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Add tests for the writelines() method of file objects.

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Original patch by Felipe Cruz.
This commit is contained in:
Antoine Pitrou 2012-10-16 22:57:11 +02:00
parent ce5a56e985
commit 78e761eafe
2 changed files with 44 additions and 0 deletions
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23
Lib/test/test_io.py
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@ -34,6 +34,7 @@ import signal
import errno
from itertools import cycle, count
from collections import deque
from UserList import UserList
from test import test_support as support
import codecs
@ -1126,6 +1127,28 @@ class BufferedWriterTest(unittest.TestCase, CommonBufferedTests):
bufio.flush()
self.assertEqual(b"abc", writer._write_stack[0])
def test_writelines(self):
l = [b'ab', b'cd', b'ef']
writer = self.MockRawIO()
bufio = self.tp(writer, 8)
bufio.writelines(l)
bufio.flush()
self.assertEqual(b''.join(writer._write_stack), b'abcdef')
def test_writelines_userlist(self):
l = UserList([b'ab', b'cd', b'ef'])
writer = self.MockRawIO()
bufio = self.tp(writer, 8)
bufio.writelines(l)
bufio.flush()
self.assertEqual(b''.join(writer._write_stack), b'abcdef')
def test_writelines_error(self):
writer = self.MockRawIO()
bufio = self.tp(writer, 8)
self.assertRaises(TypeError, bufio.writelines, [1, 2, 3])
self.assertRaises(TypeError, bufio.writelines, None)
def test_destructor(self):
writer = self.MockRawIO()
bufio = self.tp(writer, 8)