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5ef0d2ab14
This conditional import was only used to get the tests working on the unix coverage build, which has now switched to use VFS by default so the uos module alone has the required functionality.
148 lines
3.2 KiB
Python
148 lines
3.2 KiB
Python
# test VFS functionality without any particular filesystem type
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try:
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import uos
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uos.mount
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except (ImportError, AttributeError):
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print("SKIP")
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raise SystemExit
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class Filesystem:
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def __init__(self, id):
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self.id = id
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def mount(self, readonly, mkfs):
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print(self.id, 'mount', readonly, mkfs)
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def umount(self):
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print(self.id, 'umount')
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def ilistdir(self, dir):
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print(self.id, 'ilistdir', dir)
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return iter([('a%d' % self.id, 0, 0)])
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def chdir(self, dir):
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print(self.id, 'chdir', dir)
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def getcwd(self):
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print(self.id, 'getcwd')
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return 'dir%d' % self.id
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def mkdir(self, path):
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print(self.id, 'mkdir', path)
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def remove(self, path):
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print(self.id, 'remove', path)
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def rename(self, old_path, new_path):
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print(self.id, 'rename', old_path, new_path)
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def rmdir(self, path):
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print(self.id, 'rmdir', path)
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def stat(self, path):
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print(self.id, 'stat', path)
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return (self.id,)
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def statvfs(self, path):
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print(self.id, 'statvfs', path)
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return (self.id,)
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def open(self, file, mode):
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print(self.id, 'open', file, mode)
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# first we umount any existing mount points the target may have
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try:
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uos.umount('/')
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except OSError:
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pass
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for path in uos.listdir('/'):
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uos.umount('/' + path)
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# stat root dir
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print(uos.stat('/'))
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# statvfs root dir; verify that f_namemax has a sensible size
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print(uos.statvfs('/')[9] >= 32)
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# getcwd when in root dir
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print(uos.getcwd())
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# basic mounting and listdir
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uos.mount(Filesystem(1), '/test_mnt')
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print(uos.listdir())
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# ilistdir
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i = uos.ilistdir()
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print(next(i))
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try:
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next(i)
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except StopIteration:
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print('StopIteration')
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try:
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next(i)
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except StopIteration:
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print('StopIteration')
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# referencing the mount point in different ways
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print(uos.listdir('test_mnt'))
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print(uos.listdir('/test_mnt'))
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# mounting another filesystem
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uos.mount(Filesystem(2), '/test_mnt2', readonly=True)
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print(uos.listdir())
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print(uos.listdir('/test_mnt2'))
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# mounting over an existing mount point
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try:
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uos.mount(Filesystem(3), '/test_mnt2')
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except OSError:
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print('OSError')
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# mkdir of a mount point
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try:
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uos.mkdir('/test_mnt')
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except OSError:
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print('OSError')
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# rename across a filesystem
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try:
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uos.rename('/test_mnt/a', '/test_mnt2/b')
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except OSError:
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print('OSError')
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# delegating to mounted filesystem
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uos.chdir('test_mnt')
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print(uos.listdir())
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print(uos.getcwd())
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uos.mkdir('test_dir')
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uos.remove('test_file')
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uos.rename('test_file', 'test_file2')
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uos.rmdir('test_dir')
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print(uos.stat('test_file'))
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print(uos.statvfs('/test_mnt'))
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open('test_file')
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open('test_file', 'wb')
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# umount
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uos.umount('/test_mnt')
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uos.umount('/test_mnt2')
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# umount a non-existent mount point
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try:
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uos.umount('/test_mnt')
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except OSError:
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print('OSError')
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# root dir
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uos.mount(Filesystem(3), '/')
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print(uos.stat('/'))
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print(uos.statvfs('/'))
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print(uos.listdir())
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open('test')
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uos.mount(Filesystem(4), '/mnt')
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print(uos.listdir())
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print(uos.listdir('/mnt'))
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uos.chdir('/mnt')
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print(uos.listdir())
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# chdir to a subdir within root-mounted vfs, and then listdir
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uos.chdir('/subdir')
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print(uos.listdir())
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uos.chdir('/')
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uos.umount('/')
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print(uos.listdir('/'))
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uos.umount('/mnt')
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