Guido van Rossum | de3bc7c | 2007-03-08 01:02:00 +0000 | [diff] [blame] | 1 | # Adapted from test_file.py by Daniel Stutzbach |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 2 | |
| 3 | import sys |
| 4 | import os |
Eli Bendersky | 74c503b | 2012-01-03 06:26:13 +0200 | [diff] [blame] | 5 | import io |
Antoine Pitrou | 0ae29cf | 2009-03-13 22:33:17 +0000 | [diff] [blame] | 6 | import errno |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 7 | import unittest |
| 8 | from array import array |
| 9 | from weakref import proxy |
Kristján Valur Jónsson | a8abe86 | 2009-03-24 15:27:42 +0000 | [diff] [blame] | 10 | from functools import wraps |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 11 | |
Serhiy Storchaka | 5cfc79d | 2014-02-07 10:06:39 +0200 | [diff] [blame] | 12 | from test.support import TESTFN, check_warnings, run_unittest, make_bad_fd, cpython_only |
Antoine Pitrou | 131a489 | 2012-10-16 22:57:11 +0200 | [diff] [blame] | 13 | from collections import UserList |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 14 | |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 15 | from _io import FileIO as _FileIO |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 16 | |
| 17 | class AutoFileTests(unittest.TestCase): |
| 18 | # file tests for which a test file is automatically set up |
| 19 | |
| 20 | def setUp(self): |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 21 | self.f = _FileIO(TESTFN, 'w') |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 22 | |
| 23 | def tearDown(self): |
| 24 | if self.f: |
| 25 | self.f.close() |
| 26 | os.remove(TESTFN) |
| 27 | |
| 28 | def testWeakRefs(self): |
| 29 | # verify weak references |
| 30 | p = proxy(self.f) |
| 31 | p.write(bytes(range(10))) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 32 | self.assertEqual(self.f.tell(), p.tell()) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 33 | self.f.close() |
| 34 | self.f = None |
| 35 | self.assertRaises(ReferenceError, getattr, p, 'tell') |
| 36 | |
| 37 | def testSeekTell(self): |
| 38 | self.f.write(bytes(range(20))) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 39 | self.assertEqual(self.f.tell(), 20) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 40 | self.f.seek(0) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 41 | self.assertEqual(self.f.tell(), 0) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 42 | self.f.seek(10) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 43 | self.assertEqual(self.f.tell(), 10) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 44 | self.f.seek(5, 1) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 45 | self.assertEqual(self.f.tell(), 15) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 46 | self.f.seek(-5, 1) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 47 | self.assertEqual(self.f.tell(), 10) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 48 | self.f.seek(-5, 2) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 49 | self.assertEqual(self.f.tell(), 15) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 50 | |
| 51 | def testAttributes(self): |
| 52 | # verify expected attributes exist |
| 53 | f = self.f |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 54 | |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 55 | self.assertEqual(f.mode, "wb") |
| 56 | self.assertEqual(f.closed, False) |
