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Kill lib.rs CLI escapes via function and mutator slices (#69) #151

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Merged
jonbaldie merged 1 commit into from
Sep 11, 2026
Merged

Kill lib.rs CLI escapes via function and mutator slices (#69) #151

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16 changes: 16 additions & 0 deletions tests/cli.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -982,6 +982,22 @@ fn maximumpriority_five_is_accepted() {
assert!(!out.contains("ExcessiveParameterList"), "stdout={out:?}");
}

#[test]
fn default_maximumpriority_includes_priority_one_rules() {
// This test stops the mutation from 1 to 2 for the default Options max_priority.
// CleanCode has BooleanArgumentFlag with priority 1.
// Without --maximumpriority, the tool loads and reports priority 1 rules.
let dir = TempDir::new().unwrap();
let path = write_file(
dir.path(),
"fixture.rs",
"fn process(flag: bool) { let _ = flag; }\n",
);
let (code, out, err) = run_cli(&[path.to_str().unwrap(), "text", "cleancode"]);
assert_eq!(code, EXIT_VIOLATION, "stderr={err:?}");
assert!(out.contains("BooleanArgumentFlag"), "stdout={out:?}");
}

#[test]
fn value_option_before_positionals_consumes_exactly_one_argument() {
// Kills parse_args `i += 1` body/±1 mutants on the value skip.
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