Lines Matching refs:self

82     def setUp(self):
83 fd, self.filename = tempfile.mkstemp()
86 def tearDown(self):
87 unlink(self.filename)
93 def createTempFile(self, streams=1, suffix=b""):
94 with open(self.filename, "wb") as f:
95 f.write(self.DATA * streams)
98 def testBadArgs(self):
99 self.assertRaises(TypeError, BZ2File, 123.456)
100 self.assertRaises(ValueError, BZ2File, os.devnull, "z")
101 self.assertRaises(ValueError, BZ2File, os.devnull, "rx")
102 self.assertRaises(ValueError, BZ2File, os.devnull, "rbt")
103 self.assertRaises(ValueError, BZ2File, os.devnull, compresslevel=0)
104 self.assertRaises(ValueError, BZ2File, os.devnull, compresslevel=10)
107 self.assertRaises(TypeError, BZ2File, os.devnull, "r", 3)
109 def testRead(self):
110 self.createTempFile()
111 with BZ2File(self.filename) as bz2f:
112 self.assertRaises(TypeError, bz2f.read, float())
113 self.assertEqual(bz2f.read(), self.TEXT)
115 def testReadBadFile(self):
116 self.createTempFile(streams=0, suffix=self.BAD_DATA)
117 with BZ2File(self.filename) as bz2f:
118 self.assertRaises(OSError, bz2f.read)
120 def testReadMultiStream(self):
121 self.createTempFile(streams=5)
122 with BZ2File(self.filename) as bz2f:
123 self.assertRaises(TypeError, bz2f.read, float())
124 self.assertEqual(bz2f.read(), self.TEXT * 5)
126 def testReadMonkeyMultiStream(self):
130 _compression.BUFFER_SIZE = len(self.DATA)
132 self.createTempFile(streams=5)
133 with BZ2File(self.filename) as bz2f:
134 self.assertRaises(TypeError, bz2f.read, float())
135 self.assertEqual(bz2f.read(), self.TEXT * 5)
139 def testReadTrailingJunk(self):
140 self.createTempFile(suffix=self.BAD_DATA)
141 with BZ2File(self.filename) as bz2f:
142 self.assertEqual(bz2f.read(), self.TEXT)
144 def testReadMultiStreamTrailingJunk(self):
145 self.createTempFile(streams=5, suffix=self.BAD_DATA)
146 with BZ2File(self.filename) as bz2f:
147 self.assertEqual(bz2f.read(), self.TEXT * 5)
149 def testRead0(self):
150 self.createTempFile()
151 with BZ2File(self.filename) as bz2f:
152 self.assertRaises(TypeError, bz2f.read, float())
153 self.assertEqual(bz2f.read(0), b"")
155 def testReadChunk10(self):
156 self.createTempFile()
157 with BZ2File(self.filename) as bz2f:
164 self.assertEqual(text, self.TEXT)
166 def testReadChunk10MultiStream(self):
167 self.createTempFile(streams=5)
168 with BZ2File(self.filename) as bz2f:
175 self.assertEqual(text, self.TEXT * 5)
177 def testRead100(self):
178 self.createTempFile()
179 with BZ2File(self.filename) as bz2f:
180 self.assertEqual(bz2f.read(100), self.TEXT[:100])
182 def testPeek(self):
183 self.createTempFile()
184 with BZ2File(self.filename) as bz2f:
186 self.assertNotEqual(len(pdata), 0)
187 self.assertTrue(self.TEXT.startswith(pdata))
188 self.assertEqual(bz2f.read(), self.TEXT)
190 def testReadInto(self):
191 self.createTempFile()
192 with BZ2File(self.filename) as bz2f:
195 self.assertEqual(bz2f.readinto(b), n)
196 self.assertEqual(b, self.TEXT[:n])
197 n = len(self.TEXT) - n
198 b = bytearray(len(self.TEXT))
199 self.assertEqual(bz2f.readinto(b), n)
200 self.assertEqual(b[:n], self.TEXT[-n:])
202 def testReadLine(self):
203 self.createTempFile()
204 with BZ2File(self.filename) as bz2f:
205 self.assertRaises(TypeError, bz2f.readline, None)
206 for line in self.TEXT_LINES:
207 self.assertEqual(bz2f.readline(), line)
209 def testReadLineMultiStream(self):
210 self.createTempFile(streams=5)
