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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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