diff options
Diffstat (limited to 'lib/python2.7/test/test_bz2.py')
| -rw-r--r-- | lib/python2.7/test/test_bz2.py | 482 |
1 files changed, 0 insertions, 482 deletions
diff --git a/lib/python2.7/test/test_bz2.py b/lib/python2.7/test/test_bz2.py deleted file mode 100644 index 1275114..0000000 --- a/lib/python2.7/test/test_bz2.py +++ /dev/null @@ -1,482 +0,0 @@ -#!/usr/bin/env python -from test import test_support -from test.test_support import TESTFN, _4G, bigmemtest, import_module, findfile - -import unittest -from cStringIO import StringIO -import os -import subprocess -import sys - -try: - import threading -except ImportError: - threading = None - -bz2 = import_module('bz2') -from bz2 import BZ2File, BZ2Compressor, BZ2Decompressor - -has_cmdline_bunzip2 = sys.platform not in ("win32", "os2emx", "riscos") - -class BaseTest(unittest.TestCase): - "Base for other testcases." - TEXT = 'root:x:0:0:root:/root:/bin/bash\nbin:x:1:1:bin:/bin:\ndaemon:x:2:2:daemon:/sbin:\nadm:x:3:4:adm:/var/adm:\nlp:x:4:7:lp:/var/spool/lpd:\nsync:x:5:0:sync:/sbin:/bin/sync\nshutdown:x:6:0:shutdown:/sbin:/sbin/shutdown\nhalt:x:7:0:halt:/sbin:/sbin/halt\nmail:x:8:12:mail:/var/spool/mail:\nnews:x:9:13:news:/var/spool/news:\nuucp:x:10:14:uucp:/var/spool/uucp:\noperator:x:11:0:operator:/root:\ngames:x:12:100:games:/usr/games:\ngopher:x:13:30:gopher:/usr/lib/gopher-data:\nftp:x:14:50:FTP User:/var/ftp:/bin/bash\nnobody:x:65534:65534:Nobody:/home:\npostfix:x:100:101:postfix:/var/spool/postfix:\nniemeyer:x:500:500::/home/niemeyer:/bin/bash\npostgres:x:101:102:PostgreSQL Server:/var/lib/pgsql:/bin/bash\nmysql:x:102:103:MySQL server:/var/lib/mysql:/bin/bash\nwww:x:103:104::/var/www:/bin/false\n' - DATA = 'BZh91AY&SY.\xc8N\x18\x00\x01>_\x80\x00\x10@\x02\xff\xf0\x01\x07n\x00?\xe7\xff\xe00\x01\x99\xaa\x00\xc0\x03F\x86\x8c#&\x83F\x9a\x03\x06\xa6\xd0\xa6\x93M\x0fQ\xa7\xa8\x06\x804hh\x12$\x11\xa4i4\xf14S\xd2<Q\xb5\x0fH\xd3\xd4\xdd\xd5\x87\xbb\xf8\x94\r\x8f\xafI\x12\xe1\xc9\xf8/E\x00pu\x89\x12]\xc9\xbbDL\nQ\x0e\t1\x12\xdf\xa0\xc0\x97\xac2O9\x89\x13\x94\x0e\x1c7\x0ed\x95I\x0c\xaaJ\xa4\x18L\x10\x05#\x9c\xaf\xba\xbc/\x97\x8a#C\xc8\xe1\x8cW\xf9\xe2\xd0\xd6M\xa7\x8bXa<e\x84t\xcbL\xb3\xa7\xd9\xcd\xd1\xcb\x84.\xaf\xb3\xab\xab\xad`n}\xa0lh\tE,\x8eZ\x15\x17VH>\x88\xe5\xcd9gd6\x0b\n\xe9\x9b\xd5\x8a\x99\xf7\x08.K\x8ev\xfb\xf7xw\xbb\xdf\xa1\x92\xf1\xdd|/";\xa2\xba\x9f\xd5\xb1#A\xb6\xf6\xb3o\xc9\xc5y\\\xebO\xe7\x85\x9a\xbc\xb6f8\x952\xd5\xd7"%\x89>V,\xf7\xa6z\xe2\x9f\xa3\xdf\x11\x11"\xd6E)I\xa9\x13^\xca\xf3r\xd0\x03U\x922\xf26\xec\xb6\xed\x8b\xc3U\x13\x9d\xc5\x170\xa4\xfa^\x92\xacDF\x8a\x97\xd6\x19\xfe\xdd\xb8\xbd\x1a\x9a\x19\xa3\x80ankR\x8b\xe5\xd83]\xa9\xc6\x08\x82f\xf6\xb9"6l$\xb8j@\xc0\x8a\xb0l1..\xbak\x83ls\x15\xbc\xf4\xc1\x13\xbe\xf8E\xb8\x9d\r\xa8\x9dk\x84\xd3n\xfa\xacQ\x07\xb1%y\xaav\xb4\x08\xe0z\x1b\x16\xf5\x04\xe9\xcc\xb9\x08z\x1en7.G\xfc]\xc9\x14\xe1B@\xbb!8`' - DATA_CRLF = 'BZh91AY&SY\xaez\xbbN\x00\x01H\xdf\x80\x00\x12@\x02\xff\xf0\x01\x07n\x00?\xe7\xff\xe0@\x01\xbc\xc6`\x86*\x8d=M\xa9\x9a\x86\xd0L@\x0fI\xa6!\xa1\x13\xc8\x88jdi\x8d@\x03@\x1a\x1a\x0c\x0c\x83 \x00\xc4h2\x19\x01\x82D\x84e\t\xe8\x99\x89\x19\x1ah\x00\r\x1a\x11\xaf\x9b\x0fG\xf5(\x1b\x1f?\t\x12\xcf\xb5\xfc\x95E\x00ps\x89\x12^\xa4\xdd\xa2&\x05(\x87\x04\x98\x89u\xe40%\xb6\x19\'\x8c\xc4\x89\xca\x07\x0e\x1b!\x91UIFU%C\x994!DI\xd2\xfa\xf0\xf1N8W\xde\x13A\xf5\x9cr%?