upstream/ipython Files · IPython/core/tests/test_events.py

Changed the display order of rich output in the live notebook to match that of nbconvert. This makes more sense than the other way around due to the need for notebooks already shared on the web to remain consistant. Conversely local notebooks can simply be edited to match the new order.

Nathaniel J. Smith - - Load All Authors

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             test_events.py
        
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      import unittest

      try:  # Python 3.3 +

          from unittest.mock import Mock

      except ImportError:

          from mock import Mock

      from IPython.core import events

      import IPython.testing.tools as tt

      def ping_received():

          pass

      class CallbackTests(unittest.TestCase):

          def setUp(self):

              self.em = events.EventManager(get_ipython(), {'ping_received': ping_received})

          def test_register_unregister(self):

              cb = Mock()

              self.em.register('ping_received', cb)        

              self.em.trigger('ping_received')

              self.assertEqual(cb.call_count, 1)

              self.em.unregister('ping_received', cb)

              self.em.trigger('ping_received')

              self.assertEqual(cb.call_count, 1)

          def test_cb_error(self):

              cb = Mock(side_effect=ValueError)

              self.em.register('ping_received', cb)

              with tt.AssertPrints("Error in callback"):

                  self.em.trigger('ping_received')

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				import unittest
				try: # Python 3.3 +
				from unittest.mock import Mock
				except ImportError:
				from mock import Mock

				from IPython.core import events
				import IPython.testing.tools as tt

				def ping_received():
				pass

				class CallbackTests(unittest.TestCase):
				def setUp(self):
				self.em = events.EventManager(get_ipython(), {'ping_received': ping_received})

				def test_register_unregister(self):
				cb = Mock()

				self.em.register('ping_received', cb)
				self.em.trigger('ping_received')
				self.assertEqual(cb.call_count, 1)

				self.em.unregister('ping_received', cb)
				self.em.trigger('ping_received')
				self.assertEqual(cb.call_count, 1)

				def test_cb_error(self):
				cb = Mock(side_effect=ValueError)
				self.em.register('ping_received', cb)
				with tt.AssertPrints("Error in callback"):
				self.em.trigger('ping_received')