from helpers import absolute_sample_path from pdfminer.high_level import extract_pages from pdfminer.layout import LTChar, LTTextBox def test_font_size(): path = absolute_sample_path("font-size-test.pdf") for page in extract_pages(path): for text_box in page: if isinstance(text_box, LTTextBox): for line in text_box: possible_number = line.get_text().strip() if possible_number.isdigit(): expected_size = int(possible_number) for char in line: if isinstance(char, LTChar): actual_size = int(round(char.size)) assert expected_size == actual_size