diff --git a/dev_requirements.txt b/dev_requirements.txt
index 93a20597..45b8e229 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -10,3 +10,5 @@ wheel>=0.30.0
 rethinkdb>=2.3.0
 sphinx>=1.6.6
 sphinx-rtd-theme>=0.2.4
+aresponses
+pytest
diff --git a/tests/test_bot.py b/tests/test_bot.py
index 9c0f860d..529fa34b 100644
--- a/tests/test_bot.py
+++ b/tests/test_bot.py
@@ -1,4 +1,65 @@
-import aiogram
+import aresponses
+import pytest
 
-# bot = aiogram.Bot('123456789:AABBCCDDEEFFaabbccddeeff-1234567890')
-# TODO: mock for aiogram.bot.api.request and then test all AI methods.
+from aiogram import Bot, types
+
+TOKEN = '123456789:AABBCCDDEEFFaabbccddeeff-1234567890'
+
+
+@pytest.yield_fixture()
+@pytest.mark.asyncio
+async def bot(event_loop):
+    """ Bot fixture """
+    _bot = Bot(TOKEN, loop=event_loop)
+    yield _bot
+    await _bot.close()
+
+
+@pytest.mark.asyncio
+async def test_get_bot(bot, event_loop):
+    """ GetMe method test """
+    _body = '{"ok":true,"result":{"id":492189143,"is_bot":true,' \
+            '"first_name":"Dev Tester","username":"MiscDevTesterBot"}}'
+    _headers = {'Server': 'nginx/1.12.2',
+                'Date': 'Tue, 03 Apr 2018 16:59:54 GMT',
+                'Content-Type': 'application/json',
+                'Content-Length': str(len(_body)),
+                'Connection': 'keep-alive',
+                'Access-Control-Allow-Origin': '*',
+                'Access-Control-Allow-Methods': 'GET, POST, OPTIONS',
+                'Access-Control-Expose-Headers': 'Content-Length,Content-Type,Date,Server,Connection',
+                'Strict-Transport-Security': 'max-age=31536000; includeSubdomains'}
+    async with aresponses.ResponsesMockServer(loop=event_loop) as server:
+        server.add(server.ANY, response=server.Response(text=_body,
+                                                        status=200,
+                                                        reason='OK',
+                                                        headers=_headers))
+        bot_user = await bot.me
+        assert isinstance(bot_user, types.User)
+
+
+@pytest.mark.asyncio
+async def test_send_message(bot, event_loop):
+    """ SendMessage method test """
+    message_text = 'Test message'
+    chat_id = -1234567890
+    _body = """{"ok":true,"result":{"message_id":74,"from":{"id":492189143,"is_bot":true,"first_name":"Dev Tester",
+    "username":"MiscDevTesterBot"},"chat":{"id":66812456,"first_name":"O","username":"Oleg_Oleg_Oleg","type":"private"},
+    "date":1522774794,"text":"Test message"}}"""
+    _headers = {'Server': 'nginx/1.12.2',
+                'Date': 'Tue, 03 Apr 2018 16:59:54 GMT',
+                'Content-Type': 'application/json',
+                'Content-Length': str(len(_body)),
+                'Connection': 'keep-alive',
+                'Access-Control-Allow-Origin': '*',
+                'Access-Control-Allow-Methods': 'GET, POST, OPTIONS',
+                'Access-Control-Expose-Headers': 'Content-Length,Content-Type,Date,Server,Connection',
+                'Strict-Transport-Security': 'max-age=31536000; includeSubdomains'}
+
+    async with aresponses.ResponsesMockServer(loop=event_loop) as server:
+        server.add(server.ANY, response=server.Response(text=_body,
+                                                        status=200,
+                                                        reason='OK',
+                                                        headers=_headers))
+        msg: types.Message = await bot.send_message(chat_id=chat_id, text=message_text)
+        assert msg.text == message_text