Files
timetracker/e2e/test_session_inplace_swap_e2e.py
T
lukas b6f6da309f fix(popover): remove hidden popover from layout to kill phantom scrollbar
Flowbite re-initialises popovers on every htmx swap. A popover hidden via
Tailwind `invisible` (visibility:hidden) still occupies layout, so once
Popper parks it with a transform offset it expands the table's
overflow-x-auto wrapper and a spurious scrollbar appears (horizontal here,
vertical in #40). Add `[&.invisible]:hidden` so the popover is removed from
layout while hidden; Flowbite drops `invisible` on show, restoring display.

Relates to #40. e2e regression covers no-overflow-after-swap plus
popover-still-shows-on-hover.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-20 22:39:49 +02:00

104 lines
4.1 KiB
Python

"""Browser test for the session-list "Finish session now" in-place row swap (issue #53).
Drives the real session list against pytest-django's ``live_server``: clicks the
finish button on a running session and asserts the row is updated in place via
htmx (the row still exists and now shows an end-time em dash separator).
"""
import pytest
from django.urls import reverse
from django.utils import timezone
from playwright.sync_api import Page, expect
from games.models import Device, Game, Platform, Session
@pytest.fixture
def authenticated_page(live_server, page: Page, django_user_model) -> Page:
django_user_model.objects.create_user(username="tester", password="secret123")
page.goto(f"{live_server.url}{reverse('login')}")
page.fill('input[name="username"]', "tester")
page.fill('input[name="password"]', "secret123")
page.click('button:has-text("Login")')
page.wait_for_url(f"{live_server.url}/tracker**")
return page
def test_finish_session_swaps_row_in_place(authenticated_page: Page, live_server):
page = authenticated_page
platform = Platform.objects.create(name="PC", icon="pc", group="PC")
game = Game.objects.create(name="Tunic", platform=platform)
device = Device.objects.create(name="Desktop")
session = Session.objects.create(
game=game, device=device, timestamp_start=timezone.now()
)
page.goto(f"{live_server.url}{reverse('games:list_sessions')}")
row = page.locator(f"#session-row-{session.pk}")
expect(row).to_be_visible()
row.locator('button[title="Finish session now"]').click()
# htmx swaps the row in place; the row still exists and now shows an end
# time separated by an em dash.
expect(row).to_contain_text("")
session.refresh_from_db()
assert session.timestamp_end is not None
def test_finish_session_swap_does_not_add_scrollbar(
authenticated_page: Page, live_server
):
"""Regression for the phantom horizontal scrollbar (issues #53 / #40).
Flowbite re-initialises popovers on every htmx swap; a popover hidden via
Tailwind ``invisible`` (visibility:hidden) still occupies layout, so once
Popper parks it with a transform it expands the table's overflow-x-auto
wrapper and a spurious scrollbar appears. The popover must be removed from
layout while hidden.
"""
page = authenticated_page
page.set_viewport_size({"width": 1280, "height": 800})
platform = Platform.objects.create(name="PC", icon="pc", group="PC")
# A long name guarantees a truncated NameWithIcon popover in the row.
game = Game.objects.create(name="A Very Long Game Title That Truncates")
game.platform = platform
game.save()
device = Device.objects.create(name="Desktop")
session = Session.objects.create(
game=game, device=device, timestamp_start=timezone.now()
)
page.goto(f"{live_server.url}{reverse('games:list_sessions')}")
# The fix only removes the popover from layout while it is hidden; it must
# still display on hover. Verify on the freshly-loaded page.
trigger = page.locator(f"#session-row-{session.pk} [data-popover-target]").first
popover_id = trigger.get_attribute("data-popover-target")
trigger.hover()
page.wait_for_timeout(400)
shown_display = page.evaluate(
"""(id) => getComputedStyle(document.querySelector(`[id="${id}"]`)).display""",
popover_id,
)
assert shown_display != "none", "popover stayed display:none on hover"
page.mouse.move(0, 0)
page.locator(f"#session-row-{session.pk}").locator(
'button[title="Finish session now"]'
).click()
expect(page.locator(f"#session-row-{session.pk}")).to_contain_text("")
page.wait_for_timeout(500) # allow Flowbite afterSettle re-init + Popper
# After the swap re-inits popovers, the table wrapper must not become
# horizontally scrollable (the phantom-scrollbar regression).
overflow = page.evaluate(
"""() => {
const w = document.querySelector('.overflow-x-auto');
return w.scrollWidth - w.clientWidth;
}"""
)
assert overflow <= 0, f"table wrapper overflows by {overflow}px after swap"