✅ add unit test for message slice

tests/test_adapters/test_message.py

@@ -0,0 +1,54 @@
+from utils import make_fake_message
+
+
+def test_message_template():
+    from nonebot.adapters import MessageTemplate
+
+    Message = make_fake_message()
+
+    template = MessageTemplate("{a:custom}{b:text}{c:image}", Message)
+
+    @template.add_format_spec
+    def custom(input: str) -> str:
+        return input + "-custom!"
+
+    formatted = template.format(a="test", b="test", c="https://example.com/test")
+    assert formatted.extract_plain_text() == "test-custom!test"
+    assert str(formatted) == "test-custom!test[fake:image]"
+
+
+def test_message_slice():
+
+    Message = make_fake_message()
+    MessageSegment = Message.get_segment_class()
+
+    message = Message(
+        [
+            MessageSegment.text("test"),
+            MessageSegment.image("test2"),
+            MessageSegment.image("test3"),
+            MessageSegment.text("test4"),
+        ]
+    )
+
+    assert message[0] == MessageSegment.text("test")
+
+    assert message[0:2] == Message(
+        [MessageSegment.text("test"), MessageSegment.image("test2")]
+    )
+
+    assert message["image"] == Message(
+        [MessageSegment.image("test2"), MessageSegment.image("test3")]
+    )
+
+    assert message["image", 0] == MessageSegment.image("test2")
+    assert message["image", 0:2] == message["image"]
+
+    assert message.index(message[0]) == 0
+    assert message.index("image") == 1
+
+    assert message.get("image") == message["image"]
+    assert message.get("image", 114514) == message["image"]
+    assert message.get("image", 1) == Message([message["image", 0]])
+
+    assert message.count("image") == 2

tests/test_adapters/test_template.py

@@ -1,17 +0,0 @@
-from utils import make_fake_message
-
-
-def test_message_template():
-    from nonebot.adapters import MessageTemplate
-
-    Message = make_fake_message()
-
-    template = MessageTemplate("{a:custom}{b:text}{c:image}", Message)
-
-    @template.add_format_spec
-    def custom(input: str) -> str:
-        return input + "-custom!"
-
-    formatted = template.format(a="test", b="test", c="https://example.com/test")
-    assert formatted.extract_plain_text() == "test-custom!test"
-    assert str(formatted) == "test-custom!test[fake:image]"

tests/utils.py

@@ -1,4 +1,4 @@
-from typing import TYPE_CHECKING, Type, Optional
+from typing import TYPE_CHECKING, Type, Union, Mapping, Iterable, Optional
 
 from pydantic import create_model
 
@@ -34,8 +34,13 @@ def make_fake_message() -> Type["Message"]:
             return FakeMessageSegment
 
         @staticmethod
-        def _construct(msg: str):
+        def _construct(msg: Union[str, Iterable[Mapping]]):
-            yield FakeMessageSegment.text(msg)
+            if isinstance(msg, str):
+                yield FakeMessageSegment.text(msg)
+            else:
+                for seg in msg:
+                    yield FakeMessageSegment(**seg)
+            return
 
     return FakeMessage