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[3.9] bpo-43272: Fix old parser test failures for backported grammar constructs (GH-24591)

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Pablo Galindo 2021-02-20 01:36:15 +00:00 • committed by GitHub
parent a67fd011ea
commit f9d1bf2de0
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3 changed files with 33 additions and 23 deletions
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Lib/test/test_named_expressions.py
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@ -1,4 +1,5 @@
import unittest
from test.support import use_old_parser
GLOBAL_VAR = None
@ -167,6 +168,7 @@ def test_named_expression_invalid_list_comprehension_iterable_expression(self):
with self.assertRaisesRegex(SyntaxError, msg):
exec(f"lambda: {code}", {}) # Function scope
@unittest.skipIf(use_old_parser(), "Old parser does not support walruses in set comprehensions")
def test_named_expression_invalid_rebinding_set_comprehension_iteration_variable(self):
cases = [
("Local reuse", 'i', "{i := 0 for i in range(5)}"),
@ -199,6 +201,7 @@ def test_named_expression_invalid_rebinding_set_comprehension_inner_loop(self):
with self.assertRaisesRegex(SyntaxError, msg):
exec(f"lambda: {code}", {}) # Function scope
@unittest.skipIf(use_old_parser(), "Old parser does not support walruses in set comprehensions")
def test_named_expression_invalid_set_comprehension_iterable_expression(self):
cases = [
("Top level", "{i for i in (i := range(5))}"),