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from __future__ import annotations
from typing import TYPE_CHECKING
from tox.util.path import ensure_cachedir_tag, ensure_empty_dir, ensure_gitignore
if TYPE_CHECKING:
from pathlib import Path
_EXPECTED_CACHEDIR_TAG = """\
Signature: 8a477f597d28d172789f06886806bc55
# This file is a cache directory tag created by tox.
# For information about cache directory tags, see:
#\thttps://bford.info/cachedir/spec.html
"""
def test_ensure_cachedir_tag_creates_file(tmp_path: Path) -> None:
ensure_cachedir_tag(tmp_path)
tag = tmp_path / "CACHEDIR.TAG"
assert tag.is_file()
content = tag.read_text(encoding="utf-8")
assert content.startswith("Signature: 8a477f597d28d172789f06886806bc55\n")
assert content == _EXPECTED_CACHEDIR_TAG
def test_ensure_cachedir_tag_creates_parent_dirs(tmp_path: Path) -> None:
nested = tmp_path / "a" / "b"
ensure_cachedir_tag(nested)
assert (nested / "CACHEDIR.TAG").is_file()
def test_ensure_cachedir_tag_idempotent(tmp_path: Path) -> None:
ensure_cachedir_tag(tmp_path)
tag = tmp_path / "CACHEDIR.TAG"
first_content = tag.read_text(encoding="utf-8")
ensure_cachedir_tag(tmp_path)
assert tag.read_text(encoding="utf-8") == first_content
def test_ensure_cachedir_tag_does_not_overwrite(tmp_path: Path) -> None:
tag = tmp_path / "CACHEDIR.TAG"
tag.write_text("Signature: 8a477f597d28d172789f06886806bc55\n# custom\n", encoding="utf-8")
ensure_cachedir_tag(tmp_path)
assert tag.read_text(encoding="utf-8") == "Signature: 8a477f597d28d172789f06886806bc55\n# custom\n"
def test_ensure_empty_dir_file(tmp_path: Path) -> None:
dest = tmp_path / "a"
dest.write_text("")
ensure_empty_dir(dest)
assert dest.is_dir()
assert not list(dest.iterdir())
def test_ensure_gitignore_creates_file(tmp_path: Path) -> None:
target = tmp_path / "work"
target.mkdir()
ensure_gitignore(target)
gitignore = target / ".gitignore"
assert gitignore.exists()
assert gitignore.read_text(encoding="utf-8") == "*\n"
def test_ensure_gitignore_creates_parent_dirs(tmp_path: Path) -> None:
target = tmp_path / "a" / "b" / "c"
ensure_gitignore(target)
gitignore = target / ".gitignore"
assert gitignore.exists()
assert gitignore.read_text(encoding="utf-8") == "*\n"
def test_ensure_gitignore_does_not_overwrite(tmp_path: Path) -> None:
target = tmp_path / "work"
target.mkdir()
gitignore = target / ".gitignore"
gitignore.write_text("custom\n", encoding="utf-8")
ensure_gitignore(target)
assert gitignore.read_text(encoding="utf-8") == "custom\n"
def test_ensure_gitignore_idempotent(tmp_path: Path) -> None:
target = tmp_path / "work"
target.mkdir()
ensure_gitignore(target)
ensure_gitignore(target)
assert (target / ".gitignore").read_text(encoding="utf-8") == "*\n"
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