balls 0.5.13

Git-native task tracker for parallel agent workflows
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

//! §9 base-change tests — each verb's authoring (stage) and §5 message
//! (finalize) on a plain temp dir; finalize asserts the `bl-op` trailer via
//! [`crate::message::parse`], proving the lifecycle seam each verb fills.

use super::*;
use crate::message::parse;
use crate::task::{Blocker, On, Task};
use tempfile::tempdir;

const TASK: &str = "+++\ntitle = \"A task\"\ncreated = 0\nupdated = 0\n+++\nbody\n";
const CLAIMED: &str = "+++\ntitle = \"A task\"\ncreated = 0\nupdated = 0\nclaimant = \"bob\"\n+++\n";
const RICH: &str = "+++\ntitle = \"A task\"\ncreated = 0\nupdated = 0\nparent = \"bl-old\"\n\
priority = 1\ntags = [\"a\"]\n\n[[blockers]]\nid = \"bl-z\"\non = \"claim\"\n+++\nbody\n";

fn write(dir: &Path, id: &str, md: &str) {
    let tasks = dir.join("tasks");
    fs::create_dir_all(&tasks).unwrap();
    fs::write(tasks.join(format!("{id}.md")), md).unwrap();
}

#[test]
fn claim_sets_the_claimant_and_bumps_updated() {
    let d = tempdir().unwrap();
    let dir = d.path();
    write(dir, "bl-1", TASK);
    let o = Occupancy::claim("bl-1".into(), "alice".into(), 1_749_085_200);
    o.stage(dir).unwrap();
    let t = read_task(dir, "bl-1").unwrap();
    assert_eq!(t.claimant.as_deref(), Some("alice"));
    assert_eq!(t.updated, 1_749_085_200);
    let md = parse(&o.finalize(dir).unwrap()).unwrap();
    assert_eq!(md["bl-op"], ["claim"]);
    assert_eq!(md["bl-id"], ["bl-1"]);
}

#[test]
fn claim_refuses_an_already_claimed_ball() {
    let d = tempdir().unwrap();
    let dir = d.path();
    write(dir, "bl-1", CLAIMED);
    let o = Occupancy::claim("bl-1".into(), "alice".into(), 0);
    let err = o.stage(dir).unwrap_err();
    assert_eq!(err.kind(), io::ErrorKind::AlreadyExists);
    assert!(err.to_string().contains("already claimed by bob"));
}

#[test]
fn unclaim_clears_the_claimant() {
    let d = tempdir().unwrap();
    let dir = d.path();
    write(dir, "bl-1", CLAIMED);
    let o = Occupancy::unclaim("bl-1".into(), "alice".into(), 22);
    o.stage(dir).unwrap();
    let t = read_task(dir, "bl-1").unwrap();
    assert!(t.claimant.is_none());
    assert_eq!(t.updated, 22);
    let md = parse(&o.finalize(dir).unwrap()).unwrap();
    assert_eq!(md["bl-op"], ["unclaim"]);
}

#[test]
fn guard_repo_rejects_only_a_definite_cross_repo_mismatch() {
    // bl-1ce7 / bl-0161: the wrong-repo claim guard fires ONLY when the ball's
    // recorded root is present AND is NONE of this checkout's roots; every other
    // shape passes (back-compat / fail-open, no override).
    let with = |r: Option<&str>| Task { root_commit: r.map(str::to_string), ..Task::default() };
    let set = |rs: &[&str]| rs.iter().map(|s| (*s).to_string()).collect::<Vec<_>>();
    // Recorded root is in the set → the same project → pass.
    super::guard_repo(&with(Some("aaa")), &set(&["aaa"]), "bl-1").unwrap();
    // Present but in none of the set → reject, naming BOTH so the message points
    // at the right checkout (identity is remote-free — no path, no remote).
    let err = super::guard_repo(&with(Some("aaa")), &set(&["bbb"]), "bl-1").unwrap_err();
    assert_eq!(err.kind(), io::ErrorKind::PermissionDenied);
    let msg = err.to_string();
    assert!(msg.contains("rooted at aaa") && msg.contains("rooted at bbb"), "{msg}");
    // No recorded root (pre-feature ball, or born off no code repo) → unconstrained.
    super::guard_repo(&with(None), &set(&["bbb"]), "bl-1").unwrap();
    // No current roots (claim off a checkout with no code repo) → unprovable → pass.
    super::guard_repo(&with(Some("aaa")), &[], "bl-1").unwrap();
}

