def test_usefulfilepath_inaccessible(tmp_path):
"""The indicated path is not readable."""
test_file = tmp_path / "testfile.bin"
test_file.touch(mode=0o000)
with pytest.raises(CommandError) as cm:
useful_filepath(str(test_file))
assert str(cm.value) == "Cannot access {!r}.".format(str(test_file))
def test_usefulfilepath_pathlib(tmp_path):
"""Convert the string to Path."""
test_file = tmp_path / "testfile.bin"
test_file.touch()
path = useful_filepath(str(test_file))
assert path == test_file
assert isinstance(path, pathlib.Path)
def test_usefulfilepath_home_expanded(tmp_path, monkeypatch):
"""Home-expand the indicated path."""
fake_home = tmp_path / "homedir"
fake_home.mkdir()
test_file = fake_home / "testfile.bin"
test_file.touch()
monkeypatch.setitem(os.environ, "HOME", str(fake_home))
path = useful_filepath("~/testfile.bin")
assert path == test_file
def test_usefulfilepath_not_a_file(tmp_path):
"""The indicated path is not a file."""
with pytest.raises(CommandError) as cm:
useful_filepath(str(tmp_path))
assert str(cm.value) == "{!r} is not a file.".format(str(tmp_path))
def test_usefulfilepath_missing():
"""The indicated path is not there."""
with pytest.raises(CommandError) as cm:
useful_filepath("not_really_there.txt")
assert str(cm.value) == "Cannot access 'not_really_there.txt'."
