fluxdi 1.2.0

FluxDI - Semi-Automatic Dependency Injector
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

use super::*;

#[test]
fn test_new_creates_unbootstrapped_application() {
    let app = Application::new(EmptyModule);
    assert!(
        !app.is_bootstrapped(),
        "New application should not be bootstrapped"
    );
}

#[test]
fn test_bootstrap_changes_state() {
    let mut app = Application::new(EmptyModule);
    assert!(!app.is_bootstrapped());

    app.bootstrap_sync().unwrap();
    assert!(
        app.is_bootstrapped(),
        "Application should be bootstrapped after bootstrap()"
    );
}

#[test]
#[should_panic(expected = "Application already bootstrapped")]
fn test_bootstrap_twice_panics() {
    let mut app = Application::new(EmptyModule);
    app.bootstrap_sync().unwrap();
    app.bootstrap_sync().unwrap(); // Should panic
}

#[test]
fn test_injector_returns_shared_reference() {
    let mut app = Application::new(EmptyModule);
    app.bootstrap_sync().unwrap();

    let injector1 = app.injector();
    let _injector2 = app.injector();

    // Both should reference the same underlying injector
    #[cfg(feature = "thread-safe")]
    assert_eq!(std::sync::Arc::strong_count(&injector1), 3); // app + injector1 + injector2

    #[cfg(not(feature = "thread-safe"))]
    assert_eq!(std::rc::Rc::strong_count(&injector1), 3); // app + injector1 + injector2
}

#[test]
fn test_bootstrap_calls_module_providers() {
    #[cfg(not(feature = "thread-safe"))]
    let counter = Rc::new(RefCell::new(0));
    #[cfg(feature = "thread-safe")]
    let counter = Arc::new(Mutex::new(0));

    let module = CountingModule {
        counter: counter.clone(),
    };

    let mut app = Application::new(module);

    #[cfg(not(feature = "thread-safe"))]
    assert_eq!(*counter.borrow(), 0);
    #[cfg(feature = "thread-safe")]
    assert_eq!(*counter.lock().unwrap(), 0);

    app.bootstrap_sync().unwrap();

    #[cfg(not(feature = "thread-safe"))]
    assert_eq!(
        *counter.borrow(),
        1,
        "Module providers should be called during bootstrap"
    );
    #[cfg(feature = "thread-safe")]
    assert_eq!(
        *counter.lock().unwrap(),
        1,
        "Module providers should be called during bootstrap"
    );
}

#[test]
fn test_bootstrap_loads_imports_first() {
    #[cfg(not(feature = "thread-safe"))]
    let counter = Rc::new(RefCell::new(0));
    #[cfg(feature = "thread-safe")]
    let counter = Arc::new(Mutex::new(0));

    let module = ModuleWithImports {
        counter: counter.clone(),
    };

    let mut app = Application::new(module);
    app.bootstrap_sync().unwrap();

    // 2 imports + 1 root module = 3 calls
    #[cfg(not(feature = "thread-safe"))]
    assert_eq!(*counter.borrow(), 3, "All modules should be loaded");
    #[cfg(feature = "thread-safe")]
    assert_eq!(*counter.lock().unwrap(), 3, "All modules should be loaded");
}

#[test]
fn test_bootstrap_async_runs_lifecycle_hooks_and_shutdown_reverse_order() {
    #[cfg(not(feature = "thread-safe"))]
    let log: EventLog = Rc::new(RefCell::new(Vec::new()));
    #[cfg(feature = "thread-safe")]
    let log: EventLog = Arc::new(Mutex::new(Vec::new()));

    let root = LifecycleModule {
        name: "root",
        log: log.clone(),
        import_child: true,
    };

    let mut app = Application::new(root);
    block_on(app.bootstrap_async()).unwrap();

    assert_eq!(
        event_snapshot(&log),
        vec![
            "providers:import".to_string(),
            "on_start:import".to_string(),
            "providers:root".to_string(),
            "on_start:root".to_string(),
        ]
    );

    block_on(app.shutdown_async()).unwrap();
    assert_eq!(
        event_snapshot(&log),
        vec![
            "providers:import".to_string(),
            "on_start:import".to_string(),
            "providers:root".to_string(),
            "on_start:root".to_string(),
            "on_stop:root".to_string(),
            "on_stop:import".to_string(),
        ]
    );
}

#[test]
fn test_bootstrap_async_propagates_lifecycle_errors() {
    let mut app = Application::new(FailingLifecycleModule);
    let error = block_on(app.bootstrap_async()).unwrap_err();
    assert_eq!(error.kind, ErrorKind::ModuleLifecycleFailed);
    assert!(error.message.contains("on_start"));
}

#[test]
fn test_start_stop_unified_api() {
    #[cfg(not(feature = "thread-safe"))]
    let log: EventLog = Rc::new(RefCell::new(Vec::new()));
    #[cfg(feature = "thread-safe")]
    let log: EventLog = Arc::new(Mutex::new(Vec::new()));

    let root = LifecycleModule {
        name: "root",
        log: log.clone(),
        import_child: false,
    };

    let mut app = Application::new(root);
    block_on(app.start()).unwrap();
    block_on(app.stop()).unwrap();

    assert_eq!(
        event_snapshot(&log),
        vec![
            "providers:root".to_string(),
            "on_start:root".to_string(),
            "on_stop:root".to_string(),
        ]
    );
}