Coverage for cli / tests / test_coverage_parsing.py: 100%
22 statements
« prev ^ index » next coverage.py v7.14.0, created at 2026-06-19 09:10 +0000
1"""
2Tests for `_get_coverage_info` - parsing coverage value from an HTML report.
3"""
5from pathlib import Path
7from covered.cli import _get_coverage_info
10def _write_index(directory: Path, html: str) -> None:
11 (directory / "index.html").write_text(html)
14def test_get_coverage_info_returns_none_when_index_missing(tmp_path: Path):
15 """
16 If the directory has no `index.html`, return `None`.
17 """
18 assert _get_coverage_info(tmp_path) is None
21def test_get_coverage_info_parses_pc_cov_span_template(tmp_path: Path):
22 """
23 Extract the float value from `<span class="pc_cov">…%</span>`.
24 """
25 _write_index(tmp_path, '<span class="pc_cov">87.5%</span>')
27 assert _get_coverage_info(tmp_path) == 87.5
30def test_get_coverage_info_returns_none_when_no_pattern_matches(tmp_path: Path):
31 """
32 `index.html` exists but contains no recognised template - return `None`.
33 """
34 _write_index(tmp_path, "<html><body>no coverage info here</body></html>")
36 assert _get_coverage_info(tmp_path) is None
39def test_get_coverage_info_handles_decimal_values(tmp_path: Path):
40 """
41 Values like `87.42` are parsed as `float`, not truncated to int.
42 """
43 _write_index(tmp_path, '<span class="pc_cov">87.42%</span>')
45 result = _get_coverage_info(tmp_path)
47 assert result == 87.42
48 assert isinstance(result, float)
51def test_get_coverage_info_handles_integer_values(tmp_path: Path):
52 """
53 Values like `100` are parsed as `100.0`.
54 """
55 _write_index(tmp_path, '<span class="pc_cov">100%</span>')
57 result = _get_coverage_info(tmp_path)
59 assert result == 100.0
60 assert isinstance(result, float)