1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
from textual.app import App, ComposeResult
from textual.message import Message
from textual.widget import Widget
async def test_message_inheritance_namespace():
"""Inherited messages get their correct namespaces.
Regression test for https://github.com/Textualize/textual/issues/1814.
"""
class BaseWidget(Widget):
class Fired(Message):
pass
def trigger(self) -> None:
self.post_message(self.Fired())
class Left(BaseWidget):
class Fired(BaseWidget.Fired):
pass
class Right(BaseWidget):
class Fired(BaseWidget.Fired):
pass
class DummyWidget(Widget):
# ensure that referencing a message type in other class scopes
# doesn't break the namespace
_event = Left.Fired
handlers_called = []
class MessageInheritanceApp(App[None]):
def compose(self) -> ComposeResult:
yield Left()
yield Right()
def on_left_fired(self):
handlers_called.append("left")
def on_right_fired(self):
handlers_called.append("right")
app = MessageInheritanceApp()
async with app.run_test():
app.query_one(Left).trigger()
app.query_one(Right).trigger()
assert handlers_called == ["left", "right"]
|
