*/
function datepickerConfig(string $html): array
{
preg_match("/\.\.\.JSON\.parse\('(.+?)'\)/", $html, $match);
return json_decode(json_decode('"'.$match[1].'"'), true, flags: JSON_THROW_ON_ERROR);
}
it('draws a docked date field whose combobox controls a popover picker', function () {
$html = (string) $this->blade('');
expect($html)
->toContain('data-md-datepicker')
->toContain('')
->toContain('role="combobox"')
->toContain('aria-haspopup="dialog"')
->toContain('aria-controls="expires-picker"')
->toContain('aria-expanded="false"')
->toContain('aria-describedby="expires-support"')
->toContain('Type a date or pick one')
->toContain('toContain('id="expires-picker"')
->toContain('popover="manual"')
->toContain('wire:ignore')
->toContain('aria-label="Select date"')
->toContain('role="grid"')
->toContain('data-md-datepicker-toggle')
->toContain('x-modelable="value"')
->toContain('x-on:input="typeInField()"')
->not->toMatch('/]*\sreadonly[\s>]/')
->not->toContain('aria-invalid="true"')
->and(datepickerConfig($html))->toMatchArray(['mode' => 'docked', 'range' => false, 'min' => null, 'max' => null, 'locale' => 'en'])
->and($html)->toContain('style="anchor-name: --material-datepicker-expires"')
->toContain('style="position-anchor: --material-datepicker-expires"');
});
it('makes the field a read-only trigger for the modal and modal input pickers', function (string $mode) {
$html = (string) $this->blade('', ['mode' => $mode]);
expect($html)
->toMatch('/]*\sreadonly[\s>]/')
->toContain('x-on:keydown.space.prevent="show()"')
->not->toContain('x-on:input="typeInField()"')
->and(datepickerConfig($html)['mode'])->toBe($mode);
})->with(['modal', 'input']);
it('gives a range picker M3\'s full-screen presentation, with an app bar and Save', function () {
$html = (string) $this->blade('');
expect($html)
->toContain('data-md-datepicker-full')
->toContain('x-show="presentation === \'full\'"')
->toContain('data-md-datepicker-app-bar')
->toContain('data-md-datepicker-close')
->toContain('data-md-datepicker-save')
->toContain('Save')
->toContain('aria-label="Select dates"')
// The months come from one list of rows, each headed by its label.
->toContain('x-for="row in rows"')
->toContain('data-md-datepicker-month-label')
// The action row is the modal's; the full-screen picker confirms from its app bar.
->toContain('x-show="presentation !== \'full\' && (view === \'days\' || typing || presentation === \'modal\')"')
->toContain('x-on:scroll="extendMonths($event)"');
expect(datepickerConfig($html))->toMatchArray(['range' => true, 'mode' => 'modal']);
});
it('leaves the docked and single-date pickers as they were', function () {
// Only the presentation is new: a single date never reaches it, whatever the window.
expect(file_get_contents(__DIR__.'/../../../resources/js/datepicker.js'))
->toContain("this.presentation = config.range && this.compact ? 'full' : config.mode === 'docked' && !this.compact ? 'docked' : 'modal'");
$html = (string) $this->blade('');
expect($html)
->toContain('data-md-datepicker-nav data-md-docked')
->toContain('x-show="presentation === \'docked\'"')
->toContain('data-md-datepicker-menu-button="months"')
->toContain('x-show="presentation === \'modal\'"');
});
it('names each dropdown so Shift+M and Shift+Y can reach it', function () {
$html = (string) $this->blade('');
expect($html)
->toContain('data-md-datepicker-menu-button="months"')
->toContain('data-md-datepicker-menu-button="years"');
});
it('draws the year, the menu buttons and the list options from the interaction classes', function () {
$html = (string) $this->blade('');
$css = ComponentStylesheet::read('datepicker');
expect(preg_match_all('/class="md-state-layer md-focus-ring"\s+data-md-datepicker-menu-button=/', $html))->toBe(3)
->and(preg_match_all('/class="md-state-layer md-focus-ring"\s+data-md-datepicker-year\b/', $html))->toBe(1)
->and(preg_match_all('/class="md-state-layer md-focus-ring"\s+data-md-datepicker-option\b/', $html))->toBe(2)
->and($html)->toContain('')
// Nothing in the stylesheet takes back what the classes draw…
->and($css->declarations('[data-md-datepicker-menu-button]'))->not->toHaveKeys(['position', 'isolation', 'outline'])
->and($css->declarations('[data-md-datepicker-year]'))->not->toHaveKeys(['position', 'isolation', 'outline'])
->and($css->declarations('[data-md-datepicker-option]'))->not->toHaveKeys(['position', 'isolation', 'outline'])
// …but the option's ring, which sits inside its full-width row.
