def test_diff_attribs_scale(self):
font_a = mock_font()
font_a.builder.setupHead(unitsPerEm=1000)
font_a.builder.setupOS2(sTypoAscender=1000)
font_a.recalc_tables()
font_b = mock_font()
font_b.builder.setupHead(unitsPerEm=2000)
font_b.builder.setupOS2(sTypoAscender=2000)
font_b.recalc_tables()
diff = diff_attribs(font_a, font_b)
modified = diff['modified']._data
self.assertEqual(len(modified), 1) # Only upm should be reported
def test_upm_scale_ignore(self):
font_a = mock_font()
font_a.builder.setupHead(unitsPerEm=1000)
font_a.builder.setupOS2(fsSelection=32)
font_a.recalc_tables()
font_b = mock_font()
font_b.builder.setupHead(unitsPerEm=2000)
font_b.builder.setupOS2(fsSelection=32)
font_b.recalc_tables()
diff = diff_attribs(font_a, font_b)
modified = diff['modified']._data
self.assertEqual(len(modified), 1) # only upm is returned
def test_diff_attribs(self):
font_a = mock_font()
font_a.builder.setupOS2(sTypoAscender=800)
font_a.recalc_tables()
font_b = mock_font()
font_b.builder.setupOS2(sTypoAscender=1000)
font_b.recalc_tables()
diff = diff_attribs(font_a, font_b)
modified = diff['modified']._data
self.assertNotEqual(modified, [])
self.assertEqual(len(modified), 1)