\x9f3;I45A\xd1\x8bT\xb1<l\xba\xcb_\xc00xY\x17r\x17\x88\x08\x08@\xa0\ry@\x10\x04$)`\xf2\xce\x89z\xb0s\xec\x9b.iW\x9d\x81\xb5-+t\x9f\x1a\'\x97dB\xf5x\xb5\xbe.[.\xd7\x0e\x81\xe7\x08\x1cN`\x88\x10\xca\x87\xc3!"\x80\x92R\xa1/\xd1\xc0\xe6mf\xac\xbd\x99\xcca\xb3\x8780>\xa4\xc7\x8d\x1a\\"\xad\xa1\xabyBg\x15\xb9l\x88\x88\x91k"\x94\xa4\xd4\x89\xae*\xa6\x0b\x10\x0c\xd6\xd4m\xe86\xec\xb5j\x8a\x86j\';\xca.\x01I\xf2\xaaJ\xe8\x88\x8cU+t3\xfb\x0c\n\xa33\x13r2\r\x16\xe0\xb3(\xbf\x1d\x83r\xe7M\xf0D\x1365\xd8\x88\xd3\xa4\x92\xcb2\x06\x04\\\xc1\xb0\xea//\xbek&\xd8\xe6+t\xe5\xa1\x13\xada\x16\xder5"w]\xa2i\xb7[\x97R \xe2IT\xcd;Z\x04dk4\xad\x8a\t\xd3\x81z\x10\xf1:^`\xab\x1f\xc5\xdc\x91N\x14$+\x9e\xae\xd3\x80' - EMPTY_DATA = 'BZh9\x17rE8P\x90\x00\x00\x00\x00' - - if has_cmdline_bunzip2: - def decompress(self, data): - pop = subprocess.Popen("bunzip2", shell=True, - stdin=subprocess.PIPE, - stdout=subprocess.PIPE, - stderr=subprocess.STDOUT) - pop.stdin.write(data) - pop.stdin.close() - ret = pop.stdout.read() - pop.stdout.close() - if pop.wait() != 0: - ret = bz2.decompress(data) - return ret - - else: - # bunzip2 isn't available to run on Windows. - def decompress(self, data): - return bz2.decompress(data) - - -class BZ2FileTest(BaseTest): - "Test BZ2File type miscellaneous methods." - - def setUp(self): - self.filename = TESTFN - - def tearDown(self): - if os.path.isfile(self.filename): - os.unlink(self.filename) - - def createTempFile(self, crlf=0): - with open(self.filename, "wb") as f: - if crlf: - data = self.DATA_CRLF - else: - data = self.DATA - f.write(data) - - def testRead(self): - # "Test BZ2File.read()" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - self.assertRaises(TypeError, bz2f.read, None) - self.assertEqual(bz2f.read(), self.TEXT) - - def testRead0(self): - # Test BBZ2File.read(0)" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - self.assertRaises(TypeError, bz2f.read, None) - self.assertEqual(bz2f.read(0), "") - - def testReadChunk10(self): - # "Test BZ2File.read() in chunks of 10 bytes" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - text = '' - while 1: - str = bz2f.read(10) - if not str: - break - text += str - self.assertEqual(text, self.TEXT) - - def testRead100(self): - # "Test BZ2File.read(100)" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - self.assertEqual(bz2f.read(100), self.TEXT[:100]) - - def testReadLine(self): - # "Test BZ2File.readline()" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - self.assertRaises(TypeError, bz2f.readline, None) - sio = StringIO(self.TEXT) - for line in sio.readlines(): - self.assertEqual(bz2f.readline(), line) - - def testReadLines(self): - # "Test BZ2File.readlines()" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - self.assertRaises(TypeError, bz2f.readlines, None) - sio = StringIO(self.TEXT) - self.assertEqual(bz2f.readlines(), sio.readlines()) - - def testIterator(self): - # "Test iter(BZ2File)" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - sio = StringIO(self.TEXT) - self.assertEqual(list(iter(bz2f)), sio.readlines()) - - def testClosedIteratorDeadlock(self): - # "Test that iteration on a closed bz2file releases the lock." - # http://bugs.python.org/issue3309 - self.createTempFile() - bz2f = BZ2File(self.filename) - bz2f.close() - self.assertRaises(ValueError, bz2f.next) - # This call will deadlock of the above .next call failed to - # release the lock. - self.assertRaises(ValueError, bz2f.readlines) - - def