->and($css->declarations('[data-md-datepicker-option]:focus-visible'))->toBe(['outline-offset' => '-3px']);
});
it('draws the day\'s state layer on its indicator at M3\'s state opacities, and none on a disabled day', function () {
$css = ComponentStylesheet::read('datepicker');
expect($css->declarations('[data-md-datepicker-day] > span::before'))->toMatchArray(['background-color' => 'var(--datepicker-layer)', 'opacity' => '0', 'z-index' => '-1'])
->and($css->declarations('[data-md-datepicker-day] > span'))->toMatchArray(['width' => '40px', 'height' => '40px', 'isolation' => 'isolate'])
->and($css->declarations('[data-md-datepicker-day]:hover > span::before', ['@media (hover: hover)']))->toBe(['opacity' => 'var(--md-sys-state-hover-state-layer-opacity)'])
->and($css->declarations('[data-md-datepicker-day]:focus-visible > span::before'))->toBe(['opacity' => 'var(--md-sys-state-focus-state-layer-opacity)'])
->and($css->declarations('[data-md-datepicker-day]:active > span::before'))->toBe(['opacity' => 'var(--md-sys-state-pressed-state-layer-opacity)'])
->and($css->declarations("[data-md-datepicker-day]:is([aria-disabled='true'], [data-md-blank]) > span::before"))->toBe(['display' => 'none'])
->and($css->declarations('[data-md-datepicker-day]:focus-visible > span'))->toBe(['outline' => '3px solid var(--md-sys-color-secondary)', 'outline-offset' => '2px'])
->and($css->declarations('[data-md-datepicker-day]'))->toMatchArray(['height' => '48px']);
});
it('falls back to the docked picker for an unknown mode', function () {
expect(datepickerConfig((string) $this->blade(''))['mode'])->toBe('docked');
});
it('hands min, max and the application locale to the picker as Y-m-d', function () {
app()->setLocale('de_CH');
$config = datepickerConfig((string) $this->blade(
'',
['min' => CarbonImmutable::parse('2026-09-13 08:30')],
));
expect($config)->toMatchArray(['min' => '2026-09-13', 'max' => '2026-12-31', 'locale' => 'de-CH'])
->and($config['strings']['pattern'])->toBe('Date does not match expected pattern: :pattern')
->and(datepickerConfig((string) $this->blade('')))
->toMatchArray(['min' => null, 'max' => null]);
});
it('hands a chosen first day of the week and format to the picker, and ignores values that are neither', function () {
app()->setLocale('de');
$html = (string) $this->blade('');
expect(datepickerConfig($html))->toMatchArray(['weekStart' => 0, 'format' => 'yyyy-MM-dd', 'locale' => 'de'])
->and($html)->toContain('value="2026-09-13"')
->and(datepickerConfig((string) $this->blade('')))
->toMatchArray(['weekStart' => 6, 'format' => 'MM/dd/yyyy'])
->and((string) $this->blade(''))
->toContain('value="13/09/2026 – 20/09/2026"');
foreach (['week-start="7"', 'week-start="-1"', 'week-start="monday"', 'week-start', 'format="d.M.yy"', 'format="dd.MM/yyyy"', 'format="dd.dd.yyyy"', 'format="yyyy-mm-dd"'] as $attribute) {
expect(datepickerConfig((string) $this->blade("")))
->toMatchArray(['weekStart' => null, 'format' => null]);
}
expect(datepickerConfig((string) $this->blade('')))->toMatchArray(['weekStart' => null, 'format' => null])
->and((string) $this->blade(''))->toContain('value="13.09.2026"');
});
it('shows the value in the locale\'s numeric format before Alpine starts', function () {
expect((string) $this->blade(''))
->toContain('value="09/13/2026"')
->toContain('setLocale('de');
expect((string) $this->blade(''))
->toContain('value="13.09.2026 – 20.09.2026"')
->toContain('name="trip[start]" value="2026-09-13"')
->toContain('name="trip[end]" value="2026-09-20"')
->toContain('aria-label="Select dates"');
});
it('puts class on the root and every other attribute on the text field', function () {
$html = (string) $this->blade('');
expect($html)
->toContain('class="app-due-field"')
->toContain('data-md-variant="filled"')
->toContain('data-md-size="sm"')
->toMatch('/]*required[^>]*id="due"/s')
->toMatch('/]*disabled[^>]*id="due"/s')
->and(datepickerConfig($html)['disabled'])->toBeTrue();
});
it('entangles the value with its Livewire property and renders it as the property says', function () {
Livewire::component('datepicker-probe', new class extends Component
{
public ?string $expires = '2026-09-13';
/** @var array{start: ?string, end: ?string} */
public array $trip = ['start' => '2026-09-01', 'end' => null];
public function render(): string
{
return <<<'BLADE'
BLADE;
}
});
$html = Livewire::test('datepicker-probe')->html();
expect($html)
->toContain(".entangle('expires').live")
->toContain(".entangle('trip')")
->not->toContain('x-modelable')
->not->toContain('wire:model')
->toContain('value="09/13/2026"')
->toContain('value="09/01/2026 – "');
});
it('replaces the hint with the errors for the property and its start and end', function () {
Livewire::component('datepicker-errors', new class extends Component
{
public ?string $expires = null;
/** @var array{start: ?string, end: ?string} */
public array $trip = ['start' => null, 'end' => null];
public function mount(): void
{
$this->addError('expires', 'Choose a date in the future.');
$this->addError('trip.end', 'The end must follow the start.');
}
public function render(): string
{
return <<<'BLADE'
BLADE;
}
});
$html = Livewire::test('datepicker-errors')->html();
expect($html)
->toContain('Choose a date in the future.')
->toContain('The end must follow the start.')
->not->toContain('Pick a day')
->toContain('aria-invalid="true"')
->toContain('data-md-datepicker-error')
->and(substr_count($html, 'data-md-invalid=""'))->toBe(2);
});
it('offers a clear button on request', function () {
expect((string) $this->blade(''))
->toContain('data-md-field-clear')
->toContain('x-on:click="clear()"')
->toContain('aria-label="Clear"')
->and((string) $this->blade(''))
->not->toContain('data-md-field-clear');
});