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

use super::*;
use crate::loc::language::detect;
use crate::walk::{ExcludeFilter, WalkConfig};
use std::fs;

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

#[test]
fn run_on_rust_file() {
    let dir = tempfile::tempdir().unwrap();
    fs::write(
        dir.path().join("main.rs"),
        "fn main() {\n    let x = 1;\n    if x > 0 {\n        println!(\"hi\");\n    }\n}\n",
    )
    .unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    run(&cfg, false).unwrap();
}

#[test]
fn run_json_output() {
    let dir = tempfile::tempdir().unwrap();
    fs::write(
        dir.path().join("main.rs"),
        "fn main() {\n    let x = 1;\n}\n",
    )
    .unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    run(&cfg, true).unwrap();
}

#[test]
fn run_skips_binary() {
    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);
    run(&cfg, false).unwrap();
}

#[test]
fn run_excludes_tests_by_default() {
    let dir = tempfile::tempdir().unwrap();
    fs::create_dir(dir.path().join("tests")).unwrap();
    fs::write(
        dir.path().join("tests/integration.rs"),
        "fn test() {\n    assert!(true);\n}\n",
    )
    .unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    // No source files outside tests/ → prints "No recognized source files"
    run(&cfg, false).unwrap();
}

#[test]
fn run_includes_tests_with_flag() {
    let dir = tempfile::tempdir().unwrap();
    fs::create_dir(dir.path().join("tests")).unwrap();
    fs::write(
        dir.path().join("tests/integration.rs"),
        "fn test() {\n    assert!(true);\n}\n",
    )
    .unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), true, &filter);
    run(&cfg, false).unwrap();
}

#[test]
fn run_excludes_test_files_by_name() {
    let dir = tempfile::tempdir().unwrap();
    fs::write(
        dir.path().join("parser_test.rs"),
        "fn test() {\n    assert!(true);\n}\n",
    )
    .unwrap();
    fs::write(
        dir.path().join("parser.rs"),
        "fn parse() {\n    let x = 1;\n}\n",
    )
    .unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    // parser_test.rs excluded, only parser.rs analyzed
    run(&cfg, false).unwrap();
}

#[test]
fn run_sorts_by_stddev_descending() {
    let dir = tempfile::tempdir().unwrap();
    // Flat file → low stddev
    fs::write(
        dir.path().join("flat.rs"),
        "fn a() {}\nfn b() {}\nfn c() {}\n",
    )
    .unwrap();
    // Nested file → high stddev
    fs::write(
        dir.path().join("nested.rs"),
        "fn main() {\n    if true {\n        if true {\n            if true {\n                x();\n            }\n        }\n    }\n}\n",
    )
    .unwrap();
    let filter = ExcludeFilter::default();
    let cfg = WalkConfig::new(dir.path(), false, &filter);
    run(&cfg, false).unwrap();
}

#[test]
fn analyze_file_returns_none_for_comment_only_file() {
    let dir = tempfile::tempdir().unwrap();
    let path = dir.path().join("comments.rs");
    // A file with only comments has no code lines → analyze returns None
    fs::write(&path, "// This is a comment\n// Another comment\n").unwrap();
    let spec = detect(&path).unwrap();
    let result = analyze_file(&path, spec).unwrap();
    assert!(result.is_none(), "comment-only file should return None");
}

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