fastmcp/tests/server/auth/providers/test_auth0.py

277 lines
11 KiB
Python

"""Unit tests for Auth0 OAuth provider."""
import os
from unittest.mock import patch
import pytest
from fastmcp.server.auth.oidc_proxy import OIDCConfiguration
from fastmcp.server.auth.providers.auth0 import Auth0Provider, Auth0ProviderSettings
from fastmcp.server.auth.providers.jwt import JWTVerifier
TEST_CONFIG_URL = "https://example.com/.well-known/openid-configuration"
TEST_CLIENT_ID = "test-client-id"
TEST_CLIENT_SECRET = "test-client-secret"
TEST_AUDIENCE = "test-audience"
TEST_BASE_URL = "https://example.com:8000/"
TEST_REDIRECT_PATH = "/test/callback"
TEST_REQUIRED_SCOPES = ["openid", "email"]
@pytest.fixture
def valid_oidc_configuration_dict():
"""Create a valid OIDC configuration dict for testing."""
return {
"issuer": "https://example.com",
"authorization_endpoint": "https://example.com/authorize",
"token_endpoint": "https://example.com/oauth/token",
"jwks_uri": "https://example.com/.well-known/jwks.json",
"response_types_supported": ["code"],
"subject_types_supported": ["public"],
"id_token_signing_alg_values_supported": ["RS256"],
}
class TestAuth0ProviderSettings:
"""Test settings for Auth0 OAuth provider."""
def test_settings_from_env_vars(self):
"""Test that settings can be loaded from environment variables."""
with patch.dict(
os.environ,
{
"FASTMCP_SERVER_AUTH_AUTH0_CONFIG_URL": TEST_CONFIG_URL,
"FASTMCP_SERVER_AUTH_AUTH0_CLIENT_ID": TEST_CLIENT_ID,
"FASTMCP_SERVER_AUTH_AUTH0_CLIENT_SECRET": TEST_CLIENT_SECRET,
"FASTMCP_SERVER_AUTH_AUTH0_AUDIENCE": TEST_AUDIENCE,
"FASTMCP_SERVER_AUTH_AUTH0_BASE_URL": TEST_BASE_URL,
"FASTMCP_SERVER_AUTH_AUTH0_REDIRECT_PATH": TEST_REDIRECT_PATH,
"FASTMCP_SERVER_AUTH_AUTH0_REQUIRED_SCOPES": ",".join(
TEST_REQUIRED_SCOPES
),
},
):
settings = Auth0ProviderSettings()
assert str(settings.config_url) == TEST_CONFIG_URL
assert settings.client_id == TEST_CLIENT_ID
assert (
settings.client_secret
and settings.client_secret.get_secret_value() == TEST_CLIENT_SECRET
)
assert settings.audience == TEST_AUDIENCE
assert str(settings.base_url) == TEST_BASE_URL
assert settings.redirect_path == TEST_REDIRECT_PATH
assert settings.required_scopes == TEST_REQUIRED_SCOPES
def test_settings_explicit_override_env(self):
"""Test that explicit settings override environment variables."""
with patch.dict(
os.environ,
{
"FASTMCP_SERVER_AUTH_AUTH0_CLIENT_ID": TEST_CLIENT_ID,
"FASTMCP_SERVER_AUTH_AUTH0_CLIENT_SECRET": TEST_CLIENT_SECRET,
},
):
settings = Auth0ProviderSettings.model_validate(
{
"client_id": "explicit_client_id",
"client_secret": "explicit_secret",
}
)
assert settings.client_id == "explicit_client_id"
assert (
settings.client_secret
and settings.client_secret.get_secret_value() == "explicit_secret"
)
class TestAuth0Provider:
"""Test Auth0Provider initialization."""
def test_init_with_explicit_params(self, valid_oidc_configuration_dict):
"""Test initialization with explicit parameters."""
with patch(
"fastmcp.server.auth.oidc_proxy.OIDCConfiguration.get_oidc_configuration"
) as mock_get:
oidc_config = OIDCConfiguration.model_validate(
valid_oidc_configuration_dict
)
mock_get.return_value = oidc_config
provider = Auth0Provider(
config_url=TEST_CONFIG_URL,
client_id=TEST_CLIENT_ID,
client_secret=TEST_CLIENT_SECRET,
audience=TEST_AUDIENCE,
base_url=TEST_BASE_URL,
redirect_path=TEST_REDIRECT_PATH,
required_scopes=TEST_REQUIRED_SCOPES,
)
mock_get.assert_called_once()
call_args = mock_get.call_args
assert str(call_args[0][0]) == TEST_CONFIG_URL
assert provider._upstream_client_id == TEST_CLIENT_ID
assert (
provider._upstream_client_secret.get_secret_value()
== TEST_CLIENT_SECRET
)
assert isinstance(provider._token_validator, JWTVerifier)
assert provider._token_validator.audience == TEST_AUDIENCE
assert str(provider.base_url) == TEST_BASE_URL
assert provider._redirect_path == TEST_REDIRECT_PATH
assert provider._token_validator.required_scopes == TEST_REQUIRED_SCOPES
@pytest.mark.parametrize(
"scopes_env",
[
"openid,email",
'["openid", "email"]',
],
)
def test_init_with_env_vars(self, scopes_env, valid_oidc_configuration_dict):
"""Test initialization with environment variables."""
