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import pytest
TOP_BAR_BLUR_CSS = "#menu-blur"
HERO_CSS = ".talk-card__body"
async def are_blurs_working(client):
# to test, we take a screenshot of the top menu bar, which ought to be blurred,
# and then hide its blur element and compare the after-screenshot. If they're the
# same, then the blur would not have actually been working.
await client.navigate(URL)
# hide SVGs and text which might interfere with the screenshot.
client.add_stylesheet(
"""
* { color: transparent !important; }
svg { display: none; }
"""
)
top_bar_blur = client.await_css(TOP_BAR_BLUR_CSS)
hero = client.await_css(HERO_CSS, is_displayed=True)
# scroll down to a point where the site enables the blur and something obvious is behind.
client.execute_script(
"""
arguments[0].scrollIntoView({behavior: "instant", block: "start"});
""",
hero,
)
# now take a screenshot, remove the blur element, and compare.
await client.stall(0.5)
pre = client.find_css("body").screenshot()
client.execute_script("arguments[0].remove()", top_bar_blur)
await client.stall(0.5)
post = client.find_css("body").screenshot()
return pre != post
@pytest.mark.only_platforms("android")
@pytest.mark.asyncio
@pytest.mark.with_interventions
async def test_enabled(client):
assert await are_blurs_working(client)
@pytest.mark.only_platforms("android")
@pytest.mark.asyncio
@pytest.mark.without_interventions
async def test_disabled(client):
assert not await are_blurs_working(client)