upstream/ipython Files · IPython/kernel/tests/test_kernelmanager.py

Allow InputTransformers to raise SyntaxErrors...

Allow InputTransformers to raise SyntaxErrors This is a relatively trivial modification of the IPython main loop to catch a possible SyntaxError and print it instead of quitting. Doctesting this change is somewhat tricky since we actually need to run the main TerminalInteractiveShell.interact() loop, and is done through a subprocess and piping in a testcase.

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             test_kernelmanager.py
        
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      """Tests for the notebook kernel and session manager"""

      from subprocess import PIPE

      import time

      from unittest import TestCase

      from IPython.testing import decorators as dec

      from IPython.config.loader import Config

      from IPython.kernel import KernelManager

      class TestKernelManager(TestCase):

          def _get_tcp_km(self):

              c = Config()

              km = KernelManager(config=c)

              return km

          def _get_ipc_km(self):

              c = Config()

              c.KernelManager.transport = 'ipc'

              c.KernelManager.ip = 'test'

              km = KernelManager(config=c)

              return km

          def _run_lifecycle(self, km):

              km.start_kernel(stdout=PIPE, stderr=PIPE)

              self.assertTrue(km.is_alive())

              km.restart_kernel(now=True)

              self.assertTrue(km.is_alive())

              km.interrupt_kernel()

              self.assertTrue(isinstance(km, KernelManager))

              km.shutdown_kernel(now=True)

          def test_tcp_lifecycle(self):

              km = self._get_tcp_km()

              self._run_lifecycle(km)

          @dec.skip_win32

          def test_ipc_lifecycle(self):

              km = self._get_ipc_km()

              self._run_lifecycle(km)

          def test_get_connect_info(self):

              km = self._get_tcp_km()

              cinfo = km.get_connection_info()

              keys = sorted(cinfo.keys())

              expected = sorted([

                  'ip', 'transport',

                  'hb_port', 'shell_port', 'stdin_port', 'iopub_port', 'control_port',

                  'key', 'signature_scheme',

              ])

              self.assertEqual(keys, expected)

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				"""Tests for the notebook kernel and session manager"""

				from subprocess import PIPE
				import time
				from unittest import TestCase

				from IPython.testing import decorators as dec

				from IPython.config.loader import Config
				from IPython.kernel import KernelManager

				class TestKernelManager(TestCase):

				def _get_tcp_km(self):
				c = Config()
				km = KernelManager(config=c)
				return km

				def _get_ipc_km(self):
				c = Config()
				c.KernelManager.transport = 'ipc'
				c.KernelManager.ip = 'test'
				km = KernelManager(config=c)
				return km

				def _run_lifecycle(self, km):
				km.start_kernel(stdout=PIPE, stderr=PIPE)
				self.assertTrue(km.is_alive())
				km.restart_kernel(now=True)
				self.assertTrue(km.is_alive())
				km.interrupt_kernel()
				self.assertTrue(isinstance(km, KernelManager))
				km.shutdown_kernel(now=True)

				def test_tcp_lifecycle(self):
				km = self._get_tcp_km()
				self._run_lifecycle(km)

				@dec.skip_win32
				def test_ipc_lifecycle(self):
				km = self._get_ipc_km()
				self._run_lifecycle(km)

				def test_get_connect_info(self):
				km = self._get_tcp_km()
				cinfo = km.get_connection_info()
				keys = sorted(cinfo.keys())
				expected = sorted([
				'ip', 'transport',
				'hb_port', 'shell_port', 'stdin_port', 'iopub_port', 'control_port',
				'key', 'signature_scheme',
				])
				self.assertEqual(keys, expected)