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import hypothesis.strategies as st
import tempfile
from typing import Any, Dict, List, Optional
import yaml
import string
from chromadb import TokenTransportHeader
from chromadb.test.property.strategies import collection_name
@st.composite
def many_unique_names(draw: st.DrawFn) -> List[str]:
# This is ugly -- is there a better way to guarantee ("guarantee")
# that we have enough unique names?
# 10 tests, <= 10 users, 2 iterations through the space, <= 2 names per action
length = len(valid_action_space) * 10 * 10 * 2 * 2
names = draw(
st.lists(
collection_name(),
min_size=length,
max_size=length,
)
)
seen = set()
unseen = []
for name in names:
if name in seen:
continue
seen.add(name)
unseen.append(name)
return unseen
@st.composite
def random_token(draw: st.DrawFn) -> str:
return draw(
st.text(alphabet=string.ascii_letters + string.digits, min_size=1, max_size=50)
)
@st.composite
def random_token_transport_header(draw: st.DrawFn) -> Optional[str]:
return draw(
st.sampled_from(
[
TokenTransportHeader.AUTHORIZATION,
TokenTransportHeader.X_CHROMA_TOKEN,
None,
]
)
)
@st.composite
def random_user_name(draw: st.DrawFn) -> str:
return draw(st.text(alphabet=string.ascii_letters, min_size=1, max_size=20))
@st.composite
def random_users_with_tokens(draw: st.DrawFn) -> List[Dict[str, Any]]:
users = draw(
st.lists(
st.fixed_dictionaries(
{
"id": random_user_name(),
"tokens": st.lists(random_token(), min_size=3, max_size=10),
}
),
min_size=1,
max_size=1,
)
)
unseen_users = []
seen_users = set()
seen_tokens = set()
for user in users:
if user["id"] in seen_users:
break
for token in user["tokens"]:
if token in seen_tokens:
break
else:
seen_users.add(user["id"])
for token in user["tokens"]:
seen_tokens.add(token)
unseen_users.append(user)
return unseen_users
@st.composite
def token_test_conf(draw: st.DrawFn) -> Dict[str, Any]:
users = draw(random_users_with_tokens())
filename = _dump_to_tmpfile({"users": users})
return {"users": users, "filename": filename}
valid_action_space = [
"system:reset",
"tenant:create_tenant",
"tenant:get_tenant",
"db:create_database",
"db:get_database",
"db:list_collections",
"db:create_collection",
"db:get_or_create_collection",
"collection:get_collection",
"collection:delete_collection",
"collection:update_collection",
"collection:add",
"collection:delete",
"collection:get",
"collection:query",
"collection:peek",
"collection:count",
"collection:update",
"collection:upsert",
]
def unauthorized_actions(authorized_actions: List[str]) -> List[str]:
return [action for action in valid_action_space if action not in authorized_actions]
@st.composite
def random_role_name(draw: st.DrawFn) -> str:
return draw(st.text(alphabet=string.ascii_letters, min_size=1, max_size=20))
@st.composite
def random_action(draw: st.DrawFn) -> str:
return draw(st.sampled_from(valid_action_space))
@st.composite
def random_allowed_actions_for_role(draw: st.DrawFn) -> List[str]:
actions = draw(st.sets(random_action(), min_size=1, max_size=10))
if any(
action in actions
for action in [
"collection:add",
"collection:delete",
"collection:get",
"collection:query",
"collection:peek",
"collection:update",
"collection:upsert",
"collection:count",
"collection:update_collection",
"collection:delete_collection",
]
):
actions.add("collection:get_collection")
if "collection:peek" in actions:
actions.add("collection:get")
actions.add("tenant:get_tenant")
actions.add("db:get_database")
return list(actions)
@st.composite
def random_roles(draw: st.DrawFn) -> List[Dict[str, Any]]:
roles = draw(
st.lists(
st.fixed_dictionaries(
{"id": random_role_name(), "actions": random_allowed_actions_for_role()}
),
min_size=1,
max_size=10,
),
)
unseen_roles = []
seen = set()
for role in roles:
if role["id"] in seen:
continue
seen.add(role["id"])
unseen_roles.append(role)
return unseen_roles
def _transform_roles_for_flush(roles: List[Dict[str, Any]]) -> Dict[str, Any]:
roles_mapping = {}
for role in roles:
roles_mapping.update({role["id"]: {"actions": role["actions"]}})
return roles_mapping
@st.composite
def random_users_and_roles(draw: st.DrawFn) -> Dict[str, Any]:
users = draw(random_users_with_tokens())
roles = draw(random_roles())
for user in users:
role_index = draw(st.integers(min_value=0, max_value=len(roles) - 1))
user["role"] = roles[role_index]["id"]
return {"users": users, "roles": roles}
def _root_user_and_role() -> Dict[str, Any]:
return {
"users": [{"id": "__root__", "tokens": ["__root__"], "role": "__root__"}],
"roles": [{"id": "__root__", "actions": valid_action_space}],
}
@st.composite
def rbac_test_conf(draw: st.DrawFn) -> Dict[str, Any]:
users_and_roles = draw(random_users_and_roles())
root_user_and_role = _root_user_and_role()
users_and_roles["users"].extend(root_user_and_role["users"])
users_and_roles["roles"].extend(root_user_and_role["roles"])
filename = _dump_to_tmpfile(
{
"users": users_and_roles["users"],
"roles_mapping": _transform_roles_for_flush(users_and_roles["roles"]),
}
)
return {
"users": users_and_roles["users"],
"roles": users_and_roles["roles"],
"filename": filename,
}
def _dump_to_tmpfile(data: Any) -> str:
tmp = tempfile.NamedTemporaryFile(delete=False)
with open(tmp.name, "w") as f:
yaml.dump(data, f)
return tmp.name
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