421 lines
17 KiB
Python
421 lines
17 KiB
Python
import json
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from collections import namedtuple
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from uuid import UUID, uuid4
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import orjson
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import pytest
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from fastapi.testclient import TestClient
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from sqlmodel import Session
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from langflow.api.v1.schemas import FlowListCreate, ResultDataResponse
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from langflow.graph.utils import log_transaction, log_vertex_build
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from langflow.initial_setup.setup import load_flows_from_directory, load_starter_projects
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from langflow.services.database.models.base import orjson_dumps
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from langflow.services.database.models.flow import Flow, FlowCreate, FlowUpdate
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from langflow.services.database.models.transactions.crud import get_transactions_by_flow_id
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from langflow.services.database.utils import migrate_transactions_from_monitor_service_to_database, session_getter
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from langflow.services.deps import get_db_service, get_monitor_service, session_scope
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from langflow.services.monitor.schema import TransactionModel
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from langflow.services.monitor.utils import (
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add_row_to_table,
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drop_and_create_table_if_schema_mismatch,
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new_duckdb_locked_connection,
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)
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@pytest.fixture(scope="module")
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def json_style():
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# class FlowStyleBase(SQLModel):
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# color: str = Field(index=True)
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# emoji: str = Field(index=False)
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# flow_id: UUID = Field(default=None, foreign_key="flow.id")
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return orjson_dumps(
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{
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"color": "red",
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"emoji": "👍",
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}
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)
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def test_create_flow(client: TestClient, json_flow: str, active_user, logged_in_headers):
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flow = orjson.loads(json_flow)
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data = flow["data"]
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flow = FlowCreate(name=str(uuid4()), description="description", data=data)
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response = client.post("api/v1/flows/", json=flow.model_dump(), headers=logged_in_headers)
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assert response.status_code == 201
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assert response.json()["name"] == flow.name
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assert response.json()["data"] == flow.data
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# flow is optional so we can create a flow without a flow
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flow = FlowCreate(name=str(uuid4()))
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response = client.post("api/v1/flows/", json=flow.model_dump(exclude_unset=True), headers=logged_in_headers)
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assert response.status_code == 201
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assert response.json()["name"] == flow.name
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assert response.json()["data"] == flow.data
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def test_read_flows(client: TestClient, json_flow: str, active_user, logged_in_headers):
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flow_data = orjson.loads(json_flow)
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data = flow_data["data"]
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flow = FlowCreate(name=str(uuid4()), description="description", data=data)
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response = client.post("api/v1/flows/", json=flow.model_dump(), headers=logged_in_headers)
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assert response.status_code == 201
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assert response.json()["name"] == flow.name
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assert response.json()["data"] == flow.data
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flow = FlowCreate(name=str(uuid4()), description="description", data=data)
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response = client.post("api/v1/flows/", json=flow.model_dump(), headers=logged_in_headers)
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assert response.status_code == 201
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assert response.json()["name"] == flow.name
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assert response.json()["data"] == flow.data
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response = client.get("api/v1/flows/", headers=logged_in_headers)
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assert response.status_code == 200
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assert len(response.json()) > 0
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def test_read_flow(client: TestClient, json_flow: str, logged_in_headers):
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flow = orjson.loads(json_flow)
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data = flow["data"]
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unique_name = str(uuid4())
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flow = FlowCreate(name=unique_name, description="description", data=data)
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response = client.post("api/v1/flows/", json=flow.model_dump(), headers=logged_in_headers)
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flow_id = response.json()["id"] # flow_id should be a UUID but is a string
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# turn it into a UUID
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flow_id = UUID(flow_id)
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response = client.get(f"api/v1/flows/{flow_id}", headers=logged_in_headers)
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assert response.status_code == 200
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assert response.json()["name"] == flow.name
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assert response.json()["data"] == flow.data
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def test_update_flow(client: TestClient, json_flow: str, active_user, logged_in_headers):
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flow = orjson.loads(json_flow)
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data = flow["data"]
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flow = FlowCreate(name="Test Flow", description="description", data=data)
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response = client.post("api/v1/flows/", json=flow.model_dump(), headers=logged_in_headers)
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flow_id = response.json()["id"]
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updated_flow = FlowUpdate(
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name="Updated Flow",
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description="updated description",
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data=data,
