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

Eliminate main window logic from MagicHelper....

Eliminate main window logic from MagicHelper. The only remaining logic in MagicHelper was calling kernel upon update. Moved the call to main window using new special signal 'readyForUpdate' Upon receival of this signal main window will query the kernel and call MagicHelper.populate_magic_helper()

Thomas Kluyver - - 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_reset(self):

              cb = Mock()

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

              self.em.reset('ping_received')

              self.em.trigger('ping_received')

              assert not cb.called

          def test_reset_all(self):

              cb = Mock()

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

              self.em.reset_all()

              self.em.trigger('ping_received')

              assert not cb.called

          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_reset(self):
				cb = Mock()
				self.em.register('ping_received', cb)
				self.em.reset('ping_received')
				self.em.trigger('ping_received')
				assert not cb.called

				def test_reset_all(self):
				cb = Mock()
				self.em.register('ping_received', cb)
				self.em.reset_all()
				self.em.trigger('ping_received')
				assert not cb.called

				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')