9034f4f3f1
We do not accept nonstandard axes if <axes> element is not present. Breaks one test. Needs updated expectations. Soon we'll be generating avar as well and all will be better, much better.
193 lines
7.1 KiB
Python
193 lines
7.1 KiB
Python
from __future__ import print_function, division, absolute_import
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from fontTools.misc.py23 import *
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from fontTools.ttLib import TTFont
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from fontTools.varLib import build
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from fontTools.varLib import main as varLib_main
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import difflib
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import os
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import shutil
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import sys
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import tempfile
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import unittest
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class BuildTest(unittest.TestCase):
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def __init__(self, methodName):
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unittest.TestCase.__init__(self, methodName)
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# Python 3 renamed assertRaisesRegexp to assertRaisesRegex,
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# and fires deprecation warnings if a program uses the old name.
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if not hasattr(self, "assertRaisesRegex"):
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self.assertRaisesRegex = self.assertRaisesRegexp
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def setUp(self):
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self.tempdir = None
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self.num_tempfiles = 0
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def tearDown(self):
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if self.tempdir:
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shutil.rmtree(self.tempdir)
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@staticmethod
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def get_test_input(test_file_or_folder):
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path, _ = os.path.split(__file__)
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return os.path.join(path, "data", test_file_or_folder)
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@staticmethod
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def get_test_output(test_file_or_folder):
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path, _ = os.path.split(__file__)
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return os.path.join(path, "data", "test_results", test_file_or_folder)
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@staticmethod
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def get_file_list(folder, suffix, prefix=''):
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all_files = os.listdir(folder)
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file_list = []
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for p in all_files:
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if p.startswith(prefix) and p.endswith(suffix):
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file_list.append(os.path.abspath(os.path.join(folder, p)))
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return file_list
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def temp_path(self, suffix):
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self.temp_dir()
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self.num_tempfiles += 1
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return os.path.join(self.tempdir,
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"tmp%d%s" % (self.num_tempfiles, suffix))
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def temp_dir(self):
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if not self.tempdir:
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self.tempdir = tempfile.mkdtemp()
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def read_ttx(self, path):
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lines = []
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with open(path, "r", encoding="utf-8") as ttx:
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for line in ttx.readlines():
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# Elide ttFont attributes because ttLibVersion may change,
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# and use os-native line separators so we can run difflib.
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if line.startswith("<ttFont "):
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lines.append("<ttFont>" + os.linesep)
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else:
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lines.append(line.rstrip() + os.linesep)
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return lines
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def expect_ttx(self, font, expected_ttx, tables):
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path = self.temp_path(suffix=".ttx")
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font.saveXML(path, tables=tables)
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actual = self.read_ttx(path)
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expected = self.read_ttx(expected_ttx)
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if actual != expected:
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for line in difflib.unified_diff(
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expected, actual, fromfile=expected_ttx, tofile=path):
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sys.stdout.write(line)
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self.fail("TTX output is different from expected")
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def check_ttx_dump(self, font, expected_ttx, tables, suffix):
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"""Ensure the TTX dump is the same after saving and reloading the font."""
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path = self.temp_path(suffix=suffix)
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font.save(path)
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self.expect_ttx(TTFont(path), expected_ttx, tables)
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def compile_font(self, path, suffix, temp_dir):
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ttx_filename = os.path.basename(path)
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savepath = os.path.join(temp_dir, ttx_filename.replace('.ttx', suffix))
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font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
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font.importXML(path)
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font.save(savepath, reorderTables=None)
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return font, savepath
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# -----
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# Tests
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# -----
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def test_varlib_build_ttf(self):
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"""Designspace file contains <axes> element."""
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suffix = '.ttf'
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ds_path = self.get_test_input('Build.designspace')
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ufo_dir = self.get_test_input('master_ufo')
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ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
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self.temp_dir()
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ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily-')
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for path in ttx_paths:
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self.compile_font(path, suffix, self.tempdir)
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finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
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varfont, model, _ = build(ds_path, finder)
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tables = ['GDEF', 'HVAR', 'fvar', 'gvar']
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expected_ttx_path = self.get_test_output('Build.ttx')
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self.expect_ttx(varfont, expected_ttx_path, tables)
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self.check_ttx_dump(varfont, expected_ttx_path, tables, suffix)
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def test_varlib_build2_ttf(self):
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"""Designspace file does not contain an <axes> element."""
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suffix = '.ttf'
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ds_path = self.get_test_input('Build2.designspace')
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ufo_dir = self.get_test_input('master_ufo')
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ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
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self.temp_dir()
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ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily-')
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for path in ttx_paths:
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self.compile_font(path, suffix, self.tempdir)
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finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
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varfont, model, _ = build(ds_path, finder)
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tables = ['GDEF', 'HVAR', 'fvar', 'gvar']
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expected_ttx_path = self.get_test_output('Build.ttx')
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self.expect_ttx(varfont, expected_ttx_path, tables)
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self.check_ttx_dump(varfont, expected_ttx_path, tables, suffix)
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def test_varlib_build3_ttf(self):
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"""Designspace file does not contain an <axes> element.
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build() is called without an axisMap parameter.
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"""
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suffix = '.ttf'
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ds_path = self.get_test_input('InterpolateLayout3.designspace')
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ufo_dir = self.get_test_input('master_ufo')
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ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
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self.temp_dir()
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ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
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for path in ttx_paths:
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self.compile_font(path, suffix, self.tempdir)
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finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
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varfont, model, _ = build(ds_path, finder)
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tables = ['GDEF', 'HVAR', 'fvar', 'gvar']
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expected_ttx_path = self.get_test_output('Build3.ttx')
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self.expect_ttx(varfont, expected_ttx_path, tables)
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self.check_ttx_dump(varfont, expected_ttx_path, tables, suffix)
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def test_varlib_main_ttf(self):
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"""Mostly for testing varLib.main()
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"""
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suffix = '.ttf'
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ds_path = self.get_test_input('Build.designspace')
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ufo_dir = self.get_test_input('master_ufo')
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ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
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self.temp_dir()
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ttf_dir = os.path.join(self.tempdir, 'master_ttf_interpolatable')
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os.makedirs(ttf_dir)
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ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily-')
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for path in ttx_paths:
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self.compile_font(path, suffix, ttf_dir)
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ds_copy = os.path.join(self.tempdir, 'BuildMain.designspace')
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shutil.copy2(ds_path, ds_copy)
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varLib_main([ds_copy])
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varfont_path = os.path.splitext(ds_copy)[0] + '-VF' + suffix
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varfont = TTFont(varfont_path)
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tables = [table_tag for table_tag in varfont.keys() if table_tag != 'head']
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expected_ttx_path = self.get_test_output('BuildMain.ttx')
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self.expect_ttx(varfont, expected_ttx_path, tables)
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if __name__ == "__main__":
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sys.exit(unittest.main())
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