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authorBarry Warsaw <barry@python.org>2012-09-12 19:31:38 (GMT)
committerBarry Warsaw <barry@python.org>2012-09-12 19:31:38 (GMT)
commitd89774e1581ad2ca03ba06876d0fe4f2a2d8ff91 (patch)
treec765a7143fe958d03e4b92d2a8b75b7fac714387 /Lib/test/test_argparse.py
parent77c45538f79a1b0110e088d256a222d68563354d (diff)
parent2dceb359cb0353d4f327fc36be27e67a3e94566e (diff)
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Merge 3.2 fix updates and tests for issue #15906.
Diffstat (limited to 'Lib/test/test_argparse.py')
-rw-r--r--Lib/test/test_argparse.py31
1 files changed, 27 insertions, 4 deletions
diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py
index ff02ee7..c06c940 100644
--- a/Lib/test/test_argparse.py
+++ b/Lib/test/test_argparse.py
@@ -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