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Commit f874a194 authored by Doug Felt's avatar Doug Felt Committed by Raph Levien
Browse files

Patch out part of the emoji tests. 

This is temporary, until we have proper attribution for additional
emoji data.

Bug: 29939737
Change-Id: I5b97c8e055fa2ccf44b13bf801f681b860d47286
parent b25c0d97

tools/fonts/fontchain_lint.py

+35 −5
Original line number Diff line number Diff line
@@ -256,23 +256,33 @@ def parse_fonts_xml(fonts_xml_path): 




def check_emoji_coverage(all_emoji, equivalent_emoji):

  emoji_font = get_emoji_font()

  check_emoji_font_coverage(emoji_font, all_emoji, equivalent_emoji)





def get_emoji_font():

    emoji_fonts = [

        record.font for record in _fallback_chain

        if 'Zsye' in record.scripts]

    assert len(emoji_fonts) == 1, 'There are %d emoji fonts.' % len(emoji_fonts)

    emoji_font = emoji_fonts[0]

    coverage = get_emoji_map(emoji_font)

    return emoji_fonts[0]





def check_emoji_font_coverage(emoji_font, all_emoji, equivalent_emoji):

    coverage = get_emoji_map(emoji_font)

    for sequence in all_emoji:

        assert sequence in coverage, (

            '%s is not supported in the emoji font.' % printable(sequence))



    # disable temporarily - we cover more than this

    """

    for sequence in coverage:

        if sequence in {0x0000, 0x000D, 0x0020}:

            # The font needs to support a few extra characters, which is OK

            continue

        assert sequence in all_emoji, (

            'Emoji font should not support %s.' % printable(sequence))

    """



    for first, second in sorted(equivalent_emoji.items()):

        assert coverage[first] == coverage[second], (
@@ -280,6 +290,8 @@ def check_emoji_coverage(all_emoji, equivalent_emoji): 
                printable(first),

                printable(second)))



    # disable temporarily - some equivalent sequences we don't even know about

    """

    for glyph in set(coverage.values()):

        maps_to_glyph = [seq for seq in coverage if coverage[seq] == glyph]

        if len(maps_to_glyph) > 1:
@@ -295,7 +307,7 @@ def check_emoji_coverage(all_emoji, equivalent_emoji): 
                'The sequences %s should not result in the same glyph %s' % (

                    printable(equivalent_seqs),

                    glyph))



    """



def check_emoji_defaults(default_emoji):

    missing_text_chars = _emoji_properties['Emoji'] - default_emoji
@@ -412,6 +424,11 @@ def parse_ucd(ucd_path): 
        path.join(ucd_path, 'emoji-zwj-sequences.txt'))





    # add in UN flag

    UN_seq = flag_sequence('UN')

    _emoji_sequences[UN_seq] = 'Emoji_Flag_Sequence'





def flag_sequence(territory_code):

    return tuple(0x1F1E6 + ord(ch) - ord('A') for ch in territory_code)
@@ -468,6 +485,11 @@ ZWJ_IDENTICALS = { 
    (0x1F468, 0x200D, 0x1F469, 0x200D, 0x1F466): 0x1F46A,

}





def is_fitzpatrick_modifier(cp):

  return 0x1f3fb <= cp <= 0x1f3ff





def compute_expected_emoji():

    equivalent_emoji = {}

    sequence_pieces = set()
@@ -485,7 +507,15 @@ def compute_expected_emoji(): 
        sequence_pieces.update(sequence)

        # Add reverse of all emoji ZWJ sequences, which are added to the fonts

        # as a workaround to get the sequences work in RTL text.

        reversed_seq = tuple(reversed(sequence))

        reversed_seq = list(reversed(sequence))

        # if there are fitzpatrick modifiers in the sequence, keep them after

        # the emoji they modify

        for i in xrange(1, len(reversed_seq)):

          if is_fitzpatrick_modifier(reversed_seq[i - 1]):

            tmp = reversed_seq[i]

            reversed_seq[i] = reversed_seq[i-1]

            reversed_seq[i-1] = tmp

        reversed_seq = tuple(reversed_seq)

        all_sequences.add(reversed_seq)

        equivalent_emoji[reversed_seq] = sequence
@@ -521,8 +551,8 @@ def compute_expected_emoji(): 




def main():

    target_out = sys.argv[1]

    global _fonts_dir

    target_out = sys.argv[1]

    _fonts_dir = path.join(target_out, 'fonts')



    fonts_xml_path = path.join(target_out, 'etc', 'fonts.xml')