sphinx/tests/test_events.py
2022-02-20 03:06:23 +00:00

37 lines
1.2 KiB
Python

"""Test the EventManager class.
"""
import pytest
from sphinx.errors import ExtensionError
from sphinx.events import EventManager
def test_event_priority():
result = []
events = EventManager(object()) # pass an dummy object as an app
events.connect('builder-inited', lambda app: result.append(1), priority = 500)
events.connect('builder-inited', lambda app: result.append(2), priority = 500)
events.connect('builder-inited', lambda app: result.append(3), priority = 200) # eariler
events.connect('builder-inited', lambda app: result.append(4), priority = 700) # later
events.connect('builder-inited', lambda app: result.append(5), priority = 500)
events.emit('builder-inited')
assert result == [3, 1, 2, 5, 4]
def test_event_allowed_exceptions():
def raise_error(app):
raise RuntimeError
events = EventManager(object()) # pass an dummy object as an app
events.connect('builder-inited', raise_error, priority=500)
# all errors are converted to ExtensionError
with pytest.raises(ExtensionError):
events.emit('builder-inited')
# Allow RuntimeError (pass-through)
with pytest.raises(RuntimeError):
events.emit('builder-inited', allowed_exceptions=(RuntimeError,))