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test_instanceworker.py
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from pathlib import Path
from fontTools.ttLib import TTFont
import pytest
from PyQt5.QtCore import pyqtBoundSignal
from slice.instanceworker import InstanceWorker, InstanceWorkerSignals
from slice.models import FontModel, FontBitFlagModel, DesignAxisModel, FontNameModel
def bit_is_set(int_type, offset):
mask = 1 << offset
return (int_type & mask) != 0
def get_font_model():
# Values in this test font
# {'axisTag': 'MONO', 'axisNameID': 269, 'flags': 0, 'minValue': 0.0, 'defaultValue': 0.0, 'maxValue': 1.0}
# {'axisTag': 'CASL', 'axisNameID': 270, 'flags': 0, 'minValue': 0.0, 'defaultValue': 0.0, 'maxValue': 1.0}
# {'axisTag': 'wght', 'axisNameID': 271, 'flags': 0, 'minValue': 300.0, 'defaultValue': 300.0, 'maxValue': 1000.0}
# {'axisTag': 'slnt', 'axisNameID': 272, 'flags': 0, 'minValue': -15.0, 'defaultValue': 0.0, 'maxValue': 0.0}
# {'axisTag': 'CRSV', 'axisNameID': 273, 'flags': 0, 'minValue': 0.0, 'defaultValue': 0.5, 'maxValue': 1.0}
return FontModel(Path("tests/assets/fonts/Recursive-VF.subset.ttf").resolve())
def get_font_model_woff():
return FontModel(Path("tests/assets/fonts/Recursive-VF.subset.woff").resolve())
def get_font_model_woff2():
return FontModel(Path("tests/assets/fonts/Recursive-VF.subset.woff2").resolve())
def get_os2_default_dict_false():
return {
"bit0": False,
"bit5": False,
"bit6": False,
"bit8": False,
}
def get_os2_default_dict_true():
return {
"bit0": True,
"bit5": True,
"bit6": True,
"bit8": True,
}
def get_head_default_dict_false():
return {
"bit0": False,
"bit1": False,
}
def get_head_default_dict_true():
return {
"bit0": True,
"bit1": True,
}
def test_instanceworker_signals_instantiation():
iws = InstanceWorkerSignals()
assert type(iws.finished) is pyqtBoundSignal
assert type(iws.error) is pyqtBoundSignal
assert type(iws.result) is pyqtBoundSignal
def test_instanceworker_class_default(tmpdir):
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw is not None
# does not convert to Path type on instantiation
assert type(iw.outpath) is str
assert type(iw.font_model) is FontModel
assert type(iw.name_model) is FontNameModel
assert type(iw.axis_model) is DesignAxisModel
assert type(iw.bit_model) is FontBitFlagModel
# ttfont attribute is not instantiated until run() method execution
assert iw.ttfont is None
def test_instanceworker_instantiate_ttfont_and_gen_with_no_user_axis_defs(tmpdir):
# This should gen to the var font with the same axis ranges
# Note that this route is not executed because the application validates
# that at least one axis is defined, else there is nothing to do
# since the request is the original var font if there are no axis value defs
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model()
# uses a default model that has no data entry
# and should take default values for all axes
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# confirm that all variable axes remain
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
# make list of axis tags
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include all variable axis tags in the original
assert "MONO" in axis_tags
assert "CASL" in axis_tags
assert "wght" in axis_tags
assert "slnt" in axis_tags
assert "CRSV" in axis_tags
def test_instanceworker_instantiate_ttfont_and_gen_with_no_user_axis_defs_woff_format(
tmpdir,
):
# This should gen to the var font with the same axis ranges
# Note that this route is not executed because the application validates
# that at least one axis is defined, else there is nothing to do
# since the request is the original var font if there are no axis value defs
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model_woff()
# uses a default model that has no data entry
# and should take default values for all axes
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# confirm that it remains a woff format object
# following instantiation
assert iw.ttfont.flavor == "woff"
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# confirm that all variable axes remain
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
# make list of axis tags
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include all variable axis tags in the original
assert "MONO" in axis_tags
assert "CASL" in axis_tags
assert "wght" in axis_tags
assert "slnt" in axis_tags
assert "CRSV" in axis_tags
def test_instanceworker_instantiate_ttfont_and_gen_with_no_user_axis_defs_woff2_format(
tmpdir,
):
# This should gen to the var font with the same axis ranges
# Note that this route is not executed because the application validates
# that at least one axis is defined, else there is nothing to do
# since the request is the original var font if there are no axis value defs
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model_woff2()
# uses a default model that has no data entry
# and should take default values for all axes
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# confirm that it remains a woff2 format file
# following instantiation
assert iw.ttfont.flavor == "woff2"
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# confirm that all variable axes remain
