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# test VFS functionality without any particular filesystem type
try:
import os, vfs
except ImportError:
print("SKIP")
raise SystemExit
class Filesystem:
def __init__(self, id, paths=[]):
self.id = id
self.paths = paths
def mount(self, readonly, mksfs):
print("mount", self)
def umount(self):
print("umount", self)
def stat(self, path):
if path in self.paths:
return (0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
else:
raise OSError
statvfs = stat
def open(self, path, mode):
pass
def __repr__(self):
return "Filesystem(%d)" % self.id
# first we umount any existing mount points the target may have
try:
vfs.umount("/")
except OSError:
pass
for path in os.listdir("/"):
vfs.umount("/" + path)
print(vfs.mount())
vfs.mount(Filesystem(1), "/foo")
print(vfs.mount())
vfs.mount(Filesystem(2), "/bar/baz")
print(vfs.mount())
vfs.mount(Filesystem(3), "/bar")
print(vfs.mount())
vfs.umount("/bar/baz")
print(vfs.mount())
vfs.mount(Filesystem(4), "/")
print(vfs.mount())
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