Guido van Rossum | 31c3a57 | 2007-04-12 14:51:49 +0000 | [diff] [blame] | 57 | |
| 58 | # verify the attributes are readonly |
| 59 | for attr in 'mode', 'closed': |
| 60 | self.assertRaises((AttributeError, TypeError), |
| 61 | setattr, f, attr, 'oops') |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 62 | |
| 63 | def testReadinto(self): |
| 64 | # verify readinto |
| 65 | self.f.write(bytes([1, 2])) |
| 66 | self.f.close() |
Guido van Rossum | a45ea58 | 2007-05-15 21:25:12 +0000 | [diff] [blame] | 67 | a = array('b', b'x'*10) |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 68 | self.f = _FileIO(TESTFN, 'r') |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 69 | n = self.f.readinto(a) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 70 | self.assertEqual(array('b', [1, 2]), a[:n]) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 71 | |
Antoine Pitrou | 131a489 | 2012-10-16 22:57:11 +0200 | [diff] [blame] | 72 | def testWritelinesList(self): |
| 73 | l = [b'123', b'456'] |
| 74 | self.f.writelines(l) |
| 75 | self.f.close() |
| 76 | self.f = _FileIO(TESTFN, 'rb') |
| 77 | buf = self.f.read() |
| 78 | self.assertEqual(buf, b'123456') |
| 79 | |
| 80 | def testWritelinesUserList(self): |
| 81 | l = UserList([b'123', b'456']) |
| 82 | self.f.writelines(l) |
| 83 | self.f.close() |
| 84 | self.f = _FileIO(TESTFN, 'rb') |
| 85 | buf = self.f.read() |
| 86 | self.assertEqual(buf, b'123456') |
| 87 | |
| 88 | def testWritelinesError(self): |
| 89 | self.assertRaises(TypeError, self.f.writelines, [1, 2, 3]) |
| 90 | self.assertRaises(TypeError, self.f.writelines, None) |
| 91 | self.assertRaises(TypeError, self.f.writelines, "abc") |
| 92 | |
Benjamin Peterson | bf5ff76 | 2009-12-13 19:25:34 +0000 | [diff] [blame] | 93 | def test_none_args(self): |
| 94 | self.f.write(b"hi\nbye\nabc") |
| 95 | self.f.close() |
| 96 | self.f = _FileIO(TESTFN, 'r') |
| 97 | self.assertEqual(self.f.read(None), b"hi\nbye\nabc") |
| 98 | self.f.seek(0) |
| 99 | self.assertEqual(self.f.readline(None), b"hi\n") |
| 100 | self.assertEqual(self.f.readlines(None), [b"bye\n", b"abc"]) |
| 101 | |
Benjamin Peterson | 255058f | 2010-01-27 01:47:14 +0000 | [diff] [blame] | 102 | def test_reject(self): |
| 103 | self.assertRaises(TypeError, self.f.write, "Hello!") |
| 104 | |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 105 | def testRepr(self): |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 106 | self.assertEqual(repr(self.f), "<_io.FileIO name=%r mode=%r>" |
Antoine Pitrou | 716c444 | 2009-05-23 19:04:03 +0000 | [diff] [blame] | 107 | % (self.f.name, self.f.mode)) |
| 108 | del self.f.name |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 109 | self.assertEqual(repr(self.f), "<_io.FileIO fd=%r mode=%r>" |
Antoine Pitrou | 716c444 | 2009-05-23 19:04:03 +0000 | [diff] [blame] | 110 | % (self.f.fileno(), self.f.mode)) |
| 111 | self.f.close() |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 112 | self.assertEqual(repr(self.f), "<_io.FileIO [closed]>") |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 113 | |
| 114 | def testErrors(self): |
| 115 | f = self.f |
Serhiy Storchaka | 0dcd80a | 2015-08-02 15:17:49 +0300 | [diff] [blame] | 116 | self.assertFalse(f.isatty()) |
| 117 | self.assertFalse(f.closed) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 118 | #self.assertEqual(f.name, TESTFN) |
