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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 contextlib
import subprocess
import sys
from io import BufferedReader, BytesIO
import pytest
from telegram import InputFile
from telegram._utils.strings import TextEncoding
from tests.auxil.files import data_file
from tests.auxil.slots import mro_slots
@pytest.fixture(scope="module")
def png_file():
return data_file("game.png")
class TestInputFileWithoutRequest:
def test_slot_behaviour(self):
inst = InputFile(BytesIO(b"blah"), filename="tg.jpg")
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_subprocess_pipe(self, png_file):
cmd_str = "type" if sys.platform == "win32" else "cat"
cmd = [cmd_str, str(png_file)]
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=(sys.platform == "win32"))
in_file = InputFile(proc.stdout)
assert in_file.input_file_content == png_file.read_bytes()
assert in_file.mimetype == "application/octet-stream"
assert in_file.filename == "application.octet-stream"
with contextlib.suppress(ProcessLookupError):
proc.kill()
# This exception may be thrown if the process has finished before we had the chance
# to kill it.
@pytest.mark.parametrize("attach", [True, False])
def test_attach(self, attach):
input_file = InputFile("contents", attach=attach)
if attach:
assert isinstance(input_file.attach_name, str)
assert input_file.attach_uri == f"attach://{input_file.attach_name}"
else:
assert input_file.attach_name is None
assert input_file.attach_uri is None
@pytest.mark.parametrize("read_file_handle", [True, False])
def test_mimetypes_file_handle(self, read_file_handle):
# Only test a few to make sure logic works okay
assert (
InputFile(
data_file("telegram.jpg").open("rb"), read_file_handle=read_file_handle
).mimetype
== "image/jpeg"
)
# For some reason python can guess the type on macOS
assert InputFile(
data_file("telegram.webp").open("rb"), read_file_handle=read_file_handle
).mimetype in [
"application/octet-stream",
"image/webp",
]
assert (
InputFile(
data_file("telegram.mp3").open("rb"), read_file_handle=read_file_handle
).mimetype
== "audio/mpeg"
)
# For some reason windows drops the trailing i
assert InputFile(
data_file("telegram.midi").open("rb"), read_file_handle=read_file_handle
).mimetype in [
"audio/mid",
"audio/midi",
]
# Test string file
assert (
InputFile(
data_file("text_file.txt").open("rb"), read_file_handle=read_file_handle
).mimetype
== "text/plain"
)
def test_mimetypes_other(self):
# Test guess from file
assert InputFile(BytesIO(b"blah"), filename="tg.jpg").mimetype == "image/jpeg"
assert InputFile(BytesIO(b"blah"), filename="tg.mp3").mimetype == "audio/mpeg"
# Test fallback
assert (
InputFile(BytesIO(b"blah"), filename="tg.notaproperext").mimetype
== "application/octet-stream"
)
assert InputFile(BytesIO(b"blah")).mimetype == "application/octet-stream"
@pytest.mark.parametrize("read_file_handle", [True, False])
def test_filenames(self, read_file_handle):
assert (
InputFile(
data_file("telegram.jpg").open("rb"), read_file_handle=read_file_handle
).filename
== "telegram.jpg"
)
assert (
InputFile(
data_file("telegram.jpg").open("rb"),
filename="blah",
read_file_handle=read_file_handle,
).filename
== "blah"
)
assert (
InputFile(
data_file("telegram.jpg").open("rb"),
filename="blah.jpg",
read_file_handle=read_file_handle,
).filename
== "blah.jpg"
)
assert (
InputFile(data_file("telegram").open("rb"), read_file_handle=read_file_handle).filename
== "telegram"
)
assert (
InputFile(
data_file("telegram").open("rb"),
filename="blah",
read_file_handle=read_file_handle,
).filename
== "blah"
)
assert (
InputFile(
data_file("telegram").open("rb"),
filename="blah.jpg",
read_file_handle=read_file_handle,
).filename
== "blah.jpg"
)
class MockedFileobject:
# A open(?, 'rb') without a .name
def __init__(self, f):
self.f = f.open("rb")
def read(self):
return self.f.read()
assert (
InputFile(MockedFileobject(data_file("telegram.jpg"))).filename
== "application.octet-stream"
)
assert (
InputFile(MockedFileobject(data_file("telegram.jpg")), filename="blah").filename
== "blah"
)
assert (
InputFile(MockedFileobject(data_file("telegram.jpg")), filename="blah.jpg").filename
== "blah.jpg"
)
assert (
InputFile(MockedFileobject(data_file("telegram"))).filename
== "application.octet-stream"
)
assert (
InputFile(MockedFileobject(data_file("telegram")), filename="blah").filename == "blah"
)
assert (
InputFile(MockedFileobject(data_file("telegram")), filename="blah.jpg").filename
== "blah.jpg"
)
@pytest.mark.parametrize("read_file_handle", [True, False])
def test_read_file_handle(self, read_file_handle):
input_file = InputFile(
data_file("telegram.jpg").open("rb"), read_file_handle=read_file_handle
)
content = input_file.field_tuple[1]
if read_file_handle:
assert isinstance(content, bytes)
assert content == data_file("telegram.jpg").read_bytes()
else:
assert isinstance(content, BufferedReader)
assert content.read() == data_file("telegram.jpg").read_bytes()
class TestInputFileWithRequest:
async def test_send_bytes(self, bot, chat_id):
# We test this here and not at the respective test modules because it's not worth
# duplicating the test for the different methods
message = await bot.send_document(chat_id, data_file("text_file.txt").read_bytes())
out = BytesIO()
await (await message.document.get_file()).download_to_memory(out=out)
out.seek(0)
assert out.read().decode(TextEncoding.UTF_8) == "PTB Rocks! ⅞"
async def test_send_string(self, bot, chat_id):
# We test this here and not at the respective test modules because it's not worth
# duplicating the test for the different methods
message = await bot.send_document(
chat_id, InputFile(data_file("text_file.txt").read_text(encoding=TextEncoding.UTF_8))
)
out = BytesIO()
await (await message.document.get_file()).download_to_memory(out=out)
out.seek(0)
assert out.read().decode(TextEncoding.UTF_8) == "PTB Rocks! ⅞"
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