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Merge 3.2 fix updates and tests for issue #15906.

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This commit is contained in:
Barry Warsaw 2012-09-12 15:31:38 -04:00
commit d89774e158
2 changed files with 28 additions and 5 deletions
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31
Lib/test/test_argparse.py
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@ -4591,11 +4591,11 @@ class TestTypeFunctionCallOnlyOnce(TestCase):
args = parser.parse_args('--foo spam!'.split())
self.assertEqual(NS(foo='foo_converted'), args)
# ================================================================
# Check that the type function is called with a non-string default
# ================================================================
# ==================================================================
# Check semantics regarding the default argument and type conversion
# ==================================================================
class TestTypeFunctionCallWithNonStringDefault(TestCase):
class TestTypeFunctionCalledOnDefault(TestCase):
def test_type_function_call_with_non_string_default(self):
def spam(int_to_convert):
@ -4605,8 +4605,31 @@ class TestTypeFunctionCallWithNonStringDefault(TestCase):
parser = argparse.ArgumentParser()
parser.add_argument('--foo', type=spam, default=0)
args = parser.parse_args([])
# foo should *not* be converted because its default is not a string.
self.assertEqual(NS(foo=0), args)
def test_type_function_call_with_string_default(self):
def spam(int_to_convert):
return 'foo_converted'
parser = argparse.ArgumentParser()
parser.add_argument('--foo', type=spam, default='0')
args = parser.parse_args([])
# foo is converted because its default is a string.
self.assertEqual(NS(foo='foo_converted'), args)
def test_no_double_type_conversion_of_default(self):
def extend(str_to_convert):
return str_to_convert + '*'
parser = argparse.ArgumentParser()
parser.add_argument('--test', type=extend, default='*')
args = parser.parse_args([])
# The test argument will be two stars, one coming from the default
# value and one coming from the type conversion being called exactly
# once.
self.assertEqual(NS(test='**'), args)
def test_issue_15906(self):
# Issue #15906: When action='append', type=str, default=[] are
# providing, the dest value was the string representation "[]" when it