mirror of
https://github.com/kuhyx/utils.git
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Krzysztof kuhy Rudnicki
6c71d531bb
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
"""Parser and format-detection tests."""
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from __future__ import annotations
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from pathlib import Path
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import pytest
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from coverage_gaps.models import FileGap, ReportError
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from coverage_gaps.parsers import detect_format, load_report
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def _by_path(gaps: list[FileGap]) -> dict[str, FileGap]:
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return {gap.path: gap for gap in gaps}
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@pytest.mark.parametrize("fmt", ["lcov", "cobertura", "json"])
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def test_a_py_gaps_match_across_formats(reports: dict[str, Path], fmt: str) -> None:
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detected, gaps = load_report(reports[fmt])
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assert detected == fmt
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a = _by_path(gaps)["a.py"]
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assert a.missed_lines == (2, 3, 5)
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assert a.missed_branch_lines == (4,)
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assert a.missed_branches == 1
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assert a.total_lines == 5
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assert a.total_branches == 2
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assert _by_path(gaps)["b.py"].missed == 0
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def test_jacoco(reports: dict[str, Path]) -> None:
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fmt, gaps = load_report(reports["jacoco"])
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assert fmt == "jacoco"
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by = _by_path(gaps)
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assert by["com/x/A.kt"].missed_lines == (2, 3, 5)
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assert by["com/x/A.kt"].missed_branch_lines == (4,)
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assert by["com/x/A.kt"].total_branches == 2
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assert "Top.kt" in by
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def test_percent_and_empty_file() -> None:
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gap = FileGap("x", 4, (1,), 4, (2,), 1)
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assert gap.percent == 75.0
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assert FileGap("y", 0, (), 0, (), 0).percent == 100.0
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def test_lcov_ignores_records_outside_a_file_and_dash_branch_ids() -> None:
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from coverage_gaps.parsers import parse_lcov
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gaps = parse_lcov(
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"DA:1,0\nBRDA:1,0,0,0\nSF:z\nBRDA:2,0,-,0\nend_of_record\nDA:9,0\n"
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)
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assert len(gaps) == 1
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assert gaps[0].missed_lines == ()
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assert gaps[0].missed_branch_lines == (2,)
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def test_detect_unknown_and_xml_without_known_root() -> None:
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for text in ("hello", "<other/>", ""):
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with pytest.raises(ReportError):
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detect_format(text)
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def test_load_errors(tmp_path: Path) -> None:
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with pytest.raises(ReportError, match="cannot read"):
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load_report(tmp_path / "missing")
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bad_xml = tmp_path / "bad.xml"
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bad_xml.write_text("<coverage><oops", encoding="utf-8")
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with pytest.raises(ReportError, match="malformed cobertura"):
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load_report(bad_xml)
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bad_json = tmp_path / "bad.json"
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bad_json.write_text("{nope", encoding="utf-8")
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with pytest.raises(ReportError, match="malformed json"):
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load_report(bad_json)
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