dbnexus 0.3.1

An enterprise-grade database abstraction layer for Rust with built-in permission control and connection pooling
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261

// Copyright (c) 2026 Kirky.X
//
// Licensed under the MIT License
// See LICENSE file in the project root for full license information.

//! Authentication 集成测试（T079-T084）
//!
//! 通过公共 API 测试 JWT 签发/验证、密码哈希、AuthenticationManager 认证流程。
//! 覆盖正常路径、过期、篡改、无效签名、错误密码、未知用户等场景。

use dbnexus::{AuthCredentials, AuthError, AuthenticationManager, JwtManager, PasswordHasher, TokenType, User};

// ============================================================================
// 辅助函数
// ============================================================================

const TEST_SECRET: &[u8] = b"test_secret_key_for_integration_tests_2026";
const ALT_SECRET: &[u8] = b"different_secret_key_for_signature_mismatch";

fn make_user(username: &str, password: &str, role: &str) -> User {
    let hash = PasswordHasher::new().hash(password).expect("hash should succeed");
    User {
        id: format!("uid_{}", username),
        username: username.to_string(),
        password_hash: hash,
        role: role.to_string(),
        email: Some(format!("{}@example.com", username)),
        created_at: Some("2026-07-03T00:00:00Z".to_string()),
    }
}

async fn make_manager_with_user() -> AuthenticationManager {
    let mgr = AuthenticationManager::new(TEST_SECRET);
    mgr.add_user(make_user("alice", "Password123", "admin"))
        .await
        .expect("add_user should succeed");
    mgr
}

// ============================================================================
// T080: JWT 签发与验证集成测试
// ============================================================================

/// TEST-AUTH-JWT-001: JWT 签发与验证往返
#[tokio::test]
async fn test_jwt_issue_and_verify() {
    let mgr = JwtManager::new(TEST_SECRET);

    let token = mgr
        .generate_token("user_1", "alice", "admin", TokenType::Access)
        .expect("generate_token should succeed");
    assert!(!token.is_empty(), "token must be non-empty");

    let claims = mgr.verify_token(&token).expect("verify_token should succeed");
    assert_eq!(claims.sub, "user_1");
    assert_eq!(claims.username, "alice");
    assert_eq!(claims.role, "admin");
    assert_eq!(claims.token_type, TokenType::Access);
    assert!(claims.exp > claims.iat, "exp must be after iat");
}

/// TEST-AUTH-JWT-002: JWT 过期后验证应返回 TokenExpired
#[tokio::test]
async fn test_jwt_expired() {
    // 使用 1 秒过期时间创建 manager
    let mgr = JwtManager::with_expiration(TEST_SECRET, 1, 1);
    let token = mgr
        .generate_token("user_2", "bob", "user", TokenType::Access)
        .expect("generate_token should succeed");

    // 等待过期
    tokio::time::sleep(std::time::Duration::from_secs(2)).await;

    let result = mgr.verify_token(&token);
    assert!(result.is_err(), "expired token should fail verification");
    assert!(
        matches!(result, Err(AuthError::TokenExpired)),
        "expected TokenExpired, got {:?}",
        result
    );
}

/// TEST-AUTH-JWT-003: JWT 篡改后验证应返回 InvalidToken
#[tokio::test]
async fn test_jwt_tampered() {
    let mgr = JwtManager::new(TEST_SECRET);
    let token = mgr
        .generate_token("user_3", "carol", "user", TokenType::Access)
        .expect("generate_token should succeed");

    // 篡改 payload 部分（替换最后一个 . 后的 base64 段）
    let tampered = {
        let parts: Vec<&str> = token.split('.').collect();
        assert_eq!(parts.len(), 3, "JWT should have 3 parts");
        // 修改 payload 部分的最后一个字符
        let mut payload = parts[1].to_string();
        let last_char = payload.pop().unwrap_or('A');
        payload.push(if last_char == 'A' { 'B' } else { 'A' });
        format!("{}.{}.{}", parts[0], payload, parts[2])
    };

    let result = mgr.verify_token(&tampered);
    assert!(result.is_err(), "tampered token should fail");
    assert!(
        matches!(result, Err(AuthError::InvalidToken)),
        "expected InvalidToken, got {:?}",
        result
    );
}

