def test_font_magic_new_method():
font = teek.Font('a_font_with_this_name_does_not_exist')
assert isinstance(font, teek.Font)
assert not isinstance(font, teek.NamedFont)
teek.tcl_eval(None, 'font create test_font_name')
named_font = teek.Font('test_font_name')
assert isinstance(named_font, teek.NamedFont)
named_font.delete()
def test_properties():
anonymous_font = teek.Font(("Helvetica", 42, "bold", "underline"))
named_font = teek.NamedFont(
family='Helvetica', size=42, weight='bold', underline=True)
# just to make debugging easier because these facts are needed below
assert not isinstance(anonymous_font, teek.NamedFont)
assert isinstance(named_font, teek.NamedFont)
for font in [anonymous_font, named_font]:
assert font.size == 42
assert font.weight == "bold"
assert font.slant == "roman"
assert font.underline is True
assert font.overstrike is False
# the actual properties might differ from the font specification, e.g.
# "Helvetica" is "Nimbus Sans L" on my system
assert isinstance(font.family, str)
# test setting error
with pytest.raises(AttributeError) as error:
anonymous_font.weight = "normal"
assert '.to_named_font()' in str(error.value)
# test successful setting
assert named_font.underline is True
named_font.underline = False
assert named_font.underline is False
assert not hasattr(anonymous_font, 'delete')
named_font.delete()
def get_test_family():
"""Get font family with actual size equal to given size
"""
for family in teek.Font.families():
font = teek.Font((family, 42))
if font.size == 42:
return family
return teek.Font.families()[0]
def test_from_and_to_tcl():
description = ["Helvetica", 42, "bold"]
descriptiony_font = teek.Font(description)
assert descriptiony_font.to_tcl() is description
assert teek.Font.from_tcl(description) == descriptiony_font
teek.tcl_eval(None, 'font create test_font_name')
named_font = teek.NamedFont.from_tcl('test_font_name')
assert isinstance(named_font, teek.NamedFont)
assert named_font.to_tcl() == 'test_font_name'
named_font.delete()
def test_from_and_to_tcl():
description = [get_test_family(), 42, 'bold']
descriptiony_font = teek.Font(description)
assert descriptiony_font.to_tcl() == to_tcl(description)
assert teek.Font.from_tcl(description) == descriptiony_font
teek.tcl_eval(None, 'font create test_font_name')
named_font = teek.NamedFont.from_tcl('test_font_name')
assert isinstance(named_font, teek.NamedFont)
assert named_font.to_tcl() == 'test_font_name'
named_font.delete()
def test_to_named_font():
anonymous = teek.Font(('Helvetica', 42))
named = anonymous.to_named_font()
assert isinstance(named, teek.NamedFont)
assert fonts_are_similar(anonymous, named)
named2 = named.to_named_font() # creates a copy
assert isinstance(named2, teek.NamedFont)
assert named != named2 # it is a copy
assert fonts_are_similar(named, named2)
named2.weight = 'bold'
assert named.weight != named2.weight
named2.weight = 'normal'
assert fonts_are_similar(named, named2)
named.delete()
named2.delete()
def test_to_named_font():
anonymous = teek.Font((get_test_family(), 42))
named = anonymous.to_named_font()
assert isinstance(named, teek.NamedFont)
assert fonts_are_similar(anonymous, named)
named2 = named.to_named_font() # creates a copy
assert isinstance(named2, teek.NamedFont)
assert named != named2 # it is a copy
assert fonts_are_similar(named, named2)
named2.size = 18
assert named.size != named2.size
named2.size = 42
assert fonts_are_similar(named, named2)
named.delete()
named2.delete()
def test_repr_eq_hash():
font = teek.Font(('Helvetica', 12))
named_font = teek.NamedFont('asda')
assert repr(font) == "Font(('Helvetica', 12))"
assert repr(named_font) == "NamedFont('asda')"
another_named_font = teek.NamedFont('asda')
assert named_font == another_named_font
assert {named_font: 'toot'}[another_named_font] == 'toot'
def all_names():
return (font.to_tcl()
for font in teek.NamedFont.get_all_named_fonts())
assert 'asda' in all_names()
named_font.delete()
assert 'asda' not in all_names()
assert font != 'toot'
assert named_font != 'toot'
def test_metrics():
metrics = teek.Font(('Helvetica', 42, 'bold')).metrics()
assert isinstance(metrics['ascent'], int)
assert isinstance(metrics['descent'], int)
assert isinstance(metrics['linespace'], int)
assert isinstance(metrics['fixed'], bool)
def test_measure():
assert teek.Font(('Helvetica', 42, 'bold')).measure('') == 0
def test_special_font_names():
assert isinstance(teek.Font('TkFixedFont'), teek.NamedFont)
assert isinstance(teek.Font.from_tcl('TkFixedFont'), teek.NamedFont)
def test_metrics():
metrics = teek.Font((get_test_family(), 42, 'bold')).metrics()
assert isinstance(metrics['ascent'], int)
assert isinstance(metrics['descent'], int)
assert isinstance(metrics['linespace'], int)
assert isinstance(metrics['fixed'], bool)
def test_measure():
assert teek.Font((get_test_family(), 42, 'bold')).measure('') == 0