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#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2025
# Leandro Toledo de Souza <devs@python-telegram-bot.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser Public License for more details.
#
# You should have received a copy of the GNU Lesser Public License
# along with this program. If not, see [http://www.gnu.org/licenses/].
import random
import pytest
from telegram import MessageEntity, User
from telegram.constants import MessageEntityType
from tests.auxil.slots import mro_slots
@pytest.fixture(scope="module", params=MessageEntity.ALL_TYPES)
def message_entity(request):
type_ = request.param
url = None
if type_ == MessageEntity.TEXT_LINK:
url = "t.me"
user = None
if type_ == MessageEntity.TEXT_MENTION:
user = User(1, "test_user", False)
language = None
if type_ == MessageEntity.PRE:
language = "python"
return MessageEntity(type_, 1, 3, url=url, user=user, language=language)
class MessageEntityTestBase:
type_ = "url"
offset = 1
length = 2
url = "url"
class TestMessageEntityWithoutRequest(MessageEntityTestBase):
def test_slot_behaviour(self, message_entity):
inst = message_entity
for attr in inst.__slots__:
assert getattr(inst, attr, "err") != "err", f"got extra slot '{attr}'"
assert len(mro_slots(inst)) == len(set(mro_slots(inst))), "duplicate slot"
def test_de_json(self, offline_bot):
json_dict = {"type": self.type_, "offset": self.offset, "length": self.length}
entity = MessageEntity.de_json(json_dict, offline_bot)
assert entity.api_kwargs == {}
assert entity.type == self.type_
assert entity.offset == self.offset
assert entity.length == self.length
def test_to_dict(self, message_entity):
entity_dict = message_entity.to_dict()
assert isinstance(entity_dict, dict)
assert entity_dict["type"] == message_entity.type
assert entity_dict["offset"] == message_entity.offset
assert entity_dict["length"] == message_entity.length
if message_entity.url:
assert entity_dict["url"] == message_entity.url
if message_entity.user:
assert entity_dict["user"] == message_entity.user.to_dict()
if message_entity.language:
assert entity_dict["language"] == message_entity.language
def test_enum_init(self):
entity = MessageEntity(type="foo", offset=0, length=1)
assert entity.type == "foo"
entity = MessageEntity(type="url", offset=0, length=1)
assert entity.type is MessageEntityType.URL
def test_fix_utf16(self):
text = "𠌕 bold 𝄢 italic underlined: 𝛙𝌢𑁍"
inputs_outputs: list[tuple[tuple[int, int, str], tuple[int, int]]] = [
((2, 4, MessageEntity.BOLD), (3, 4)),
((9, 6, MessageEntity.ITALIC), (11, 6)),
((28, 3, MessageEntity.UNDERLINE), (30, 6)),
]
random.shuffle(inputs_outputs)
unicode_entities = [
MessageEntity(offset=_input[0], length=_input[1], type=_input[2])
for _input, _ in inputs_outputs
]
utf_16_entities = MessageEntity.adjust_message_entities_to_utf_16(text, unicode_entities)
for out_entity, input_output in zip(utf_16_entities, inputs_outputs):
_, output = input_output
offset, length = output
assert out_entity.offset == offset
assert out_entity.length == length
@pytest.mark.parametrize("by", [6, "prefix", "𝛙𝌢𑁍"])
def test_shift_entities(self, by):
kwargs = {
"url": "url",
"user": 42,
"language": "python",
"custom_emoji_id": "custom_emoji_id",
}
entities = [
MessageEntity(MessageEntity.BOLD, 2, 3, **kwargs),
MessageEntity(MessageEntity.BOLD, 5, 6, **kwargs),
]
shifted = MessageEntity.shift_entities(by, entities)
assert shifted[0].offset == 8
assert shifted[1].offset == 11
assert shifted[0] is not entities[0]
assert shifted[1] is not entities[1]
for entity in shifted:
for key, value in kwargs.items():
assert getattr(entity, key) == value
def test_concatenate(self):
kwargs = {
"url": "url",
"user": 42,
"language": "python",
"custom_emoji_id": "custom_emoji_id",
}
first_entity = MessageEntity(MessageEntity.BOLD, 0, 6, **kwargs)
second_entity = MessageEntity(MessageEntity.ITALIC, 0, 4, **kwargs)
third_entity = MessageEntity(MessageEntity.UNDERLINE, 3, 6, **kwargs)
first = ("prefix 𝛙𝌢𑁍 | ", [first_entity], True)
second = ("text 𝛙𝌢𑁍", [second_entity], False)
third = (" | suffix 𝛙𝌢𑁍", [third_entity])
new_text, new_entities = MessageEntity.concatenate(first, second, third)
assert new_text == "prefix 𝛙𝌢𑁍 | text 𝛙𝌢𑁍 | suffix 𝛙𝌢𑁍"
assert [entity.offset for entity in new_entities] == [0, 16, 30]
for old, new in zip([first_entity, second_entity, third_entity], new_entities):
assert new is not old
assert new.type == old.type
for key, value in kwargs.items():
assert getattr(new, key) == value
def test_equality(self):
a = MessageEntity(MessageEntity.BOLD, 2, 3)
b = MessageEntity(MessageEntity.BOLD, 2, 3)
c = MessageEntity(MessageEntity.CODE, 2, 3)
d = MessageEntity(MessageEntity.CODE, 5, 6)
assert a == b
assert hash(a) == hash(b)
assert a is not b
assert a != c
assert hash(a) != hash(c)
assert a != d
assert hash(a) != hash(d)
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