211 with BZ2File(self.filename) as bz2f:
212 self.assertRaises(TypeError, bz2f.readline, None)
213 for line in self.TEXT_LINES * 5:
214 self.assertEqual(bz2f.readline(), line)
216 def testReadLines(self):
217 self.createTempFile()
218 with BZ2File(self.filename) as bz2f:
219 self.assertRaises(TypeError, bz2f.readlines, None)
220 self.assertEqual(bz2f.readlines(), self.TEXT_LINES)
222 def testReadLinesMultiStream(self):
223 self.createTempFile(streams=5)
224 with BZ2File(self.filename) as bz2f:
225 self.assertRaises(TypeError, bz2f.readlines, None)
226 self.assertEqual(bz2f.readlines(), self.TEXT_LINES * 5)
228 def testIterator(self):
229 self.createTempFile()
230 with BZ2File(self.filename) as bz2f:
231 self.assertEqual(list(iter(bz2f)), self.TEXT_LINES)
233 def testIteratorMultiStream(self):
234 self.createTempFile(streams=5)
235 with BZ2File(self.filename) as bz2f:
236 self.assertEqual(list(iter(bz2f)), self.TEXT_LINES * 5)
238 def testClosedIteratorDeadlock(self):
240 self.createTempFile()
241 bz2f = BZ2File(self.filename)
243 self.assertRaises(ValueError, next, bz2f)
245 self.assertRaises(ValueError, bz2f.readlines)
247 def testWrite(self):
248 with BZ2File(self.filename, "w") as bz2f:
249 self.assertRaises(TypeError, bz2f.write)
250 bz2f.write(self.TEXT)
251 with open(self.filename, 'rb') as f:
252 self.assertEqual(ext_decompress(f.read()), self.TEXT)
254 def testWriteChunks10(self):
255 with BZ2File(self.filename, "w") as bz2f:
258 str = self.TEXT[n*10:(n+1)*10]
263 with open(self.filename, 'rb') as f:
264 self.assertEqual(ext_decompress(f.read()), self.TEXT)
266 def testWriteNonDefaultCompressLevel(self):
267 expected = bz2.compress(self.TEXT, compresslevel=5)
268 with BZ2File(self.filename, "w", compresslevel=5) as bz2f:
269 bz2f.write(self.TEXT)
270 with open(self.filename, "rb") as f:
271 self.assertEqual(f.read(), expected)
273 def testWriteLines(self):
274 with BZ2File(self.filename, "w") as bz2f:
275 self.assertRaises(TypeError, bz2f.writelines)
276 bz2f.writelines(self.TEXT_LINES)
279 self.assertRaises(ValueError, bz2f.writelines, ["a"])
280 with open(self.filename, 'rb') as f:
281 self.assertEqual(ext_decompress(f.read()), self.TEXT)
283 def testWriteMethodsOnReadOnlyFile(self):
284 with BZ2File(self.filename, "w") as bz2f:
287 with BZ2File(self.filename, "r") as bz2f:
288 self.assertRaises(OSError, bz2f.write, b"a")
289 self.assertRaises(OSError, bz2f.writelines, [b"a"])
291 def testAppend(self):
292 with BZ2File(self.filename, "w") as bz2f:
293 self.assertRaises(TypeError, bz2f.write)
294 bz2f.write(self.TEXT)
295 with BZ2File(self.filename, "a") as bz2f:
296 self.assertRaises(TypeError, bz2f.write)
297 bz2f.write(self.TEXT)
298 with open(self.filename, 'rb') as f:
299 self.assertEqual(ext_decompress(f.read()), self.TEXT * 2)
301 def testSeekForward(self):
302 self.createTempFile()
303 with BZ2File(self.filename) as bz2f:
304 self.assertRaises(TypeError, bz2f.seek)
306 self.assertEqual(bz2f.read(), self.TEXT[150:])
308 def testSeekForwardAcrossStreams(self):
309 self.createTempFile(streams=2)
310 with BZ2File(self.filename) as bz2f:
311 self.assertRaises(TypeError, bz2f.seek)
312 bz2f.seek(len(self.TEXT) + 150)
313 self.assertEqual(bz2f.read(), self.TEXT[150:])
315 def testSeekBackwards(self):
316 self.createTempFile()
317 with BZ2File(self.filename) as bz2f:
320 self.assertEqual(bz2f.read(), self.TEXT[500-150:])
322 def testSeekBackwardsAcrossStreams(self):