Guido van Rossum | 31c3a57 | 2007-04-12 14:51:49 +0000 | [diff] [blame] | 119 | self.assertRaises(ValueError, f.read, 10) # Open for reading |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 120 | f.close() |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 121 | self.assertTrue(f.closed) |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 122 | f = _FileIO(TESTFN, 'r') |
Guido van Rossum | 31c3a57 | 2007-04-12 14:51:49 +0000 | [diff] [blame] | 123 | self.assertRaises(TypeError, f.readinto, "") |
Serhiy Storchaka | 0dcd80a | 2015-08-02 15:17:49 +0300 | [diff] [blame] | 124 | self.assertFalse(f.closed) |
Guido van Rossum | 31c3a57 | 2007-04-12 14:51:49 +0000 | [diff] [blame] | 125 | f.close() |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 126 | self.assertTrue(f.closed) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 127 | |
| 128 | def testMethods(self): |
Serhiy Storchaka | 6a69466 | 2015-04-16 11:54:14 +0300 | [diff] [blame] | 129 | methods = ['fileno', 'isatty', 'seekable', 'readable', 'writable', |
| 130 | 'read', 'readall', 'readline', 'readlines', |
| 131 | 'tell', 'truncate', 'flush'] |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 132 | |
Guido van Rossum | 31c3a57 | 2007-04-12 14:51:49 +0000 | [diff] [blame] | 133 | self.f.close() |
Benjamin Peterson | c9c0f20 | 2009-06-30 23:06:06 +0000 | [diff] [blame] | 134 | self.assertTrue(self.f.closed) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 135 | |
| 136 | for methodname in methods: |
| 137 | method = getattr(self.f, methodname) |
| 138 | # should raise on closed file |
| 139 | self.assertRaises(ValueError, method) |
| 140 | |
Serhiy Storchaka | 6a69466 | 2015-04-16 11:54:14 +0300 | [diff] [blame] | 141 | self.assertRaises(ValueError, self.f.readinto) # XXX should be TypeError? |
| 142 | self.assertRaises(ValueError, self.f.readinto, bytearray(1)) |
| 143 | self.assertRaises(ValueError, self.f.seek) |
| 144 | self.assertRaises(ValueError, self.f.seek, 0) |
| 145 | self.assertRaises(ValueError, self.f.write) |
| 146 | self.assertRaises(ValueError, self.f.write, b'') |
| 147 | self.assertRaises(TypeError, self.f.writelines) |
| 148 | self.assertRaises(ValueError, self.f.writelines, b'') |
| 149 | |
Benjamin Peterson | 3e4f055 | 2008-09-02 00:31:15 +0000 | [diff] [blame] | 150 | def testOpendir(self): |
| 151 | # Issue 3703: opening a directory should fill the errno |
| 152 | # Windows always returns "[Errno 13]: Permission denied |
| 153 | # Unix calls dircheck() and returns "[Errno 21]: Is a directory" |
| 154 | try: |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 155 | _FileIO('.', 'r') |
Andrew Svetlov | f7a17b4 | 2012-12-25 16:47:37 +0200 | [diff] [blame] | 156 | except OSError as e: |
Benjamin Peterson | 3e4f055 | 2008-09-02 00:31:15 +0000 | [diff] [blame] | 157 | self.assertNotEqual(e.errno, 0) |
Benjamin Peterson | 1efc23c | 2008-12-29 18:02:28 +0000 | [diff] [blame] | 158 | self.assertEqual(e.filename, ".") |
Benjamin Peterson | 3e4f055 | 2008-09-02 00:31:15 +0000 | [diff] [blame] | 159 | else: |
Andrew Svetlov | f7a17b4 | 2012-12-25 16:47:37 +0200 | [diff] [blame] | 160 | self.fail("Should have raised OSError") |
Benjamin Peterson | 3e4f055 | 2008-09-02 00:31:15 +0000 | [diff] [blame] | 161 | |
Antoine Pitrou | 9235b25 | 2012-07-06 18:48:24 +0200 | [diff] [blame] | 162 | @unittest.skipIf(os.name == 'nt', "test only works on a POSIX-like system") |
| 163 | def testOpenDirFD(self): |
| 164 | fd = os.open('.', os.O_RDONLY) |
