kimun 0.20.0

Code metrics tool — health score, complexity, duplication, hotspots, ownership
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
262
263
264
265

use super::*;
use crate::walk::{ExcludeFilter, WalkConfig};
use git2::Repository;
use std::fs;
use std::path::Path as StdPath;

#[test]
fn run_on_temp_dir_with_rust_file() {
    let dir = tempfile::tempdir().unwrap();
    fs::write(
        dir.path().join("main.rs"),
        "fn main() {\n    // hello\n    println!(\"hi\");\n}\n",
    )
    .unwrap();

    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    // Should succeed without error
    run(&cfg, false, false).unwrap();
}

#[test]
fn run_on_empty_dir() {
    let dir = tempfile::tempdir().unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    // Should succeed and print "No recognized source files found."
    run(&cfg, false, false).unwrap();
}

#[test]
fn run_skips_binary_files() {
    let dir = tempfile::tempdir().unwrap();
    fs::write(dir.path().join("data.c"), b"hello\x00world").unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    // Should succeed — binary file silently skipped
    run(&cfg, false, false).unwrap();
}

#[test]
fn run_deduplicates_identical_files() {
    let dir = tempfile::tempdir().unwrap();
    let content = "int x = 1;\n";
    fs::write(dir.path().join("a.c"), content).unwrap();
    fs::write(dir.path().join("b.c"), content).unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    // Should succeed — one of the duplicates skipped
    run(&cfg, false, false).unwrap();
}

#[test]
fn run_with_shebang_detection() {
    let dir = tempfile::tempdir().unwrap();
    fs::write(
        dir.path().join("script"),
        "#!/usr/bin/env python3\nprint('hello')\n",
    )
    .unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    run(&cfg, false, false).unwrap();
}

#[test]
fn run_verbose_on_temp_dir() {
    let dir = tempfile::tempdir().unwrap();
    fs::write(dir.path().join("main.rs"), "fn main() {}\n").unwrap();
    fs::write(dir.path().join("lib.rs"), "pub fn x() {}\n").unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    // Should succeed with verbose stats printed
    run(&cfg, true, false).unwrap();
}

#[test]
fn run_verbose_with_duplicates() {
    let dir = tempfile::tempdir().unwrap();
    let content = "int x = 1;\n";
    fs::write(dir.path().join("a.c"), content).unwrap();
    fs::write(dir.path().join("b.c"), content).unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    // Should show skipped_files=1 (duplicate)
    run(&cfg, true, false).unwrap();
}

#[test]
fn run_verbose_empty_dir() {
    let dir = tempfile::tempdir().unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    run(&cfg, true, false).unwrap();
}

#[test]
fn run_json_output() {
    let dir = tempfile::tempdir().unwrap();
    fs::write(
        dir.path().join("main.rs"),
        "fn main() {\n    println!(\"hi\");\n}\n",
    )
    .unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    run(&cfg, false, true).unwrap();
}

#[test]
fn run_json_empty_dir() {
    let dir = tempfile::tempdir().unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    run(&cfg, false, true).unwrap();
}

#[test]
fn hash_file_works() {
    let dir = tempfile::tempdir().unwrap();
    let path = dir.path().join("test.txt");
    fs::write(&path, "hello world").unwrap();

    let h1 = hash_file(&path).unwrap();
    let h2 = hash_file(&path).unwrap();
    assert_eq!(h1, h2, "same content should produce same hash");
}

#[test]
fn hash_file_nonexistent() {
    assert!(hash_file(StdPath::new("/nonexistent/file")).is_none());
}

// ── run_by_author tests ─────────────────────────────────────────────────

fn create_test_repo() -> (tempfile::TempDir, Repository) {
    let dir = tempfile::tempdir().unwrap();
    let repo = Repository::init(dir.path()).unwrap();
    let mut config = repo.config().unwrap();
    config.set_str("user.name", "Alice").unwrap();
    config.set_str("user.email", "alice@example.com").unwrap();
    (dir, repo)
}

fn make_commit(repo: &Repository, files: &[(&str, &str)], message: &str) {
    let sig = git2::Signature::new(
        "Alice",
        "alice@example.com",
        &git2::Time::new(1_700_000_000, 0),
    )
    .unwrap();
    let mut index = repo.index().unwrap();
    for (path, content) in files {
        let full_path = repo.workdir().unwrap().join(path);
        if let Some(parent) = full_path.parent() {
            fs::create_dir_all(parent).unwrap();
        }
        fs::write(&full_path, content).unwrap();
        index.add_path(StdPath::new(path)).unwrap();
    }
    index.write().unwrap();
    let tree_oid = index.write_tree().unwrap();
    let tree = repo.find_tree(tree_oid).unwrap();
    let parent = repo.head().ok().and_then(|h| h.peel_to_commit().ok());
    let parents: Vec<&git2::Commit> = parent.iter().collect();
    repo.commit(Some("HEAD"), &sig, &sig, message, &tree, &parents)
        .unwrap();
}

#[test]
fn run_by_author_basic() {
    let (dir, repo) = create_test_repo();
    make_commit(
        &repo,
        &[("main.rs", "fn main() {\n    println!(\"hi\");\n}\n")],
        "initial",
    );

    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    let result = run_by_author(&cfg, false);
    assert!(result.is_ok(), "run_by_author should succeed: {:?}", result);
}

#[test]
fn run_by_author_json() {
    let (dir, repo) = create_test_repo();
    make_commit(
        &repo,
        &[("main.rs", "fn main() {\n    println!(\"hi\");\n}\n")],
        "initial",
    );

    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    let result = run_by_author(&cfg, true);
    assert!(result.is_ok(), "run_by_author JSON should succeed");
}

#[test]
fn run_by_author_multiple_files() {
    let (dir, repo) = create_test_repo();
    make_commit(
        &repo,
        &[
            ("main.rs", "fn main() {\n    let x = 1;\n}\n"),
            (
                "lib.rs",
                "// lib\npub fn add(a: i32, b: i32) -> i32 { a + b }\n",
            ),
        ],
        "add files",
    );

    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    let result = run_by_author(&cfg, false);
    assert!(result.is_ok(), "multi-file run_by_author should succeed");
}

#[test]
fn run_by_author_empty_repo() {
    // No source files — exercises the empty by_author branch
    let (dir, repo) = create_test_repo();
    make_commit(&repo, &[("data.xyz", "not code")], "add data");

    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    let result = run_by_author(&cfg, false);
    assert!(result.is_ok(), "empty repo should not crash: {:?}", result);
}

#[test]
fn run_by_author_empty_json() {
    let (dir, repo) = create_test_repo();
    make_commit(&repo, &[("data.xyz", "not code")], "add data");

    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    let result = run_by_author(&cfg, true);
    assert!(result.is_ok(), "empty repo JSON should not crash");
}

#[test]
fn run_by_author_on_current_repo() {
    // Smoke test on the actual repo
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(StdPath::new("."), false, &filter);
    let result = run_by_author(&cfg, false);
    assert!(
        result.is_ok(),
        "run_by_author on current repo should succeed"
    );
}

#[test]
fn run_by_author_json_on_current_repo() {
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(StdPath::new("."), false, &filter);
    let result = run_by_author(&cfg, true);
    assert!(
        result.is_ok(),
        "run_by_author JSON on current repo should succeed"
    );
}