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
# make list of axis tags
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include all variable axis tags in the original
assert "MONO" in axis_tags
assert "CASL" in axis_tags
assert "wght" in axis_tags
assert "slnt" in axis_tags
assert "CRSV" in axis_tags
def test_instanceworker_instantiate_ttfont_and_gen_subspace_one_axis(tmpdir):
# When there are
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# "MONO" axis defined as variable (i.e., no user input)
axis_model._data[0][1] = ""
axis_model._data[1][1] = "0"
axis_model._data[2][1] = "300"
axis_model._data[3][1] = "0"
axis_model._data[4][1] = "0.5"
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# after instantiation of the partial, fvar should still be present
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
# in the test font, the "MONO" axis should still be variable
# with the variable setting that was used above
# make list of axis tags
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include a variable MONO axis, all others
# should have been sliced
assert "MONO" in axis_tags
assert "CASL" not in axis_tags
assert "wght" not in axis_tags
assert "slnt" not in axis_tags
assert "CRSV" not in axis_tags
def test_instanceworker_instantiate_ttfont_and_gen_restricted_subspace_one_axis(tmpdir):
# When there are
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# "wght" axis defined at restricted range of 200:400
axis_model._data[0][1] = "1"
axis_model._data[1][1] = "0"
axis_model._data[2][1] = "200:400"
axis_model._data[3][1] = "0"
axis_model._data[4][1] = "0.5"
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# after instantiation of the partial, fvar should still be present
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
# in the test font, the "wght" axis should still be variable
# with the variable setting that was used above
# make list of axis tags
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include a variable MONO axis, all others
# should have been sliced
assert "MONO" not in axis_tags
assert "CASL" not in axis_tags
assert "wght" in axis_tags
assert "slnt" not in axis_tags
assert "CRSV" not in axis_tags
# get the axis data to confirm that we have a proper restricted axis range
for axis in iw.ttfont["fvar"].axes:
if axis.axisTag == "wght":
assert axis.minValue == 200
assert axis.maxValue == 400
assert axis.defaultValue == 300
def test_instanceworker_instantiate_ttfont_and_gen_subspace_one_axis_woff(tmpdir):
# When there are
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model_woff()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# "MONO" axis defined as variable (i.e., no user input)
axis_model._data[0][1] = ""
axis_model._data[1][1] = "0"
axis_model._data[2][1] = "300"
axis_model._data[3][1] = "0"
axis_model._data[4][1] = "0.5"
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# after instantiation of the partial, fvar should still be present
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
# confirm that it remains a woff format file
assert iw.ttfont.flavor == "woff"
# in the test font, the "MONO" axis should still be variable
# with the variable setting that was used above
# make list of axis tags
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include a variable MONO axis, all others
# should have been sliced
assert "MONO" in axis_tags
assert "CASL" not in axis_tags
assert "wght" not in axis_tags
assert "slnt" not in axis_tags
assert "CRSV" not in axis_tags
def test_instanceworker_instantiate_ttfont_and_gen_restricted_subspace_one_axis_woff(
tmpdir,
):
# When there are
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model_woff()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# "wght" axis defined at restricted range of 200:400
axis_model._data[0][1] = "1"
axis_model._data[1][1] = "0"
axis_model._data[2][1] = "200:400"
axis_model._data[3][1] = "0"
axis_model._data[4][1] = "0.5"
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# after instantiation of the partial, fvar should still be present
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
# in the test font, the "wght" axis should still be variable
# with the variable setting that was used above
# make list of axis tags
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include a variable MONO axis, all others
# should have been sliced
assert "MONO" not in axis_tags
assert "CASL" not in axis_tags
assert "wght" in axis_tags
assert "slnt" not in axis_tags
assert "CRSV" not in axis_tags
# get the axis data to confirm that we have a proper restricted axis range
for axis in iw.ttfont["fvar"].axes:
if axis.axisTag == "wght":
assert axis.minValue == 200
assert axis.maxValue == 400
assert axis.defaultValue == 300
def test_instanceworker_instantiate_ttfont_and_gen_subspace_one_axis_woff2(
tmpdir,
):
# When there are
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model_woff2()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# "MONO" axis defined as variable (i.e., no user input)
axis_model._data[0][1] = ""
axis_model._data[1][1] = "0"
axis_model._data[2][1] = "300"
axis_model._data[3][1] = "0"
axis_model._data[4][1] = "0.5"
