def test_copy_nested():
fs = MockFilesystem(["file_1", {"test_path": ["file_1"]}])
with pytest.raises(CopyError) as e:
fs.copy(Path("/file_1"), Path("/test_path"))
assert "destination already exists" in str(e)
def test_copy():
fs = MockFilesystem({"file_1", "test_path"})
with pytest.raises(CopyError) as e:
fs.copy(Path("/file_1"), Path("/test_path"))
assert "destination is a file" in str(e)