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)
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response = client.patch(f"api/v1/flows/{flow_id}", json=updated_flow.model_dump(), headers=logged_in_headers)
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assert response.status_code == 200
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assert response.json()["name"] == updated_flow.name
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assert response.json()["description"] == updated_flow.description
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# assert response.json()["data"] == updated_flow.data
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def test_delete_flow(client: TestClient, json_flow: str, active_user, logged_in_headers):
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flow = orjson.loads(json_flow)
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data = flow["data"]
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flow = FlowCreate(name="Test Flow", description="description", data=data)
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response = client.post("api/v1/flows/", json=flow.model_dump(), headers=logged_in_headers)
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flow_id = response.json()["id"]
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response = client.delete(f"api/v1/flows/{flow_id}", headers=logged_in_headers)
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assert response.status_code == 200
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assert response.json()["message"] == "Flow deleted successfully"
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def test_delete_flows(client: TestClient, json_flow: str, active_user, logged_in_headers):
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# Create ten flows
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number_of_flows = 10
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flows = [FlowCreate(name=f"Flow {i}", description="description", data={}) for i in range(number_of_flows)]
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flow_ids = []
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for flow in flows:
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response = client.post("api/v1/flows/", json=flow.model_dump(), headers=logged_in_headers)
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assert response.status_code == 201
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flow_ids.append(response.json()["id"])
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response = client.request("DELETE", "api/v1/flows/", headers=logged_in_headers, json=flow_ids)
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assert response.status_code == 200, response.content
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assert response.json().get("deleted") == number_of_flows
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@pytest.mark.asyncio
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async def test_delete_flows_with_transaction_and_build(
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client: TestClient, json_flow: str, active_user, logged_in_headers
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):
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# Create ten flows
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number_of_flows = 10
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flows = [FlowCreate(name=f"Flow {i}", description="description", data={}) for i in range(number_of_flows)]
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flow_ids = []
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for flow in flows:
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response = client.post("api/v1/flows/", json=flow.model_dump(), headers=logged_in_headers)
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assert response.status_code == 201
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flow_ids.append(response.json()["id"])
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# Create a transaction for each flow
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for flow_id in flow_ids:
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VertexTuple = namedtuple("VertexTuple", ["id"])
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await log_transaction(
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str(flow_id), source=VertexTuple(id="vid"), target=VertexTuple(id="tid"), status="success"
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)
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# Create a build for each flow
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for flow_id in flow_ids:
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build = {
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"valid": True,
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"params": {},
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"data": ResultDataResponse(),
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"artifacts": {},
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"vertex_id": "vid",
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"flow_id": flow_id,
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}
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log_vertex_build(
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flow_id=build["flow_id"],
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vertex_id=build["vertex_id"],
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valid=build["valid"],
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params=build["params"],
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data=build["data"],
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artifacts=build.get("artifacts"),
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)
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response = client.request("DELETE", "api/v1/flows/", headers=logged_in_headers, json=flow_ids)
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assert response.status_code == 200, response.content
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assert response.json().get("deleted") == number_of_flows
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for flow_id in flow_ids:
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response = client.request(
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"GET", "api/v1/monitor/transactions", params={"flow_id": flow_id}, headers=logged_in_headers
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)
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assert response.status_code == 200
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assert response.json() == []
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for flow_id in flow_ids:
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response = client.request(
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"GET", "api/v1/monitor/builds", params={"flow_id": flow_id}, headers=logged_in_headers
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)
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assert response.status_code == 200
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assert response.json() == {"vertex_builds": {}}
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def test_create_flows(client: TestClient, session: Session, json_flow: str, logged_in_headers):
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flow = orjson.loads(json_flow)
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data = flow["data"]
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# Create test data
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flow_unique_name = str(uuid4())
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flow_2_unique_name = str(uuid4())
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flow_list = FlowListCreate(
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flows=[
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FlowCreate(name=flow_unique_name, description="description", data=data),
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FlowCreate(name=flow_2_unique_name, description="description", data=data),
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]
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)
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# Make request to endpoint
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response = client.post("api/v1/flows/batch/", json=flow_list.dict(), headers=logged_in_headers)