Andrew Svetlov | f7a17b4 | 2012-12-25 16:47:37 +0200 | [diff] [blame] | 165 | with self.assertRaises(OSError) as cm: |
Antoine Pitrou | 9235b25 | 2012-07-06 18:48:24 +0200 | [diff] [blame] | 166 | _FileIO(fd, 'r') |
| 167 | os.close(fd) |
| 168 | self.assertEqual(cm.exception.errno, errno.EISDIR) |
| 169 | |
Kristján Valur Jónsson | a8abe86 | 2009-03-24 15:27:42 +0000 | [diff] [blame] | 170 | #A set of functions testing that we get expected behaviour if someone has |
| 171 | #manually closed the internal file descriptor. First, a decorator: |
| 172 | def ClosedFD(func): |
| 173 | @wraps(func) |
| 174 | def wrapper(self): |
| 175 | #forcibly close the fd before invoking the problem function |
| 176 | f = self.f |
| 177 | os.close(f.fileno()) |
| 178 | try: |
| 179 | func(self, f) |
| 180 | finally: |
| 181 | try: |
| 182 | self.f.close() |
Andrew Svetlov | f7a17b4 | 2012-12-25 16:47:37 +0200 | [diff] [blame] | 183 | except OSError: |
Kristján Valur Jónsson | a8abe86 | 2009-03-24 15:27:42 +0000 | [diff] [blame] | 184 | pass |
| 185 | return wrapper |
Antoine Pitrou | 0ae29cf | 2009-03-13 22:33:17 +0000 | [diff] [blame] | 186 | |
Kristján Valur Jónsson | a8abe86 | 2009-03-24 15:27:42 +0000 | [diff] [blame] | 187 | def ClosedFDRaises(func): |
| 188 | @wraps(func) |
| 189 | def wrapper(self): |
| 190 | #forcibly close the fd before invoking the problem function |
| 191 | f = self.f |
| 192 | os.close(f.fileno()) |
| 193 | try: |
| 194 | func(self, f) |
Andrew Svetlov | f7a17b4 | 2012-12-25 16:47:37 +0200 | [diff] [blame] | 195 | except OSError as e: |
Kristján Valur Jónsson | a8abe86 | 2009-03-24 15:27:42 +0000 | [diff] [blame] | 196 | self.assertEqual(e.errno, errno.EBADF) |
| 197 | else: |
Andrew Svetlov | f7a17b4 | 2012-12-25 16:47:37 +0200 | [diff] [blame] | 198 | self.fail("Should have raised OSError") |
Kristján Valur Jónsson | a8abe86 | 2009-03-24 15:27:42 +0000 | [diff] [blame] | 199 | finally: |
| 200 | try: |
| 201 | self.f.close() |
Andrew Svetlov | f7a17b4 | 2012-12-25 16:47:37 +0200 | [diff] [blame] | 202 | except OSError: |
Kristján Valur Jónsson | a8abe86 | 2009-03-24 15:27:42 +0000 | [diff] [blame] | 203 | pass |
| 204 | return wrapper |
| 205 | |
| 206 | @ClosedFDRaises |
| 207 | def testErrnoOnClose(self, f): |
| 208 | f.close() |
| 209 | |
| 210 | @ClosedFDRaises |
| 211 | def testErrnoOnClosedWrite(self, f): |
Benjamin Peterson | 255058f | 2010-01-27 01:47:14 +0000 | [diff] [blame] | 212 | f.write(b'a') |
Kristján Valur Jónsson | a8abe86 | 2009-03-24 15:27:42 +0000 | [diff] [blame] | 213 | |
| 214 | @ClosedFDRaises |
| 215 | def testErrnoOnClosedSeek(self, f): |
| 216 | f.seek(0) |
| 217 | |
| 218 | @ClosedFDRaises |
| 219 | def testErrnoOnClosedTell(self, f): |
| 220 | f.tell() |
| 221 | |
| 222 | @ClosedFDRaises |
| 223 | def testErrnoOnClosedTruncate(self, f): |
| 224 | f.truncate(0) |
| 225 | |
| 226 | @ClosedFD |
| 227 | def testErrnoOnClosedSeekable(self, f): |
| 228 | f.seekable() |
| 229 | |
| 230 | @ClosedFD |
| 231 | def testErrnoOnClosedReadable(self, f): |
| 232 | f.readable() |
| 233 | |
| 234 | @ClosedFD |
| 235 | def testErrnoOnClosedWritable(self, f): |
| 236 | f.writable() |
| 237 | |
| 238 | @ClosedFD |
| 239 | def testErrnoOnClosedFileno(self, f): |
| 240 | f.fileno() |
| 241 | |
| 242 | @ClosedFD |
| 243 | def testErrnoOnClosedIsatty(self, f): |
| 244 | self.assertEqual(f.isatty(), False) |
| 245 | |
| 246 | def ReopenForRead(self): |