#[test]
fn a_multi_root_checkout_admits_a_ball_recorded_against_any_of_its_roots() {
    // bl-0161: merging an unrelated history (vendoring) gives HEAD two roots, and
    // `rev-list --max-parents=0` can print them in EITHER order. Matching the
    // recorded root against the whole SET — not just line 1 — means a ball
    // stamped with root A is still claimable after the merge, regardless of which
    // root now sorts first.
    use crate::delivery_repo::Project;
    let tmp = tempdir().unwrap();
    let repo = tmp.path().join("repo");
    fs::create_dir_all(&repo).unwrap();
    let g = |args: &[&str]| Project::run(&repo, args).unwrap();
    g(&["init", "-q", "-b", "main"]);
    g(&["config", "user.name", "t"]);
    g(&["config", "user.email", "t@e.test"]);
    fs::write(repo.join("a.txt"), "A").unwrap();
    g(&["add", "-A"]);
    g(&["commit", "-q", "-m", "root A"]);
    let root_a = Project::run(&repo, &["rev-parse", "HEAD"]).unwrap().trim().to_string();
    // A wholly unrelated history on an orphan branch → a SECOND root.
    g(&["checkout", "-q", "--orphan", "vendor"]);
    g(&["rm", "-q", "-f", "a.txt"]);
    fs::write(repo.join("b.txt"), "B").unwrap();
    g(&["add", "-A"]);
    g(&["commit", "-q", "-m", "root B"]);
    let root_b = Project::run(&repo, &["rev-parse", "HEAD"]).unwrap().trim().to_string();
    g(&["checkout", "-q", "main"]);
    g(&["merge", "-q", "--allow-unrelated-histories", "--no-edit", "vendor"]);

    // The read returns BOTH roots (the reusable set primitive).
    let roots = Project::at(&repo).root_commits();
    assert_eq!(roots.len(), 2, "a merged unrelated history has two roots: {roots:?}");
    assert!(roots.contains(&root_a) && roots.contains(&root_b), "{roots:?}");

    let ball = |r: &str| Task { root_commit: Some(r.to_string()), ..Task::default() };
    let mut flipped = roots.clone();
    flipped.reverse();
    // A ball stamped at create with root A admits from the multi-root checkout,
    // whichever order rev-list prints the roots in (line-1 flip is a non-event).
    super::guard_repo(&ball(&root_a), &roots, "bl-1").unwrap();
    super::guard_repo(&ball(&root_a), &flipped, "bl-1").unwrap();
    // A ball stamped against the vendored root B admits from the same checkout.
    super::guard_repo(&ball(&root_b), &roots, "bl-1").unwrap();
    // A genuinely foreign root is still refused.
    assert!(super::guard_repo(&ball("deadbeef"), &roots, "bl-1").is_err());
}

#[test]
fn claim_stage_rejects_a_wrong_repo_ball() {
    // The guard is wired into `claim`'s stage: a ball recorded against root
    // `aaa`, claimed from a checkout rooted at `bbb`, is refused before the seal.
    let d = tempdir().unwrap();
    let dir = d.path();
    write(dir, "bl-1", "+++\ntitle = \"A\"\ncreated = 0\nupdated = 0\nroot_commit = \"aaa\"\n+++\n");
    let mut o = Occupancy::claim("bl-1".into(), "me".into(), 0);
    o.current_roots = vec!["bbb".into()];
    let err = o.stage(dir).unwrap_err();
    assert_eq!(err.kind(), io::ErrorKind::PermissionDenied);
    // A checkout whose root SET includes the ball's root seals — even alongside a
    // second, unrelated root (the multi-root any-of admit).
    o.current_roots = vec!["ccc".into(), "aaa".into()];
    o.stage(dir).unwrap();
    assert_eq!(read_task(dir, "bl-1").unwrap().claimant.as_deref(), Some("me"));
}

#[test]
fn close_removes_the_file_and_emits_a_close_message() {
    let d = tempdir().unwrap();
    let dir = d.path();
    write(dir, "bl-1", TASK);
    let r = Retire::close("bl-1".into(), "A task".into(), "me".into());
    r.stage(dir).unwrap();
    assert!(!task_path(dir, "bl-1").exists());
    let msg = r.finalize(dir).unwrap();
    assert!(msg.starts_with("A task"));
    let md = parse(&msg).unwrap();
    assert_eq!(md["bl-op"], ["close"]);
    assert_eq!(md["bl-id"], ["bl-1"]);
}

#[test]
fn retire_errors_when_the_ball_is_absent() {
    let d = tempdir().unwrap();
    let r = Retire::close("bl-gone".into(), "t".into(), "me".into());
    assert!(r.stage(d.path()).is_err());
}

#[test]
fn the_m_message_flows_into_the_commit_body_under_the_title_subject() {
    // The subject is ALWAYS the ball title (no override); `-m` is the free body.
    let d = tempdir().unwrap();
    let dir = d.path();
    write(dir, "bl-1", TASK);
    let mut o = Occupancy::claim("bl-1".into(), "me".into(), 0);
    o.message = Some("Extra paragraph.".into());
    o.stage(dir).unwrap();
    let msg = o.finalize(dir).unwrap();
    assert!(msg.starts_with("A task"));
    assert!(msg.contains("Extra paragraph."));
}

// The `create` authoring tests share this module's `write`/`TASK` fixtures.
#[path = "change_create_tests.rs"]
mod create;

// The `update` authoring tests share this module's `write`/`TASK`/`RICH` fixtures.
#[path = "change_field_tests.rs"]
mod field;