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"""Tests for emoji that consist of multiple emoji joined with a u200D (ZWJ - zero width joiner)
This file contains tests when the ZWJ is removed by demojize/replace_emoji.
See test_zwj_keep.py for tests when the ZWJ is kept.
"""
from typing import Any, Dict
import emoji
def ascii(s: str) -> str:
# return escaped Code points \U000AB123
return s.encode('unicode-escape').decode()
def test_non_rgi_zwj_demojize():
# These emoji are non-RGI ZWJ sequences. They should be decoded by demojize to their constituents.
# They cannot be reversed with emojize(demojize(nonRGI)) because the \u200d is stripped by demojize.
emoji.config.demojize_keep_zwj = False
assert (
emoji.demojize(
'\U0001f468\u200d\U0001f469\U0001f3ff\u200d\U0001f467\U0001f3fb\u200d\U0001f466\U0001f3fe'
)
== ':man::woman_dark_skin_tone::girl_light_skin_tone::boy_medium-dark_skin_tone:'
)
assert (
emoji.demojize(
'\U0001f468\U0001f3ff\u200d\U0001f469\U0001f3ff\u200d\U0001f467\U0001f3fb\u200d\U0001f466\U0001f3fe'
)
== ':man_dark_skin_tone::woman_dark_skin_tone::girl_light_skin_tone::boy_medium-dark_skin_tone:'
)
assert (
emoji.demojize(
'\U0001f468\U0001f3ff\u200d\U0001f469\u200d\U0001f467\U0001f3fb\u200d\U0001f466'
)
== ':man_dark_skin_tone::family_woman_girl::light_skin_tone::boy:'
)
# https://www.unicode.org/Public/15.0.0/ucd/auxiliary/GraphemeBreakTest-15.0.0d1.html#s19
assert (
emoji.demojize('\U0001f3ff\U0001f476\u200d\U0001f6d1')
== ':dark_skin_tone::baby::stop_sign:'
)
# https://www.unicode.org/Public/15.0.0/ucd/auxiliary/GraphemeBreakTest-15.0.0d1.html#s20
# Check that \u200d is kept, if it not part of a valid ZWJ emoji
assert (
emoji.demojize('\U0001f476\U0001f3ff\u0308\u200d\U0001f476\U0001f3ff')
== ':baby_dark_skin_tone:\u0308\u200d:baby_dark_skin_tone:'
)
def test_malformed_zwj_demojize():
# These sequences are malformed in the sense that they are neither RGI nor non-RGI ZWJ sequences
# Check that still all the emoji are decoded
emoji.config.demojize_keep_zwj = False
result = emoji.demojize(
'\U0001f468\u200d\U0001f3ff\u200d\U0001f467\U0001f3fb\u200d\U0001f466\U0001f3fe'
)
assert '\U0001f468' not in result
assert '\U0001f3ff' not in result
assert '\U0001f467\U0001f3fb' not in result
assert '\U0001f466\U0001f3fe' not in result
result = emoji.demojize(
'\U0001f3ff\u200d\U0001f468\u200d\U0001f467\U0001f3fb\u200d\U0001f466\U0001f3fe'
)
assert '\U0001f468' not in result
assert '\U0001f3ff' not in result
assert '\U0001f467\U0001f3fb' not in result
assert '\U0001f466\U0001f3fe' not in result
# Mix of emoji and other characters
# Check that still all the emoji are decoded
result = emoji.demojize(
'\U0001f468\U0001f3ff\u200dabcd\u200d\U0001f467\U0001f3fb\u200d\U0001f466\U0001f3fe'
)
assert '\U0001f468\U0001f3ff' not in result
assert '\U0001f467\U0001f3fb' not in result
assert '\U0001f466\U0001f3fe' not in result
assert ':man_dark_skin_tone:' in result
assert 'abcd' in result
assert ':girl_light_skin_tone:' in result
assert ':boy_medium-dark_skin_tone:' in result
result = emoji.demojize(
'W\u200d\U0001f469\U0001f3ff\u200d\U0001f467\U0001f3fb\u200d\U0001f466\U0001f3fe'
)
assert '\U0001f469\U0001f3ff' not in result
assert '\U0001f467\U0001f3fb' not in result
assert '\U0001f466\U0001f3fe' not in result
assert result.startswith('W')
assert ':woman_dark_skin_tone:' in result
assert ':girl_light_skin_tone:' in result
assert ':boy_medium-dark_skin_tone:' in result
result = emoji.demojize('\U0001f9d1\U0001f3fe\u200d\u200d\U0001f393')
assert '\U0001f9d1\U0001f3fe' not in result
assert '\U0001f393' not in result
assert ':person_medium-dark_skin_tone:' in result
assert ':graduation_cap:' in result
def test_non_rgi_zwj_replace():
emoji.config.replace_emoji_keep_zwj = False
assert (
emoji.replace_emoji(
'\U0001f468\u200d\U0001f469\U0001f3ff\u200d\U0001f467\U0001f3fb\u200d\U0001f466\U0001f3fe',
'',
)
== ''
)
assert (
emoji.replace_emoji(
'\U0001f468\u200d\U0001f469\U0001f3ff\u200d\U0001f467\U0001f3fb\u200d\U0001f466\U0001f3fe',
'X',
)
== 'XXXX'
)
assert (
emoji.replace_emoji(
'\U0001f468\U0001f3ff\u200d\U0001f469\U0001f3ff\u200d\U0001f467\U0001f3fb\u200d\U0001f466\U0001f3fe',
'',
)
== ''
)
assert (
emoji.replace_emoji(
'\U0001f468\U0001f3ff\u200d\U0001f469\U0001f3ff\u200d\U0001f467\U0001f3fb\u200d\U0001f466\U0001f3fe',
'X',
)
== 'XXXX'
)
assert (
emoji.replace_emoji(
'\U0001f468\U0001f3ff\u200d\U0001f469\u200d\U0001f467\U0001f3fb\u200d\U0001f466',
'',
)
== ''
)
assert (
emoji.replace_emoji(
'\U0001f468\U0001f3ff\u200d\U0001f469\u200d\U0001f467\U0001f3fb\u200d\U0001f466',
'X',
)
== 'XXXX'
)
# https://www.unicode.org/Public/15.0.0/ucd/auxiliary/GraphemeBreakTest-15.0.0d1.html#s19
assert (
emoji.replace_emoji('\U0001f3ff\U0001f476\u200d\U0001f6d1', 'Test8')
== 'Test8Test8Test8'
)
# https://www.unicode.org/Public/15.0.0/ucd/auxiliary/GraphemeBreakTest-15.0.0d1.html#s20
# Check that \u200d is kept, if it not part of a valid ZWJ emoji
assert (
emoji.replace_emoji(
'\U0001f476\U0001f3ff\u0308\u200d\U0001f476\U0001f3ff', 'Test9'
)
== 'Test9\u0308\u200dTest9'
)
# Replace with different length
index = [0]
def replace_f(e: str, emoji_data: Dict[str, Any]) -> str:
index[0] += 1
if index[0] % 2 == 0:
return 'X'
else:
return 'yyy'
assert (
emoji.replace_emoji(
'\U0001f468\u200d\U0001f469\U0001f3ff\u200d\U0001f467\U0001f3fb\u200d\U0001f466\U0001f3fe',
replace_f,
)
== 'yyyXyyyX'
)
|
