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Set calling program to the empty string, when argv not in sys...
Set calling program to the empty string, when argv not in sys It might happen, then the sys module has no argv, when embeding IPython into other programs with IPython.embed(). In that case, just set the calling program to "" or other logic in IPython will crash - for instance when checking for command line arguments.

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test_splitinput.py
35 lines | 1.2 KiB | text/x-python | PythonLexer
# coding: utf-8
from IPython.core.splitinput import split_user_input
from IPython.testing import tools as tt
from IPython.utils import py3compat
tests = [
('x=1', ('', '', 'x', '=1')),
('?', ('', '?', '', '')),
('??', ('', '??', '', '')),
(' ?', (' ', '?', '', '')),
(' ??', (' ', '??', '', '')),
('??x', ('', '??', 'x', '')),
('?x=1', ('', '?', 'x', '=1')),
('!ls', ('', '!', 'ls', '')),
(' !ls', (' ', '!', 'ls', '')),
('!!ls', ('', '!!', 'ls', '')),
(' !!ls', (' ', '!!', 'ls', '')),
(',ls', ('', ',', 'ls', '')),
(';ls', ('', ';', 'ls', '')),
(' ;ls', (' ', ';', 'ls', '')),
('f.g(x)', ('', '', 'f.g', '(x)')),
('f.g (x)', ('', '', 'f.g', '(x)')),
('?%hist1', ('', '?', '%hist1', '')),
('?%%hist2', ('', '?', '%%hist2', '')),
('??%hist3', ('', '??', '%hist3', '')),
('??%%hist4', ('', '??', '%%hist4', '')),
('?x*', ('', '?', 'x*', '')),
]
if py3compat.PY3:
tests.append((u"Pérez Fernando", (u'', u'', u'Pérez', u'Fernando')))
else:
tests.append((u"Pérez Fernando", (u'', u'', u'P', u'érez Fernando')))
def test_split_user_input():
return tt.check_pairs(split_user_input, tests)