def test_stat_perm(self):
parents = (None, Node(0, 0, 0o755))
uids = (0, 1, 1000)
gids = (0, 1, 1000)
perms = range(512)
for pa, nu, ng, np, u, g in itertools.product(parents, uids, gids,
perms, uids, gids):
if pa is None or pa.may_read(u, (g, )):
Node(nu, ng, np, parent=pa).stat(u, (g, ))
else:
with pytest.raises(RootspacePermissionError):
Node(pa, nu, ng, np, parent=pa).stat(u, (g, ))
def test_modify_perm_perm(self):
uids = (0, 1, 1000)
gids = (0, 1, 1000)
perms = range(512)
new_perms = (0, )
for nu, ng, np, u, g, pp in itertools.product(uids, gids, perms, uids,
gids, new_perms):
if u == 0 or u == nu:
Node(nu, ng, np).modify_perm(u, (g, ), pp)
else:
with pytest.raises(RootspacePermissionError):
Node(nu, ng, np).modify_perm(u, (g, ), pp)
def test_may_execute(self):
uids = (0, 1, 1000)
gids = (0, 1, 1000)
perms = range(512)
def exp_exec(nuid, ngid, nperm, uid, gid):
perm_bits = (((nperm // 64) % 2) > 0,
(((nperm % 64) // 8) % 2) > 0, ((nperm % 8) % 2) > 0)
privileged = (uid == 0 and any(perm_bits))
user_perm = (uid == nuid and perm_bits[0])
group_perm = (gid == ngid and perm_bits[1])
other_perm = perm_bits[2]
return privileged or user_perm or group_perm or other_perm
for nu, ng, np, u, g in itertools.product(uids, gids, perms, uids,
gids):
assert Node(nu, ng,
np).may_execute(u,
(g, )) == exp_exec(nu, ng, np, u, g)
def test_perm_str(self):
assert isinstance(Node(0, 0, 0)._perm_str(), str)
def test_to_dict(self):
value = Node(0, 0, 0o755).to_dict(0, (0, ))
assert isinstance(value, dict)
assert isinstance(json.dumps(value), str)
def test_stat_value(self):
value = Node(0, 0, 0o755).stat(0, (0, ))
assert isinstance(value, dict)
assert all(k in value for k in ("uid", "gid", "perm", "accessed",
"modified", "changed"))
def test_modify_perm_input(self):
for pp in (None, float(), str(), dict(), list(), tuple(), set(),
object()):
with pytest.raises(TypeError):
Node(0, 0, 0).modify_perm(0, (0, ), pp)
def test_modify_parent_input(self):
for npa in (None, int(), float(), str(), dict(), list(), tuple(),
set(), object()):
with pytest.raises(TypeError):
Node(0, 0, 0).modify_parent(0, (0, ), npa)
def test_instantiation(self):
parent = Node(0, 0, 0)
Node(0, 0, 0, parent=parent)