323 self.createTempFile(streams=2)
324 with BZ2File(self.filename) as bz2f:
325 readto = len(self.TEXT) + 100
329 self.assertEqual(bz2f.read(), self.TEXT[100-150:] + self.TEXT)
331 def testSeekBackwardsFromEnd(self):
332 self.createTempFile()
333 with BZ2File(self.filename) as bz2f:
335 self.assertEqual(bz2f.read(), self.TEXT[len(self.TEXT)-150:])
337 def testSeekBackwardsFromEndAcrossStreams(self):
338 self.createTempFile(streams=2)
339 with BZ2File(self.filename) as bz2f:
341 self.assertEqual(bz2f.read(), (self.TEXT * 2)[-1000:])
343 def testSeekPostEnd(self):
344 self.createTempFile()
345 with BZ2File(self.filename) as bz2f:
347 self.assertEqual(bz2f.tell(), len(self.TEXT))
348 self.assertEqual(bz2f.read(), b"")
350 def testSeekPostEndMultiStream(self):
351 self.createTempFile(streams=5)
352 with BZ2File(self.filename) as bz2f:
354 self.assertEqual(bz2f.tell(), len(self.TEXT) * 5)
355 self.assertEqual(bz2f.read(), b"")
357 def testSeekPostEndTwice(self):
358 self.createTempFile()
359 with BZ2File(self.filename) as bz2f:
362 self.assertEqual(bz2f.tell(), len(self.TEXT))
363 self.assertEqual(bz2f.read(), b"")
365 def testSeekPostEndTwiceMultiStream(self):
366 self.createTempFile(streams=5)
367 with BZ2File(self.filename) as bz2f:
370 self.assertEqual(bz2f.tell(), len(self.TEXT) * 5)
371 self.assertEqual(bz2f.read(), b"")
373 def testSeekPreStart(self):
374 self.createTempFile()
375 with BZ2File(self.filename) as bz2f:
377 self.assertEqual(bz2f.tell(), 0)
378 self.assertEqual(bz2f.read(), self.TEXT)
380 def testSeekPreStartMultiStream(self):
381 self.createTempFile(streams=2)
382 with BZ2File(self.filename) as bz2f:
384 self.assertEqual(bz2f.tell(), 0)
385 self.assertEqual(bz2f.read(), self.TEXT * 2)
387 def testFileno(self):
388 self.createTempFile()
389 with open(self.filename, 'rb') as rawf:
392 self.assertEqual(bz2f.fileno(), rawf.fileno())
395 self.assertRaises(ValueError, bz2f.fileno)
397 def testSeekable(self):
398 bz2f = BZ2File(BytesIO(self.DATA))
400 self.assertTrue(bz2f.seekable())
402 self.assertTrue(bz2f.seekable())
405 self.assertRaises(ValueError, bz2f.seekable)
409 self.assertFalse(bz2f.seekable())
412 self.assertRaises(ValueError, bz2f.seekable)
414 src = BytesIO(self.DATA)
418 self.assertFalse(bz2f.seekable())
421 self.assertRaises(ValueError, bz2f.seekable)
423 def testReadable(self):
424 bz2f = BZ2File(BytesIO(self.DATA))
426 self.assertTrue(bz2f.readable())
428 self.assertTrue(bz2f.readable())
431 self.assertRaises(ValueError, bz2f.readable)
435 self.assertFalse(bz2f.readable())
438 self.assertRaises(ValueError, bz2f.readable)
440 def testWritable(self):
441 bz2f = BZ2File(BytesIO(self.DATA))
443 self.assertFalse(bz2f.writable())
445 self.assertFalse(bz2f.writable())
448 self.assertRaises(ValueError, bz2f.writable)
452 self.assertTrue(bz2f.writable())
455 self.assertRaises(ValueError, bz2f.writable)
457 def testOpenDel(self):
458 self.createTempFile()
460 o = BZ2File(self.filename)
463 def testOpenNonexistent(self):
464 self.assertRaises(OSError, BZ2File, "/non/existent")
466 def testReadlinesNoNewline(self):
469 with open(self.filename, "wb") as f:
471 with BZ2File(self.filename) as bz2f:
473 self.assertEqual(lines, [b'Test'])
474 with BZ2File(self.filename) as bz2f:
476 self.assertEqual(xlines, [b'Test'])
478 def testContextProtocol(self):
480 with BZ2File(self.filename, "wb") as f:
482 f = BZ2File(self.filename, "rb")