/// TEST-AUTH-JWT-004: 不同密钥签发的 JWT 验证应失败（无效签名）
#[tokio::test]
async fn test_jwt_invalid_signature() {
    let signer = JwtManager::new(TEST_SECRET);
    let verifier = JwtManager::new(ALT_SECRET);

    let token = signer
        .generate_token("user_4", "dave", "user", TokenType::Access)
        .expect("generate_token should succeed");

    let result = verifier.verify_token(&token);
    assert!(result.is_err(), "token signed with different key should fail");
    assert!(
        matches!(result, Err(AuthError::InvalidToken)),
        "expected InvalidToken for signature mismatch, got {:?}",
        result
    );
}

// ============================================================================
// T081: 密码哈希集成测试
// ============================================================================

/// TEST-AUTH-PWD-001: 密码哈希与验证
#[test]
fn test_password_hash_and_verify() {
    let hasher = PasswordHasher::new();
    let password = "MySecurePassword123";

    let hash = hasher.hash(password).expect("hash should succeed");
    assert!(hash.starts_with("$2b$"), "bcrypt hash should start with $2b$");
    assert_ne!(hash, password, "hash must differ from plaintext");

    hasher
        .verify(password, &hash)
        .expect("verify with correct password should succeed");
}

/// TEST-AUTH-PWD-002: 错误密码验证应失败
#[test]
fn test_password_wrong_password() {
    let hasher = PasswordHasher::new();
    let hash = hasher.hash("CorrectPassword123").expect("hash should succeed");

    let result = hasher.verify("WrongPassword456", &hash);
    assert!(result.is_err(), "wrong password should fail");
    assert!(
        matches!(result, Err(AuthError::InvalidCredentials)),
        "expected InvalidCredentials, got {:?}",
        result
    );
}

/// TEST-AUTH-PWD-003: 空密码应无法通过强度校验
#[test]
fn test_password_empty() {
    let hasher = PasswordHasher::new();

    let result = hasher.validate_strength("");
    assert!(result.is_err(), "empty password should fail strength check");
}

/// TEST-AUTH-PWD-004: 密码更新后旧哈希失效
#[test]
fn test_password_update() {
    let hasher = PasswordHasher::new();
    let old_password = "OldPassword123";
    let new_password = "NewPassword456";

    let old_hash = hasher.hash(old_password).expect("hash old should succeed");
    let new_hash = hasher.hash(new_password).expect("hash new should succeed");

    // 新密码验证通过
    hasher
        .verify(new_password, &new_hash)
        .expect("new password should verify");

    // 旧密码对新哈希验证失败
    let result = hasher.verify(old_password, &new_hash);
    assert!(result.is_err(), "old password should not verify against new hash");

    // 新密码对旧哈希验证失败
    let result = hasher.verify(new_password, &old_hash);
    assert!(result.is_err(), "new password should not verify against old hash");
}

// ============================================================================
// T082: AuthenticationManager 集成测试
// ============================================================================

/// TEST-AUTH-MGR-001: 认证成功
#[tokio::test]
async fn test_authenticate_success() {
    let mgr = make_manager_with_user().await;

    let token = mgr
        .authenticate(AuthCredentials {
            username: "alice".to_string(),
            password: "Password123".to_string(),
        })
        .await
        .expect("authenticate should succeed");

    assert!(!token.is_empty(), "token must be non-empty");

    // 验证 token 的 claims
    let claims = mgr.verify_token(&token).expect("verify_token should succeed");
    assert_eq!(claims.username, "alice");
    assert_eq!(claims.role, "admin");
}

/// TEST-AUTH-MGR-002: 错误密码认证失败
#[tokio::test]
async fn test_authenticate_wrong_password() {
    let mgr = make_manager_with_user().await;

    let result = mgr
        .authenticate(AuthCredentials {
            username: "alice".to_string(),
            password: "WrongPassword".to_string(),
        })
        .await;

    assert!(result.is_err(), "wrong password should fail");
    assert!(
        matches!(result, Err(AuthError::InvalidCredentials)),
        "expected InvalidCredentials, got {:?}",
        result
    );
}

/// TEST-AUTH-MGR-003: 未知用户认证失败
#[tokio::test]
async fn test_authenticate_unknown_user() {
    let mgr = make_manager_with_user().await;

    let result = mgr
        .authenticate(AuthCredentials {
            username: "nonexistent_user".to_string(),
            password: "Password123".to_string(),
        })
        .await;

    assert!(result.is_err(), "unknown user should fail");
    // 安全设计：用户不存在也返回 InvalidCredentials（避免用户名枚举）
    assert!(
        matches!(result, Err(AuthError::InvalidCredentials)),
        "expected InvalidCredentials for unknown user, got {:?}",
        result
    );
}