def test_raises_assertion_error_on_not_callable_callback(self):
with self.assertRaises(AssertionError):
register(self.crawler, 'on_start', "")
with self.assertRaises(AssertionError):
register(self.crawler, 'on_start', 1)
with self.assertRaises(AssertionError):
register(self.crawler, 'on_start', {})
with self.assertRaises(AssertionError):
register(self.crawler, 'on_start', [])
def test_raises_assertion_error_on_empty_crawler(self):
with self.assertRaises(AssertionError):
register(None, 'on_start', lambda *a, **kw: None)
def test_subscribes_to_on_interrupt(self):
register(self.crawler, 'on_interrupt', lambda *a, **kw: None)
self.assertEqual(self.crawler.on_interrupt.call_count(), 1)
def test_raises_keyerror_on_unknown_type(self):
with self.assertRaises(KeyError):
register(self.crawler, 'unknown_type', lambda *a, **kw: None)
def test_subscribes_to_on_finish(self):
register(self.crawler, 'on_finish', lambda *a, **kw: None)
self.assertEqual(self.crawler.on_finish.call_count(), 1)