from copy import deepcopy

import pytest
from tests.classic.perform_actions.support.refine import get_events


@pytest.mark.parametrize("device_pixel_ratio", ["1.0", "2.0", "0.5"])
def test_scroll_delta_device_pixel(configuration, geckodriver, url, device_pixel_ratio):
    capabilities = deepcopy(configuration["capabilities"])
    capabilities.setdefault("moz:firefoxOptions", {}).setdefault("prefs", {})[
        "layout.css.devPixelsPerPx"
    ] = device_pixel_ratio

    driver = geckodriver()
    driver.new_session(capabilities=capabilities)

    driver.session.url = url("/webdriver/tests/support/html/test_actions_scroll.html")

    target = driver.session.find.css("#scrollable", all=False)

    chain = driver.session.actions.sequence("wheel", "wheel_id")
    chain.scroll(0, 0, 5, 10, origin=target).perform()

    events = get_events(driver.session)
    assert len(events) == 1
    assert events[0]["type"] == "wheel"
    assert events[0]["deltaX"] == 5
    assert events[0]["deltaY"] == 10
    assert events[0]["deltaZ"] == 0
    assert events[0]["target"] == "scrollable-content"