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45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
from pathlib import Path
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import re
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import matplotlib.pyplot as plt
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from matplotlib.texmanager import TexManager
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import pytest
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def test_fontconfig_preamble():
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"""Test that the preamble is included in _fontconfig."""
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plt.rcParams['text.usetex'] = True
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tm1 = TexManager()
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font_config1 = tm1.get_font_config()
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plt.rcParams['text.latex.preamble'] = '\\usepackage{txfonts}'
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tm2 = TexManager()
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font_config2 = tm2.get_font_config()
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assert font_config1 != font_config2
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@pytest.mark.parametrize(
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"rc, preamble, family", [
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({"font.family": "sans-serif", "font.sans-serif": "helvetica"},
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r"\usepackage{helvet}", r"\sffamily"),
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({"font.family": "serif", "font.serif": "palatino"},
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r"\usepackage{mathpazo}", r"\rmfamily"),
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({"font.family": "cursive", "font.cursive": "zapf chancery"},
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r"\usepackage{chancery}", r"\rmfamily"),
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({"font.family": "monospace", "font.monospace": "courier"},
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r"\usepackage{courier}", r"\ttfamily"),
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({"font.family": "helvetica"}, r"\usepackage{helvet}", r"\sffamily"),
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({"font.family": "palatino"}, r"\usepackage{mathpazo}", r"\rmfamily"),
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({"font.family": "zapf chancery"},
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r"\usepackage{chancery}", r"\rmfamily"),
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({"font.family": "courier"}, r"\usepackage{courier}", r"\ttfamily")
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])
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def test_font_selection(rc, preamble, family):
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plt.rcParams.update(rc)
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tm = TexManager()
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src = Path(tm.make_tex("hello, world", fontsize=12)).read_text()
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assert preamble in src
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assert [*re.findall(r"\\\w+family", src)] == [family]
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