test(hardware): replace pytest-aiohttp with pytest-asyncio

hardware/Pipfile

@@ -13,7 +13,6 @@ pydantic = "==1.8.2"
 [dev-packages]
 pytest = "==6.1.0"
 pytest-lazy-fixture = "==0.6.3"
-pytest-aiohttp = "==0.3.0"
 pytest-cov = "==2.10.1"
 mypy = "==0.910"
 black = "==22.3.0"
@@ -24,6 +23,7 @@ flake8-noqa = "~=1.2.1"
 mock = "~=4.0.2"
 types-mock = "==4.0.1"
 hypothesis = "~=6.36.1"
+pytest-asyncio = "~=0.18"
 
 [requires]
 python_version = "3.7"

hardware/pytest.ini

@@ -3,4 +3,5 @@ addopts = --color=yes
 markers =
 	slow: mark test as slow
 	requires_emulator: mark test as requiring emulator
-	can_filter_func: can message filtering function
+	can_filter_func: can message filtering function
+asyncio_mode = auto

hardware/tests/firmware_integration/conftest.py

@@ -1,7 +1,6 @@
 """Common fixtures for integration tests."""
 from __future__ import annotations
 import pytest
-import asyncio
 from typing import AsyncGenerator, Iterator, AsyncIterator, List, Dict
 
 from _pytest.fixtures import FixtureRequest
@@ -14,9 +13,7 @@
 
 
 @pytest.fixture
-async def driver(
-    loop: asyncio.BaseEventLoop,
-) -> AsyncGenerator[AbstractCanDriver, None]:
+async def driver() -> AsyncGenerator[AbstractCanDriver, None]:
     """Create CanDriver connected to OT-3 Emulator."""
     settings = DriverSettings()
     driver = await build_driver(settings)

hardware/tests/firmware_integration/test_attached_tools.py

@@ -23,7 +23,6 @@ def filter_func(arb: ArbitrationId) -> bool:
 @pytest.mark.requires_emulator
 @pytest.mark.can_filter_func.with_args(filter_func)
 async def test_attached_tools_request(
-    loop: asyncio.BaseEventLoop,
     can_messenger: CanMessenger,
     can_messenger_queue: WaitableCallback,
 ) -> None:

hardware/tests/firmware_integration/test_device_info.py

@@ -23,7 +23,6 @@ def filter_func(arb: ArbitrationId) -> bool:
 @pytest.mark.requires_emulator
 @pytest.mark.can_filter_func.with_args(filter_func)
 async def test_broadcast(
-    loop: asyncio.BaseEventLoop,
     can_messenger: CanMessenger,
     can_messenger_queue: WaitableCallback,
 ) -> None:
@@ -44,14 +43,13 @@ async def _check() -> None:
             if arbitration_id.parts.originating_node_id in nodes:
                 nodes.remove(arbitration_id.parts.originating_node_id)
 
-    t = loop.create_task(_check())
+    t = asyncio.get_running_loop().create_task(_check())
     await asyncio.wait_for(t, 1)
 
 
 @pytest.mark.requires_emulator
 @pytest.mark.can_filter_func.with_args(filter_func)
 async def test_each_node(
-    loop: asyncio.BaseEventLoop,
     can_messenger: CanMessenger,
     can_messenger_queue: WaitableCallback,
     subsystem_node_id: NodeId,

hardware/tests/firmware_integration/test_eeprom.py

@@ -25,7 +25,6 @@ def filter_func(arb: ArbitrationId) -> bool:
 @pytest.mark.requires_emulator
 @pytest.mark.can_filter_func.with_args(filter_func)
 async def test_read_write(
-    loop: asyncio.BaseEventLoop,
     can_messenger: CanMessenger,
     can_messenger_queue: WaitableCallback,
 ) -> None:

hardware/tests/firmware_integration/test_motion_constraints.py

@@ -24,7 +24,6 @@ def filter_func(arb: ArbitrationId) -> bool:
 @pytest.mark.requires_emulator
 @pytest.mark.can_filter_func.with_args(filter_func)
 async def test_each_node(
-    loop: asyncio.BaseEventLoop,
     can_messenger: CanMessenger,
     can_messenger_queue: WaitableCallback,
     motor_node_id: NodeId,

hardware/tests/firmware_integration/test_motor_driver.py

@@ -25,7 +25,6 @@ def filter_func(arb: ArbitrationId) -> bool:
 @pytest.mark.requires_emulator
 @pytest.mark.can_filter_func.with_args(filter_func)
 async def test_read_write(
-    loop: asyncio.BaseEventLoop,
     can_messenger: CanMessenger,
     can_messenger_queue: WaitableCallback,
     motor_node_id: NodeId,

hardware/tests/firmware_integration/test_move_groups.py

@@ -43,7 +43,6 @@ def filter_func(arb: ArbitrationId) -> bool:
 @pytest.mark.requires_emulator
 @pytest.mark.can_filter_func.with_args(filter_func)
 async def test_add_moves(
-    loop: asyncio.BaseEventLoop,
     can_messenger: CanMessenger,
     can_messenger_queue: WaitableCallback,
     motor_node_id: NodeId,
@@ -87,7 +86,6 @@ async def test_add_moves(
 
 @pytest.mark.requires_emulator
 async def test_move_integration(
-    loop: asyncio.BaseEventLoop,
     can_messenger: CanMessenger,
     can_messenger_queue: WaitableCallback,
     all_motor_nodes: List[NodeId],

hardware/tests/opentrons_hardware/drivers/can_bus/test_can_messenger.py

@@ -35,7 +35,7 @@
 
 
 @pytest.fixture
-async def incoming_messages(loop: asyncio.AbstractEventLoop) -> Queue[CanMessage]:
+async def incoming_messages() -> Queue[CanMessage]:
     """Incoming message queue."""
     return asyncio.Queue()
 

hardware/tests/opentrons_hardware/drivers/can_bus/test_driver.py

@@ -1,5 +1,4 @@
 """Can Driver tests."""
-import asyncio
 from typing import AsyncGenerator
 
 import pytest
@@ -24,9 +23,7 @@ def can_bus(bus_channel: str) -> Bus:
 
 
 @pytest.fixture
-async def subject(
-    loop: asyncio.BaseEventLoop, bus_channel: str
-) -> AsyncGenerator[CanDriver, None]:
+async def subject(bus_channel: str) -> AsyncGenerator[CanDriver, None]:
     """The can driver under test."""
     driver = await CanDriver.build(channel=bus_channel, interface="virtual", bitrate=0)
     yield driver