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bpo-30534: Fixed error messages when pass keyword arguments (#1901)

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to functions implemented in C that don't support this.

Also unified error messages for functions that don't take positional or keyword
arguments.
This commit is contained in:
Serhiy Storchaka 2017-06-06 18:45:22 +03:00 • committed by GitHub
parent 5cefb6cfdd
commit 5eb788bf7f
5 changed files with 116 additions and 45 deletions
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60
Lib/test/test_call.py
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@ -1,4 +1,5 @@
import unittest
from test.support import cpython_only
# The test cases here cover several paths through the function calling
# code. They depend on the METH_XXX flag that is used to define a C
@ -33,9 +34,6 @@ def test_varargs2_ext(self):
else:
raise RuntimeError
def test_varargs0_kw(self):
self.assertRaises(TypeError, {}.__contains__, x=2)
def test_varargs1_kw(self):
self.assertRaises(TypeError, {}.__contains__, x=2)
@ -122,5 +120,61 @@ def test_oldargs1_2_kw(self):
self.assertRaises(TypeError, [].count, x=2, y=2)
@cpython_only
class CFunctionCallsErrorMessages(unittest.TestCase):
def test_varargs0(self):
msg = r"__contains__\(\) takes exactly one argument \(0 given\)"
self.assertRaisesRegex(TypeError, msg, {}.__contains__)
def test_varargs2(self):
msg = r"__contains__\(\) takes exactly one argument \(2 given\)"
self.assertRaisesRegex(TypeError, msg, {}.__contains__, 0, 1)
def test_varargs1_kw(self):
msg = r"__contains__\(\) takes no keyword arguments"
self.assertRaisesRegex(TypeError, msg, {}.__contains__, x=2)
def test_varargs2_kw(self):
msg = r"__contains__\(\) takes no keyword arguments"
self.assertRaisesRegex(TypeError, msg, {}.__contains__, x=2, y=2)
def test_oldargs0_1(self):
msg = r"keys\(\) takes no arguments \(1 given\)"
self.assertRaisesRegex(TypeError, msg, {}.keys, 0)
def test_oldargs0_2(self):
msg = r"keys\(\) takes no arguments \(2 given\)"
self.assertRaisesRegex(TypeError, msg, {}.keys, 0, 1)
def test_oldargs0_1_kw(self):
msg = r"keys\(\) takes no keyword arguments"
self.assertRaisesRegex(TypeError, msg, {}.keys, x=2)
def test_oldargs0_2_kw(self):
msg = r"keys\(\) takes no keyword arguments"
self.assertRaisesRegex(TypeError, msg, {}.keys, x=2, y=2)
def test_oldargs1_0(self):
msg = r"count\(\) takes exactly one argument \(0 given\)"
self.assertRaisesRegex(TypeError, msg, [].count)
def test_oldargs1_2(self):
msg = r"count\(\) takes exactly one argument \(2 given\)"
self.assertRaisesRegex(TypeError, msg, [].count, 1, 2)
def test_oldargs1_0_kw(self):
msg = r"count\(\) takes no keyword arguments"
self.assertRaisesRegex(TypeError, msg, [].count, x=2)
def test_oldargs1_1_kw(self):
msg = r"count\(\) takes no keyword arguments"
self.assertRaisesRegex(TypeError, msg, [].count, {}, x=2)
def test_oldargs1_2_kw(self):
msg = r"count\(\) takes no keyword arguments"
self.assertRaisesRegex(TypeError, msg, [].count, x=2, y=2)
if __name__ == "__main__":
unittest.main()