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# Check response status code
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assert response.status_code == 201
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# Check response data
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response_data = response.json()
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assert len(response_data) == 2
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assert flow_unique_name in response_data[0]["name"]
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assert response_data[0]["description"] == "description"
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assert response_data[0]["data"] == data
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assert response_data[1]["name"] == flow_2_unique_name
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assert response_data[1]["description"] == "description"
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assert response_data[1]["data"] == data
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def test_upload_file(client: TestClient, session: Session, json_flow: str, logged_in_headers):
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flow = orjson.loads(json_flow)
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data = flow["data"]
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# Create test data
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flow_unique_name = str(uuid4())
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flow_2_unique_name = str(uuid4())
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flow_list = FlowListCreate(
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flows=[
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FlowCreate(name=flow_unique_name, description="description", data=data),
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FlowCreate(name=flow_2_unique_name, description="description", data=data),
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]
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)
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file_contents = orjson_dumps(flow_list.dict())
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response = client.post(
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"api/v1/flows/upload/",
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files={"file": ("examples.json", file_contents, "application/json")},
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headers=logged_in_headers,
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)
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# Check response status code
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assert response.status_code == 201
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# Check response data
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response_data = response.json()
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assert len(response_data) == 2
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assert flow_unique_name in response_data[0]["name"]
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assert response_data[0]["description"] == "description"
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assert response_data[0]["data"] == data
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assert response_data[1]["name"] == flow_2_unique_name
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assert response_data[1]["description"] == "description"
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assert response_data[1]["data"] == data
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def test_download_file(
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client: TestClient,
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session: Session,
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json_flow,
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active_user,
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logged_in_headers,
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):
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flow = orjson.loads(json_flow)
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data = flow["data"]
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# Create test data
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flow_unique_name = str(uuid4())
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flow_2_unique_name = str(uuid4())
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flow_list = FlowListCreate(
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flows=[
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FlowCreate(name=flow_unique_name, description="description", data=data),
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FlowCreate(name=flow_2_unique_name, description="description", data=data),
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]
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)
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db_manager = get_db_service()
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with session_getter(db_manager) as session:
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saved_flows = []
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for flow in flow_list.flows:
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flow.user_id = active_user.id
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db_flow = Flow.model_validate(flow, from_attributes=True)
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session.add(db_flow)
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saved_flows.append(db_flow)
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session.commit()
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# Make request to endpoint inside the session context
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flow_ids = [str(db_flow.id) for db_flow in saved_flows] # Convert UUIDs to strings
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flow_ids_json = json.dumps(flow_ids)
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response = client.post(
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"api/v1/flows/download/",
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data=flow_ids_json,
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headers={**logged_in_headers, "Content-Type": "application/json"},
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)
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# Check response status code
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assert response.status_code == 200, response.json()
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# Check response data
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# Since the endpoint now returns a zip file, we need to check the content type and the filename in the headers
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assert response.headers["Content-Type"] == "application/x-zip-compressed"
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assert "attachment; filename=" in response.headers["Content-Disposition"]
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def test_create_flow_with_invalid_data(client: TestClient, active_user, logged_in_headers):
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flow = {"name": "a" * 256, "data": "Invalid flow data"}
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response = client.post("api/v1/flows/", json=flow, headers=logged_in_headers)
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assert response.status_code == 422
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def test_get_nonexistent_flow(client: TestClient, active_user, logged_in_headers):
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uuid = uuid4()
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response = client.get(f"api/v1/flows/{uuid}", headers=logged_in_headers)
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assert response.status_code == 404
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def test_update_flow_idempotency(client: TestClient, json_flow: str, active_user, logged_in_headers):
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flow_data = orjson.loads(json_flow)
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data = flow_data["data"]
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flow_data = FlowCreate(name="Test Flow", description="description", data=data)