490 self.fail("__enter__ on a closed file didn't raise an exception")
492 with BZ2File(self.filename, "wb") as f:
497 self.fail("1/0 didn't raise an exception")
500 def testThreading(self):
504 with BZ2File(self.filename, 'wb') as f:
512 def testMixedIterationAndReads(self):
513 self.createTempFile()
514 linelen = len(self.TEXT_LINES[0])
516 with BZ2File(self.filename) as bz2f:
518 self.assertEqual(next(bz2f), self.TEXT_LINES[0][halflen:])
519 self.assertEqual(bz2f.read(), self.TEXT[linelen:])
520 with BZ2File(self.filename) as bz2f:
522 self.assertEqual(next(bz2f), self.TEXT_LINES[1])
523 self.assertEqual(bz2f.readline(), self.TEXT_LINES[2])
524 with BZ2File(self.filename) as bz2f:
526 self.assertRaises(StopIteration, next, bz2f)
527 self.assertEqual(bz2f.readlines(), [])
529 def testMultiStreamOrdering(self):
533 with BZ2File(self.filename, "w") as bz2f:
535 with BZ2File(self.filename, "a") as bz2f:
537 with BZ2File(self.filename) as bz2f:
538 self.assertEqual(bz2f.read(), data1 + data2)
540 def testOpenBytesFilename(self):
541 str_filename = self.filename
545 self.skipTest("Temporary file name needs to be ASCII")
547 f.write(self.DATA)
549 self.assertEqual(f.read(), self.DATA)
552 self.assertEqual(f.read(), self.DATA)
554 def testOpenPathLikeFilename(self):
555 filename = pathlib.Path(self.filename)
557 f.write(self.DATA)
559 self.assertEqual(f.read(), self.DATA)
561 def testDecompressLimited(self):
564 self.assertLess(len(bomb), _compression.BUFFER_SIZE)
567 self.assertEqual(decomp.read(1), b'\0')
569 self.assertLessEqual(decomp._buffer.raw.tell(), max_decomp,
575 def testReadBytesIO(self):
576 with BytesIO(self.DATA) as bio:
578 self.assertRaises(TypeError, bz2f.read, float())
579 self.assertEqual(bz2f.read(), self.TEXT)
580 self.assertFalse(bio.closed)
582 def testPeekBytesIO(self):
583 with BytesIO(self.DATA) as bio:
586 self.assertNotEqual(len(pdata), 0)
587 self.assertTrue(self.TEXT.startswith(pdata))
588 self.assertEqual(bz2f.read(), self.TEXT)
590 def testWriteBytesIO(self):
593 self.assertRaises(TypeError, bz2f.write)
594 bz2f.write(self.TEXT)
595 self.assertEqual(ext_decompress(bio.getvalue()), self.TEXT)
596 self.assertFalse(bio.closed)
598 def testSeekForwardBytesIO(self):
599 with BytesIO(self.DATA) as bio:
601 self.assertRaises(TypeError, bz2f.seek)
603 self.assertEqual(bz2f.read(), self.TEXT[150:])
605 def testSeekBackwardsBytesIO(self):
606 with BytesIO(self.DATA) as bio:
610 self.assertEqual(bz2f.read(), self.TEXT[500-150:])
612 def test_read_truncated(self):
614 truncated = self.DATA[:-10]
616 self.assertRaises(EOFError, f.read)
618 self.assertEqual(f.read(len(self.TEXT)), self.TEXT)
619 self.assertRaises(EOFError, f.read, 1)
623 self.assertRaises(EOFError, f.read, 1)
625 def test_issue44439(self):
630 self.assertEqual(f.write(q), LENGTH)
631 self.assertEqual(f.tell(), LENGTH)
635 def testCompress(self):
637 self.assertRaises(TypeError, bz2c.compress)
638 data = bz2c.compress(self.TEXT)
640 self.assertEqual(ext_decompress(data), self.TEXT)
642 def testCompressEmptyString(self):
646 self.assertEqual(data, self.EMPTY_DATA)
648 def testCompressChunks10(self):
653 str = self.TEXT[n*10:(n+1)*10]
659 self.assertEqual(ext_decompress(data), self.TEXT)
663 def testCompress4G(self, size):
674 self.assertEqual(len(data), size)
675 self.assertEqual(len(data.strip(b"x")), 0)
679 def testPickle(self):
681 with self.assertRaises(TypeError):
