llama-stack/tests/unit/server/test_access_control.py
Derek Higgins 2e807b38cc
chore: Add fixtures to conftest.py (#2067)
Add fixtures for SqliteKVStore, DiskDistributionRegistry and
CachedDiskDistributionRegistry. And use them in tests that had all been
duplicating similar setups.

## Test Plan
unit tests continue to run

Signed-off-by: Derek Higgins <derekh@redhat.com>
2025-05-06 13:57:48 +02:00

225 lines
8.7 KiB
Python

# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described in the LICENSE file in
# the root directory of this source tree.
from unittest.mock import MagicMock, Mock, patch
import pytest
from llama_stack.apis.datatypes import Api
from llama_stack.apis.models import ModelType
from llama_stack.distribution.datatypes import AccessAttributes, ModelWithACL
from llama_stack.distribution.routers.routing_tables import ModelsRoutingTable
class AsyncMock(MagicMock):
async def __call__(self, *args, **kwargs):
return super().__call__(*args, **kwargs)
def _return_model(model):
return model
@pytest.fixture
async def test_setup(cached_disk_dist_registry):
mock_inference = Mock()
mock_inference.__provider_spec__ = MagicMock()
mock_inference.__provider_spec__.api = Api.inference
mock_inference.register_model = AsyncMock(side_effect=_return_model)
routing_table = ModelsRoutingTable(
impls_by_provider_id={"test_provider": mock_inference},
dist_registry=cached_disk_dist_registry,
)
yield cached_disk_dist_registry, routing_table
@pytest.mark.asyncio
@patch("llama_stack.distribution.routers.routing_tables.get_auth_attributes")
async def test_access_control_with_cache(mock_get_auth_attributes, test_setup):
registry, routing_table = test_setup
model_public = ModelWithACL(
identifier="model-public",
provider_id="test_provider",
provider_resource_id="model-public",
model_type=ModelType.llm,
)
model_admin_only = ModelWithACL(
identifier="model-admin",
provider_id="test_provider",
provider_resource_id="model-admin",
model_type=ModelType.llm,
access_attributes=AccessAttributes(roles=["admin"]),
)
model_data_scientist = ModelWithACL(
identifier="model-data-scientist",
provider_id="test_provider",
provider_resource_id="model-data-scientist",
model_type=ModelType.llm,
access_attributes=AccessAttributes(roles=["data-scientist", "researcher"], teams=["ml-team"]),
)
await registry.register(model_public)
await registry.register(model_admin_only)
await registry.register(model_data_scientist)
mock_get_auth_attributes.return_value = {"roles": ["admin"], "teams": ["management"]}
all_models = await routing_table.list_models()
assert len(all_models.data) == 2
model = await routing_table.get_model("model-public")
assert model.identifier == "model-public"
model = await routing_table.get_model("model-admin")
assert model.identifier == "model-admin"
with pytest.raises(ValueError):
await routing_table.get_model("model-data-scientist")
mock_get_auth_attributes.return_value = {"roles": ["data-scientist"], "teams": ["other-team"]}
all_models = await routing_table.list_models()
assert len(all_models.data) == 1
assert all_models.data[0].identifier == "model-public"
model = await routing_table.get_model("model-public")
assert model.identifier == "model-public"
with pytest.raises(ValueError):
await routing_table.get_model("model-admin")
with pytest.raises(ValueError):
await routing_table.get_model("model-data-scientist")
mock_get_auth_attributes.return_value = {"roles": ["data-scientist"], "teams": ["ml-team"]}
all_models = await routing_table.list_models()
assert len(all_models.data) == 2
model_ids = [m.identifier for m in all_models.data]
assert "model-public" in model_ids
assert "model-data-scientist" in model_ids
assert "model-admin" not in model_ids
model = await routing_table.get_model("model-public")
assert model.identifier == "model-public"
model = await routing_table.get_model("model-data-scientist")
assert model.identifier == "model-data-scientist"
with pytest.raises(ValueError):
await routing_table.get_model("model-admin")
@pytest.mark.asyncio
@patch("llama_stack.distribution.routers.routing_tables.get_auth_attributes")
async def test_access_control_and_updates(mock_get_auth_attributes, test_setup):
registry, routing_table = test_setup
