mirror of
https://github.com/home-assistant/core
synced 2024-10-04 20:12:35 +00:00
98 lines
3.2 KiB
Python
98 lines
3.2 KiB
Python
"""Test Home Assistant file utility functions."""
|
|
|
|
import os
|
|
from pathlib import Path
|
|
from unittest.mock import patch
|
|
|
|
import py
|
|
import pytest
|
|
|
|
from homeassistant.util.file import WriteError, write_utf8_file, write_utf8_file_atomic
|
|
|
|
|
|
@pytest.mark.parametrize("func", [write_utf8_file, write_utf8_file_atomic])
|
|
def test_write_utf8_file_atomic_private(tmpdir: py.path.local, func) -> None:
|
|
"""Test files can be written as 0o600 or 0o644."""
|
|
test_dir = tmpdir.mkdir("files")
|
|
test_file = Path(test_dir / "test.json")
|
|
|
|
func(test_file, '{"some":"data"}', False)
|
|
with open(test_file, encoding="utf8") as fh:
|
|
assert fh.read() == '{"some":"data"}'
|
|
assert os.stat(test_file).st_mode & 0o777 == 0o644
|
|
|
|
func(test_file, '{"some":"data"}', True)
|
|
with open(test_file, encoding="utf8") as fh:
|
|
assert fh.read() == '{"some":"data"}'
|
|
assert os.stat(test_file).st_mode & 0o777 == 0o600
|
|
|
|
func(test_file, b'{"some":"data"}', True, mode="wb")
|
|
with open(test_file, encoding="utf8") as fh:
|
|
assert fh.read() == '{"some":"data"}'
|
|
assert os.stat(test_file).st_mode & 0o777 == 0o600
|
|
|
|
|
|
def test_write_utf8_file_fails_at_creation(tmpdir: py.path.local) -> None:
|
|
"""Test that failed creation of the temp file does not create an empty file."""
|
|
test_dir = tmpdir.mkdir("files")
|
|
test_file = Path(test_dir / "test.json")
|
|
|
|
with (
|
|
pytest.raises(WriteError),
|
|
patch(
|
|
"homeassistant.util.file.tempfile.NamedTemporaryFile", side_effect=OSError
|
|
),
|
|
):
|
|
write_utf8_file(test_file, '{"some":"data"}', False)
|
|
|
|
assert not os.path.exists(test_file)
|
|
|
|
|
|
def test_write_utf8_file_fails_at_rename(
|
|
tmpdir: py.path.local, caplog: pytest.LogCaptureFixture
|
|
) -> None:
|
|
"""Test that if rename fails not not remove, we do not log the failed cleanup."""
|
|
test_dir = tmpdir.mkdir("files")
|
|
test_file = Path(test_dir / "test.json")
|
|
|
|
with (
|
|
pytest.raises(WriteError),
|
|
patch("homeassistant.util.file.os.replace", side_effect=OSError),
|
|
):
|
|
write_utf8_file(test_file, '{"some":"data"}', False)
|
|
|
|
assert not os.path.exists(test_file)
|
|
|
|
assert "File replacement cleanup failed" not in caplog.text
|
|
|
|
|
|
def test_write_utf8_file_fails_at_rename_and_remove(
|
|
tmpdir: py.path.local, caplog: pytest.LogCaptureFixture
|
|
) -> None:
|
|
"""Test that if rename and remove both fail, we log the failed cleanup."""
|
|
test_dir = tmpdir.mkdir("files")
|
|
test_file = Path(test_dir / "test.json")
|
|
|
|
with (
|
|
pytest.raises(WriteError),
|
|
patch("homeassistant.util.file.os.remove", side_effect=OSError),
|
|
patch("homeassistant.util.file.os.replace", side_effect=OSError),
|
|
):
|
|
write_utf8_file(test_file, '{"some":"data"}', False)
|
|
|
|
assert "File replacement cleanup failed" in caplog.text
|
|
|
|
|
|
def test_write_utf8_file_atomic_fails(tmpdir: py.path.local) -> None:
|
|
"""Test OSError from write_utf8_file_atomic is rethrown as WriteError."""
|
|
test_dir = tmpdir.mkdir("files")
|
|
test_file = Path(test_dir / "test.json")
|
|
|
|
with (
|
|
pytest.raises(WriteError),
|
|
patch("homeassistant.util.file.AtomicWriter.open", side_effect=OSError),
|
|
):
|
|
write_utf8_file_atomic(test_file, '{"some":"data"}', False)
|
|
|
|
assert not os.path.exists(test_file)
|