686 def test_Constructor(self):
687 self.assertRaises(TypeError, BZ2Decompressor, 42)
689 def testDecompress(self):
691 self.assertRaises(TypeError, bz2d.decompress)
692 text = bz2d.decompress(self.DATA)
693 self.assertEqual(text, self.TEXT)
695 def testDecompressChunks10(self):
700 str = self.DATA[n*10:(n+1)*10]
705 self.assertEqual(text, self.TEXT)
707 def testDecompressUnusedData(self):
710 text = bz2d.decompress(self.DATA+unused_data)
711 self.assertEqual(text, self.TEXT)
712 self.assertEqual(bz2d.unused_data, unused_data)
714 def testEOFError(self):
716 text = bz2d.decompress(self.DATA)
717 self.assertRaises(EOFError, bz2d.decompress, b"anything")
718 self.assertRaises(EOFError, bz2d.decompress, b"")
722 def testDecompress4G(self, size):
731 self.assertTrue(decompressed == data)
737 def testPickle(self):
739 with self.assertRaises(TypeError):
742 def testDecompressorChunksMaxsize(self):
748 len_ = len(self.BIG_DATA) - 64
749 out.append(bzd.decompress(self.BIG_DATA[:len_],
751 self.assertFalse(bzd.needs_input)
752 self.assertEqual(len(out[-1]), max_length)
756 self.assertFalse(bzd.needs_input)
757 self.assertEqual(len(out[-1]), max_length)
760 out.append(bzd.decompress(self.BIG_DATA[len_:],
762 self.assertLessEqual(len(out[-1]), max_length)
767 self.assertLessEqual(len(out[-1]), max_length)
770 self.assertEqual(out, self.BIG_TEXT)
771 self.assertEqual(bzd.unused_data, b"")
773 def test_decompressor_inputbuf_1(self):
780 self.assertEqual(bzd.decompress(self.DATA[:100],
789 out.append(bzd.decompress(self.DATA[100:105], 15))
792 out.append(bzd.decompress(self.DATA[105:]))
793 self.assertEqual(b''.join(out), self.TEXT)
795 def test_decompressor_inputbuf_2(self):
802 self.assertEqual(bzd.decompress(self.DATA[:200],
807 out.append(bzd.decompress(self.DATA[200:280], 2))
810 out.append(bzd.decompress(self.DATA[280:300], 2))
813 out.append(bzd.decompress(self.DATA[300:]))
814 self.assertEqual(b''.join(out), self.TEXT)
816 def test_decompressor_inputbuf_3(self):
823 out.append(bzd.decompress(self.DATA[:200], 5))
826 out.append(bzd.decompress(self.DATA[200:300], 5))
829 out.append(bzd.decompress(self.DATA[300:]))
830 self.assertEqual(b''.join(out), self.TEXT)
832 def test_failure(self):
834 self.assertRaises(Exception, bzd.decompress, self.BAD_DATA * 30)
836 self.assertRaises(Exception, bzd.decompress, self.BAD_DATA * 30)
839 def test_refleaks_in___init__(self):
845 self.assertAlmostEqual(gettotalrefcount() - refs_before, 0, delta=10)
849 def testCompress(self):
850 data = bz2.compress(self.TEXT)
851 self.assertEqual(ext_decompress(data), self.TEXT)
853 def testCompressEmptyString(self):
855 self.assertEqual(text, self.EMPTY_DATA)
857 def testDecompress(self):
858 text = bz2.decompress(self.DATA)
859 self.assertEqual(text, self.TEXT)
861 def testDecompressEmpty(self):
863 self.assertEqual(text, b"")
865 def testDecompressToEmptyString(self):
866 text = bz2.decompress(self.EMPTY_DATA)
867 self.assertEqual(text, b'')
869 def testDecompressIncomplete(self):
870 self.assertRaises(ValueError, bz2.decompress, self.DATA[:-10])
872 def testDecompressBadData(self):
873 self.assertRaises(OSError, bz2.decompress, self.BAD_DATA)
875 def testDecompressMultiStream(self):
876 text = bz2.decompress(self.DATA * 5)
877 self.assertEqual(text, self.TEXT * 5)
879 def testDecompressTrailingJunk(self):
880 text = bz2.decompress(self.DATA + self.BAD_DATA)
881 self.assertEqual(text, self.TEXT)
