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"""Tests for input manipulation machinery."""
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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import nose.tools as nt
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from IPython.testing import tools as tt, decorators as dec
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from IPython.testing.globalipapp import get_ipython
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#-----------------------------------------------------------------------------
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# Tests
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#-----------------------------------------------------------------------------
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ip = get_ipython()
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@dec.parametric
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def test_prefilter():
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"""Test user input conversions"""
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# pairs of (raw, expected correct) input
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pairs = [ ('2+2','2+2'),
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('>>> 2+2','2+2'),
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('>>> # This is a comment\n'
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'... 2+2',
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'# This is a comment\n'
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'2+2'),
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# Some IPython input
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('In [1]: 1', '1'),
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('In [2]: for i in range(5):\n'
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' ...: print i,',
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'for i in range(5):\n'
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' print i,'),
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]
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for raw, correct in pairs:
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yield nt.assert_equals(ip.prefilter(raw), correct)
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@dec.parametric
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def test_autocall_binops():
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"""See https://github.com/ipython/ipython/issues/81"""
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ip.magic('autocall 2')
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f = lambda x: x
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ip.user_ns['f'] = f
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try:
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yield nt.assert_equals(ip.prefilter('f 1'),'f(1)')
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for t in ['f +1', 'f -1']:
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yield nt.assert_equals(ip.prefilter(t), t)
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finally:
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ip.magic('autocall 0')
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del ip.user_ns['f']
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@dec.parametric
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def test_issue114():
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"""Check that multiline string literals don't expand as magic
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see http://github.com/ipython/ipython/issues/#issue/114"""
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template = '"""\n%s\n"""'
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# Store the current value of multi_line_specials and turn it off before
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# running test, since it could be true (case in which the test doesn't make
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# sense, as multiline string literals *will* expand as magic in that case).
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msp = ip.prefilter_manager.multi_line_specials
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ip.prefilter_manager.multi_line_specials = False
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try:
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for mgk in ip.lsmagic():
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raw = template % mgk
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yield nt.assert_equals(ip.prefilter(raw), raw)
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finally:
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ip.prefilter_manager.multi_line_specials = msp
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