with (
patch.dict(
os.environ,
{
"FASTMCP_SERVER_AUTH_AUTH0_CONFIG_URL": TEST_CONFIG_URL,
"FASTMCP_SERVER_AUTH_AUTH0_CLIENT_ID": TEST_CLIENT_ID,
"FASTMCP_SERVER_AUTH_AUTH0_CLIENT_SECRET": TEST_CLIENT_SECRET,
"FASTMCP_SERVER_AUTH_AUTH0_AUDIENCE": TEST_AUDIENCE,
"FASTMCP_SERVER_AUTH_AUTH0_BASE_URL": TEST_BASE_URL,
"FASTMCP_SERVER_AUTH_AUTH0_REQUIRED_SCOPES": scopes_env,
},
),
patch(
"fastmcp.server.auth.oidc_proxy.OIDCConfiguration.get_oidc_configuration"
) as mock_get,
):
oidc_config = OIDCConfiguration.model_validate(
valid_oidc_configuration_dict
)
mock_get.return_value = oidc_config
provider = Auth0Provider()
mock_get.assert_called_once()
call_args = mock_get.call_args
assert str(call_args[0][0]) == TEST_CONFIG_URL
assert provider._upstream_client_id == TEST_CLIENT_ID
assert (
provider._upstream_client_secret.get_secret_value()
== TEST_CLIENT_SECRET
)
assert isinstance(provider._token_validator, JWTVerifier)
assert provider._token_validator.audience == TEST_AUDIENCE
assert str(provider.base_url) == TEST_BASE_URL
assert provider._token_validator.required_scopes == TEST_REQUIRED_SCOPES
def test_init_explicit_overrides_env(self, valid_oidc_configuration_dict):
"""Test that explicit parameters override environment variables."""
with (
patch.dict(
os.environ,
{
"FASTMCP_SERVER_AUTH_AUTH0_CONFIG_URL": TEST_CONFIG_URL,
"FASTMCP_SERVER_AUTH_AUTH0_CLIENT_ID": TEST_CLIENT_ID,
"FASTMCP_SERVER_AUTH_AUTH0_CLIENT_SECRET": TEST_CLIENT_SECRET,
"FASTMCP_SERVER_AUTH_AUTH0_AUDIENCE": TEST_AUDIENCE,
"FASTMCP_SERVER_AUTH_AUTH0_BASE_URL": TEST_BASE_URL,
},
),
patch(
"fastmcp.server.auth.oidc_proxy.OIDCConfiguration.get_oidc_configuration"
) as mock_get,
):
oidc_config = OIDCConfiguration.model_validate(
valid_oidc_configuration_dict
)
mock_get.return_value = oidc_config
provider = Auth0Provider(
client_id="explicit_client",
client_secret="explicit_secret",
)
assert provider._upstream_client_id == "explicit_client"
assert (
provider._upstream_client_secret.get_secret_value() == "explicit_secret"
)
def test_init_missing_config_url_raises_error(self):
"""Test that missing config_url raises ValueError."""
# Clear environment variables to test proper error handling
with patch.dict(os.environ, {}, clear=True):
with pytest.raises(ValueError, match="config_url is required"):
Auth0Provider()
def test_init_missing_client_id_raises_error(self):
"""Test that missing client_id raises ValueError."""
# Clear environment variables to test proper error handling
with patch.dict(os.environ, {}, clear=True):
with pytest.raises(ValueError, match="client_id is required"):
Auth0Provider(config_url=TEST_CONFIG_URL)
def test_init_missing_client_secret_raises_error(self):
"""Test that missing client_secret raises ValueError."""
# Clear environment variables to test proper error handling
with patch.dict(os.environ, {}, clear=True):
with pytest.raises(ValueError, match="client_secret is required"):
Auth0Provider(config_url=TEST_CONFIG_URL, client_id=TEST_CLIENT_ID)
def test_init_missing_audience_raises_error(self):
"""Test that missing audience raises ValueError."""
# Clear environment variables to test proper error handling
with patch.dict(os.environ, {}, clear=True):
with pytest.raises(ValueError, match="audience is required"):
Auth0Provider(
config_url=TEST_CONFIG_URL,
client_id=TEST_CLIENT_ID,
client_secret=TEST_CLIENT_SECRET,
)
def test_init_missing_base_url_raises_error(self):
"""Test that missing base_url raises ValueError."""
# Clear environment variables to test proper error handling
with patch.dict(os.environ, {}, clear=True):
with pytest.raises(ValueError, match="base_url is required"):
Auth0Provider(
config_url=TEST_CONFIG_URL,
client_id=TEST_CLIENT_ID,
client_secret=TEST_CLIENT_SECRET,
audience=TEST_AUDIENCE,
)
def test_init_defaults(self, valid_oidc_configuration_dict):
"""Test that default values are applied correctly."""
with patch(
"fastmcp.server.auth.oidc_proxy.OIDCConfiguration.get_oidc_configuration"
) as mock_get:
oidc_config = OIDCConfiguration.model_validate(
valid_oidc_configuration_dict
)
mock_get.return_value = oidc_config
provider = Auth0Provider(
config_url=TEST_CONFIG_URL,
client_id=TEST_CLIENT_ID,
client_secret=TEST_CLIENT_SECRET,
audience=TEST_AUDIENCE,
base_url=TEST_BASE_URL,
)
# Check defaults
assert str(provider.base_url) == TEST_BASE_URL
assert provider._redirect_path == "/auth/callback"
assert provider._token_validator.required_scopes == ["openid"]