reflex_copy/integration/conftest.py

"""Shared conftest for all integration tests."""
import os
import re
from pathlib import Path

import pytest

DISPLAY = None
XVFB_DIMENSIONS = (800, 600)


@pytest.fixture(scope="session", autouse=True)
def xvfb():
    """Create virtual X display.

    This function is a no-op unless GITHUB_ACTIONS is set in the environment.

    Yields:
        the pyvirtualdisplay object that the browser will be open on
    """
    if os.environ.get("GITHUB_ACTIONS"):
        from pyvirtualdisplay.smartdisplay import (  # pyright: ignore [reportMissingImports]
            SmartDisplay,
        )

        global DISPLAY
        with SmartDisplay(visible=0, size=XVFB_DIMENSIONS) as DISPLAY:
            yield DISPLAY
        DISPLAY = None
    else:
        yield None


def pytest_exception_interact(node, call, report):
    """Take and upload screenshot when tests fail.

    Args:
        node: The pytest item that failed.
        call: The pytest call describing when/where the test was invoked.
        report: The pytest log report object.
    """
    screenshot_dir = os.environ.get("SCREENSHOT_DIR")
    if DISPLAY is None or screenshot_dir is None:
        return

    screenshot_dir = Path(screenshot_dir)
    screenshot_dir.mkdir(parents=True, exist_ok=True)
    safe_filename = re.sub(
        r"(?u)[^-\w.]",
        "_",
        str(node.nodeid).strip().replace(" ", "_").replace(":", "_"),
    )

    DISPLAY.waitgrab().save(
        (Path(screenshot_dir) / safe_filename).with_suffix(".png"),
    )