def test_metadata_family(self):
""" Font and METADATA.json have the same name """
for font_metadata in self.metadata.fonts:
font = Font.get_ttfont_from_metadata(self.path, font_metadata)
if font.familyname != font_metadata.name:
msg = 'Family name in TTF is "%s" but in METADATA "%s"'
self.fail(msg % (font.familyname, font_metadata.name))
def test_check_menu_contains_proper_glyphs(self):
""" Check menu file contains proper glyphs """
contents = self.read_metadata_contents()
fm = Metadata.get_family_metadata(contents)
for font_metadata in fm.fonts:
tf = Font.get_ttfont_from_metadata(self.path, font_metadata, is_menu=True)
self.check_retrieve_glyphs(tf, font_metadata)
def test_check_normal_style_matches_names(self):
""" Check metadata.json font.style `italic` matches font internal """
contents = self.read_metadata_contents()
family = Metadata.get_family_metadata(contents)
for font_metadata in family.fonts:
if font_metadata.style != 'normal':
continue
font = Font.get_ttfont_from_metadata(self.path, font_metadata)
if bool(font.macStyle & 0b10):
self.fail(('Metadata style has been set to normal'
' but font second bit (italic) in macStyle has'
' been set'))
style = font.familyname.split('-')[-1]
if style.endswith('Italic'):
self.fail(('macStyle second bit is not set but postScriptName "%s"'
' is ended with "Italic"') % font.familyname)
style = font.fullname.split('-')[-1]
if style.endswith('Italic'):
self.fail(('macStyle second bit is not set but fullName "%s"'
' is ended with "Italic"') % font.fullname)
def test_metrics_descents_equal_bbox(self):
""" Check that descents values are same as min glyph point """
contents = self.read_metadata_contents()
family_metadata = Metadata.get_family_metadata(contents)
fonts_descents_not_bbox = []
ymin = 0
_cache = {}
for font_metadata in family_metadata.fonts:
ttfont = Font.get_ttfont_from_metadata(self.path, font_metadata)
ymin_, ymax_ = ttfont.get_bounding()
ymin = min(ymin, ymin_)
_cache[font_metadata.filename] = {
'os2typo': abs(ttfont.descents.os2typo),
'os2win': abs(ttfont.descents.os2win),
'hhea': abs(ttfont.descents.hhea)
}
for filename, data in _cache.items():
if [data['os2typo'], data['os2win'], data['hhea']] != [abs(ymin)] * 3:
fonts_descents_not_bbox.append(filename)
if fonts_descents_not_bbox:
_ = '[%s] ascents differ to minimum value: %s'
self.fail(_ % (', '.join(fonts_descents_not_bbox), ymin))
def test_font_name_matches_family(self):
""" METADATA.json fonts 'name' property should be
same as font familyname """
for font_metadata in self.metadata.fonts:
font = Font.get_ttfont_from_metadata(self.path, font_metadata)
if font_metadata.name != font.familyname:
msg = '"fonts.name" property is not the same as TTF familyname'
self.fail(msg)
def test_the_same_names_of_glyphs_across_family(self):
""" The same names of glyphs across family? """
glyphs = None
for font_metadata in self.familymetadata.fonts:
ttfont = Font.get_ttfont_from_metadata(self.path, font_metadata)
if not glyphs:
glyphs = len(ttfont.glyphs)
if glyphs != len(ttfont.glyphs):
self.fail('Family has a different glyphs\'s names in fonts')
def test_the_same_number_of_glyphs_across_family(self):
""" The same number of glyphs across family? """
glyphs_count = 0
for font_metadata in self.familymetadata.fonts:
ttfont = Font.get_ttfont_from_metadata(self.path, font_metadata)
if not glyphs_count:
glyphs_count = len(ttfont.glyphs)
if glyphs_count != len(ttfont.glyphs):
self.fail('Family has a different glyphs\'s count in fonts')
def test_postscriptname_contains_correct_weight(self):
""" Metadata weight matches postScriptName """
contents = self.read_metadata_contents()
fm = Metadata.get_family_metadata(contents)
for font_metadata in fm.fonts:
font = Font.get_ttfont_from_metadata(self.path, font_metadata)
if font.OS2_usWeightClass != font_metadata.weight:
msg = 'METADATA.JSON has weight %s but in TTF it is %s'
self.fail(msg % (font_metadata.weight, font.OS2_usWeightClass))
def test_check_metadata_matches_nametable(self):
contents = self.read_metadata_contents()
fm = Metadata.get_family_metadata(contents)
for font_metadata in fm.fonts:
ttfont = Font.get_ttfont_from_metadata(self.path, font_metadata)
report = '%s: Family name was supposed to be "%s" but is "%s"'
report = report % (font_metadata.name, fm.name,
ttfont.familyname)
self.assertEqual(ttfont.familyname, fm.name, report)
self.assertEqual(ttfont.fullname, font_metadata.full_name)
def test_the_same_encodings_of_glyphs_across_family(self):
""" The same unicode encodings of glyphs across family? """
