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

First step in reintegrating Jedi...

First step in reintegrating Jedi If Jedi is installed expose a private API use it with prompt toolkit. Jedi does not _yet_ provide all the completion IPython has, so this is still a bit awkward. In order to debug this (and see what is Jedi provided we for now inject a fake Jedi/IPython delimiter in the menu. Jedi completion and this behavior are enabled by default, but could likely be opt-in. Add also a number of debug flags to be able to track why jedi is not working, and/or what completions are found by IPython and not Jedi. That should give us a bit of heads up and feedback to know whether we can remove part of the IPython completer, and more especially if we can drop `python_matches`. Once `python_matches` is dropped and some other of the current matchers are either dropped or converted to the new API, that should simplify the internal quite a bit. That would just be too much for an already BIG pull-request.

Srinivas Reddy Thatiparthy - - Load All Authors

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      import unittest

      from unittest.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')

          def test_unregister_during_callback(self):

              invoked = [False] * 3

              def func1(*_):

                  invoked[0] = True

                  self.em.unregister('ping_received', func1)

                  self.em.register('ping_received', func3)

              def func2(*_):

                  invoked[1] = True

                  self.em.unregister('ping_received', func2)

              def func3(*_):

                  invoked[2] = True

              self.em.register('ping_received', func1)

              self.em.register('ping_received', func2)

              self.em.trigger('ping_received')

              self.assertEqual([True, True, False], invoked)

              self.assertEqual([func3], self.em.callbacks['ping_received'])

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				import unittest
				from unittest.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')

				def test_unregister_during_callback(self):
				invoked = [False] * 3

				def func1(*_):
				invoked[0] = True
				self.em.unregister('ping_received', func1)
				self.em.register('ping_received', func3)

				def func2(*_):
				invoked[1] = True
				self.em.unregister('ping_received', func2)

				def func3(*_):
				invoked[2] = True

				self.em.register('ping_received', func1)
				self.em.register('ping_received', func2)

				self.em.trigger('ping_received')
				self.assertEqual([True, True, False], invoked)
				self.assertEqual([func3], self.em.callbacks['ping_received'])