aivcs-core 0.3.1

Core library for AIVCS domain logic and orchestration
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

use aivcs_core::{diff_node_paths, extract_node_path, NodeStep};
use chrono::Utc;
use oxidized_state::RunEvent;
use serde_json::json;

fn node_event(seq: u64, node_id: &str) -> RunEvent {
    RunEvent {
        seq,
        kind: "node_entered".to_string(),
        payload: json!({ "node_id": node_id }),
        timestamp: Utc::now(),
    }
}

fn non_node_event(seq: u64, kind: &str) -> RunEvent {
    RunEvent {
        seq,
        kind: kind.to_string(),
        payload: json!({ "some_key": "value" }),
        timestamp: Utc::now(),
    }
}

#[test]
fn identical_paths_produce_no_divergence() {
    let events = vec![node_event(1, "A"), node_event(2, "B"), node_event(3, "C")];
    let diff = diff_node_paths(&events, &events);
    assert!(
        diff.is_empty(),
        "identical paths should produce no divergence"
    );
}

#[test]
fn diverges_at_first_step() {
    let a = vec![node_event(1, "A"), node_event(2, "B")];
    let b = vec![node_event(1, "X"), node_event(2, "Y")];
    let diff = diff_node_paths(&a, &b);

    let div = diff.divergence.expect("should have divergence");
    assert!(div.common_prefix.is_empty());
    assert_eq!(div.tail_a.len(), 2);
    assert_eq!(div.tail_b.len(), 2);
    assert_eq!(div.tail_a[0].node_id, "A");
    assert_eq!(div.tail_b[0].node_id, "X");
}

#[test]
fn diverges_mid_path() {
    let a = vec![node_event(1, "A"), node_event(2, "B"), node_event(3, "C")];
    let b = vec![node_event(1, "A"), node_event(2, "B"), node_event(3, "D")];
    let diff = diff_node_paths(&a, &b);

    let div = diff.divergence.expect("should have divergence");
    assert_eq!(div.common_prefix, vec!["A", "B"]);
    assert_eq!(div.tail_a.len(), 1);
    assert_eq!(div.tail_a[0].node_id, "C");
    assert_eq!(div.tail_b.len(), 1);
    assert_eq!(div.tail_b[0].node_id, "D");
}

#[test]
fn path_a_is_prefix_of_b() {
    let a = vec![node_event(1, "A"), node_event(2, "B")];
    let b = vec![node_event(1, "A"), node_event(2, "B"), node_event(3, "C")];
    let diff = diff_node_paths(&a, &b);

    let div = diff.divergence.expect("should have divergence");
    assert_eq!(div.common_prefix, vec!["A", "B"]);
    assert!(div.tail_a.is_empty());
    assert_eq!(div.tail_b.len(), 1);
    assert_eq!(div.tail_b[0].node_id, "C");
}

#[test]
fn path_b_is_prefix_of_a() {
    let a = vec![node_event(1, "A"), node_event(2, "B"), node_event(3, "C")];
    let b = vec![node_event(1, "A"), node_event(2, "B")];
    let diff = diff_node_paths(&a, &b);

    let div = diff.divergence.expect("should have divergence");
    assert_eq!(div.common_prefix, vec!["A", "B"]);
    assert_eq!(div.tail_a.len(), 1);
    assert_eq!(div.tail_a[0].node_id, "C");
    assert!(div.tail_b.is_empty());
}

#[test]
fn empty_paths_produce_no_divergence() {
    let empty: Vec<RunEvent> = vec![];
    let diff = diff_node_paths(&empty, &empty);
    assert!(diff.is_empty(), "empty paths should produce no divergence");
}

#[test]
fn non_node_events_are_filtered_out() {
    let a = vec![
        non_node_event(1, "tool_called"),
        node_event(2, "A"),
        non_node_event(3, "node_exited"),
        node_event(4, "B"),
    ];
    let b = vec![node_event(1, "A"), node_event(2, "B")];
    let diff = diff_node_paths(&a, &b);
    assert!(
        diff.is_empty(),
        "non-node events should be filtered, leaving identical paths"
    );

    // Also verify extract_node_path directly
    let path = extract_node_path(&a);
    assert_eq!(path.len(), 2);
    assert_eq!(path[0].node_id, "A");
    assert_eq!(path[1].node_id, "B");
}

#[test]
fn malformed_node_events_are_skipped() {
    let malformed = RunEvent {
        seq: 1,
        kind: "node_entered".to_string(),
        payload: json!({ "some_key": "no_node_id_here" }),
        timestamp: Utc::now(),
    };
    let valid = node_event(2, "A");

    let a = vec![malformed, valid.clone()];
    let b = vec![valid];
    let diff = diff_node_paths(&a, &b);
    assert!(
        diff.is_empty(),
        "malformed events without node_id should be skipped, got: {:?}",
        diff.divergence
    );

    // Verify extraction skips malformed
    let path = extract_node_path(&a);
    assert_eq!(path.len(), 1);
    assert_eq!(
        path[0],
        NodeStep {
            seq: 2,
            node_id: "A".to_string()
        }
    );
}