renders++;
}
public function render(): string
{
return <<<'BLADE'
BLADE;
}
}
function showcase(string $section = 'buttons')
{
return visit("/material/{$section}")->waitForEvent('networkidle')
->assertScript("document.readyState === 'complete' && typeof window.Alpine !== 'undefined' && typeof window.Livewire !== 'undefined'");
}
function focused(string $expression): string
{
return "document.activeElement.{$expression}";
}
it('opens a menu on the first item and walks it with the keyboard', function () {
$page = showcase('menus')
->assertNoJavaScriptErrors()
->click(MORE)
->assertAttribute(MORE, 'aria-expanded', 'true')
->assertScript(focused("textContent.trim().startsWith('Copy link')"));
$page->keys(':focus', ['ArrowDown', 'ArrowDown'])
->assertScript(focused("textContent.trim().startsWith('Rename')"));
$page->keys(':focus', 'End')
->assertScript(focused("textContent.trim().startsWith('Delete')"));
$page->keys(':focus', 'ArrowDown')
->assertScript(focused("textContent.trim().startsWith('Copy link')"));
$page->keys(':focus', 'd')
->assertScript(focused("textContent.trim().startsWith('Download')"));
$page->keys(':focus', 'Escape')
->assertAttribute(MORE, 'aria-expanded', 'false')
->assertScript(focused("getAttribute('aria-label') === 'More'"));
});
it('opens a menu from the keyboard, on the last item with ArrowUp', function () {
$page = showcase('menus');
$page->script("document.querySelector('".MORE."').focus()");
$page->keys(':focus', 'ArrowUp')
->assertAttribute(MORE, 'aria-expanded', 'true')
->assertScript(focused("textContent.trim().startsWith('Delete')"));
});
it('opens a menu the moment the page can be used', function () {
// The guard against a light-dismiss press reopening the menu once measured from the page's
// time origin, and swallowed every click in the first quarter second.
visit('/material/menus')
->click(MORE)
->assertAttribute(MORE, 'aria-expanded', 'true');
});
it('closes a menu when an item is chosen, but not one that keeps it open', function () {
$page = showcase('menus');
$page->click(MORE)
->click('#menus [role="menuitem"]:has-text("Download")')
->assertAttribute(MORE, 'aria-expanded', 'false');
$page->click('#menus button:has-text("Sort")')
->click('#menus [role="menuitemcheckbox"]:has-text("Largest")')
->assertScript("document.querySelector('#menus [role=\"menu\"][aria-label=\"Sort\"]').matches(':popover-open')");
});
it('shows a tooltip on keyboard focus and hides it on Escape', function () {
$tooltip = "document.querySelector('#buttons [aria-label=\"Tonal\"] [popover]')";
$page = showcase();
// A key press first, so the browser is in keyboard modality, as a keyboard user would be —
// Firefox only counts a scripted focus as :focus-visible after one. Then focused directly
// rather than tabbed to: WebKit, like Safari on macOS, leaves buttons out of the Tab order
// unless full keyboard access is on.
