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import pytest
from support.context import using_context
from support.helpers import get_pref, set_pref
@pytest.fixture
def set_full_zoom(session):
"""Sets the full zoom value for the currently selected tab."""
def _set_full_zoom(value):
handle = session.window_handle
with using_context(session, "chrome"):
session.execute_script(
"""
const { NavigableManager } = ChromeUtils.importESModule(
"chrome://remote/content/shared/NavigableManager.sys.mjs"
);
const [navigableId, value] = arguments;
const context = NavigableManager.getBrowsingContextById(navigableId);
if (context === null) {
throw new Error(`Browsing Context with id ${navigableId} not found`);
}
context.fullZoom = value;
""",
args=[handle, value],
)
return session.execute_script("return window.devicePixelRatio")
return _set_full_zoom
@pytest.fixture
def use_pref(session):
"""Set a specific pref value."""
reset_values = {}
def _use_pref(pref, value):
if pref not in reset_values:
reset_values[pref] = get_pref(session, pref)
set_pref(session, pref, value)
yield _use_pref
for pref, reset_value in reset_values.items():
set_pref(session, pref, reset_value)