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Commit8f6df5e

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gh-106368: Add tests for permutation helpers in Argument Clinic (#106407)
Added new test class PermutationTests()
1 parente4ba71f commit8f6df5e

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2 files changed

+108
-2
lines changed

2 files changed

+108
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lines changed

‎Lib/test/test_clinic.py‎

Lines changed: 106 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1586,5 +1586,111 @@ def test_cloned_func_with_converter_exception_message(self):
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self.assertEqual(func(),name)
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classPermutationTests(unittest.TestCase):
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"""Test permutation support functions."""
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deftest_permute_left_option_groups(self):
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expected= (
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(),
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(3,),
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(2,3),
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(1,2,3),
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)
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data=list(zip([1,2,3]))# Generate a list of 1-tuples.
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actual=tuple(clinic.permute_left_option_groups(data))
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self.assertEqual(actual,expected)
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deftest_permute_right_option_groups(self):
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expected= (
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(),
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(1,),
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(1,2),
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(1,2,3),
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)
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data=list(zip([1,2,3]))# Generate a list of 1-tuples.
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actual=tuple(clinic.permute_right_option_groups(data))
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self.assertEqual(actual,expected)
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deftest_permute_optional_groups(self):
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empty= {
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"left": (),"required": (),"right": (),
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"expected": ((),),
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}
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noleft1= {
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"left": (),"required": ("b",),"right": ("c",),
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"expected": (
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("b",),
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("b","c"),
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),
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}
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noleft2= {
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"left": (),"required": ("b","c",),"right": ("d",),
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"expected": (
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("b","c"),
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("b","c","d"),
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),
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}
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noleft3= {
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"left": (),"required": ("b","c",),"right": ("d","e"),
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"expected": (
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("b","c"),
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("b","c","d"),
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("b","c","d","e"),
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),
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}
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noright1= {
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"left": ("a",),"required": ("b",),"right": (),
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"expected": (
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("b",),
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("a","b"),
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),
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}
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noright2= {
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"left": ("a",),"required": ("b","c"),"right": (),
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"expected": (
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("b","c"),
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("a","b","c"),
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),
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}
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noright3= {
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"left": ("a","b"),"required": ("c",),"right": (),
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"expected": (
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("c",),
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("b","c"),
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("a","b","c"),
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),
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}
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leftandright1= {
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"left": ("a",),"required": ("b",),"right": ("c",),
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"expected": (
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("b",),
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("a","b"),# Prefer left.
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("a","b","c"),
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),
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}
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leftandright2= {
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"left": ("a","b"),"required": ("c","d"),"right": ("e","f"),
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"expected": (
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("c","d"),
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("b","c","d"),# Prefer left.
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("a","b","c","d"),# Prefer left.
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("a","b","c","d","e"),
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("a","b","c","d","e","f"),
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),
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}
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dataset= (
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empty,
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noleft1,noleft2,noleft3,
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noright1,noright2,noright3,
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leftandright1,leftandright2,
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)
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forparamsindataset:
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withself.subTest(**params):
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left,required,right,expected=params.values()
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permutations=clinic.permute_optional_groups(left,required,right)
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actual=tuple(permutations)
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self.assertEqual(actual,expected)
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if__name__=="__main__":
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unittest.main()

‎Tools/clinic/clinic.py‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -518,7 +518,7 @@ class PythonLanguage(Language):
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519519
defpermute_left_option_groups(l):
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"""
521-
Given [1, 2, 3], should yield:
521+
Given [(1,), (2,), (3,)], should yield:
522522
()
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(3,)
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(2, 3)
@@ -533,7 +533,7 @@ def permute_left_option_groups(l):
533533

534534
defpermute_right_option_groups(l):
535535
"""
536-
Given [1, 2, 3], should yield:
536+
Given [(1,), (2,), (3,)], should yield:
537537
()
538538
(1,)
539539
(1, 2)

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