nu-lint 1.3.0

Linter for Nu shell scripts that helpfully suggests improvements
Documentation 
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use super::RULE;

#[test]
fn detect_simple_cat() {
    RULE.assert_detects("^cat file.txt");
}

#[test]
fn detect_cat_multiple_files() {
    RULE.assert_detects("^cat file1.txt file2.txt");
}

#[test]
fn detect_cat_with_flags() {
    let bad_codes = vec![
        "^cat -n file.txt",
        "^cat -b file.txt",
        "^cat -E file.txt",
        "^cat -T file.txt",
        "^cat -A file.txt",
    ];

    for code in bad_codes {
        RULE.assert_detects(code);
    }
}

#[test]
fn detect_cat_long_options() {
    let bad_codes = vec![
        "^cat --number file.txt",
        "^cat --number-nonblank file.txt",
        "^cat --show-ends file.txt",
        "^cat --show-tabs file.txt",
        "^cat --show-all file.txt",
    ];

    for code in bad_codes {
        RULE.assert_detects(code);
    }
}

#[test]
fn detect_cat_in_pipeline() {
    RULE.assert_detects("^cat file.txt | head -5");
}

#[test]
fn detect_cat_in_function() {
    let bad_code = r"
def read-file [path] {
    ^cat $path
}
";
    RULE.assert_detects(bad_code);
}

#[test]
fn detect_multiple_cat_uses() {
    let bad_code = r"
^cat file1.txt
^cat file2.txt
";
    RULE.assert_count(bad_code, 2);
}

#[test]
fn detect_cat_in_subexpression() {
    let bad_code = r"
let content = (^cat config.json)
";
    RULE.assert_detects(bad_code);
}

#[test]
fn detect_cat_in_closure() {
    let bad_code = r"
ls | each { |file|
    ^cat $file.name
}
";
    RULE.assert_detects(bad_code);
}