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from __future__ import absolute_import, print_function, division
from petl.compat import maxint
from petl.test.helpers import eq_
from petl.util.parsers import numparser, datetimeparser
def test_numparser():
parsenumber = numparser()
assert parsenumber('1') == 1
assert parsenumber('1.0') == 1.0
assert parsenumber(str(maxint + 1)) == maxint + 1
assert parsenumber('3+4j') == 3 + 4j
assert parsenumber('aaa') == 'aaa'
assert parsenumber(None) is None
def test_numparser_strict():
parsenumber = numparser(strict=True)
assert parsenumber('1') == 1
assert parsenumber('1.0') == 1.0
assert parsenumber(str(maxint + 1)) == maxint + 1
assert parsenumber('3+4j') == 3 + 4j
try:
parsenumber('aaa')
except ValueError:
pass # expected
else:
assert False, 'expected exception'
try:
parsenumber(None)
except TypeError:
pass # expected
else:
assert False, 'expected exception'
def test_laxparsers():
p1 = datetimeparser('%Y-%m-%dT%H:%M:%S')
try:
p1('2002-12-25 00:00:00')
except ValueError:
pass
else:
assert False, 'expected exception'
p2 = datetimeparser('%Y-%m-%dT%H:%M:%S', strict=False)
try:
v = p2('2002-12-25 00:00:00')
except ValueError:
assert False, 'did not expect exception'
else:
eq_('2002-12-25 00:00:00', v)
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