ceph/src/test/pybind/test_cephfs.py

   1 # vim: expandtab smarttab shiftwidth=4 softtabstop=4
   2 from nose.tools import assert_raises, assert_equal, with_setup
   3 import cephfs as libcephfs
   4 import fcntl
   5 import os
   6
   7 cephfs = None
   8
   9 def setup_module():
  10     global cephfs
  11     cephfs = libcephfs.LibCephFS(conffile='')
  12     cephfs.mount()
  13
  14 def teardown_module():
  15     global cephfs
  16     cephfs.shutdown()
  17
  18 def setup_test():
  19     d = cephfs.opendir(b"/")
  20     dent = cephfs.readdir(d)
  21     while dent:
  22         if (dent.d_name not in [b".", b".."]):
  23             if dent.is_dir():
  24                 cephfs.rmdir(b"/" + dent.d_name)
  25             else:
  26                 cephfs.unlink(b"/" + dent.d_name)
  27
  28         dent = cephfs.readdir(d)
  29
  30     cephfs.closedir(d)
  31
  32     cephfs.chdir(b"/")
  33
  34 @with_setup(setup_test)
  35 def test_conf_get():
  36     fsid = cephfs.conf_get("fsid")
  37     assert(len(fsid) > 0)
  38
  39 @with_setup(setup_test)
  40 def test_version():
  41     cephfs.version()
  42
  43 @with_setup(setup_test)
  44 def test_fstat():
  45     fd = cephfs.open(b'file-1', 'w', 0o755)
  46     stat = cephfs.fstat(fd)
  47     assert(len(stat) == 13)
  48     cephfs.close(fd)
  49
  50 @with_setup(setup_test)
  51 def test_statfs():
  52     stat = cephfs.statfs(b'/')
  53     assert(len(stat) == 11)
  54
  55 @with_setup(setup_test)
  56 def test_syncfs():
  57     stat = cephfs.sync_fs()
  58
  59 @with_setup(setup_test)
  60 def test_fsync():
  61     fd = cephfs.open(b'file-1', 'w', 0o755)
  62     cephfs.write(fd, b"asdf", 0)
  63     stat = cephfs.fsync(fd, 0)
  64     cephfs.write(fd, b"qwer", 0)
  65     stat = cephfs.fsync(fd, 1)
  66     cephfs.close(fd)
  67     #sync on non-existing fd (assume fd 12345 is not exists)
  68     assert_raises(libcephfs.Error, cephfs.fsync, 12345, 0)
  69
  70 @with_setup(setup_test)
  71 def test_directory():
  72     cephfs.mkdir(b"/temp-directory", 0o755)
  73     cephfs.mkdirs(b"/temp-directory/foo/bar", 0o755)
  74     cephfs.chdir(b"/temp-directory")
  75     assert_equal(cephfs.getcwd(), b"/temp-directory")
  76     cephfs.rmdir(b"/temp-directory/foo/bar")
  77     cephfs.rmdir(b"/temp-directory/foo")
  78     cephfs.rmdir(b"/temp-directory")
  79     assert_raises(libcephfs.ObjectNotFound, cephfs.chdir, b"/temp-directory")
  80
  81 @with_setup(setup_test)
  82 def test_walk_dir():
  83     cephfs.chdir(b"/")
  84     dirs = [b"dir-1", b"dir-2", b"dir-3"]
  85     for i in dirs:
  86         cephfs.mkdir(i, 0o755)
  87     handler = cephfs.opendir(b"/")
  88     d = cephfs.readdir(handler)
  89     dirs += [b".", b".."]
  90     while d:
  91         assert(d.d_name in dirs)
  92         dirs.remove(d.d_name)
  93         d = cephfs.readdir(handler)
  94     assert(len(dirs) == 0)
  95     dirs = [b"/dir-1", b"/dir-2", b"/dir-3"]
  96     for i in dirs:
  97         cephfs.rmdir(i)
  98     cephfs.closedir(handler)
  99
 100 @with_setup(setup_test)
 101 def test_xattr():
 102     assert_raises(libcephfs.OperationNotSupported, cephfs.setxattr, "/", "key", b"value", 0)
 103     cephfs.setxattr("/", "user.key", b"value", 0)
 104     assert_equal(b"value", cephfs.getxattr("/", "user.key"))
 105
 106     cephfs.setxattr("/", "user.big", b"x" * 300, 0)
 107
 108     # Default size is 255, get ERANGE
 109     assert_raises(libcephfs.OutOfRange, cephfs.getxattr, "/", "user.big")
 110
 111     # Pass explicit size, and we'll get the value
 112     assert_equal(300, len(cephfs.getxattr("/", "user.big", 300)))
 113
 114
 115 @with_setup(setup_test)
 116 def test_rename():
 117     cephfs.mkdir(b"/a", 0o755)
 118     cephfs.mkdir(b"/a/b", 0o755)
 119     cephfs.rename(b"/a", b"/b")
 120     cephfs.stat(b"/b/b")
 121     cephfs.rmdir(b"/b/b")
