✅ add rule test cases

tests/test_rule.py

@@ -1,11 +1,81 @@
+from typing import Tuple, Union
+
 import pytest
 from nonebug import App
 
+from utils import make_fake_event, make_fake_message
+
+
+@pytest.mark.asyncio
+@pytest.mark.parametrize(
+    "msg,ignorecase,type,text,expected",
+    [
+        ("prefix", False, "message", "prefix_", True),
+        ("prefix", False, "message", "Prefix_", False),
+        ("prefix", True, "message", "prefix_", True),
+        ("prefix", True, "message", "Prefix_", True),
+    ],
+)
+async def test_startswith(
+    app: App,
+    msg: Union[str, Tuple[str, ...]],
+    ignorecase: bool,
+    type: str,
+    text: str,
+    expected: bool,
+):
+    from nonebot.rule import StartswithRule, startswith
+
+    test_startswith = startswith(msg, ignorecase)
+    dependent = list(test_startswith.checkers)[0]
+    checker = dependent.call
+
+    assert isinstance(checker, StartswithRule)
+    assert checker.msg == (msg,) if isinstance(msg, str) else msg
+    assert checker.ignorecase == ignorecase
+
+    message = make_fake_message()(text)
+    event = make_fake_event(_type=type, _message=message)()
+    assert await dependent(event=event) == expected
+
+
+@pytest.mark.asyncio
+@pytest.mark.parametrize(
+    "msg,ignorecase,type,text,expected",
+    [
+        ("suffix", False, "message", "_suffix", True),
+        ("suffix", False, "message", "_Suffix", False),
+        ("suffix", True, "message", "_suffix", True),
+        ("suffix", True, "message", "_Suffix", True),
+    ],
+)
+async def test_endswith(
+    app: App,
+    msg: Union[str, Tuple[str, ...]],
+    ignorecase: bool,
+    type: str,
+    text: str,
+    expected: bool,
+):
+    from nonebot.rule import EndswithRule, endswith
+
+    test_endswith = endswith(msg, ignorecase)
+    dependent = list(test_endswith.checkers)[0]
+    checker = dependent.call
+
+    assert isinstance(checker, EndswithRule)
+    assert checker.msg == (msg,) if isinstance(msg, str) else msg
+    assert checker.ignorecase == ignorecase
+
+    message = make_fake_message()(text)
+    event = make_fake_event(_type=type, _message=message)()
+    assert await dependent(event=event) == expected
+
 
 @pytest.mark.asyncio
 async def test_command(app: App):
+    from nonebot.rule import CommandRule, command
     from nonebot.consts import CMD_KEY, PREFIX_KEY
-    from nonebot.rule import Rule, CommandRule, command
 
     test_command = command("help")
     dependent = list(test_command.checkers)[0]