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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 pytest
from telegram import LinkPreviewOptions
from tests.auxil.slots import mro_slots
@pytest.fixture(scope="module")
def link_preview_options():
return LinkPreviewOptions(
is_disabled=LinkPreviewOptionsTestBase.is_disabled,
url=LinkPreviewOptionsTestBase.url,
prefer_small_media=LinkPreviewOptionsTestBase.prefer_small_media,
prefer_large_media=LinkPreviewOptionsTestBase.prefer_large_media,
show_above_text=LinkPreviewOptionsTestBase.show_above_text,
)
class LinkPreviewOptionsTestBase:
is_disabled = True
url = "https://www.example.com"
prefer_small_media = True
prefer_large_media = False
show_above_text = True
class TestLinkPreviewOptionsWithoutRequest(LinkPreviewOptionsTestBase):
def test_slot_behaviour(self, link_preview_options):
a = link_preview_options
for attr in a.__slots__:
assert getattr(a, attr, "err") != "err", f"got extra slot '{attr}'"
assert len(mro_slots(a)) == len(set(mro_slots(a))), "duplicate slot"
def test_to_dict(self, link_preview_options):
link_preview_options_dict = link_preview_options.to_dict()
assert isinstance(link_preview_options_dict, dict)
assert link_preview_options_dict["is_disabled"] == self.is_disabled
assert link_preview_options_dict["url"] == self.url
assert link_preview_options_dict["prefer_small_media"] == self.prefer_small_media
assert link_preview_options_dict["prefer_large_media"] == self.prefer_large_media
assert link_preview_options_dict["show_above_text"] == self.show_above_text
def test_de_json(self, link_preview_options):
link_preview_options_dict = {
"is_disabled": self.is_disabled,
"url": self.url,
"prefer_small_media": self.prefer_small_media,
"prefer_large_media": self.prefer_large_media,
"show_above_text": self.show_above_text,
}
link_preview_options = LinkPreviewOptions.de_json(link_preview_options_dict, bot=None)
assert link_preview_options.api_kwargs == {}
assert link_preview_options.is_disabled == self.is_disabled
assert link_preview_options.url == self.url
assert link_preview_options.prefer_small_media == self.prefer_small_media
assert link_preview_options.prefer_large_media == self.prefer_large_media
assert link_preview_options.show_above_text == self.show_above_text
def test_equality(self):
a = LinkPreviewOptions(
self.is_disabled,
self.url,
self.prefer_small_media,
self.prefer_large_media,
self.show_above_text,
)
b = LinkPreviewOptions(
self.is_disabled,
self.url,
self.prefer_small_media,
self.prefer_large_media,
self.show_above_text,
)
c = LinkPreviewOptions(self.is_disabled)
d = LinkPreviewOptions(
False, self.url, self.prefer_small_media, self.prefer_large_media, self.show_above_text
)
assert a == b
assert hash(a) == hash(b)
assert a != c
assert hash(a) != hash(c)
assert a != d
assert hash(a) != hash(d)
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