model_public = ModelWithACL(
identifier="model-updates",
provider_id="test_provider",
provider_resource_id="model-updates",
model_type=ModelType.llm,
)
await registry.register(model_public)
mock_get_auth_attributes.return_value = {
"roles": ["user"],
}
model = await routing_table.get_model("model-updates")
assert model.identifier == "model-updates"
model_public.access_attributes = AccessAttributes(roles=["admin"])
await registry.update(model_public)
mock_get_auth_attributes.return_value = {
"roles": ["user"],
}
with pytest.raises(ValueError):
await routing_table.get_model("model-updates")
mock_get_auth_attributes.return_value = {
"roles": ["admin"],
}
model = await routing_table.get_model("model-updates")
assert model.identifier == "model-updates"
@pytest.mark.asyncio
@patch("llama_stack.distribution.routers.routing_tables.get_auth_attributes")
async def test_access_control_empty_attributes(mock_get_auth_attributes, test_setup):
registry, routing_table = test_setup
model = ModelWithACL(
identifier="model-empty-attrs",
provider_id="test_provider",
provider_resource_id="model-empty-attrs",
model_type=ModelType.llm,
access_attributes=AccessAttributes(),
)
await registry.register(model)
mock_get_auth_attributes.return_value = {
"roles": [],
}
result = await routing_table.get_model("model-empty-attrs")
assert result.identifier == "model-empty-attrs"
all_models = await routing_table.list_models()
model_ids = [m.identifier for m in all_models.data]
assert "model-empty-attrs" in model_ids
@pytest.mark.asyncio
@patch("llama_stack.distribution.routers.routing_tables.get_auth_attributes")
async def test_no_user_attributes(mock_get_auth_attributes, test_setup):
registry, routing_table = test_setup
model_public = ModelWithACL(
identifier="model-public-2",
provider_id="test_provider",
provider_resource_id="model-public-2",
model_type=ModelType.llm,
)
model_restricted = ModelWithACL(
identifier="model-restricted",
provider_id="test_provider",
provider_resource_id="model-restricted",
model_type=ModelType.llm,
access_attributes=AccessAttributes(roles=["admin"]),
)
await registry.register(model_public)
await registry.register(model_restricted)
mock_get_auth_attributes.return_value = None
model = await routing_table.get_model("model-public-2")
assert model.identifier == "model-public-2"
with pytest.raises(ValueError):
await routing_table.get_model("model-restricted")
all_models = await routing_table.list_models()
assert len(all_models.data) == 1
assert all_models.data[0].identifier == "model-public-2"
@pytest.mark.asyncio
@patch("llama_stack.distribution.routers.routing_tables.get_auth_attributes")
async def test_automatic_access_attributes(mock_get_auth_attributes, test_setup):
"""Test that newly created resources inherit access attributes from their creator."""
registry, routing_table = test_setup
# Set creator's attributes
creator_attributes = {"roles": ["data-scientist"], "teams": ["ml-team"], "projects": ["llama-3"]}
mock_get_auth_attributes.return_value = creator_attributes
# Create model without explicit access attributes
model = ModelWithACL(
identifier="auto-access-model",
provider_id="test_provider",
provider_resource_id="auto-access-model",
model_type=ModelType.llm,
)
await routing_table.register_object(model)
# Verify the model got creator's attributes
registered_model = await routing_table.get_model("auto-access-model")
assert registered_model.access_attributes is not None
assert registered_model.access_attributes.roles == ["data-scientist"]
assert registered_model.access_attributes.teams == ["ml-team"]
assert registered_model.access_attributes.projects == ["llama-3"]
# Verify another user without matching attributes can't access it
mock_get_auth_attributes.return_value = {"roles": ["engineer"], "teams": ["infra-team"]}
with pytest.raises(ValueError):
await routing_table.get_model("auto-access-model")
# But a user with matching attributes can
mock_get_auth_attributes.return_value = {
"roles": ["data-scientist", "engineer"],
"teams": ["ml-team", "platform-team"],
"projects": ["llama-3"],
}
model = await routing_table.get_model("auto-access-model")
assert model.identifier == "auto-access-model"