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"""Charmap Test Case
This module contains the test case for the Charmap Test. It prints the first
999 characters of the unicode character set with a unicode ttf font, and
verifies the result against a known good result.
This test will complain that some of the values in this font file are out of
the range of the C 'short' data type (2 bytes, 0 - 65535):
fpdf/ttfonts.py:671: UserWarning: cmap value too big/small:
and this seems to be okay.
"""
import logging
from pathlib import Path
from fontTools.ttLib import TTFont
import pytest
from fpdf import FPDF
from test.conftest import assert_pdf_equal, ensure_exec_time_below
HERE = Path(__file__).resolve().parent
@pytest.mark.skip(reason="Font related tests are failing with the fonts available in Debian")
@pytest.mark.parametrize(
"font_filename",
[
font_file.name
for font_file in HERE.glob("*.*tf")
if not any(
exclude in font_file.stem
for exclude in ("Bold", "Italic", "NotoColorEmoji")
)
],
)
@ensure_exec_time_below(seconds=10) # TwitterEmoji.ttf is the longest to process
def test_charmap_first_999_chars(caplog, font_filename, tmp_path):
"""
Character Map Test
from PyFPDF version 1.7.2: github.com/reingart/pyfpdf/commit/2eab310cfd866ce24947c3a9d850ebda7c6d515d
"""
caplog.set_level(logging.ERROR) # hides fonttool warnings
font_path = HERE / font_filename
font_name = font_path.stem
pdf = FPDF()
pdf.add_page()
pdf.add_font(fname=font_path)
pdf.set_font(font_name, size=10)
font = TTFont(font_path, lazy=True)
cmap = font.getBestCmap()
# Create a PDF with the first 999 characters defined in the font:
for counter, character in enumerate(list(cmap.keys())[:1000]):
pdf.write(8, f"{counter:03}) {character:03x} - {character:c}", print_sh=True)
pdf.ln()
assert_pdf_equal(pdf, HERE / f"charmap_first_999_chars-{font_name}.pdf", tmp_path)
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