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https://github.com/nonebot/nonebot2.git
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163 lines
4.6 KiB
Markdown
163 lines
4.6 KiB
Markdown
---
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sidebar_position: 4
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description: 测试适配器
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---
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# 测试适配器
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通常来说，测试适配器需要测试这三项。
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1. 测试连接
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2. 测试事件转化
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3. 测试 API 调用
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## 注册适配器
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任何的适配器都需要注册才能起作用。
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我们可以使用 Pytest 的 Fixtures，在测试开始前初始化 NoneBot 并**注册适配器**。
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我们假设适配器为 `nonebot.adapters.test`。
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```python {20,21} title=conftest.py
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from pathlib import Path
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import pytest
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from nonebug import App
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# 如果适配器采用 nonebot.adapters monospace 则需要使用此hook方法正确添加路径
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@pytest.fixture
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def import_hook():
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import nonebot.adapters
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nonebot.adapters.__path__.append( # type: ignore
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str((Path(__file__).parent.parent / "nonebot" / "adapters").resolve())
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)
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@pytest.fixture
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async def init_adapter(app: App, import_hook):
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import nonebot
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from nonebot.adapters.test import Adapter
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driver = nonebot.get_driver()
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driver.register_adapter(Adapter)
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```
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## 测试连接
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任何的适配器的连接方式主要有以下 4 种：
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1. 反向 HTTP（WebHook）
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2. 反向 WebSocket
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3. ~~正向 HTTP（尚未实现）~~
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4. ~~正向 WebSocket（尚未实现）~~
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NoneBug 的 `test_server` 方法可以供我们测试反向连接方式。
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`test_server` 的 `get_client` 方法可以获取 HTTP/WebSocket 客户端。
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我们假设适配器 HTTP 上报地址为 `/test/http`，反向 WebSocket 地址为 `/test/ws`，上报机器人 ID
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使用请求头 `Bot-ID` 来演示如何通过 NoneBug 测试适配器。
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```python {8,16,17,19-22,26,34,36-39} title=test_connection.py
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from pathlib import Path
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import pytest
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from nonebug import App
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@pytest.mark.asyncio
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@pytest.mark.parametrize(
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"endpoints", ["/test/http"]
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)
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async def test_http(app: App, init_adapter, endpoints: str):
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import nonebot
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async with app.test_server() as ctx:
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client = ctx.get_client()
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body = {"post_type": "test"}
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headers = {"Bot-ID": "test"}
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resp = await client.post(endpoints, json=body, headers=headers)
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assert resp.status_code == 204 # 检测状态码是否正确
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bots = nonebot.get_bots()
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assert "test" in bots # 检测是否连接成功
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@pytest.mark.asyncio
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@pytest.mark.parametrize(
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"endpoints", ["/test/ws"]
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)
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async def test_ws(app: App, init_adapter, endpoints: str):
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import nonebot
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async with app.test_server() as ctx:
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client = ctx.get_client()
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headers = {"Bot-ID": "test"}
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async with client.websocket_connect(endpoints, headers=headers) as ws:
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bots = nonebot.get_bots()
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assert "test" in bots # 检测是否连接成功
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```
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## 测试事件转化
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事件转化就是将原始数据反序列化为 `Event` 对象的过程。
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测试事件转化就是测试反序列化是否按照预期转化为对应 `Event` 类型。
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下面将以 `dict_to_event` 作为反序列化方法，`type` 为 `test` 的事件类型为 `TestEvent` 来演示如何测试事件转化。
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```python {8,9} title=test_event.py
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import pytest
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from nonebug import App
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@pytest.mark.asyncio
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async def test_event(app: App, init_adapter):
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from nonebot.adapters.test import Adapter, TestEvent
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event = Adapter.dict_to_event({"post_type": "test"}) # 反序列化原始数据
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assert isinstance(event, TestEvent) # 断言类型是否与预期一致
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```
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## 测试 API 调用
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将消息序列化为原始数据并由适配器发送到协议端叫做 API 调用。
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测试 API 调用就是调用 API 并验证返回与预期返回是否一致。
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```python {16-18,23-32} title=test_call_api.py
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import asyncio
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from pathlib import Path
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import pytest
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from nonebug import App
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@pytest.mark.asyncio
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async def test_ws(app: App, init_adapter):
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import nonebot
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async with app.test_server() as ctx:
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client = ctx.get_client()
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headers = {"Bot-ID": "test"}
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async def call_api():
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bot = nonebot.get_bot("test")
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return await bot.test_api()
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async with client.websocket_connect("/test/ws", headers=headers) as ws:
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task = asyncio.create_task(call_api())
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# received = await ws.receive_text()
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# received = await ws.receive_bytes()
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received = await ws.receive_json()
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assert received == {"action": "test_api"} # 检测调用是否与预期一致
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response = {"result": "test"}
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# await ws.send_text(...)
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# await ws.send_bytes(...)
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await ws.send_json(response, mode="bytes")
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result = await task
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assert result == response # 检测返回是否与预期一致
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```
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