yog 0.0.12

yog: the standalone server for litany loops — the world, the balls and the conversations, behind one wire
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

use super::*;
use tempfile::tempdir;

/// A representative untruncated entry.
pub(super) fn sample() -> OpEntry {
    OpEntry {
        ts: "2026-07-17T12:00:00Z".into(),
        argv: vec!["bl".into(), "close".into(), "bl-4db6".into()],
        cwd: "/home/u/dev/brazen".into(),
        exit: 0,
        stdout: "ok".into(),
        stderr: String::new(),
        origin: Origin::default(),
    }
}
#[test]
fn append_then_tail_round_trips_in_order() {
    let dir = tempdir().unwrap();
    let root = dir.path();
    let first = sample();
    let second = OpEntry {
        argv: vec!["litany".into(), "scan".into()],
        stdout: "summary".into(),
        ..sample()
    };
    append(root, &first).unwrap();
    append(root, &second).unwrap();

    assert_eq!(tail(root, 10), vec![first, second.clone()]);
    // Cap trims the head, keeping newest-last.
    assert_eq!(tail(root, 1), vec![second]);
}

#[test]
fn append_creates_missing_state_dirs() {
    let dir = tempdir().unwrap();
    let root = dir.path().join("nested").join("state");
    append(&root, &sample()).unwrap();
    assert_eq!(tail(&root, 5), vec![sample()]);
}

#[test]
fn tail_of_missing_file_is_empty() {
    let dir = tempdir().unwrap();
    assert!(tail(&dir.path().join("absent"), 5).is_empty());
}

#[test]
fn tail_skips_corrupt_and_non_object_lines() {
    let dir = tempdir().unwrap();
    let root = dir.path();
    let path = root.join(FILENAME);
    let good = build_line(&sample());
    let mut bytes = good.clone();
    bytes.extend_from_slice(b"{not valid json\n"); // corrupt -> skipped
    bytes.extend_from_slice(b"42\n"); // valid JSON, not an object -> skipped
    bytes.extend_from_slice(b"\n"); // blank -> skipped
    bytes.extend_from_slice(&[0xff, 0xfe, b'\n']); // invalid UTF-8 -> skipped
    bytes.extend_from_slice(&good); // a second good line
    fs::write(&path, &bytes).unwrap();

    let got = tail(root, 10);
    assert_eq!(got, vec![sample(), sample()]);
}

#[test]
fn parse_line_defaults_absent_and_mistyped_fields() {
    let dir = tempdir().unwrap();
    let root = dir.path();
    let path = root.join(FILENAME);
    // Empty object -> all defaults; mixed argv drops non-strings; wrong-typed
    // exit falls back to 0.
    fs::write(&path, b"{}\n{\"argv\":[\"a\",5,\"b\"],\"exit\":\"nope\"}\n").unwrap();

    let got = tail(root, 10);
    assert_eq!(
        got,
        vec![
            OpEntry {
                ts: String::new(),
                argv: vec![],
                cwd: String::new(),
                exit: 0,
                stdout: String::new(),
                stderr: String::new(),
                origin: Origin::default(),
            },
            OpEntry {
                ts: String::new(),
                argv: vec!["a".into(), "b".into()],
                cwd: String::new(),
                exit: 0,
                stdout: String::new(),
                stderr: String::new(),
                origin: Origin::default(),
            },
        ]
    );
}

#[test]
fn synthetic_failure_encodes_the_intended_argv_and_stderr() {
    let e = OpEntry::synthetic_failure(
        "TS".into(),
        vec!["litany".into(), "prompt".into()],
        "/proj".into(),
        "No such file or directory".into(),
        Origin::Balls,
    );
    assert_eq!(e.exit, SYNTHETIC_EXIT);
    assert_eq!(e.argv, vec!["litany".to_string(), "prompt".to_string()]);
    assert_eq!(e.cwd, "/proj");
    assert!(e.stdout.is_empty());
    assert_eq!(e.stderr, "No such file or directory");
}

#[test]
fn step_failure_encodes_the_yog_step_argv() {
    let e = OpEntry::step_failure(
        "TS".into(),
        "mint",
        String::new(),
        "pool exhausted".into(),
        Origin::Balls,
    );
    assert_eq!(e.argv, vec![YOG_STEP.to_string(), "mint".to_string()]);
    assert_eq!(e.exit, SYNTHETIC_EXIT);
    assert_eq!(e.stderr, "pool exhausted");
}