langflow/tests/conftest.py

157 lines
3.7 KiB
Python

from contextlib import contextmanager
import json
from pathlib import Path
from typing import AsyncGenerator, TYPE_CHECKING
from langflow.api.v1.flows import get_session
from langflow.graph.graph.base import Graph
import pytest
from fastapi.testclient import TestClient
from httpx import AsyncClient
from sqlmodel import SQLModel, Session, create_engine
from sqlmodel.pool import StaticPool
from typer.testing import CliRunner
if TYPE_CHECKING:
from langflow.services.database.manager import DatabaseManager
def pytest_configure():
pytest.BASIC_EXAMPLE_PATH = (
Path(__file__).parent.absolute() / "data" / "basic_example.json"
)
pytest.COMPLEX_EXAMPLE_PATH = (
Path(__file__).parent.absolute() / "data" / "complex_example.json"
)
pytest.OPENAPI_EXAMPLE_PATH = (
Path(__file__).parent.absolute() / "data" / "Openapi.json"
)
pytest.CODE_WITH_SYNTAX_ERROR = """
def get_text():
retun "Hello World"
"""
@pytest.fixture()
async def async_client() -> AsyncGenerator:
from langflow.main import create_app
app = create_app()
async with AsyncClient(app=app, base_url="http://testserver") as client:
yield client
# Create client fixture for FastAPI
@pytest.fixture(scope="module")
def client():
from langflow.main import create_app
app = create_app()
with TestClient(app) as client:
yield client
def get_graph(_type="basic"):
"""Get a graph from a json file"""
if _type == "basic":
path = pytest.BASIC_EXAMPLE_PATH
elif _type == "complex":
path = pytest.COMPLEX_EXAMPLE_PATH
elif _type == "openapi":
path = pytest.OPENAPI_EXAMPLE_PATH
with open(path, "r") as f:
flow_graph = json.load(f)
data_graph = flow_graph["data"]
nodes = data_graph["nodes"]
edges = data_graph["edges"]
return Graph(nodes, edges)
@pytest.fixture
def basic_graph_data():
with open(pytest.BASIC_EXAMPLE_PATH, "r") as f:
return json.load(f)
@pytest.fixture
def basic_graph():
return get_graph()
@pytest.fixture
def complex_graph():
return get_graph("complex")
@pytest.fixture
def openapi_graph():
return get_graph("openapi")
@pytest.fixture
def json_flow():
with open(pytest.BASIC_EXAMPLE_PATH, "r") as f:
return f.read()
@pytest.fixture(name="session")
def session_fixture():
engine = create_engine(
"sqlite://", connect_args={"check_same_thread": False}, poolclass=StaticPool
)
SQLModel.metadata.create_all(engine)
with Session(engine) as session:
yield session
@pytest.fixture(name="client")
def client_fixture(session: Session):
def get_session_override():
return session
from langflow.main import create_app
app = create_app()
app.dependency_overrides[get_session] = get_session_override
with TestClient(app) as client:
yield client
app.dependency_overrides.clear()
# @contextmanager
# def session_getter():
# try:
# session = Session(engine)
# yield session
# except Exception as e:
# print("Session rollback because of exception:", e)
# session.rollback()
# raise
# finally:
# session.close()
# create a fixture for session_getter above
@pytest.fixture(name="session_getter")
def session_getter_fixture(client):
engine = create_engine(
"sqlite://", connect_args={"check_same_thread": False}, poolclass=StaticPool
)
SQLModel.metadata.create_all(engine)
@contextmanager
def blank_session_getter(db_manager: "DatabaseManager"):
with Session(db_manager.engine) as session:
yield session
yield blank_session_getter
@pytest.fixture
def runner():
return CliRunner()