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Otherwise the existing FSs can interfere with the tests, and in some cases the tests can write to the real FS on the device.
136 lines
3.0 KiB
Python
136 lines
3.0 KiB
Python
# test VFS functionality without any particular filesystem type
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try:
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try:
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import uos_vfs as uos
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open = uos.vfs_open
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except ImportError:
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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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import sys
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sys.exit()
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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 listdir(self, dir):
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print(self.id, 'listdir', dir)
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return ['a%d' % self.id]
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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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# 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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# 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.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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