| 247 | try: |
| 248 | self.f.close() |
Andrew Svetlov | f7a17b4 | 2012-12-25 16:47:37 +0200 | [diff] [blame] | 249 | except OSError: |
Kristján Valur Jónsson | a8abe86 | 2009-03-24 15:27:42 +0000 | [diff] [blame] | 250 | pass |
| 251 | self.f = _FileIO(TESTFN, 'r') |
| 252 | os.close(self.f.fileno()) |
| 253 | return self.f |
| 254 | |
| 255 | @ClosedFDRaises |
| 256 | def testErrnoOnClosedRead(self, f): |
| 257 | f = self.ReopenForRead() |
| 258 | f.read(1) |
| 259 | |
| 260 | @ClosedFDRaises |
| 261 | def testErrnoOnClosedReadall(self, f): |
| 262 | f = self.ReopenForRead() |
| 263 | f.readall() |
| 264 | |
| 265 | @ClosedFDRaises |
| 266 | def testErrnoOnClosedReadinto(self, f): |
| 267 | f = self.ReopenForRead() |
| 268 | a = array('b', b'x'*10) |
| 269 | f.readinto(a) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 270 | |
| 271 | class OtherFileTests(unittest.TestCase): |
| 272 | |
| 273 | def testAbles(self): |
| 274 | try: |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 275 | f = _FileIO(TESTFN, "w") |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 276 | self.assertEqual(f.readable(), False) |
| 277 | self.assertEqual(f.writable(), True) |
| 278 | self.assertEqual(f.seekable(), True) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 279 | f.close() |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 280 | |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 281 | f = _FileIO(TESTFN, "r") |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 282 | self.assertEqual(f.readable(), True) |
| 283 | self.assertEqual(f.writable(), False) |
| 284 | self.assertEqual(f.seekable(), True) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 285 | f.close() |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 286 | |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 287 | f = _FileIO(TESTFN, "a+") |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 288 | self.assertEqual(f.readable(), True) |
| 289 | self.assertEqual(f.writable(), True) |
| 290 | self.assertEqual(f.seekable(), True) |
| 291 | self.assertEqual(f.isatty(), False) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 292 | f.close() |
Guido van Rossum | 682faf8 | 2007-04-12 14:56:58 +0000 | [diff] [blame] | 293 | |
Thomas Heller | b0f48ab | 2007-07-12 11:29:02 +0000 | [diff] [blame] | 294 | if sys.platform != "win32": |
| 295 | try: |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 296 | f = _FileIO("/dev/tty", "a") |
Andrew Svetlov | 3438fa4 | 2012-12-17 23:35:18 +0200 | [diff] [blame] | 297 | except OSError: |
Thomas Heller | b0f48ab | 2007-07-12 11:29:02 +0000 | [diff] [blame] | 298 | # When run in a cron job there just aren't any |
| 299 | # ttys, so skip the test. This also handles other |
| 300 | # OS'es that don't support /dev/tty. |
| 301 | pass |
| 302 | else: |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 303 | self.assertEqual(f.readable(), False) |
| 304 | self.assertEqual(f.writable(), True) |
Hye-Shik Chang | caf871a | 2007-08-13 13:21:33 +0000 | [diff] [blame] | 305 | if sys.platform != "darwin" and \ |
Antoine Pitrou | d7b3046 | 2009-05-23 16:34:50 +0000 | [diff] [blame] | 306 | 'bsd' not in sys.platform and \ |
Benjamin Peterson | 94fe10f | 2008-07-17 23:27:26 +0000 | [diff] [blame] | 307 | not sys.platform.startswith('sunos'): |