testXReadLines(self): - # "Test BZ2File.xreadlines()" - self.createTempFile() - bz2f = BZ2File(self.filename) - sio = StringIO(self.TEXT) - self.assertEqual(list(bz2f.xreadlines()), sio.readlines()) - bz2f.close() - - def testUniversalNewlinesLF(self): - # "Test BZ2File.read() with universal newlines (\\n)" - self.createTempFile() - bz2f = BZ2File(self.filename, "rU") - self.assertEqual(bz2f.read(), self.TEXT) - self.assertEqual(bz2f.newlines, "\n") - bz2f.close() - - def testUniversalNewlinesCRLF(self): - # "Test BZ2File.read() with universal newlines (\\r\\n)" - self.createTempFile(crlf=1) - bz2f = BZ2File(self.filename, "rU") - self.assertEqual(bz2f.read(), self.TEXT) - self.assertEqual(bz2f.newlines, "\r\n") - bz2f.close() - - def testWrite(self): - # "Test BZ2File.write()" - with BZ2File(self.filename, "w") as bz2f: - self.assertRaises(TypeError, bz2f.write) - bz2f.write(self.TEXT) - with open(self.filename, 'rb') as f: - self.assertEqual(self.decompress(f.read()), self.TEXT) - - def testWriteChunks10(self): - # "Test BZ2File.write() with chunks of 10 bytes" - with BZ2File(self.filename, "w") as bz2f: - n = 0 - while 1: - str = self.TEXT[n*10:(n+1)*10] - if not str: - break - bz2f.write(str) - n += 1 - with open(self.filename, 'rb') as f: - self.assertEqual(self.decompress(f.read()), self.TEXT) - - def testWriteLines(self): - # "Test BZ2File.writelines()" - with BZ2File(self.filename, "w") as bz2f: - self.assertRaises(TypeError, bz2f.writelines) - sio = StringIO(self.TEXT) - bz2f.writelines(sio.readlines()) - # patch #1535500 - self.assertRaises(ValueError, bz2f.writelines, ["a"]) - with open(self.filename, 'rb') as f: - self.assertEqual(self.decompress(f.read()), self.TEXT) - - def testWriteMethodsOnReadOnlyFile(self): - with BZ2File(self.filename, "w") as bz2f: - bz2f.write("abc") - - with BZ2File(self.filename, "r") as bz2f: - self.assertRaises(IOError, bz2f.write, "a") - self.assertRaises(IOError, bz2f.writelines, ["a"]) - - def testSeekForward(self): - # "Test BZ2File.seek(150, 0)" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - self.assertRaises(TypeError, bz2f.seek) - bz2f.seek(150) - self.assertEqual(bz2f.read(), self.TEXT[150:]) - - def testSeekBackwards(self): - # "Test BZ2File.seek(-150, 1)" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - bz2f.read(500) - bz2f.seek(-150, 1) - self.assertEqual(bz2f.read(), self.TEXT[500-150:]) - - def testSeekBackwardsFromEnd(self): - # "Test BZ2File.seek(-150, 2)" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - bz2f.seek(-150, 2) - self.assertEqual(bz2f.read(), self.TEXT[len(self.TEXT)-150:]) - - def testSeekPostEnd(self): - # "Test BZ2File.seek(150000)" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - bz2f.seek(150000) - self.assertEqual(bz2f.tell(), len(self.TEXT)) - self.assertEqual(bz2f.read(), "") - - def testSeekPostEndTwice(self): - # "Test BZ2File.seek(150000) twice" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - bz2f.seek(150000) - bz2f.seek(150000) - self.assertEqual(bz2f.tell(), len(self.TEXT)) - self.assertEqual(bz2f.read(), "") - - def testSeekPreStart(self): - # "Test BZ2File.seek(-150, 0)" - self.createTempFile() - with BZ2File(self.filename) as bz2f: - bz2f.seek(-150) - self.assertEqual(bz2f.tell(), 0) - self.assertEqual(bz2f.read(), self.TEXT) - - def testOpenDel(self): - # "Test opening and deleting a file many times" - self.createTempFile() - for