name : test_dir_util.py """Tests for distutils.dir_util.""" import os import pathlib import stat import unittest.mock as mock from distutils import dir_util, errors from distutils.dir_util import ( copy_tree, create_tree, ensure_relative, mkpath, remove_tree, ) from distutils.tests import support import jaraco.path import path import pytest @pytest.fixture(autouse=True) def stuff(request, monkeypatch, distutils_managed_tempdir): self = request.instance tmp_dir = self.mkdtemp() self.root_target = os.path.join(tmp_dir, 'deep') self.target = os.path.join(self.root_target, 'here') self.target2 = os.path.join(tmp_dir, 'deep2') class TestDirUtil(support.TempdirManager): def test_mkpath_remove_tree_verbosity(self, caplog): mkpath(self.target, verbose=False) assert not caplog.records remove_tree(self.root_target, verbose=False) mkpath(self.target, verbose=True) wanted = [f'creating {self.target}'] assert caplog.messages == wanted caplog.clear() remove_tree(self.root_target, verbose=True) wanted = [f"removing '{self.root_target}' (and everything under it)"] assert caplog.messages == wanted @pytest.mark.skipif("platform.system() == 'Windows'") def test_mkpath_with_custom_mode(self): # Get and set the current umask value for testing mode bits. umask = os.umask(0o002) os.umask(umask) mkpath(self.target, 0o700) assert stat.S_IMODE(os.stat(self.target).st_mode) == 0o700 & ~umask mkpath(self.target2, 0o555) assert stat.S_IMODE(os.stat(self.target2).st_mode) == 0o555 & ~umask def test_create_tree_verbosity(self, caplog): create_tree(self.root_target, ['one', 'two', 'three'], verbose=False) assert caplog.messages == [] remove_tree(self.root_target, verbose=False) wanted = [f'creating {self.root_target}'] create_tree(self.root_target, ['one', 'two', 'three'], verbose=True) assert caplog.messages == wanted remove_tree(self.root_target, verbose=False) def test_copy_tree_verbosity(self, caplog): mkpath(self.target, verbose=False) copy_tree(self.target, self.target2, verbose=False) assert caplog.messages == [] remove_tree(self.root_target, verbose=False) mkpath(self.target, verbose=False) a_file = path.Path(self.target) / 'ok.txt' jaraco.path.build({'ok.txt': 'some content'}, self.target) wanted = [f'copying {a_file} -> {self.target2}'] copy_tree(self.target, self.target2, verbose=True) assert caplog.messages == wanted remove_tree(self.root_target, verbose=False) remove_tree(self.target2, verbose=False) def test_copy_tree_skips_nfs_temp_files(self): mkpath(self.target, verbose=False) jaraco.path.build({'ok.txt': 'some content', '.nfs123abc': ''}, self.target) copy_tree(self.target, self.target2) assert os.listdir(self.target2) == ['ok.txt'] remove_tree(self.root_target, verbose=False) remove_tree(self.target2, verbose=False) def test_ensure_relative(self): if os.sep == '/': assert ensure_relative('/home/foo') == 'home/foo' assert ensure_relative('some/path') == 'some/path' else: # \\ assert ensure_relative('c:\\home\\foo') == 'c:home\\foo' assert ensure_relative('home\\foo') == 'home\\foo' def test_copy_tree_exception_in_listdir(self): """ An exception in listdir should raise a DistutilsFileError """ with mock.patch("os.listdir", side_effect=OSError()), pytest.raises( errors.DistutilsFileError ): src = self.tempdirs[-1] dir_util.copy_tree(src, None) def test_mkpath_exception_uncached(self, monkeypatch, tmp_path): """ Caching should not remember failed attempts. pypa/distutils#304 """ class FailPath(pathlib.Path): def mkdir(self, *args, **kwargs): raise OSError("Failed to create directory") target = tmp_path / 'foodir' with pytest.raises(errors.DistutilsFileError): mkpath(FailPath(target)) assert not target.exists() mkpath(target) assert target.exists()