from scripts.adapters.vulture import parse_vulture_output


def test_parses_unused_function():
    out = "src/foo.py:42: unused function 'bar' (60% confidence)\n"
    findings = parse_vulture_output(out)
    assert len(findings) == 1
    f = findings[0]
    assert f.tool == "vulture"
    assert f.file == "src/foo.py"
    assert f.line == 42
    assert "unused function 'bar'" in f.message
    assert f.severity == "low"


def test_high_confidence_unused_is_medium():
    out = "src/foo.py:7: unused import 'os' (90% confidence)\n"
    findings = parse_vulture_output(out)
    assert findings[0].severity == "medium"


def test_empty_stdout():
    assert parse_vulture_output("") == []


def test_rule_id_contains_confidence():
    out = "src/foo.py:7: unused import 'os' (90% confidence)\n"
    findings = parse_vulture_output(out)
    assert findings[0].rule_id == "vulture:90pct"


def test_malformed_line_skipped():
    assert parse_vulture_output("not a valid line\n") == []