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

Backport PR : Added missing require and jquery from cdn....

Backport PR : Added missing require and jquery from cdn. For some reason (I suppose some changes at the css level) the font size inside the input cells was fixed at 14 px... making the fonts really small in the reveal slideshows. This is really annoying... As a plus, I have also added the missing calls for require and jquery (as the full html template does). I think these fixes belong to 2.0, but I also know we are on the edge... so I hope to get it inside :wink: Cheers.

Thomas Kluyver - - Load All Authors

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      from IPython.utils.capture import capture_output

      import nose.tools as nt

      def test_alias_lifecycle():

          name = 'test_alias1'

          cmd = 'echo "Hello"'

          am = _ip.alias_manager

          am.clear_aliases()

          am.define_alias(name, cmd)

          assert am.is_alias(name)

          nt.assert_equal(am.retrieve_alias(name), cmd)

          nt.assert_in((name, cmd), am.aliases)

          # Test running the alias

          orig_system = _ip.system

          result = []

          _ip.system = result.append

          try:

              _ip.run_cell('%{}'.format(name))

              result = [c.strip() for c in result]

              nt.assert_equal(result, [cmd])

          finally:

              _ip.system = orig_system

          # Test removing the alias

          am.undefine_alias(name)

          assert not am.is_alias(name)

          with nt.assert_raises(ValueError):

              am.retrieve_alias(name)

          nt.assert_not_in((name, cmd), am.aliases)

      def test_alias_args_error():

          """Error expanding with wrong number of arguments"""

          _ip.alias_manager.define_alias('parts', 'echo first %s second %s')

          # capture stderr:

          with capture_output() as cap:

              _ip.run_cell('parts 1')

          nt.assert_equal(cap.stderr.split(':')[0], 'UsageError')

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				from IPython.utils.capture import capture_output

				import nose.tools as nt

				def test_alias_lifecycle():
				name = 'test_alias1'
				cmd = 'echo "Hello"'
				am = _ip.alias_manager
				am.clear_aliases()
				am.define_alias(name, cmd)
				assert am.is_alias(name)
				nt.assert_equal(am.retrieve_alias(name), cmd)
				nt.assert_in((name, cmd), am.aliases)

				# Test running the alias
				orig_system = _ip.system
				result = []
				_ip.system = result.append
				try:
				_ip.run_cell('%{}'.format(name))
				result = [c.strip() for c in result]
				nt.assert_equal(result, [cmd])
				finally:
				_ip.system = orig_system

				# Test removing the alias
				am.undefine_alias(name)
				assert not am.is_alias(name)
				with nt.assert_raises(ValueError):
				am.retrieve_alias(name)
				nt.assert_not_in((name, cmd), am.aliases)


				def test_alias_args_error():
				"""Error expanding with wrong number of arguments"""
				_ip.alias_manager.define_alias('parts', 'echo first %s second %s')
				# capture stderr:
				with capture_output() as cap:
				_ip.run_cell('parts 1')

				nt.assert_equal(cap.stderr.split(':')[0], 'UsageError')