diff options
Diffstat (limited to 'Lib/test/test_csv.py')
| -rw-r--r-- | Lib/test/test_csv.py | 45 |
1 files changed, 35 insertions, 10 deletions
diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py index 65449ae..a90c7b2 100644 --- a/Lib/test/test_csv.py +++ b/Lib/test/test_csv.py @@ -1,6 +1,7 @@ # Copyright (C) 2001,2002 Python Software Foundation # csv package unit tests +import copy import io import sys import os @@ -9,6 +10,7 @@ from io import StringIO from tempfile import TemporaryFile import csv import gc +import pickle from test import support class Test_Csv(unittest.TestCase): @@ -186,6 +188,14 @@ class Test_Csv(unittest.TestCase): self._write_test(['a',1,'p,q'], 'a,1,p\\,q', escapechar='\\', quoting = csv.QUOTE_NONE) + def test_write_iterable(self): + self._write_test(iter(['a', 1, 'p,q']), 'a,1,"p,q"') + self._write_test(iter(['a', 1, None]), 'a,1,') + self._write_test(iter([]), '') + self._write_test(iter([None]), '""') + self._write_error_test(csv.Error, iter([None]), quoting=csv.QUOTE_NONE) + self._write_test(iter([None, None]), ',') + def test_writerows(self): class BrokenFile: def write(self, buf): @@ -416,6 +426,17 @@ class TestDialectRegistry(unittest.TestCase): self.assertRaises(TypeError, csv.reader, [], quoting = -1) self.assertRaises(TypeError, csv.reader, [], quoting = 100) + def test_copy(self): + for name in csv.list_dialects(): + dialect = csv.get_dialect(name) + self.assertRaises(TypeError, copy.copy, dialect) + + def test_pickle(self): + for name in csv.list_dialects(): + dialect = csv.get_dialect(name) + for proto in range(pickle.HIGHEST_PROTOCOL + 1): + self.assertRaises(TypeError, pickle.dumps, dialect, proto) + class TestCsvBase(unittest.TestCase): def readerAssertEqual(self, input, expected_result): with TemporaryFile("w+", newline='') as fileobj: @@ -578,6 +599,16 @@ class TestDictFields(unittest.TestCase): fileobj.readline() # header self.assertEqual(fileobj.read(), "10,,abc\r\n") + def test_write_multiple_dict_rows(self): + fileobj = StringIO() + writer = csv.DictWriter(fileobj, fieldnames=["f1", "f2", "f3"]) + writer.writeheader() + self.assertEqual(fileobj.getvalue(), "f1,f2,f3\r\n") + writer.writerows([{"f1": 1, "f2": "abc", "f3": "f"}, + {"f1": 2, "f2": 5, "f3": "xyz"}]) + self.assertEqual(fileobj.getvalue(), + "f1,f2,f3\r\n1,abc,f\r\n2,5,xyz\r\n") + def test_write_no_fields(self): fileobj = StringIO() self.assertRaises(TypeError, csv.DictWriter, fileobj) @@ -776,7 +807,7 @@ class TestDialectValidity(unittest.TestCase): with self.assertRaises(csv.Error) as cm: mydialect() self.assertEqual(str(cm.exception), - '"quotechar" must be an 1-character string') + '"quotechar" must be a 1-character string') mydialect.quotechar = 4 with self.assertRaises(csv.Error) as cm: @@ -799,13 +830,13 @@ class TestDialectValidity(unittest.TestCase): with self.assertRaises(csv.Error) as cm: mydialect() self.assertEqual(str(cm.exception), - '"delimiter" must be an 1-character string') + '"delimiter" must be a 1-character string') mydialect.delimiter = "" with self.assertRaises(csv.Error) as cm: mydialect() self.assertEqual(str(cm.exception), - '"delimiter" must be an 1-character string') + '"delimiter" must be a 1-character string') mydialect.delimiter = b"," with self.assertRaises(csv.Error) as cm: @@ -1066,11 +1097,5 @@ class TestUnicode(unittest.TestCase): self.assertEqual(fileobj.read(), expected) -def test_main(): - mod = sys.modules[__name__] - support.run_unittest( - *[getattr(mod, name) for name in dir(mod) if name.startswith('Test')] - ) - if __name__ == '__main__': - test_main() + unittest.main() |