upstream/ipython Files · IPython/qt/console/tests/test_completion_lexer.py

Provide a more useful error for invalid use case....

Provide a more useful error for invalid use case. The previous help statement was not very usefull for users who don't know how to use nbconvert (ironically, the exact set of users who would encounter the error).

Fernando Perez - - Load All Authors

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             test_completion_lexer.py
        
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                PythonLexer
            
             / IPython / qt / console / tests / test_completion_lexer.py
          
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      # Standard library imports

      import unittest

      # System library imports

      from pygments.lexers import CLexer, CppLexer, PythonLexer

      # Local imports

      from IPython.qt.console.completion_lexer import CompletionLexer

      class TestCompletionLexer(unittest.TestCase):

          def testPython(self):

              """ Does the CompletionLexer work for Python?

              """

              lexer = CompletionLexer(PythonLexer())

              # Test simplest case.

              self.assertEqual(lexer.get_context("foo.bar.baz"),

                                [ "foo", "bar", "baz" ])

              # Test trailing period.

              self.assertEqual(lexer.get_context("foo.bar."), [ "foo", "bar", "" ])

              # Test with prompt present.

              self.assertEqual(lexer.get_context(">>> foo.bar.baz"),

                                [ "foo", "bar", "baz" ])

              # Test spacing in name.

              self.assertEqual(lexer.get_context("foo.bar. baz"), [ "baz" ])

              # Test parenthesis.

              self.assertEqual(lexer.get_context("foo("), [])

          def testC(self):

              """ Does the CompletionLexer work for C/C++?

              """

              lexer = CompletionLexer(CLexer())

              self.assertEqual(lexer.get_context("foo.bar"), [ "foo", "bar" ])

              self.assertEqual(lexer.get_context("foo->bar"), [ "foo", "bar" ])

              lexer = CompletionLexer(CppLexer())

              self.assertEqual(lexer.get_context("Foo::Bar"), [ "Foo", "Bar" ])

      if __name__ == '__main__':

          unittest.main()

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				# Standard library imports
				import unittest

				# System library imports
				from pygments.lexers import CLexer, CppLexer, PythonLexer

				# Local imports
				from IPython.qt.console.completion_lexer import CompletionLexer


				class TestCompletionLexer(unittest.TestCase):

				def testPython(self):
				""" Does the CompletionLexer work for Python?
				"""
				lexer = CompletionLexer(PythonLexer())

				# Test simplest case.
				self.assertEqual(lexer.get_context("foo.bar.baz"),
				[ "foo", "bar", "baz" ])

				# Test trailing period.
				self.assertEqual(lexer.get_context("foo.bar."), [ "foo", "bar", "" ])

				# Test with prompt present.
				self.assertEqual(lexer.get_context(">>> foo.bar.baz"),
				[ "foo", "bar", "baz" ])

				# Test spacing in name.
				self.assertEqual(lexer.get_context("foo.bar. baz"), [ "baz" ])

				# Test parenthesis.
				self.assertEqual(lexer.get_context("foo("), [])

				def testC(self):
				""" Does the CompletionLexer work for C/C++?
				"""
				lexer = CompletionLexer(CLexer())
				self.assertEqual(lexer.get_context("foo.bar"), [ "foo", "bar" ])
				self.assertEqual(lexer.get_context("foo->bar"), [ "foo", "bar" ])

				lexer = CompletionLexer(CppLexer())
				self.assertEqual(lexer.get_context("Foo::Bar"), [ "Foo", "Bar" ])


				if __name__ == '__main__':
				unittest.main()