from pathlib import Path

from scripts.adapters.mypy import parse_mypy_output


_FIXTURES = Path(__file__).parent / "fixtures"


def test_parses_error_lines():
    txt = (_FIXTURES / "mypy_sample.txt").read_text()
    findings = parse_mypy_output(txt)
    by_line = {f.line: f for f in findings if f.file == "src/api.py"}
    assert 12 in by_line
    assert by_line[12].severity == "medium"
    assert by_line[12].rule_id == "assignment"


def test_parses_warning_lines():
    txt = (_FIXTURES / "mypy_sample.txt").read_text()
    findings = parse_mypy_output(txt)
    warns = [f for f in findings if f.severity == "low"]
    assert any(f.line == 60 and f.rule_id == "unused-ignore" for f in warns)


def test_skips_note_lines():
    txt = (_FIXTURES / "mypy_sample.txt").read_text()
    findings = parse_mypy_output(txt)
    assert not any(f.file == "src/utils.py" and f.line == 8 for f in findings)


def test_handles_empty_input():
    assert parse_mypy_output("") == []