Quick start

Register your checkpointer with @checkpointer_test and run validate():

import asyncio
from langgraph.checkpoint.conformance import checkpointer_test, validate

@checkpointer_test(name="MyCheckpointer")
async def my_checkpointer():
    saver = MyCheckpointer(...)
    yield saver
    # cleanup runs after yield

async def main():
    report = await validate(my_checkpointer)
    report.print_report()
    assert report.passed_all_base()

asyncio.run(main())

Or in a pytest test:

import pytest
from langgraph.checkpoint.conformance import checkpointer_test, validate

@checkpointer_test(name="MyCheckpointer")
async def my_checkpointer():
    yield MyCheckpointer(...)

@pytest.mark.asyncio
async def test_conformance():
    report = await validate(my_checkpointer)
    report.print_report()
    assert report.passed_all_base()