File size: 2,151 Bytes
714e7c4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | import pytest
from matplotlib.font_manager import FontProperties
# Attributes on FontProperties object to check for consistency
keys = [
"get_family",
"get_style",
"get_variant",
"get_weight",
"get_size",
]
def test_fontconfig_pattern():
"""Test converting a FontProperties to string then back."""
# Defaults
test = "defaults "
f1 = FontProperties()
s = str(f1)
f2 = FontProperties(s)
for k in keys:
assert getattr(f1, k)() == getattr(f2, k)(), test + k
# Basic inputs
test = "basic "
f1 = FontProperties(family="serif", size=20, style="italic")
s = str(f1)
f2 = FontProperties(s)
for k in keys:
assert getattr(f1, k)() == getattr(f2, k)(), test + k
# Full set of inputs.
test = "full "
f1 = FontProperties(family="sans-serif", size=24, weight="bold",
style="oblique", variant="small-caps",
stretch="expanded")
s = str(f1)
f2 = FontProperties(s)
for k in keys:
assert getattr(f1, k)() == getattr(f2, k)(), test + k
def test_fontconfig_str():
"""Test FontProperties string conversions for correctness."""
# Known good strings taken from actual font config specs on a linux box
# and modified for MPL defaults.
# Default values found by inspection.
test = "defaults "
s = ("sans\\-serif:style=normal:variant=normal:weight=normal"
":stretch=normal:size=12.0")
font = FontProperties(s)
right = FontProperties()
for k in keys:
assert getattr(font, k)() == getattr(right, k)(), test + k
test = "full "
s = ("serif-24:style=oblique:variant=small-caps:weight=bold"
":stretch=expanded")
font = FontProperties(s)
right = FontProperties(family="serif", size=24, weight="bold",
style="oblique", variant="small-caps",
stretch="expanded")
for k in keys:
assert getattr(font, k)() == getattr(right, k)(), test + k
def test_fontconfig_unknown_constant():
with pytest.warns(DeprecationWarning):
FontProperties(":unknown")
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