Hye-Shik Chang | caf871a | 2007-08-13 13:21:33 +0000 | [diff] [blame] | 308 | # Somehow /dev/tty appears seekable on some BSDs |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 309 | self.assertEqual(f.seekable(), False) |
| 310 | self.assertEqual(f.isatty(), True) |
Thomas Heller | b0f48ab | 2007-07-12 11:29:02 +0000 | [diff] [blame] | 311 | f.close() |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 312 | finally: |
| 313 | os.unlink(TESTFN) |
| 314 | |
Antoine Pitrou | e93b63b | 2013-09-04 20:46:33 +0200 | [diff] [blame] | 315 | def testInvalidModeStrings(self): |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 316 | # check invalid mode strings |
Benjamin Peterson | 44309e6 | 2008-11-22 00:41:45 +0000 | [diff] [blame] | 317 | for mode in ("", "aU", "wU+", "rw", "rt"): |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 318 | try: |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 319 | f = _FileIO(TESTFN, mode) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 320 | except ValueError: |
| 321 | pass |
| 322 | else: |
| 323 | f.close() |
| 324 | self.fail('%r is an invalid file mode' % mode) |
| 325 | |
Antoine Pitrou | e93b63b | 2013-09-04 20:46:33 +0200 | [diff] [blame] | 326 | def testModeStrings(self): |
| 327 | # test that the mode attribute is correct for various mode strings |
| 328 | # given as init args |
| 329 | try: |
| 330 | for modes in [('w', 'wb'), ('wb', 'wb'), ('wb+', 'rb+'), |
| 331 | ('w+b', 'rb+'), ('a', 'ab'), ('ab', 'ab'), |
| 332 | ('ab+', 'ab+'), ('a+b', 'ab+'), ('r', 'rb'), |
| 333 | ('rb', 'rb'), ('rb+', 'rb+'), ('r+b', 'rb+')]: |
| 334 | # read modes are last so that TESTFN will exist first |
| 335 | with _FileIO(TESTFN, modes[0]) as f: |
| 336 | self.assertEqual(f.mode, modes[1]) |
| 337 | finally: |
| 338 | if os.path.exists(TESTFN): |
| 339 | os.unlink(TESTFN) |
| 340 | |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 341 | def testUnicodeOpen(self): |
| 342 | # verify repr works for unicode too |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 343 | f = _FileIO(str(TESTFN), "w") |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 344 | f.close() |
| 345 | os.unlink(TESTFN) |
| 346 | |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 347 | def testBytesOpen(self): |
| 348 | # Opening a bytes filename |
| 349 | try: |
| 350 | fn = TESTFN.encode("ascii") |
| 351 | except UnicodeEncodeError: |
Zachary Ware | 9fe6d86 | 2013-12-08 00:20:35 -0600 | [diff] [blame] | 352 | self.skipTest('could not encode %r to ascii' % TESTFN) |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 353 | f = _FileIO(fn, "w") |
| 354 | try: |
| 355 | f.write(b"abc") |
| 356 | f.close() |
| 357 | with open(TESTFN, "rb") as f: |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 358 | self.assertEqual(f.read(), b"abc") |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 359 | finally: |
| 360 | os.unlink(TESTFN) |
| 361 | |
Antoine Pitrou | 1334884 | 2012-01-29 18:36:34 +0100 | [diff] [blame] | 362 | def testConstructorHandlesNULChars(self): |
| 363 | fn_with_NUL = 'foo\0bar' |
| 364 | self.assertRaises(TypeError, _FileIO, fn_with_NUL, 'w') |
| 365 | self.assertRaises(TypeError, _FileIO, bytes(fn_with_NUL, 'ascii'), 'w') |
| 366 | |
Benjamin Peterson | 806d402 | 2009-01-19 15:11:51 +0000 | [diff] [blame] | 367 | def testInvalidFd(self): |
Antoine Pitrou | 7fb111b | 2009-03-04 11:14:01 +0000 | [diff] [blame] | 368 | self.assertRaises(ValueError, _FileIO, -10) |
| 369 | self.assertRaises(OSError, _FileIO, make_bad_fd()) |
