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-rw-r--r--Lib/test/test_csv.py32
1 files changed, 22 insertions, 10 deletions
diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py
index 65449aebe4..8e9c2b479a 100644
--- a/Lib/test/test_csv.py
+++ b/Lib/test/test_csv.py
@@ -186,6 +186,14 @@ 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):
@@ -578,6 +586,16 @@ 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 +794,7 @@ 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 +817,13 @@ 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 +1084,5 @@ 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()