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response = client.post("api/v1/flows/", json=flow_data.dict(), headers=logged_in_headers)
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flow_id = response.json()["id"]
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updated_flow = FlowCreate(name="Updated Flow", description="description", data=data)
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response1 = client.put(f"api/v1/flows/{flow_id}", json=updated_flow.model_dump(), headers=logged_in_headers)
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response2 = client.put(f"api/v1/flows/{flow_id}", json=updated_flow.model_dump(), headers=logged_in_headers)
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assert response1.json() == response2.json()
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def test_update_nonexistent_flow(client: TestClient, json_flow: str, active_user, logged_in_headers):
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flow_data = orjson.loads(json_flow)
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data = flow_data["data"]
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uuid = uuid4()
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updated_flow = FlowCreate(
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name="Updated Flow",
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description="description",
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data=data,
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)
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response = client.patch(f"api/v1/flows/{uuid}", json=updated_flow.model_dump(), headers=logged_in_headers)
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assert response.status_code == 404, response.text
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def test_delete_nonexistent_flow(client: TestClient, active_user, logged_in_headers):
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uuid = uuid4()
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response = client.delete(f"api/v1/flows/{uuid}", headers=logged_in_headers)
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assert response.status_code == 404
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def test_read_only_starter_projects(client: TestClient, active_user, logged_in_headers):
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response = client.get("api/v1/flows/", headers=logged_in_headers)
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starter_projects = load_starter_projects()
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assert response.status_code == 200
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assert len(response.json()) == len(starter_projects)
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@pytest.mark.load_flows
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def test_load_flows(client: TestClient, load_flows_dir):
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response = client.get("api/v1/flows/c54f9130-f2fa-4a3e-b22a-3856d946351b")
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assert response.status_code == 200
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assert response.json()["name"] == "BasicExample"
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# re-run to ensure updates work well
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load_flows_from_directory()
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response = client.get("api/v1/flows/c54f9130-f2fa-4a3e-b22a-3856d946351b")
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assert response.status_code == 200
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assert response.json()["name"] == "BasicExample"
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@pytest.mark.load_flows
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def test_migrate_transactions(client: TestClient):
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monitor_service = get_monitor_service()
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drop_and_create_table_if_schema_mismatch(str(monitor_service.db_path), "transactions", TransactionModel)
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flow_id = "c54f9130-f2fa-4a3e-b22a-3856d946351b"
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data = {
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"vertex_id": "vid",
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"target_id": "tid",
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"inputs": {"input_value": True},
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"outputs": {"output_value": True},
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"timestamp": "2021-10-10T10:10:10",
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"status": "success",
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"error": None,
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"flow_id": flow_id,
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}
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with new_duckdb_locked_connection(str(monitor_service.db_path), read_only=False) as conn:
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add_row_to_table(conn, "transactions", TransactionModel, data)
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assert 1 == len(monitor_service.get_transactions())
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with session_scope() as session:
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migrate_transactions_from_monitor_service_to_database(session)
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new_trans = get_transactions_by_flow_id(session, UUID(flow_id))
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assert 1 == len(new_trans)
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t = new_trans[0]
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assert t.error is None
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assert t.inputs == data["inputs"]
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assert t.outputs == data["outputs"]
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assert t.status == data["status"]
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assert str(t.timestamp) == "2021-10-10 10:10:10"
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assert t.vertex_id == data["vertex_id"]
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assert t.target_id == data["target_id"]
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assert t.flow_id == UUID(flow_id)
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assert 0 == len(monitor_service.get_transactions())
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client.request("DELETE", f"api/v1/flows/{flow_id}")
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with session_scope() as session:
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new_trans = get_transactions_by_flow_id(session, UUID(flow_id))
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assert 0 == len(new_trans)
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@pytest.mark.load_flows
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def test_migrate_transactions_no_duckdb(client: TestClient):
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flow_id = "c54f9130-f2fa-4a3e-b22a-3856d946351b"
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get_monitor_service()
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with session_scope() as session:
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migrate_transactions_from_monitor_service_to_database(session)
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new_trans = get_transactions_by_flow_id(session, UUID(flow_id))
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assert 0 == len(new_trans)
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def test_sqlite_pragmas():
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db_service = get_db_service()
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with db_service.with_session() as session:
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from sqlalchemy import text
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assert "wal" == session.execute(text("PRAGMA journal_mode;")).fetchone()[0]
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assert 1 == session.execute(text("PRAGMA synchronous;")).fetchone()[0]
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