encoding = None
for font_metadata in self.familymetadata.fonts:
ttfont = Font.get_ttfont_from_metadata(self.path, font_metadata)
cmap = ttfont.retrieve_cmap_format_4()
if not encoding:
encoding = cmap.platEncID
if encoding != cmap.platEncID:
self.fail('Family has different encoding across fonts')
def test_metadata_fonts_fields_have_fontname(self):
""" METADATA.json fonts items fields "name", "postScriptName",
"fullName", "filename" contains font name right format """
for x in self.metadata.fonts:
font = Font.get_ttfont_from_metadata(self.path, x)
self.assertIn(font.familyname, x.name)
self.assertIn(font.familyname, x.full_name)
self.assertIn("".join(str(font.familyname).split()),
x.filename)
self.assertIn("".join(str(font.familyname).split()),
x.post_script_name)
def test_metrics_linegaps_are_zero(self):
""" Check that linegaps in tables are zero """
contents = self.read_metadata_contents()
family_metadata = Metadata.get_family_metadata(contents)
fonts_gaps_are_not_zero = []
for font_metadata in family_metadata.fonts:
ttfont = Font.get_ttfont_from_metadata(self.path, font_metadata)
if bool(ttfont.linegaps.os2typo) or bool(ttfont.linegaps.hhea):
fonts_gaps_are_not_zero.append(font_metadata.filename)
if fonts_gaps_are_not_zero:
_ = '[%s] have not zero linegaps'
self.fail(_ % ', '.join(fonts_gaps_are_not_zero))
def test_check_nbsp_width_matches_sp_width(self):
""" Check NO-BREAK SPACE advanceWidth is the same as SPACE """
contents = self.read_metadata_contents()
fm = Metadata.get_family_metadata(contents)
for font_metadata in fm.fonts:
tf = Font.get_ttfont_from_metadata(self.path, font_metadata)
space_advance_width = tf.advance_width('space')
nbsp_advance_width = tf.advance_width('uni00A0')
_ = "%s: The font does not contain a sp glyph"
self.assertTrue(space_advance_width, _ % font_metadata.filename)
_ = "%s: The font does not contain a nbsp glyph"
self.assertTrue(nbsp_advance_width, _ % font_metadata.filename)
_ = ("%s: The nbsp advance width does not match "
"the sp advance width") % font_metadata.filename
self.assertEqual(space_advance_width, nbsp_advance_width, _)
def test_check_canonical_weights(self):
""" Check that weights have canonical value """
contents = self.read_metadata_contents()
fm = Metadata.get_family_metadata(contents)
for font_metadata in fm.fonts:
weight = font_metadata.weight
first_digit = weight / 100
is_invalid = (weight % 100) != 0 or (first_digit < 1
or first_digit > 9)
_ = ("%s: The weight is %d which is not a "
"multiple of 100 between 1 and 9")
self.assertFalse(is_invalid, _ % (op.basename(self.path),
font_metadata.weight))
tf = Font.get_ttfont_from_metadata(self.path, font_metadata)
_ = ("%s: METADATA.json overwrites the weight. "
" The METADATA.json weight is %d and the font"
" file %s weight is %d")
_ = _ % (font_metadata.filename, font_metadata.weight,
font_metadata.filename, tf.OS2_usWeightClass)
self.assertEqual(tf.OS2_usWeightClass, font_metadata.weight)
def test_metadata_contains_current_font(self):
""" METADATA.json should contains testing font, under canonic name"""
contents = self.read_metadata_contents()
fm = Metadata.get_family_metadata(contents)
for font_metadata in fm.fonts:
font = Font.get_ttfont_from_metadata(self.path, font_metadata)
_weights = []
for value, intvalue in weights.items():
if intvalue == font.OS2_usWeightClass:
_weights.append(value)
for w in _weights:
current_font = "%s %s" % (font.familyname, w)
if font_metadata.full_name != current_font:
is_canonical = True
if not is_canonical:
v = map(lambda x: font.familyname + ' ' + x, _weights)
msg = 'Canonical name in font expected: [%s] but %s'
self.fail(msg % (v, font_metadata.full_name))
def test_metadata_postScriptName_matches_ttf_fontname(self):
""" Checks METADATA.json 'postScriptName' matches TTF 'postScriptName' """
for font_metadata in self.metadata.fonts:
font = Font.get_ttfont_from_metadata(self.path, font_metadata)
self.assertEqual(font.post_script_name,
font_metadata.post_script_name)
def test_metadata_fullname_is_equal_to_internal_font_fullname(self):
""" METADATA.json 'fullname' value matches internal 'fullname' """
for font_metadata in self.metadata.fonts:
font = Font.get_ttfont_from_metadata(self.path, font_metadata)
self.assertEqual(font.fullname, font_metadata.full_name)
def is_italic(self, font_metadata):
ttfont = Font.get_ttfont_from_metadata(self.path, font_metadata)
return (ttfont.macStyle & self.ITALIC_MASK
or ttfont.italicAngle
or self.find_italic_in_name_table(ttfont))