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from __future__ import annotations
from time import sleep
from textual.notifications import Notification, Notifications
def test_empty_to_start_with() -> None:
"""We should have no notifications if we've not raised any."""
assert len(Notifications()) == 0
def test_many_notifications() -> None:
"""Adding lots of long-timeout notifications should result in them being in the list."""
tester = Notifications()
for _ in range(100):
tester.add(Notification("test", timeout=60))
assert len(tester) == 100
def test_timeout() -> None:
"""Notifications should timeout from the list."""
tester = Notifications()
for n in range(100):
tester.add(Notification("test", timeout=(0.5 if bool(n % 2) else 60)))
assert len(tester) == 100
sleep(0.6)
assert len(tester) == 50
def test_in() -> None:
"""It should be possible to test if a notification is in a collection."""
tester = Notifications()
within = Notification("within", timeout=120)
outwith = Notification("outwith", timeout=120)
tester.add(within)
assert within in tester
assert outwith not in tester
def test_remove_notification() -> None:
"""It should be possible to remove a notification."""
tester = Notifications()
first = Notification("first", timeout=120)
second = Notification("second", timeout=120)
third = Notification("third", timeout=120)
tester.add(first)
tester.add(second)
tester.add(third)
assert list(tester) == [first, second, third]
del tester[second]
assert list(tester) == [first, third]
del tester[first]
assert list(tester) == [third]
del tester[third]
assert list(tester) == []
def test_remove_notification_multiple_times() -> None:
"""It should be possible to remove the same notification more than once without an error."""
tester = Notifications()
alert = Notification("delete me")
tester.add(alert)
assert list(tester) == [alert]
del tester[alert]
assert list(tester) == []
del tester[alert]
assert list(tester) == []
def test_clear() -> None:
"""It should be possible to clear all notifications."""
tester = Notifications()
for _ in range(100):
tester.add(Notification("test", timeout=120))
assert len(tester) == 100
tester.clear()
assert len(tester) == 0
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