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# after instantiation of the partial, fvar should still be present
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
# confirm that it remains a woff2 format file
assert iw.ttfont.flavor == "woff2"
# in the test font, the "MONO" axis should still be variable
# with the variable setting that was used above
# make list of axis tags
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include a variable MONO axis, all others
# should have been sliced
assert "MONO" in axis_tags
assert "CASL" not in axis_tags
assert "wght" not in axis_tags
assert "slnt" not in axis_tags
assert "CRSV" not in axis_tags
def test_instanceworker_instantiate_ttfont_and_gen_restricted_subspace_one_axis_woff2(
tmpdir,
):
# When there are
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model_woff2()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# "wght" axis defined at restricted range of 200:400
axis_model._data[0][1] = "1"
axis_model._data[1][1] = "0"
axis_model._data[2][1] = "200:400"
axis_model._data[3][1] = "0"
axis_model._data[4][1] = "0.5"
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# after instantiation of the partial, fvar should still be present
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
# in the test font, the "wght" axis should still be variable
# with the variable setting that was used above
# make list of axis tags
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include a variable MONO axis, all others
# should have been sliced
assert "MONO" not in axis_tags
assert "CASL" not in axis_tags
assert "wght" in axis_tags
assert "slnt" not in axis_tags
assert "CRSV" not in axis_tags
# get the axis data to confirm that we have a proper restricted axis range
for axis in iw.ttfont["fvar"].axes:
if axis.axisTag == "wght":
assert axis.minValue == 200
assert axis.maxValue == 400
assert axis.defaultValue == 300
def test_instanceworker_instantiate_ttfont_and_gen_subspace_multi_axis(tmpdir):
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# the next step mocks lack of user entry in MONO and CASL axis fields
# with values defined for other fields. This should lead to a sub-space
# build with variable and wght var axes
axis_model._data[0][1] = ""
axis_model._data[1][1] = ""
axis_model._data[2][1] = "300"
axis_model._data[3][1] = "0"
axis_model._data[4][1] = "0.5"
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# after sub-space gen, fvar should still be present
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include a variable MONO and CASL axes, all others
# should have been sliced
assert "MONO" in axis_tags
assert "CASL" in axis_tags
assert "wght" not in axis_tags
assert "slnt" not in axis_tags
assert "CRSV" not in axis_tags
def test_instanceworker_instantiate_ttfont_and_gen_subspace_multi_axis_woff(
tmpdir,
):
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model_woff()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# the next step mocks lack of user entry in MONO and CASL axis fields
# with values defined for other fields. This should lead to a sub-space
# build with variable and wght var axes
axis_model._data[0][1] = ""
axis_model._data[1][1] = ""
axis_model._data[2][1] = "300"
axis_model._data[3][1] = "0"
axis_model._data[4][1] = "0.5"
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# after sub-space gen, fvar should still be present
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
# should remain woff format file
assert iw.ttfont.flavor == "woff"
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include a variable MONO and CASL axes, all others
# should have been sliced
assert "MONO" in axis_tags
assert "CASL" in axis_tags
assert "wght" not in axis_tags
assert "slnt" not in axis_tags
assert "CRSV" not in axis_tags
def test_instanceworker_instantiate_ttfont_and_gen_subspace_multi_axis_woff2(
tmpdir,
):
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model_woff2()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# the next step mocks lack of user entry in MONO and CASL axis fields
# with values defined for other fields. This should lead to a sub-space
# build with variable and wght var axes
axis_model._data[0][1] = ""
axis_model._data[1][1] = ""
axis_model._data[2][1] = "300"
axis_model._data[3][1] = "0"
axis_model._data[4][1] = "0.5"
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# after sub-space gen, fvar should still be present
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
# should remain woff format file
assert iw.ttfont.flavor == "woff2"
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include a variable MONO and CASL axes, all others
# should have been sliced
assert "MONO" in axis_tags
assert "CASL" in axis_tags
assert "wght" not in axis_tags
assert "slnt" not in axis_tags
assert "CRSV" not in axis_tags
def test_instanceworker_instantiate_ttfont_and_gen_restricted_and_unrestricted_subspace_multiaxis(
tmpdir,
):
# When there are
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# "MONO" axis is full range of 0.0 : 1.0
# "wght" axis defined at restricted range of 200 : 400
# "CRSV" axis is defined at restricted range of 0.0 : 0.5
axis_model._data[0][1] = ""
axis_model._data[1][1] = "0"
axis_model._data[2][1] = "200:400"
