♻️ rewrite dependency injection system

tests/plugins/depends.py

@@ -0,0 +1,23 @@
+from nonebot import on_message
+from nonebot.adapters import Event
+from nonebot.params import Depends
+
+test = on_message()
+test2 = on_message()
+
+runned = False
+
+
+def dependency(event: Event):
+    # test cache
+    global runned
+    assert not runned
+    runned = True
+    return event
+
+
+@test.handle()
+@test2.handle()
+async def handle(x: Event = Depends(dependency)):
+    # test dependency
+    return x

tests/test_init.py

@@ -1,6 +1,12 @@
 import os
+import sys
+from typing import TYPE_CHECKING, Set
 
 import pytest
+from utils import load_plugin
+
+if TYPE_CHECKING:
+    from nonebot.plugin import Plugin
 
 os.environ["CONFIG_FROM_ENV"] = "env"
 
@@ -17,3 +23,14 @@ async def test_init(nonebug_init):
     assert config.config_from_env == "env"
     assert config.config_from_init == "init"
     assert config.common_config == "common"
+
+
+@pytest.mark.asyncio
+async def test_load_plugin(load_plugin: Set["Plugin"]):
+    import nonebot
+
+    assert nonebot.get_loaded_plugins() == load_plugin
+    plugin = nonebot.get_plugin("depends")
+    assert plugin
+    assert plugin.module_name == "plugins.depends"
+    assert "plugins.depends" in sys.modules

tests/utils.py

@@ -0,0 +1,14 @@
+from pathlib import Path
+from typing import TYPE_CHECKING, Set
+
+import pytest
+
+if TYPE_CHECKING:
+    from nonebot.plugin import Plugin
+
+
+@pytest.fixture
+def load_plugin(nonebug_init: None) -> Set["Plugin"]:
+    import nonebot
+
+    return nonebot.load_plugins(str(Path(__file__).parent / "plugins"))