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# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
from itertools import chain, combinations
from unittest import TestCase
from ..font_parser import (
DECORATIONS,
GENERIC_FAMILIES,
NOISE,
STRETCHES,
STYLES,
VARIANTS,
WEIGHTS,
simple_parser,
)
class TestSimpleParser(TestCase):
def test_empty(self):
properties = simple_parser("")
self.assertEqual(
properties,
{
'family': ["default"],
'size': 12.0,
'weight': "normal",
'stretch': "normal",
'style': "normal",
'variants': set(),
'decorations': set(),
},
)
def test_typical(self):
properties = simple_parser(
"10 pt bold condensed italic underline Helvetica sans-serif")
self.assertEqual(
properties,
{
'family': ["helvetica", "sans-serif"],
'size': 10.0,
'weight': "bold",
'stretch': "condensed",
'style': "italic",
'variants': set(),
'decorations': {"underline"},
},
)
def test_noise(self):
for noise in NOISE:
with self.subTest(noise=noise):
properties = simple_parser(noise)
self.assertEqual(
properties,
{
'family': ["default"],
'size': 12.0,
'weight': "normal",
'stretch': "normal",
'style': "normal",
'variants': set(),
'decorations': set(),
},
)
def test_generic_families(self):
for family in GENERIC_FAMILIES:
with self.subTest(family=family):
properties = simple_parser(family)
self.assertEqual(
properties,
{
'family': [family],
'size': 12.0,
'weight': "normal",
'stretch': "normal",
'style': "normal",
'variants': set(),
'decorations': set(),
},
)
def test_size(self):
for size in [12, 24, 12.5]:
with self.subTest(size=size):
properties = simple_parser(str(size))
self.assertEqual(
properties,
{
'family': ["default"],
'size': size,
'weight': "normal",
'stretch': "normal",
'style': "normal",
'variants': set(),
'decorations': set(),
},
)
def test_weight(self):
for weight in WEIGHTS:
with self.subTest(weight=weight):
properties = simple_parser(weight)
self.assertEqual(
properties,
{
'family': ["default"],
'size': 12.0,
'weight': weight,
'stretch': "normal",
'style': "normal",
'variants': set(),
'decorations': set(),
},
)
def test_stretch(self):
for stretch in STRETCHES:
with self.subTest(stretch=stretch):
properties = simple_parser(stretch)
self.assertEqual(
properties,
{
'family': ["default"],
'size': 12.0,
'weight': "normal",
'stretch': stretch,
'style': "normal",
'variants': set(),
'decorations': set(),
},
)
def test_style(self):
for style in STYLES:
with self.subTest(style=style):
properties = simple_parser(style)
self.assertEqual(
properties,
{
'family': ["default"],
'size': 12.0,
'weight': "normal",
'stretch': "normal",
'style': style,
'variants': set(),
'decorations': set(),
},
)
def test_variant(self):
for variant in VARIANTS:
with self.subTest(variant=variant):
properties = simple_parser(variant)
self.assertEqual(
properties,
{
'family': ["default"],
'size': 12.0,
'weight': "normal",
'stretch': "normal",
'style': "normal",
'variants': {variant},
'decorations': set(),
},
)
def test_decorations(self):
# get powerset iterator of DECORATIONS
all_decorations = chain.from_iterable(
combinations(DECORATIONS, n)
for n in range(len(DECORATIONS) + 1)
)
for decorations in all_decorations:
with self.subTest(decorations=decorations):
properties = simple_parser(" ".join(decorations))
self.assertEqual(
properties,
{
'family': ["default"],
'size': 12.0,
'weight': "normal",
'stretch': "normal",
'style': "normal",
'variants': set(),
'decorations': set(decorations),
},
)
|