$page->keys('#content', 'Tab');
$page->script("document.querySelector('#buttons [aria-label=\"Tonal\"]').focus()");
$page->assertScript(focused("getAttribute('aria-label') === 'Tonal'"))
->assertScript("{$tooltip}.matches(':popover-open')");
$page->keys(':focus', 'Escape')
->assertScript("! {$tooltip}.matches(':popover-open')");
});
it('moves a connected group\'s choice with the arrow keys', function () {
$checked = fn (string $value): string => "document.querySelector('#buttons input[name=\"showcase-theme\"][value=\"{$value}\"]').checked";
$page = showcase();
$page->script("document.querySelector('#buttons input[name=\"showcase-theme\"][value=\"system\"]').focus()");
$page->keys(':focus', 'ArrowLeft')
->assertScript($checked('dark'))
->assertScript("getComputedStyle(document.querySelector('#buttons input[value=\"dark\"]').parentElement).borderTopLeftRadius === '9999px'");
});
it('rounds a split button\'s trailing half while its menu is open', function () {
$trailing = "document.querySelector('[data-split=\"trailing\"]')";
showcase()
->click('[data-split="trailing"] >> nth=0')
->assertScript("{$trailing}.getAttribute('aria-expanded') === 'true'")
->assertScript("getComputedStyle({$trailing}).borderTopLeftRadius === '9999px'");
});
it('turns the FAB into a close button while its menu is open', function () {
$fab = "document.querySelector('button[aria-label=\"New\"]')";
$page = showcase()
->click('button[aria-label="New"]')
->assertScript("{$fab}.getAttribute('aria-expanded') === 'true'")
->assertScript(focused("textContent.trim() === 'Upload files'"));
$page->keys(':focus', 'Escape')
->assertScript("{$fab}.getAttribute('aria-expanded') === 'false'")
->assertScript(focused("getAttribute('aria-label') === 'New'"));
});
it('animates the loading indicator in the browser', function () {
$clock = "document.querySelector('#buttons [role=\"progressbar\"] svg').getCurrentTime()";
showcase()->assertScript("{$clock} > 0.1");
});
/** A script giving the rects of a menu button (`control`) and of the menu it opens (`menu`). */
function menuAgainst(string $test, string $label): string
{
return "(() => { const control = document.querySelector('[data-test=\"{$test}\"]').getBoundingClientRect(); const menu = document.querySelector('[role=\"menu\"][aria-label=\"{$label}\"]').getBoundingClientRect(); return { control, menu }; })()";
}
it('hangs a menu on its menu button, even when the button is fixed to a corner of the window', function () {
Livewire::component('menu-anchor-probe', MenuAnchorProbe::class);
Route::middleware('web')->get('/menu-anchor-probe', fn () => Blade::render(<<<'BLADE'
@vite(config('livewire-material.showcase.vite'))
@livewireStyles
@livewireScripts
BLADE));
$placed = menuAgainst('fab', 'Create');
$above = "(({ control, menu }) => getComputedStyle(document.querySelector('[data-test=\"fab\"]')).position === 'fixed' && menu.bottom <= control.top && control.top - menu.bottom <= 16 && Math.abs(menu.right - control.right) <= 16 && menu.left >= 0 && menu.top >= 0)({$placed})";
$page = visit('/menu-anchor-probe')->resize(400, 800)->waitForEvent('networkidle')
->assertScript("document.readyState === 'complete' && typeof window.Alpine !== 'undefined' && typeof window.Livewire !== 'undefined'");
$page->click('@fab')
->assertAttribute('@fab', 'aria-expanded', 'true')
->assertScript($above);
$page->keys(':focus', 'Escape')->assertAttribute('@fab', 'aria-expanded', 'false');
// A Livewire render names the anchor afresh, on the wrapper again. Opened from the keyboard: a
// press this soon after the menu closed is taken for the light-dismiss press and ignored.
$page->script('window.eval("Livewire.first().touch()")');
$page->assertSeeIn('#renders', '1')
->script("document.querySelector('[data-test=\"fab\"]').focus()");
$page->keys(':focus', 'ArrowDown')
->assertAttribute('@fab', 'aria-expanded', 'true')
->assertScript($above);
// A button that also anchors its own tooltip keeps it, and the menu hangs under the button.
$page->resize(1024, 800)
->click('@more')
->assertAttribute('@more', 'aria-expanded', 'true')
->assertScript("(() => { const names = getComputedStyle(document.querySelector('[data-test=\"more\"]')).getPropertyValue('anchor-name'); return names.includes('--material-button-') && names.includes('--material-menu-'); })()")
->assertScript('(({ control, menu }) => menu.top >= control.bottom && menu.top - control.bottom <= 16 && Math.abs(menu.left - control.left) <= 16)('.menuAgainst('more', 'Share actions').')');
});