axis_model._data[3][1] = "0"
axis_model._data[4][1] = "0:0.5"
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# after instantiation of the partial, fvar should still be present
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include a variable MONO axis, all others
# should have been sliced
assert "MONO" in axis_tags
assert "CASL" not in axis_tags
assert "wght" in axis_tags
assert "slnt" not in axis_tags
assert "CRSV" in axis_tags
# get the axis data to confirm that we have a proper restricted axis range
tested_axes = []
for axis in iw.ttfont["fvar"].axes:
# full range vs. original
if axis.axisTag == "MONO":
assert axis.minValue == 0.0
assert axis.maxValue == 1.0
assert axis.defaultValue == 0.0
tested_axes.append("MONO")
# restricted range vs. original
if axis.axisTag == "wght":
assert axis.minValue == 200.0
assert axis.maxValue == 400.0
assert axis.defaultValue == 300.0
tested_axes.append("wght")
# restricted range vs. original
if axis.axisTag == "CRSV":
assert axis.minValue == 0.0
assert axis.maxValue == 0.5
assert axis.defaultValue == 0.5
tested_axes.append("CRSV")
assert tested_axes == ["MONO", "wght", "CRSV"]
def test_instanceworker_instantiate_ttfont_and_gen_restricted_and_unrestricted_subspace_multiaxis_woff(
tmpdir,
):
# When there are
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model_woff()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# "MONO" axis is full range of 0.0 : 1.0
# "wght" axis defined at restricted range of 200 : 400
# "CRSV" axis is defined at restricted range of 0.0 : 0.5
axis_model._data[0][1] = ""
axis_model._data[1][1] = "0"
axis_model._data[2][1] = "200:400"
axis_model._data[3][1] = "0"
axis_model._data[4][1] = "0:0.5"
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# after instantiation of the partial, fvar should still be present
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include a variable MONO axis, all others
# should have been sliced
assert "MONO" in axis_tags
assert "CASL" not in axis_tags
assert "wght" in axis_tags
assert "slnt" not in axis_tags
assert "CRSV" in axis_tags
# get the axis data to confirm that we have a proper restricted axis range
tested_axes = []
for axis in iw.ttfont["fvar"].axes:
# full range vs. original
if axis.axisTag == "MONO":
assert axis.minValue == 0.0
assert axis.maxValue == 1.0
assert axis.defaultValue == 0.0
tested_axes.append("MONO")
# restricted range vs. original
if axis.axisTag == "wght":
assert axis.minValue == 200.0
assert axis.maxValue == 400.0
assert axis.defaultValue == 300.0
tested_axes.append("wght")
# restricted range vs. original
if axis.axisTag == "CRSV":
assert axis.minValue == 0.0
assert axis.maxValue == 0.5
assert axis.defaultValue == 0.5
tested_axes.append("CRSV")
assert tested_axes == ["MONO", "wght", "CRSV"]
def test_instanceworker_instantiate_ttfont_and_gen_restricted_and_unrestricted_subspace_multiaxis_woff2(
tmpdir,
):
# When there are
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model_woff2()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# "MONO" axis is full range of 0.0 : 1.0
# "wght" axis defined at restricted range of 200 : 400
# "CRSV" axis is defined at restricted range of 0.0 : 0.5
axis_model._data[0][1] = ""
axis_model._data[1][1] = "0"
axis_model._data[2][1] = "200:400"
axis_model._data[3][1] = "0"
axis_model._data[4][1] = "0:0.5"
name_model = FontNameModel()
name_model.load_font(font_model)
bit_model = FontBitFlagModel(
get_os2_default_dict_true(), get_head_default_dict_true()
)
iw = InstanceWorker(
outpath,
font_model,
axis_model,
name_model,
bit_model,
)
assert iw.ttfont is None
# the ttfont attribute is set with this method
iw.instantiate_ttfont()
assert type(iw.ttfont) is TTFont
# it is a variable font and should have an fvar table
assert "fvar" in iw.ttfont
# after instantiation of the partial, fvar should still be present
iw.instantiate_variable_font()
assert "fvar" in iw.ttfont
axis_tags = [axis.axisTag for axis in iw.ttfont["fvar"].axes]
# the font should include a variable MONO axis, all others
# should have been sliced
assert "MONO" in axis_tags
assert "CASL" not in axis_tags
assert "wght" in axis_tags
assert "slnt" not in axis_tags
assert "CRSV" in axis_tags
# get the axis data to confirm that we have a proper restricted axis range
tested_axes = []
for axis in iw.ttfont["fvar"].axes:
# full range vs. original
if axis.axisTag == "MONO":
assert axis.minValue == 0.0
assert axis.maxValue == 1.0
assert axis.defaultValue == 0.0
tested_axes.append("MONO")
# restricted range vs. original
if axis.axisTag == "wght":
assert axis.minValue == 200.0
assert axis.maxValue == 400.0
assert axis.defaultValue == 300.0
tested_axes.append("wght")
# restricted range vs. original
if axis.axisTag == "CRSV":
assert axis.minValue == 0.0
assert axis.maxValue == 0.5
assert axis.defaultValue == 0.5
tested_axes.append("CRSV")
assert tested_axes == ["MONO", "wght", "CRSV"]
def test_instanceworker_instantiate_ttfont_raises_valueerror_on_invalid_data(tmpdir):
outpath = str(tmpdir.join("test.ttf"))
font_model = get_font_model()
axis_model = DesignAxisModel()
axis_model.load_font(font_model)
# enters an invalid data entry string of "BOGUSVALUE"
# this should raise a ValueError that propagates