kimun 0.20.0

Code metrics tool — health score, complexity, duplication, hotspots, ownership
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use super::*;
use std::path::PathBuf;

fn sample_files() -> Vec<FileHotspot> {
    vec![
        FileHotspot {
            path: PathBuf::from("src/foo.rs"),
            language: "Rust".to_string(),
            commits: 42,
            complexity: 34,
            score: 42 * 34,
        },
        FileHotspot {
            path: PathBuf::from("src/bar.rs"),
            language: "Rust".to_string(),
            commits: 10,
            complexity: 3,
            score: 10 * 3,
        },
    ]
}

#[test]
fn print_report_does_not_panic_indent() {
    print_report(&sample_files(), "indent");
}

#[test]
fn print_report_does_not_panic_cycom() {
    print_report(&sample_files(), "cycom");
}

#[test]
fn print_report_empty() {
    print_report(&[], "indent");
}

#[test]
fn print_json_does_not_panic() {
    print_json(&sample_files(), "indent").unwrap();
}

#[test]
fn print_json_empty() {
    print_json(&[], "indent").unwrap();
}

#[test]
fn json_structure_is_valid() {
    let files = sample_files();
    let entries: Vec<serde_json::Value> = files
        .iter()
        .map(|f| {
            serde_json::json!({
                "path": f.path.display().to_string(),
                "language": f.language,
                "commits": f.commits,
                "complexity": f.complexity,
                "complexity_metric": "indent",
                "score": f.score,
            })
        })
        .collect();

    let json_str = serde_json::to_string_pretty(&entries).unwrap();
    let parsed: serde_json::Value = serde_json::from_str(&json_str).unwrap();
    let arr = parsed.as_array().unwrap();
    assert_eq!(arr.len(), 2, "should have 2 entries");
    assert_eq!(arr[0]["commits"], 42, "first entry should have 42 commits");
    assert_eq!(
        arr[0]["complexity"], 34,
        "first entry complexity should be 34"
    );
    assert_eq!(
        arr[0]["score"],
        42 * 34,
        "score should be commits * complexity"
    );
    assert_eq!(
        arr[0]["complexity_metric"], "indent",
        "metric should be indent"
    );
    assert!(
        arr[1]["path"].as_str().unwrap().contains("bar.rs"),
        "second entry should be bar.rs"
    );
}