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"""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) # earlier
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]
class FakeApp:
def __init__(self, pdb: bool = False):
self.pdb = pdb
def test_event_allowed_exceptions():
def raise_error(app):
raise RuntimeError
events = EventManager(FakeApp()) # 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,))
def test_event_pdb():
def raise_error(app):
raise RuntimeError
events = EventManager(FakeApp(pdb=True)) # pass an dummy object as an app
events.connect('builder-inited', raise_error, priority=500)
# errors aren't converted
with pytest.raises(RuntimeError):
events.emit('builder-inited')
# Allow RuntimeError (pass-through)
with pytest.raises(RuntimeError):
events.emit('builder-inited', allowed_exceptions=(RuntimeError,))
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