Antoine Pitrou | 0049249 | 2010-09-04 20:53:29 +0000 | [diff] [blame] | 370 | if sys.platform == 'win32': |
| 371 | import msvcrt |
Andrew Svetlov | f7a17b4 | 2012-12-25 16:47:37 +0200 | [diff] [blame] | 372 | self.assertRaises(OSError, msvcrt.get_osfhandle, make_bad_fd()) |
Serhiy Storchaka | 5cfc79d | 2014-02-07 10:06:39 +0200 | [diff] [blame] | 373 | |
| 374 | @cpython_only |
| 375 | def testInvalidFd_overflow(self): |
Serhiy Storchaka | 7898043 | 2013-01-15 01:12:17 +0200 | [diff] [blame] | 376 | # Issue 15989 |
Serhiy Storchaka | 5cfc79d | 2014-02-07 10:06:39 +0200 | [diff] [blame] | 377 | import _testcapi |
Serhiy Storchaka | 7898043 | 2013-01-15 01:12:17 +0200 | [diff] [blame] | 378 | self.assertRaises(TypeError, _FileIO, _testcapi.INT_MAX + 1) |
| 379 | self.assertRaises(TypeError, _FileIO, _testcapi.INT_MIN - 1) |
Benjamin Peterson | 806d402 | 2009-01-19 15:11:51 +0000 | [diff] [blame] | 380 | |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 381 | def testBadModeArgument(self): |
| 382 | # verify that we get a sensible error message for bad mode argument |
| 383 | bad_mode = "qwerty" |
| 384 | try: |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 385 | f = _FileIO(TESTFN, bad_mode) |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 386 | except ValueError as msg: |
Guido van Rossum | 360e4b8 | 2007-05-14 22:51:27 +0000 | [diff] [blame] | 387 | if msg.args[0] != 0: |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 388 | s = str(msg) |
Ezio Melotti | 7fb4da7 | 2010-03-18 12:29:13 +0000 | [diff] [blame] | 389 | if TESTFN in s or bad_mode not in s: |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 390 | self.fail("bad error message for invalid mode: %s" % s) |
Georg Brandl | 50da60c | 2008-01-06 21:38:54 +0000 | [diff] [blame] | 391 | # if msg.args[0] == 0, we're probably on Windows where there may be |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 392 | # no obvious way to discover why open() failed. |
| 393 | else: |
| 394 | f.close() |
| 395 | self.fail("no error for invalid mode: %s" % bad_mode) |
| 396 | |
Antoine Pitrou | 905a2ff | 2010-01-31 22:47:27 +0000 | [diff] [blame] | 397 | def testTruncate(self): |
| 398 | f = _FileIO(TESTFN, 'w') |
| 399 | f.write(bytes(bytearray(range(10)))) |
| 400 | self.assertEqual(f.tell(), 10) |
| 401 | f.truncate(5) |
| 402 | self.assertEqual(f.tell(), 10) |
Eli Bendersky | 74c503b | 2012-01-03 06:26:13 +0200 | [diff] [blame] | 403 | self.assertEqual(f.seek(0, io.SEEK_END), 5) |
Antoine Pitrou | 905a2ff | 2010-01-31 22:47:27 +0000 | [diff] [blame] | 404 | f.truncate(15) |
| 405 | self.assertEqual(f.tell(), 5) |
Eli Bendersky | 74c503b | 2012-01-03 06:26:13 +0200 | [diff] [blame] | 406 | self.assertEqual(f.seek(0, io.SEEK_END), 15) |
Antoine Pitrou | 8d2b51b | 2010-10-30 16:19:14 +0000 | [diff] [blame] | 407 | f.close() |
Antoine Pitrou | 905a2ff | 2010-01-31 22:47:27 +0000 | [diff] [blame] | 408 | |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 409 | def testTruncateOnWindows(self): |
| 410 | def bug801631(): |
| 411 | # SF bug <http://www.python.org/sf/801631> |
| 412 | # "file.truncate fault on windows" |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 413 | f = _FileIO(TESTFN, 'w') |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 414 | f.write(bytes(range(11))) |
| 415 | f.close() |
