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
