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"""Feedback Channels Tests"""
import pytest
from circuits import Component, Event, handler
class test(Event):
"""test Event"""
success = True
failure = True
class App(Component):
def __init__(self):
super().__init__()
self.e = None
self.error = None
self.value = None
self.success = False
self.failure = False
@handler('*')
def event(self, event, *args, **kwargs):
if kwargs.get('filter', False):
event.stop()
def test(self, error=False):
if error:
raise Exception('Hello World!')
return 'Hello World!'
def test_success(self, e, value):
self.e = e
self.value = value
self.success = True
def test_failure(self, e, error):
self.e = e
self.error = error
self.failure = True
def reraise(e):
raise e
def test_success():
app = App()
while len(app):
app.flush()
e = test()
value = app.fire(e)
while len(app):
app.flush()
# The Event
s = value.value
assert s == 'Hello World!'
while len(app):
app.flush()
assert app.e == e
assert app.success
assert app.e.value == value
assert app.value == value.value
def test_failure():
app = App()
while len(app):
app.flush()
e = test(error=True)
x = app.fire(e)
while len(app):
app.flush()
# The Event
pytest.raises(Exception, lambda x: reraise(x[1]), x.value)
while len(app):
app.flush()
assert app.e == e
etype, evalue, _etraceback = app.error
pytest.raises(Exception, lambda x: reraise(x), evalue)
assert etype is Exception
assert app.failure
assert not app.success
assert app.e.value == x
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