 122     cephfs.rmdir(b"/b")
 123
 124 @with_setup(setup_test)
 125 def test_open():
 126     assert_raises(libcephfs.ObjectNotFound, cephfs.open, b'file-1', 'r')
 127     assert_raises(libcephfs.ObjectNotFound, cephfs.open, b'file-1', 'r+')
 128     fd = cephfs.open(b'file-1', 'w', 0o755)
 129     cephfs.write(fd, b"asdf", 0)
 130     cephfs.close(fd)
 131     fd = cephfs.open(b'file-1', 'r', 0o755)
 132     assert_equal(cephfs.read(fd, 0, 4), b"asdf")
 133     cephfs.close(fd)
 134     fd = cephfs.open(b'file-1', 'r+', 0o755)
 135     cephfs.write(fd, b"zxcv", 4)
 136     assert_equal(cephfs.read(fd, 4, 8), b"zxcv")
 137     cephfs.close(fd)
 138     fd = cephfs.open(b'file-1', 'w+', 0o755)
 139     assert_equal(cephfs.read(fd, 0, 4), b"")
 140     cephfs.write(fd, b"zxcv", 4)
 141     assert_equal(cephfs.read(fd, 4, 8), b"zxcv")
 142     cephfs.close(fd)
 143     fd = cephfs.open(b'file-1', os.O_RDWR, 0o755)
 144     cephfs.write(fd, b"asdf", 0)
 145     assert_equal(cephfs.read(fd, 0, 4), b"asdf")
 146     cephfs.close(fd)
 147     assert_raises(libcephfs.OperationNotSupported, cephfs.open, b'file-1', 'a')
 148     cephfs.unlink(b'file-1')
 149
 150 @with_setup(setup_test)
 151 def test_link():
 152     fd = cephfs.open(b'file-1', 'w', 0o755)
 153     cephfs.write(fd, b"1111", 0)
 154     cephfs.close(fd)
 155     cephfs.link(b'file-1', b'file-2')
 156     fd = cephfs.open(b'file-2', 'r', 0o755)
 157     assert_equal(cephfs.read(fd, 0, 4), b"1111")
 158     cephfs.close(fd)
 159     fd = cephfs.open(b'file-2', 'r+', 0o755)
 160     cephfs.write(fd, b"2222", 4)
 161     cephfs.close(fd)
 162     fd = cephfs.open(b'file-1', 'r', 0o755)
 163     assert_equal(cephfs.read(fd, 0, 8), b"11112222")
 164     cephfs.close(fd)
 165     cephfs.unlink(b'file-2')
 166
 167 @with_setup(setup_test)
 168 def test_symlink():
 169     fd = cephfs.open(b'file-1', 'w', 0o755)
 170     cephfs.write(fd, b"1111", 0)
 171     cephfs.close(fd)
 172     cephfs.symlink(b'file-1', b'file-2')
 173     fd = cephfs.open(b'file-2', 'r', 0o755)
 174     assert_equal(cephfs.read(fd, 0, 4), b"1111")
 175     cephfs.close(fd)
 176     fd = cephfs.open(b'file-2', 'r+', 0o755)
 177     cephfs.write(fd, b"2222", 4)
 178     cephfs.close(fd)
 179     fd = cephfs.open(b'file-1', 'r', 0o755)
 180     assert_equal(cephfs.read(fd, 0, 8), b"11112222")
 181     cephfs.close(fd)
 182     cephfs.unlink(b'file-2')
 183
 184 @with_setup(setup_test)
 185 def test_readlink():
 186     fd = cephfs.open(b'/file-1', 'w', 0o755)
 187     cephfs.write(fd, b"1111", 0)
 188     cephfs.close(fd)
 189     cephfs.symlink(b'/file-1', b'/file-2')
 190     d = cephfs.readlink(b"/file-2",100)
 191     assert_equal(d, b"/file-1")
 192     cephfs.unlink(b'/file-2')
 193     cephfs.unlink(b'/file-1')
 194
 195 @with_setup(setup_test)
 196 def test_delete_cwd():
 197     assert_equal(b"/", cephfs.getcwd())
 198
 199     cephfs.mkdir(b"/temp-directory", 0o755)
 200     cephfs.chdir(b"/temp-directory")
 201     cephfs.rmdir(b"/temp-directory")
 202
 203     # getcwd gives you something stale here: it remembers the path string
 204     # even when things are unlinked.  It's up to the caller to find out
 205     # whether it really still exists
 206     assert_equal(b"/temp-directory", cephfs.getcwd())
 207
 208 @with_setup(setup_test)
 209 def test_flock():
 210     fd = cephfs.open(b'file-1', 'w', 0o755)
 211
 212     cephfs.flock(fd, fcntl.LOCK_EX, 123);
 213     fd2 = cephfs.open(b'file-1', 'w', 0o755)
 214
 215     assert_raises(libcephfs.WouldBlock, cephfs.flock, fd2,
 216                   fcntl.LOCK_EX | fcntl.LOCK_NB, 456);
 217     cephfs.close(fd2)
 218
 219     cephfs.close(fd)
 220
 221 @with_setup(setup_test)
 222 def test_mount_unmount():
 223     test_directory()
 224     cephfs.unmount()
 225     cephfs.mount()
 226     test_open()