conftest.py

import os
import subprocess

import pytest
from playwright.async_api import async_playwright
from reactpy.testing import BackendFixture, DisplayFixture

GITHUB_ACTIONS = os.getenv("GITHUB_ACTIONS", "").lower() == "true"


def pytest_addoption(parser) -> None:
    parser.addoption(
        "--headless",
        dest="headless",
        action="store_true",
        help="Hide the browser window when running web-based tests",
    )


def pytest_sessionstart(session):
    """Rebuild the project before running the tests to get the latest JavaScript"""
    subprocess.run(["hatch", "build", "--clean"], check=True)
    subprocess.run(["playwright", "install", "chromium"], check=True)


@pytest.fixture(scope="session")
async def display(backend, browser):
    async with DisplayFixture(backend, browser) as display_fixture:
        display_fixture.page.set_default_timeout(10000)
        yield display_fixture


@pytest.fixture(scope="session")
async def backend():
    async with BackendFixture() as backend_fixture:
        yield backend_fixture


@pytest.fixture(scope="session")
async def browser(pytestconfig):
    async with async_playwright() as pw:
        yield await pw.chromium.launch(headless=True if GITHUB_ACTIONS else pytestconfig.getoption("headless"))


@pytest.fixture(scope="session")
def anyio_backend():
    return "asyncio"