def test_comments_and_blank_lines_are_stripped_out(self, mocker):
contents = [
"# Here is a comment on the first line",
"# Here is another comment. The next line is just whitespace",
"\t\t\t\t\t",
"",
"_some_normal_line previous_line_was_blank",
" _another_normal_line starting_with_whitespace",
'# Final comment ## with # extra hashes ### in ##'
]
mocker.patch("builtins.open", mock.mock_open(read_data='\n'.join(contents)))
expected_remaining_lines = contents[4:6]
p = CIFParser("/some_directory/some_file.cif")
p._strip_comments_and_blank_lines()
assert p.raw_data == "\n".join(expected_remaining_lines)
