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authorSerhiy Storchaka <storchaka@gmail.com>2020-02-12 20:37:49 (GMT)
committerGitHub <noreply@github.com>2020-02-12 20:37:49 (GMT)
commit6e619c48b8e804ece9521453fc8da0640a04d5b1 (patch)
treeb0814052868c0397aa1cae70827bf331d7e27be4 /Lib/test/test_ast.py
parent674935b8caf33e47c78f1b8e197b1b77a04992d2 (diff)
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bpo-39474: Fix AST pos for expressions like (a)(b), (a)[b] and (a).b. (GH-18477)
Diffstat (limited to 'Lib/test/test_ast.py')
-rw-r--r--Lib/test/test_ast.py27
1 files changed, 27 insertions, 0 deletions
diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py
index 6d1e419..2ed4657 100644
--- a/Lib/test/test_ast.py
+++ b/Lib/test/test_ast.py
@@ -1707,6 +1707,33 @@ class EndPositionTests(unittest.TestCase):
self._check_content(s, call, s)
self._check_content(s, call.args[0], 'x. y .z')
+ def test_redundant_parenthesis(self):
+ s = '( ( ( a + b ) ) )'
+ v = ast.parse(s).body[0].value
+ self.assertEqual(type(v).__name__, 'BinOp')
+ self._check_content(s, v, 'a + b')
+ s2 = 'await ' + s
+ v = ast.parse(s2).body[0].value.value
+ self.assertEqual(type(v).__name__, 'BinOp')
+ self._check_content(s2, v, 'a + b')
+
+ def test_trailers_with_redundant_parenthesis(self):
+ tests = (
+ ('( ( ( a ) ) ) ( )', 'Call'),
+ ('( ( ( a ) ) ) ( b )', 'Call'),
+ ('( ( ( a ) ) ) [ b ]', 'Subscript'),
+ ('( ( ( a ) ) ) . b', 'Attribute'),
+ )
+ for s, t in tests:
+ with self.subTest(s):
+ v = ast.parse(s).body[0].value
+ self.assertEqual(type(v).__name__, t)
+ self._check_content(s, v, s)
+ s2 = 'await ' + s
+ v = ast.parse(s2).body[0].value.value
+ self.assertEqual(type(v).__name__, t)
+ self._check_content(s2, v, s)
+
def test_displays(self):
s1 = '[{}, {1, }, {1, 2,} ]'
s2 = '{a: b, f (): g () ,}'