How to use the emoji.unicode_codes.EMOJI_ALIAS_UNICODE function in emoji

width = 20

        # Mix of colors and emoji with a color fill
        lyr_color_pairs = [(poly, ':+1:'), (lines, 'blue'), (points, 'red')]
        actual = gj2ascii.style_multiple(
            lyr_color_pairs, fill='yellow', width=width, bbox=bbox)
        assert emoji.unicode_codes.EMOJI_ALIAS_UNICODE[':+1:'] in actual
        assert '\x1b[34m\x1b[44m' in actual  # blue
        assert '\x1b[31m\x1b[41m' in actual  # red
        assert '\x1b[33m\x1b[43m' in actual  # yellow

        # Same as above but single character fill
        lyr_color_pairs = [(poly, ':+1:'), (lines, 'blue'), (points, 'red')]
        actual = gj2ascii.style_multiple(
            lyr_color_pairs, fill='.', width=width, bbox=bbox)
        assert emoji.unicode_codes.EMOJI_ALIAS_UNICODE[':+1:'] in actual
        assert '\x1b[34m\x1b[44m' in actual  # blue
        assert '\x1b[31m\x1b[41m' in actual  # red
        assert '.' in actual

        # Same as above but emoji fill
        lyr_color_pairs = [(poly, ':+1:'), (lines, 'blue'), (points, 'red')]
        actual = gj2ascii.style_multiple(
            lyr_color_pairs, fill=':water_wave:', width=width, bbox=bbox)
        assert emoji.unicode_codes.EMOJI_ALIAS_UNICODE[':+1:'] in actual
        assert '\x1b[34m\x1b[44m' in actual  # blue
        assert '\x1b[31m\x1b[41m' in actual  # red
        assert emoji.unicode_codes.EMOJI_ALIAS_UNICODE[':water_wave:'] in actual

def test_with_emoji():
    result = CliRunner().invoke(cli.main, [
        POLY_FILE,
        LINE_FILE,
        '-c', ':water_wave:',
        '-c', ':+1:'
    ])
    assert result.exit_code is 0
    for c in (':water_wave:', ':+1:'):
        ucode = emoji.unicode_codes.EMOJI_ALIAS_UNICODE[c]
        assert ucode in result.output

def replace(match):
        mg = match.group(1).replace(delimiters[0], _DEFAULT_DELIMITER).replace(delimiters[1], _DEFAULT_DELIMITER)
        if use_aliases:
            return unicode_codes.EMOJI_ALIAS_UNICODE.get(mg, mg)
        else:
            return unicode_codes.EMOJI_UNICODE.get(mg, mg)

def emoji(data):
    if not data.startswith(':'):
        data = ':' + data

    if not data.endswith(':'):
        data += ':'

    if data in EMOJI_ALIAS_UNICODE.values():
        return data

    if data not in EMOJI_ALIAS_UNICODE.keys():
        raise ValueError(u'Unknown emoji {}'.format(data))

    return EMOJI_ALIAS_UNICODE[data]

def emoji(data):
    if not data.startswith(':'):
        data = ':' + data

    if not data.endswith(':'):
        data += ':'

    if data in EMOJI_ALIAS_UNICODE.values():
        return data

    if data not in EMOJI_ALIAS_UNICODE.keys():
        raise ValueError(u'Unknown emoji {}'.format(data))

    return EMOJI_ALIAS_UNICODE[data]