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# Pylint doesn't play well with fixtures and dependency injection from pytest
# pylint: disable=redefined-outer-name
import pytest
from buildstream.utils import (
move_atomic,
DirectoryExistsError,
_get_file_mtimestamp,
_set_file_mtime,
_parse_timestamp,
)
from buildstream.testing._utils.site import have_subsecond_mtime
@pytest.fixture
def src(tmp_path):
src = tmp_path.joinpath("src")
src.mkdir()
with src.joinpath("test").open("w") as fp:
fp.write("test")
return src
def test_move_to_empty_dir(src, tmp_path):
dst = tmp_path.joinpath("dst")
move_atomic(src, dst)
assert dst.joinpath("test").exists()
def test_move_to_empty_dir_create_parents(src, tmp_path):
dst = tmp_path.joinpath("nested/dst")
move_atomic(src, dst)
assert dst.joinpath("test").exists()
def test_move_to_empty_dir_no_create_parents(src, tmp_path):
dst = tmp_path.joinpath("nested/dst")
with pytest.raises(FileNotFoundError):
move_atomic(src, dst, ensure_parents=False)
def test_move_non_existing_dir(tmp_path):
dst = tmp_path.joinpath("dst")
src = tmp_path.joinpath("src")
with pytest.raises(FileNotFoundError):
move_atomic(src, dst)
def test_move_to_existing_empty_dir(src, tmp_path):
dst = tmp_path.joinpath("dst")
dst.mkdir()
move_atomic(src, dst)
assert dst.joinpath("test").exists()
def test_move_to_existing_file(src, tmp_path):
dst = tmp_path.joinpath("dst")
with dst.open("w") as fp:
fp.write("error")
with pytest.raises(NotADirectoryError):
move_atomic(src, dst)
def test_move_file_to_existing_file(tmp_path):
dst = tmp_path.joinpath("dst")
src = tmp_path.joinpath("src")
with src.open("w") as fp:
fp.write("src")
with dst.open("w") as fp:
fp.write("dst")
move_atomic(src, dst)
with dst.open() as fp:
assert fp.read() == "src"
def test_move_to_existing_non_empty_dir(src, tmp_path):
dst = tmp_path.joinpath("dst")
dst.mkdir()
with dst.joinpath("existing").open("w") as fp:
fp.write("already there")
with pytest.raises(DirectoryExistsError):
move_atomic(src, dst)
def test_move_to_empty_dir_set_mtime(src, tmp_path):
# Skip this test if we do not have support for subsecond precision mtimes
#
if not have_subsecond_mtime(str(tmp_path)):
pytest.skip("Filesystem does not support subsecond mtime precision: {}".format(str(tmp_path)))
dst = tmp_path.joinpath("dst")
move_atomic(src, dst)
assert dst.joinpath("test").exists()
_dst = str(dst)
# set the mtime via stamp
timestamp1 = "2020-01-08T11:05:50.832123Z"
_set_file_mtime(_dst, _parse_timestamp(timestamp1))
assert timestamp1 == _get_file_mtimestamp(_dst)
# reset the mtime using an offset stamp
timestamp2 = "2010-02-12T12:05:50.832123+01:00"
_set_file_mtime(_dst, _parse_timestamp(timestamp2))
assert _get_file_mtimestamp(_dst) == "2010-02-12T11:05:50.832123Z"
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