i in xrange(10000): - o = BZ2File(self.filename) - del o - - def testOpenNonexistent(self): - # "Test opening a nonexistent file" - self.assertRaises(IOError, BZ2File, "/non/existent") - - def testModeU(self): - # Bug #1194181: bz2.BZ2File opened for write with mode "U" - self.createTempFile() - bz2f = BZ2File(self.filename, "U") - bz2f.close() - f = file(self.filename) - f.seek(0, 2) - self.assertEqual(f.tell(), len(self.DATA)) - f.close() - - def testBug1191043(self): - # readlines() for files containing no newline - data = 'BZh91AY&SY\xd9b\x89]\x00\x00\x00\x03\x80\x04\x00\x02\x00\x0c\x00 \x00!\x9ah3M\x13<]\xc9\x14\xe1BCe\x8a%t' - with open(self.filename, "wb") as f: - f.write(data) - with BZ2File(self.filename) as bz2f: - lines = bz2f.readlines() - self.assertEqual(lines, ['Test']) - with BZ2File(self.filename) as bz2f: - xlines = list(bz2f.readlines()) - self.assertEqual(xlines, ['Test']) - - def testContextProtocol(self): - # BZ2File supports the context management protocol - f = None - with BZ2File(self.filename, "wb") as f: - f.write(b"xxx") - f = BZ2File(self.filename, "rb") - f.close() - try: - with f: - pass - except ValueError: - pass - else: - self.fail("__enter__ on a closed file didn't raise an exception") - try: - with BZ2File(self.filename, "wb") as f: - 1 // 0 - except ZeroDivisionError: - pass - else: - self.fail("1 // 0 didn't raise an exception") - - @unittest.skipUnless(threading, 'Threading required for this test.') - def testThreading(self): - # Using a BZ2File from several threads doesn't deadlock (issue #7205). - data = "1" * 2**20 - nthreads = 10 - with bz2.BZ2File(self.filename, 'wb') as f: - def comp(): - for i in range(5): - f.write(data) - threads = [threading.Thread(target=comp) for i in range(nthreads)] - for t in threads: - t.start() - for t in threads: - t.join() - - def testMixedIterationReads(self): - # Issue #8397: mixed iteration and reads should be forbidden. - with bz2.BZ2File(self.filename, 'wb') as f: - # The internal buffer size is hard-wired to 8192 bytes, we must - # write out more than that for the test to stop half through - # the buffer. - f.write(self.TEXT * 100) - with bz2.BZ2File(self.filename, 'rb') as f: - next(f) - self.assertRaises(ValueError, f.read) - self.assertRaises(ValueError, f.readline) - self.assertRaises(ValueError, f.readlines) - -class BZ2CompressorTest(BaseTest): - def testCompress(self): - # "Test BZ2Compressor.compress()/flush()" - bz2c = BZ2Compressor() - self.assertRaises(TypeError, bz2c.compress) - data = bz2c.compress(self.TEXT) - data += bz2c.flush() - self.assertEqual(self.decompress(data), self.TEXT) - - def testCompressEmptyString(self): - # "Test BZ2Compressor.compress()/flush() of empty string" - bz2c = BZ2Compressor() - data = bz2c.compress('') - data += bz2c.flush() - self.assertEqual(data, self.EMPTY_DATA) - - def testCompressChunks10(self): - # "Test BZ2Compressor.compress()/flush() with chunks of 10 bytes" - bz2c = BZ2Compressor() - n = 0 - data = '' - while 1: - str = self.TEXT[n*10:(n+1)*10] - if not str: - break - data += bz2c.compress(str) - n += 1 - data += bz2c.flush() - self.assertEqual(self.decompress(data), self.TEXT) - - @bigmemtest(_4G, memuse=1.25) - def testBigmem(self, size): - text = "a" * size - bz2c = bz2.BZ2Compressor() - data = bz2c.compress(text) + bz2c.flush() - del text - text = self.decompress(data) - self.assertEqual(len(text), size) - self.assertEqual(text.strip("a"), "") - - -class BZ2DecompressorTest(BaseTest): - def test_Constructor(self): - self.assertRaises(TypeError, BZ2Decompressor, 42) - - def testDecompress(self): - # "Test BZ2Decompressor.decompress()" - bz2d = BZ2Decompressor() - self.assertRaises(TypeError, bz2d.decompress) - text = bz2d.decompress(self.DATA) - self.assertEqual(text, self.TEXT) - - def testDecompressChunks10(self): - # "Test BZ2Decompressor.decompress() with chunks of 10 bytes" - bz2d = BZ2Decompressor() - text = '' - n = 0 - while 1: - str = self.DATA[n*10:(n+1)*10] - if not str: - break - text += bz2d.decompress(str) - n += 1 - self.assertEqual(text, self.TEXT) - - def testDecompressUnusedData(self): - # "Test BZ2Decompressor.decompress() with unused data" - bz2d = BZ2Decompressor() - unused_data = "this is unused data" - text = bz2d.decompress(self.DATA+unused_data) - self.assertEqual(text, self.TEXT) - self.assertEqual(bz2d.unused_data, unused_data) - - def testEOFError(self): - # "Calling BZ2Decompressor.decompress() after EOS must raise EOFError" - bz2d = BZ2Decompressor() - text = bz2d.decompress(self.DATA) - self.assertRaises(EOFError, bz2d.decompress, "anything") - self.assertRaises(EOFError, bz2d.decompress, "") - - @bigmemtest(_4G, memuse=1.25) - def testBigmem(self, size): - # Issue #14398: decompression fails when output data is >=2GB. - if size < _4G: - self.skipTest("Test needs 5GB of memory to run.") - compressed = bz2.compress("a" * _4G) - text = bz2.BZ2Decompressor().decompress(compressed) - self.assertEqual(len(text), _4G) - self.assertEqual(text.strip("a"), "") - - -class FuncTest(BaseTest): - "Test module functions" - - def testCompress(self): - # "Test compress() function" - data = bz2.compress(self.TEXT) - self.assertEqual(self.decompress(data), self.TEXT) - - def testCompressEmptyString(self): - # "Test compress() of empty string" - text = bz2.compress('') - self.assertEqual(text, self.EMPTY_DATA) - - def testDecompress(self): - # "Test decompress() function" - text = bz2.decompress(self.DATA) - self.assertEqual(text, self.TEXT) - - def testDecompressEmpty(self): - # "Test decompress() function with empty string" - text = bz2.decompress("") - self.assertEqual(text, "") - - def testDecompressToEmptyString(self): - # "Test decompress() of minimal bz2 data to empty string" - text = bz2.decompress(self.EMPTY_DATA) - self.assertEqual(text, '') - - def testDecompressIncomplete(self): - # "Test decompress() function with incomplete data" - self.assertRaises(ValueError, bz2.decompress, self.DATA[:-10]) - - @bigmemtest(_4G, memuse=1.25) - def testCompressBigmem(self, size): - text = "a" * size - data = bz2.compress(text) - del text - text = self.decompress(data) - self.assertEqual(len(text), size) - self.assertEqual(text.strip("a"), "") - - @bigmemtest(_4G, memuse=1.25) - def testDecompressBigmem(self, size): - # Issue #14398: decompression fails when output data is >=2GB. - if size < _4G: - self.skipTest("Test needs 5GB of memory to run.") - compressed = bz2.compress("a" * _4G) - text = bz2.decompress(compressed) - self.assertEqual(len(text), _4G) - self.assertEqual(text.strip("a"), "") - -def test_main(): - test_support.run_unittest( - BZ2FileTest, - BZ2CompressorTest, - BZ2DecompressorTest, - FuncTest - ) - test_support.reap_children() - -if __name__ == '__main__': - test_main() - -# vim:ts=4:sw=4 |