect(fd.uid, 5);
+      expect(fd.seen, true);
+      expect(String.fromCharCodes(fd.bodies['HEADER']!), contains('Subject: test'));
+      expect(String.fromCharCodes(fd.bodies['TEXT']!), 'Hello World!');
+    });
+
+    test('FETCH 部分抓取 <0.100>', () {
+      final parts = [
+        ImapPart('* 2 FETCH (UID 9 BODY[TEXT]<0.100> {5}', 'hello'.codeUnits),
+        ImapPart(')'),
+      ];
+      final fd = ImapParser.parseFetch(parts)!;
+      expect(fd.uid, 9);
+      expect(String.fromCharCodes(fd.bodies['TEXT']!), 'hello');
+    });
+
+    test('SEARCH 结果', () {
+      final lines = ['* SEARCH 1 2 3', '* SEARCH 4 5'];
+      expect(ImapParser.parseSearch(lines), [1, 2, 3, 4, 5]);
+    });
+
+    test('LIST 文件夹', () {
+      final lines = [
+        r'* LIST (\HasNoChildren) "/" "INBOX"',
+        r'* LIST (\HasChildren \Noselect) "/" "[Gmail]"',
+      ];
+      final list = ImapParser.parseList(lines);
+      expect(list.length, 2);
+      expect(list[0].name, 'INBOX');
+      expect(list[0].delim, '/');
+      expect(list[1].attrs, contains(r'\Noselect'));
+    });
+
+    test('STATUS 解析', () {
+      final map = ImapParser.parseStatus(
+          '* STATUS INBOX (MESSAGES 231 UNSEEN 4 UIDNEXT 44292)');
+      expect(map!['MESSAGES'], 231);
+      expect(map['UNSEEN'], 4);
+      expect(map['UIDNEXT'], 44292);
+    });
+
+    test('状态响应 OK/NO', () {
+      final ok = ImapStatus.parse('a1 OK [READ-WRITE] SELECT completed');
+      expect(ok.ok, true);
+      expect(ok.responseCode, 'READ-WRITE');
+      final no = ImapStatus.parse('a2 NO [AUTHENTICATIONFAILED] Invalid credentials');
+      expect(no.ok, false);
+      expect(no.responseCode, 'AUTHENTICATIONFAILED');
+    });
+
+    test('INTERNALDATE 解析', () {
+      final fd = ImapParser.parseFetch([
+        ImapPart('* 1 FETCH (UID 5 INTERNALDATE "17-Aug-2026 08:23:45 +0800")'),
+      ])!;
+      expect(fd.internalDate, isNotNull);
+      expect(fd.internalDate!.year, 2026);
+      expect(fd.internalDate!.month, 8);
+    });
+  });
+}