Files
2026-07-29 23:32:26 +09:00

89 lines
2.7 KiB
Python

from fnmatch import fnmatch
from pathlib import Path
CPP_SUFFIXES = frozenset({".c", ".cc", ".cpp", ".cxx", ".h", ".hpp", ".hxx"})
DEFAULT_EXCLUDES = (
".harness/build/**",
"build/**",
"out/**",
"cmake-build-*/**",
"third_party/**",
"external/**",
"vendor/**",
"generated/**",
)
def is_excluded_path(path: Path, root: Path, extra: tuple[str, ...] = ()) -> bool:
try:
relative = path.resolve().relative_to(root.resolve()).as_posix()
except ValueError:
return False
return any(fnmatch(relative, pattern) for pattern in DEFAULT_EXCLUDES + extra)
def find_cpp_files(
root: Path,
extra_excludes: tuple[str, ...] = (),
) -> tuple[Path, ...]:
found = (
path
for path in root.resolve().rglob("*")
if path.is_file()
and path.suffix.lower() in CPP_SUFFIXES
and not is_excluded_path(path, root, extra_excludes)
)
return tuple(sorted(found))
def is_test_file(path: Path, root: Path, config) -> bool:
resolved = path.resolve()
if any(root == resolved or root in resolved.parents for root in config.test_roots):
return True
relative = resolved.relative_to(root.resolve())
if {"test", "tests"} & {part.lower() for part in relative.parts}:
return True
stem = resolved.stem.lower()
return stem.startswith("test_") or stem.endswith(("_test", "_tests", ".test"))
def matching_test_exists(path: Path, config) -> bool:
names = tuple(pattern.format(stem=path.stem) for pattern in config.test_patterns)
roots = (
*config.test_roots,
path.parent / "tests",
path.parent / "test",
)
for root in roots:
if not root.is_dir():
continue
for name in names:
if any(candidate.is_file() for candidate in root.rglob(name)):
return True
return False
def evaluate_paths(paths, root: Path, config) -> str | None:
root = root.resolve()
for raw in paths:
path = raw.resolve()
try:
path.relative_to(root)
except ValueError:
return f"TDD GUARD: '{path}' is outside the repository"
if path.suffix.lower() not in CPP_SUFFIXES:
continue
if (
path.name.lower() == "main.cpp"
or is_excluded_path(path, root, config.exclude)
or is_test_file(path, root, config)
):
continue
if not matching_test_exists(path, config):
expected = config.test_patterns[0].format(stem=path.stem)
return (
f"TDD GUARD: '{path.name}' requires an existing test such as "
f"'{expected}'. Add the test in a configured test root first."
)
return None