fastmcp/tests/auth/verifiers/test_env_jwt.py

89 lines
3.4 KiB
Python

import pytest
from pydantic import ValidationError
from fastmcp import FastMCP
from fastmcp.server.auth.verifiers import EnvJWTVerifier, JWTVerifier
from fastmcp.settings import Settings
from fastmcp.utilities.tests import temporary_settings
def test_load_bearer_env_from_env_var(monkeypatch):
mcp = FastMCP()
assert mcp.auth is None
monkeypatch.setenv("FASTMCP_DEFAULT_AUTH_PROVIDER", "jwt-env")
monkeypatch.setenv("FASTMCP_AUTH_JWT_PUBLIC_KEY", "test-public-key")
with temporary_settings(**Settings().model_dump()):
mcp_with_auth = FastMCP()
assert isinstance(mcp_with_auth.auth, EnvJWTVerifier)
def test_load_bearer_env_from_env_var_requires_public_key_or_jwks_uri(monkeypatch):
mcp = FastMCP()
assert mcp.auth is None
monkeypatch.setenv("FASTMCP_DEFAULT_AUTH_PROVIDER", "jwt-env")
with temporary_settings(**Settings().model_dump()):
with pytest.raises(
ValueError, match="Either public_key or jwks_uri must be provided"
):
FastMCP()
def test_configure_bearer_env_from_env_var(monkeypatch):
monkeypatch.setenv("FASTMCP_DEFAULT_AUTH_PROVIDER", "jwt-env")
monkeypatch.setenv("FASTMCP_AUTH_JWT_PUBLIC_KEY", "test-public-key")
monkeypatch.setenv("FASTMCP_AUTH_JWT_ISSUER", "http://test-issuer")
monkeypatch.setenv("FASTMCP_AUTH_JWT_AUDIENCE", "test-audience")
monkeypatch.setenv(
"FASTMCP_AUTH_JWT_REQUIRED_SCOPES", '["test-scope1", "test-scope2"]'
)
with temporary_settings(**Settings().model_dump()):
mcp = FastMCP()
assert isinstance(mcp.auth, EnvJWTVerifier)
assert mcp.auth.public_key == "test-public-key"
assert mcp.auth.audience == "test-audience"
assert mcp.auth.required_scopes == ["test-scope1", "test-scope2"]
def test_list_of_scopes_must_be_a_list(monkeypatch):
monkeypatch.setenv("FASTMCP_DEFAULT_AUTH_PROVIDER", "jwt-env")
monkeypatch.setenv("FASTMCP_AUTH_JWT_REQUIRED_SCOPES", "test-scope1")
with temporary_settings(**Settings().model_dump()):
with pytest.raises(ValidationError, match="Input should be a valid list"):
FastMCP()
def test_configure_bearer_env_jwks_uri_from_env_var(monkeypatch):
monkeypatch.setenv("FASTMCP_DEFAULT_AUTH_PROVIDER", "jwt-env")
monkeypatch.setenv("FASTMCP_AUTH_JWT_JWKS_URI", "test-jwks-uri")
with temporary_settings(**Settings().model_dump()):
mcp = FastMCP()
assert isinstance(mcp.auth, EnvJWTVerifier)
assert mcp.auth.jwks_uri == "test-jwks-uri"
def test_configure_bearer_env_public_key_and_jwks_uri_error(monkeypatch):
monkeypatch.setenv("FASTMCP_DEFAULT_AUTH_PROVIDER", "jwt-env")
monkeypatch.setenv("FASTMCP_AUTH_JWT_PUBLIC_KEY", "test-public-key")
monkeypatch.setenv("FASTMCP_AUTH_JWT_JWKS_URI", "test-jwks-uri")
with temporary_settings(**Settings().model_dump()):
with pytest.raises(ValueError, match="Provide either public_key or jwks_uri"):
FastMCP()
def test_provided_auth_takes_precedence_over_env_vars(monkeypatch):
monkeypatch.setenv("FASTMCP_DEFAULT_AUTH_PROVIDER", "jwt-env")
monkeypatch.setenv("FASTMCP_AUTH_JWT_PUBLIC_KEY", "test-public-key")
with temporary_settings(**Settings().model_dump()):
mcp = FastMCP(auth=JWTVerifier(public_key="test-public-key-2"))
assert isinstance(mcp.auth, JWTVerifier)
assert not isinstance(mcp.auth, EnvJWTVerifier)
assert mcp.auth.public_key == "test-public-key-2"