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(Merge 3.3) Issue #18829: Add tests for the csv module for invalid characters

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(delimiter, escapechar, quotechar)
This commit is contained in:
Victor Stinner 2014-01-02 12:53:50 +01:00
commit 009771ee6b
1 changed files with 14 additions and 0 deletions
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14
Lib/test/test_csv.py
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@ -837,6 +837,20 @@ class TestDialectValidity(unittest.TestCase):
self.assertEqual(str(cm.exception),
'"lineterminator" must be a string')
def test_invalid_chars(self):
def create_invalid(field_name, value):
class mydialect(csv.Dialect):
pass
setattr(mydialect, field_name, value)
d = mydialect()
for field_name in ("delimiter", "escapechar", "quotechar"):
with self.subTest(field_name=field_name):
self.assertRaises(csv.Error, create_invalid, field_name, "")
self.assertRaises(csv.Error, create_invalid, field_name, "abc")
self.assertRaises(csv.Error, create_invalid, field_name, b'x')
self.assertRaises(csv.Error, create_invalid, field_name, 5)
class TestSniffer(unittest.TestCase):
sample1 = """\