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Diffstat (limited to 'Lib/test/test_csv.py')
| -rw-r--r-- | Lib/test/test_csv.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py index 29e54f789a0..2c4b78305df 100644 --- a/Lib/test/test_csv.py +++ b/Lib/test/test_csv.py @@ -535,8 +535,12 @@ class TestDictFields(unittest.TestCase): def test_write_simple_dict(self): with TemporaryFile("w+", newline='') as fileobj: writer = csv.DictWriter(fileobj, fieldnames = ["f1", "f2", "f3"]) + writer.writeheader() + fileobj.seek(0) + self.assertEqual(fileobj.readline(), "f1,f2,f3\r\n") writer.writerow({"f1": 10, "f3": "abc"}) fileobj.seek(0) + fileobj.readline() # header self.assertEqual(fileobj.read(), "10,,abc\r\n") def test_write_no_fields(self): |