| 416 | |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 417 | f = _FileIO(TESTFN,'r+') |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 418 | data = f.read(5) |
| 419 | if data != bytes(range(5)): |
| 420 | self.fail("Read on file opened for update failed %r" % data) |
| 421 | if f.tell() != 5: |
| 422 | self.fail("File pos after read wrong %d" % f.tell()) |
| 423 | |
| 424 | f.truncate() |
| 425 | if f.tell() != 5: |
| 426 | self.fail("File pos after ftruncate wrong %d" % f.tell()) |
| 427 | |
| 428 | f.close() |
| 429 | size = os.path.getsize(TESTFN) |
| 430 | if size != 5: |
| 431 | self.fail("File size after ftruncate wrong %d" % size) |
| 432 | |
| 433 | try: |
| 434 | bug801631() |
| 435 | finally: |
| 436 | os.unlink(TESTFN) |
| 437 | |
Walter Dörwald | 3a77c7a | 2007-06-06 16:31:14 +0000 | [diff] [blame] | 438 | def testAppend(self): |
| 439 | try: |
| 440 | f = open(TESTFN, 'wb') |
| 441 | f.write(b'spam') |
| 442 | f.close() |
| 443 | f = open(TESTFN, 'ab') |
| 444 | f.write(b'eggs') |
| 445 | f.close() |
| 446 | f = open(TESTFN, 'rb') |
| 447 | d = f.read() |
| 448 | f.close() |
| 449 | self.assertEqual(d, b'spameggs') |
| 450 | finally: |
| 451 | try: |
| 452 | os.unlink(TESTFN) |
| 453 | except: |
| 454 | pass |
| 455 | |
Neal Norwitz | 6e0e0e6 | 2008-08-24 22:07:28 +0000 | [diff] [blame] | 456 | def testInvalidInit(self): |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 457 | self.assertRaises(TypeError, _FileIO, "1", 0, 0) |
Neal Norwitz | 6e0e0e6 | 2008-08-24 22:07:28 +0000 | [diff] [blame] | 458 | |
Benjamin Peterson | 65676e4 | 2008-11-05 21:42:45 +0000 | [diff] [blame] | 459 | def testWarnings(self): |
Florent Xicluna | b14930c | 2010-03-13 15:26:44 +0000 | [diff] [blame] | 460 | with check_warnings(quiet=True) as w: |
Benjamin Peterson | 65676e4 | 2008-11-05 21:42:45 +0000 | [diff] [blame] | 461 | self.assertEqual(w.warnings, []) |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 462 | self.assertRaises(TypeError, _FileIO, []) |
Benjamin Peterson | 65676e4 | 2008-11-05 21:42:45 +0000 | [diff] [blame] | 463 | self.assertEqual(w.warnings, []) |
Benjamin Peterson | 4fa88fa | 2009-03-04 00:14:51 +0000 | [diff] [blame] | 464 | self.assertRaises(ValueError, _FileIO, "/some/invalid/name", "rt") |
Benjamin Peterson | 65676e4 | 2008-11-05 21:42:45 +0000 | [diff] [blame] | 465 | self.assertEqual(w.warnings, []) |
| 466 | |
Hynek Schlawack | 9ed8b4e | 2012-06-21 20:20:25 +0200 | [diff] [blame] | 467 | def testUnclosedFDOnException(self): |
| 468 | class MyException(Exception): pass |
| 469 | class MyFileIO(_FileIO): |
| 470 | def __setattr__(self, name, value): |
| 471 | if name == "name": |
| 472 | raise MyException("blocked setting name") |
| 473 | return super(MyFileIO, self).__setattr__(name, value) |
| 474 | fd = os.open(__file__, os.O_RDONLY) |
| 475 | self.assertRaises(MyException, MyFileIO, fd) |
| 476 | os.close(fd) # should not raise OSError(EBADF) |
| 477 | |
Neal Norwitz | 6e0e0e6 | 2008-08-24 22:07:28 +0000 | [diff] [blame] | 478 | |
Guido van Rossum | a9e2024 | 2007-03-08 00:43:48 +0000 | [diff] [blame] | 479 | def test_main(): |
| 480 | # Historically, these tests have been sloppy about removing TESTFN. |
| 481 | # So get rid of it no matter what. |
| 482 | try: |
| 483 | run_unittest(AutoFileTests, OtherFileTests) |
| 484 | finally: |
| 485 | if os.path.exists(TESTFN): |
| 486 | os.unlink(TESTFN) |
| 487 | |
| 488 | if __name__ == '__main__': |
| 489 | test_main() |