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# (C) Copyright 2008-2023 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!
import unittest
import wx
from pyface.font import Font as PyfaceFont
from pyface.util.font_parser import simple_parser
from traits.api import HasTraits, TraitError
from ..font_trait import (
WxFont, TraitsFont, create_traitsfont, font_families, font_styles,
font_to_str, font_weights
)
class FontExample(HasTraits):
font = WxFont()
class TestWxFont(unittest.TestCase):
def test_create_traitsfont(self):
expected_outcomes = {}
expected_outcomes[""] = TraitsFont(
10, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL
)
for weight, wx_weight in font_weights.items():
expected_outcomes[weight] = TraitsFont(
10, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_NORMAL, wx_weight
)
for style, wx_style in font_styles.items():
expected_outcomes[style] = TraitsFont(
10, wx.FONTFAMILY_DEFAULT, wx_style, wx.FONTWEIGHT_NORMAL
)
expected_outcomes["underline"] = TraitsFont(
10, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL, True
)
for size in ["18", "18 pt", "18 point"]:
expected_outcomes[size] = TraitsFont(
18, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL
)
for family, wx_family in font_families.items():
expected_outcomes[family] = TraitsFont(
10, wx_family, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL
)
expected_outcomes["Courier"] = TraitsFont(
10, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL, False, "Courier",
)
expected_outcomes["Comic Sans"] = TraitsFont(
10, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL, False, "Comic Sans",
)
expected_outcomes["18 pt Bold Oblique Underline Comic Sans script"] = TraitsFont(
18, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_SLANT, wx.FONTWEIGHT_BOLD, True, "Comic Sans",
)
for name, expected in expected_outcomes.items():
with self.subTest(name=name):
result = create_traitsfont(name)
# test we get expected font
self.assertIsInstance(result, TraitsFont)
self.assert_wxfont_equal(result, expected)
# round-trip trhough font_to_str
result_2 = create_traitsfont(font_to_str(result))
self.assert_wxfont_equal(result, result_2)
def test_create_traitsfont_wx_font(self):
font = wx.Font(
18, wx.FONTFAMILY_SCRIPT, wx.FONTSTYLE_SLANT, wx.FONTWEIGHT_BOLD, True, "Comic Sans",
)
traits_font = create_traitsfont(font)
self.assertIsInstance(traits_font, TraitsFont)
self.assert_wxfont_equal(traits_font, font)
def test_create_traitsfont_system_default(self):
font = wx.SystemSettings.GetFont(wx.SYS_DEFAULT_GUI_FONT)
traits_font = create_traitsfont(font)
self.assertIsInstance(traits_font, TraitsFont)
self.assert_wxfont_equal(traits_font, font)
def test_create_traitsfont_pyface_font(self):
args = simple_parser("18 pt Bold Oblique Underline Courier")
font = PyfaceFont(**args)
traits_font = create_traitsfont(font)
self.assertIsInstance(traits_font, TraitsFont)
self.assert_wxfont_equal(traits_font, font.to_toolkit())
def test_font_trait_default(self):
obj = FontExample()
self.assertIsInstance(obj.font, TraitsFont)
self.assert_wxfont_equal(obj.font, wx.SystemSettings.GetFont(wx.SYS_DEFAULT_GUI_FONT))
def test_font_trait_str(self):
obj = FontExample(font="18 pt Bold Oblique Underline Comic Sans script")
wx_font = TraitsFont(
18, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_SLANT, wx.FONTWEIGHT_BOLD, True, "Comic Sans",
)
self.assertIsInstance(obj.font, TraitsFont)
self.assert_wxfont_equal(obj.font, wx_font)
def test_font_trait_wx_font(self):
wx_font = TraitsFont(
18, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_SLANT, wx.FONTWEIGHT_BOLD, True, "Comic Sans",
)
obj = FontExample(font=wx_font)
self.assertIsInstance(obj.font, TraitsFont)
self.assert_wxfont_equal(obj.font, wx_font)
def test_font_trait_pyface_font(self):
args = simple_parser("18 pt Bold Oblique Underline Courier typewriter")
font = PyfaceFont(**args)
obj = FontExample(font=font)
self.assertIsInstance(obj.font, TraitsFont)
self.assert_wxfont_equal(obj.font, font.to_toolkit())
def test_font_trait_none(self):
obj = FontExample(font=None)
self.assertIsNone(obj.font)
def test_font_trait_bad(self):
with self.assertRaises(TraitError):
obj = FontExample(font=1)
def test_traits_font_reduce(self):
traits_font = TraitsFont(
18, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_SLANT, wx.FONTWEIGHT_BOLD, True, "Comic Sans",
)
result = traits_font.__reduce_ex__(None)
self.assertEqual(
result,
(
create_traitsfont,
("18 point Comic Sans Oblique Bold underline",),
),
)
def test_traits_font_str(self):
traits_font = TraitsFont(
18, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_SLANT, wx.FONTWEIGHT_BOLD, True, "Comic Sans",
)
result = str(traits_font)
self.assertEqual(
result,
"18 point Comic Sans Oblique Bold underline",
)
def assert_wxfont_equal(self, font, other):
self.assertIsInstance(font, wx.Font)
self.assertIsInstance(other, wx.Font)
self.assertEqual(font.FaceName, font.FaceName)
self.assertEqual(font.Family, other.Family)
self.assertEqual(font.PointSize, other.PointSize)
self.assertEqual(font.Style, other.Style)
self.assertEqual(font.Weight, other.Weight)
self.assertEqual(font.GetUnderlined(), other.GetUnderlined())
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