xonsh/tests/test_events.py
Noortheen Raja 78091a22f3 style: isort imports
fix #4584
2022-01-31 11:16:51 -05:00

171 lines
3.2 KiB
Python

"""Event tests"""
import inspect
import pytest
from xonsh.events import Event, EventManager, LoadEvent
@pytest.fixture
def events():
return EventManager()
def test_event_calling(events):
called = False
@events.on_test
def _(spam, **_):
nonlocal called
called = spam
events.on_test.fire(spam="eggs")
assert called == "eggs"
def test_event_returns(events):
called = 0
@events.on_test
def on_test(**_):
nonlocal called
called += 1
return 1
@events.on_test
def second(**_):
nonlocal called
called += 1
return 2
vals = events.on_test.fire()
assert called == 2
assert set(vals) == {1, 2}
def test_validator(events):
called = None
@events.on_test
def first(n, **_):
nonlocal called
called += 1
return False
@first.validator
def v(n):
return n == "spam"
@events.on_test
def second(n, **_):
nonlocal called
called += 1
return False
called = 0
events.on_test.fire(n="egg")
assert called == 1
called = 0
events.on_test.fire(n="spam")
assert called == 2
def test_eventdoc(events):
docstring = "Test event"
events.doc("on_test", docstring)
assert inspect.getdoc(events.on_test) == docstring
def test_transmogrify(events):
docstring = "Test event"
events.doc("on_test", docstring)
@events.on_test
def func(**_):
pass
assert isinstance(events.on_test, Event)
assert len(events.on_test) == 1
assert inspect.getdoc(events.on_test) == docstring
events.transmogrify("on_test", LoadEvent)
assert isinstance(events.on_test, LoadEvent)
assert len(events.on_test) == 1
assert inspect.getdoc(events.on_test) == docstring
def test_transmogrify_by_string(events):
docstring = "Test event"
events.doc("on_test", docstring)
@events.on_test
def func(**_):
pass
assert isinstance(events.on_test, Event)
assert len(events.on_test) == 1
assert inspect.getdoc(events.on_test) == docstring
events.transmogrify("on_test", "LoadEvent")
assert isinstance(events.on_test, LoadEvent)
assert len(events.on_test) == 1
assert inspect.getdoc(events.on_test) == docstring
def test_load(events):
events.transmogrify("on_test", "LoadEvent")
called = 0
@events.on_test
def on_test(**_):
nonlocal called
called += 1
assert called == 0
events.on_test.fire()
assert called == 1
@events.on_test
def second(**_):
nonlocal called
called += 1
assert called == 2
def test_load_2nd_call(events):
events.transmogrify("on_test", "LoadEvent")
called = 0
@events.on_test
def on_test(**_):
nonlocal called
called += 1
assert called == 0
events.on_test.fire()
assert called == 1
events.on_test.fire()
assert called == 1
def test_typos(xession):
for name, ev in vars(xession.builtins.events).items():
if "pytest" in name:
continue
assert inspect.getdoc(ev)
def test_exists(events):
events.doc("on_test", "Test event")
assert events.exists("on_test")
assert not events.exists("on_best")