def test_parse_line_SET():
SMALL_DICT = {'key': 'value'}
sysfs = SysfsFuse()
sysfs._root = copy.deepcopy(TEST_ROOT)
reply = sysfs._parse_line("SET eyJrZXkiOiAidmFsdWUifQ==")
assert reply.split() == ['OK']
assert sysfs._root == SMALL_DICT
def test_parse_line_NOTIFY():
sysfs = SysfsFuse()
sysfs._root = copy.deepcopy(TEST_ROOT)
reply = sysfs._parse_line("NOTIFY /file1 1")
assert reply.split() == ['OK']
file1 = sysfs._root['contents'][1]
assert file1['name'] == 'file1'
assert file1['poll_events'] == 1
def test_parse_line_GET():
SMALL_DICT = {'key': 'value'}
sysfs = SysfsFuse()
sysfs._root = copy.deepcopy(SMALL_DICT)
reply = sysfs._parse_line("GET")
split = reply.split()
assert len(split) == 2
assert split[0] == 'OK'
assert decode_dict(split[1]) == SMALL_DICT
def test_readdir():
sysfs = SysfsFuse()
sysfs._root = copy.deepcopy(TEST_ROOT)
names = [x.name for x in sysfs.readdir('/', 0)]
assert '.' in names
assert '..' in names
assert 'dir1' in names
assert 'file1' in names
assert len(names) == 4
names = [x.name for x in sysfs.readdir('/dir1', 0)]
assert '.' in names
assert '..' in names
assert 'dir2' in names
assert len(names) == 3
def test_read():
sysfs = SysfsFuse()
sysfs._root = copy.deepcopy(TEST_ROOT)
ret = sysfs.read('/file0', 4096, 0)
assert ret == -errno.ENOENT
ret = sysfs.read('/file1', 4096, 0)
assert ret == ALL_BYTES
ret = sysfs.read('/file0', 4096, 0)
assert ret == -errno.ENOENT
def test_get_item():
sysfs = SysfsFuse()
sysfs._root = dict(TEST_ROOT)
item = sysfs._get_item('/')
assert item['name'] == '/'
item = sysfs._get_item('/dir1')
assert item['name'] == 'dir1'
item = sysfs._get_item('/dir1/dir2')
assert item['name'] == 'dir2'
item = sysfs._get_item('/dir1/dir2/dir3')
assert item is None
def test_getattr():
sysfs = SysfsFuse()
sysfs._root = copy.deepcopy(TEST_ROOT)
ret = sysfs.getattr('/file0')
assert ret == -errno.ENOENT
attr = sysfs.getattr('/dir1')
assert stat.S_IFMT(attr.st_mode) == stat.S_IFDIR
assert stat.S_IMODE(attr.st_mode) == 0o755
assert attr.st_size == 0
attr = sysfs.getattr('/file1')
assert stat.S_IFMT(attr.st_mode) == stat.S_IFREG
assert stat.S_IMODE(attr.st_mode) == 0o644
assert attr.st_size == 4096
def test_write():
sysfs = SysfsFuse()
sysfs._root = copy.deepcopy(TEST_ROOT)
ret = sysfs.write('/file0', b'', 0)
assert ret == -errno.ENOENT
item = sysfs._root['contents'][1]
assert item['name'] == 'file1'
ret = sysfs.write('/file1', b'test', 10)
assert ret == 4
assert decode_bytes(item['write_data']) == b'test'
assert item['write_offset'] == 10
ret = sysfs.write('/file0', b'test', 0)
assert ret == -errno.ENOENT
def test_poll():
sysfs = SysfsFuse()
sysfs._root = copy.deepcopy(TEST_ROOT)
poll_handle = object()
ret = sysfs.poll('/file0', poll_handle)
assert ret == -errno.ENOENT
ret = sysfs.poll('/file1', poll_handle)
assert ret == 0
assert sysfs._poll_handles['/file1'] is poll_handle
del sysfs._poll_handles['/file1']
file1 = sysfs._root['contents'][1]
assert file1['name'] == 'file1'
file1['poll_events'] = 1
ret = sysfs.poll('/file1', poll_handle)
assert ret == 1
assert '/file1' not in sysfs._poll_handles
def test_truncate():
sysfs = SysfsFuse()
sysfs._root = copy.deepcopy(TEST_ROOT)
ret = sysfs.truncate('/file0', 0)
assert ret == -errno.ENOENT
def test_open():
sysfs = SysfsFuse()
sysfs._root = copy.deepcopy(TEST_ROOT)
assert sysfs._root['contents'][1]['name'] == 'file1'
ret = sysfs.open('/file0', os.O_RDONLY)
assert ret == -errno.ENOENT
# read/write file can be opened any which way
sysfs._root['contents'][1]['mode'] = 0o666
err = sysfs.open('/file1', os.O_RDONLY)
assert err is None
err = sysfs.open('/file1', os.O_WRONLY)
assert err is None
err = sysfs.open('/file1', os.O_RDWR)
assert err is None
# read-only file can only be opened for reading
sysfs._root['contents'][1]['mode'] = 0o444
err = sysfs.open('/file1', os.O_RDONLY)
assert err is None
err = sysfs.open('/file1', os.O_WRONLY)
assert err == -errno.EACCES
err = sysfs.open('/file1', os.O_RDWR)
assert err == -errno.EACCES
# write-only file can only be opened for writing
sysfs._root['contents'][1]['mode'] = 0o222
err = sysfs.open('/file1', os.O_RDONLY)
assert err == -errno.EACCES
err = sysfs.open('/file1', os.O_WRONLY)
assert err is None
err = sysfs.open('/file1', os.O_RDWR)
assert err == -errno.EACCES
def test_setxattr():
sysfs = SysfsFuse()
attr = sysfs.setxattr('/', 'some.attr', 'value', 0)
assert attr == -errno.ENOTSUP