883 def testDecompressMultiStreamTrailingJunk(self):
884 text = bz2.decompress(self.DATA * 5 + self.BAD_DATA)
885 self.assertEqual(text, self.TEXT * 5)
891 def open(self, *args, **kwargs):
894 def test_binary_modes(self):
897 unlink(self.filename)
898 with self.open(self.filename, mode) as f:
899 f.write(self.TEXT)
900 with open(self.filename, "rb") as f:
902 self.assertEqual(file_data, self.TEXT)
903 with self.open(self.filename, "rb") as f:
904 self.assertEqual(f.read(), self.TEXT)
905 with self.open(self.filename, "ab") as f:
906 f.write(self.TEXT)
907 with open(self.filename, "rb") as f:
909 self.assertEqual(file_data, self.TEXT * 2)
911 def test_implicit_binary_modes(self):
915 unlink(self.filename)
916 with self.open(self.filename, mode) as f:
917 f.write(self.TEXT)
918 with open(self.filename, "rb") as f:
920 self.assertEqual(file_data, self.TEXT)
921 with self.open(self.filename, "r") as f:
922 self.assertEqual(f.read(), self.TEXT)
923 with self.open(self.filename, "a") as f:
924 f.write(self.TEXT)
925 with open(self.filename, "rb") as f:
927 self.assertEqual(file_data, self.TEXT * 2)
929 def test_text_modes(self):
930 text = self.TEXT.decode("ascii")
934 unlink(self.filename)
935 with self.open(self.filename, mode, encoding="ascii") as f:
937 with open(self.filename, "rb") as f:
939 self.assertEqual(file_data, text_native_eol)
940 with self.open(self.filename, "rt", encoding="ascii") as f:
941 self.assertEqual(f.read(), text)
942 with self.open(self.filename, "at", encoding="ascii") as f:
944 with open(self.filename, "rb") as f:
946 self.assertEqual(file_data, text_native_eol * 2)
948 def test_x_mode(self):
950 unlink(self.filename)
952 with self.open(self.filename, mode, encoding=encoding) as f:
954 with self.assertRaises(FileExistsError):
955 with self.open(self.filename, mode) as f:
958 def test_fileobj(self):
959 with self.open(BytesIO(self.DATA), "r") as f:
960 self.assertEqual(f.read(), self.TEXT)
961 with self.open(BytesIO(self.DATA), "rb") as f:
962 self.assertEqual(f.read(), self.TEXT)
963 text = self.TEXT.decode("ascii")
964 with self.open(BytesIO(self.DATA), "rt", encoding="utf-8") as f:
965 self.assertEqual(f.read(), text)
967 def test_bad_params(self):
969 self.assertRaises(ValueError,
970 self.open, self.filename, "wbt")
971 self.assertRaises(ValueError,
972 self.open, self.filename, "xbt")
973 self.assertRaises(ValueError,
974 self.open, self.filename, "rb", encoding="utf-8")
975 self.assertRaises(ValueError,
976 self.open, self.filename, "rb", errors="ignore")
977 self.assertRaises(ValueError,
978 self.open, self.filename, "rb", newline="\n")
980 def test_encoding(self):
982 text = self.TEXT.decode("ascii")
984 with self.open(self.filename, "wt", encoding="utf-16-le") as f:
986 with open(self.filename, "rb") as f:
988 self.assertEqual(file_data, text_native_eol)
989 with self.open(self.filename, "rt", encoding="utf-16-le") as f:
990 self.assertEqual(f.read(), text)
992 def test_encoding_error_handler(self):
994 with self.open(self.filename, "wb") as f:
996 with self.open(self.filename, "rt", encoding="ascii", errors="ignore") \
998 self.assertEqual(f.read(), "foobar")
1000 def test_newline(self):
1002 text = self.TEXT.decode("ascii")
1003 with self.open(self.filename, "wt", encoding="utf-8", newline="\n") as f:
1005 with self.open(self.filename, "rt", encoding="utf-8", newline="\r") as f:
1006 self.assertEqual(f.readlines(), [text])