livewire-material/tests/Feature/Components/DatepickerTest.php

<?php

use Carbon\CarbonImmutable;
use Livewire\Component;
use Livewire\Livewire;

/**
 * The JSON config handed to `materialDatepicker(…)`, decoded.
 *
 * @return array<string, mixed>
 */
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('<x-datepicker id="expires" label="Expires on" hint="Type a date or pick one" />');

    expect($html)
        ->toContain('data-datepicker')
        ->toContain('<label for="expires" class="field-label">Expires on</label>')
        ->toContain('role="combobox"')
        ->toContain('aria-haspopup="dialog"')
        ->toContain('aria-controls="expires-picker"')
        ->toContain('aria-expanded="false"')
        ->toContain('aria-describedby="expires-support"')
        ->toContain('Type a date or pick one')
        ->toContain('<dialog')
        ->toContain('id="expires-picker"')
        ->toContain('popover="manual"')
        ->toContain('wire:ignore')
        ->toContain('aria-label="Select date"')
        ->toContain('role="grid"')
        ->toContain('data-datepicker-toggle')
        ->toContain('x-modelable="value"')
        ->toContain('x-on:input="typeInField()"')
        ->not->toMatch('/<input[^>]*\sreadonly[\s>]/')
        ->not->toContain('aria-invalid="true"')
        ->and(datepickerConfig($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) $this->blade('<x-datepicker label="Birthday" :mode="$mode" />', ['mode' => $mode]);

    expect($html)
        ->toMatch('/<input[^>]*\sreadonly[\s>]/')
        ->toContain('x-on:keydown.space.prevent="show()"')
        ->not->toContain('x-on:input="typeInField()"')
        ->and(datepickerConfig($html)['mode'])->toBe($mode);
})->with(['modal', 'input']);

it('falls back to the docked picker for an unknown mode', function () {
    expect(datepickerConfig((string) $this->blade('<x-datepicker label="Date" mode="wheel" />'))['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) $this->blade(
        '<x-datepicker label="Date" :min="$min" max="2026-12-31 23:59:00" />',
        ['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('<x-datepicker label="Date" min="2026-02-30" max="soon" />')))
        ->toMatchArray(['min' => null, 'max' => null]);
});

it('shows the value in the locale\'s numeric format before Alpine starts', function () {
    expect((string) $this->blade('<x-datepicker label="Date" value="2026-09-13" name="expires" />'))
        ->toContain('value="09/13/2026"')
        ->toContain('<input type="hidden" name="expires" value="2026-09-13"');

    app()->setLocale('de');

    expect((string) $this->blade('<x-datepicker label="Trip" range :value="[\'start\' => \'2026-09-13\', \'end\' => \'2026-09-20\']" name="trip" />'))
        ->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('<x-datepicker id="due" label="Due" class="w-60" required disabled variant="filled" size="sm" />');

    expect($html)
        ->toContain('class="w-60"')
        ->toContain('data-variant="filled"')
        ->toContain('data-size="sm"')
        ->toMatch('/<input\s[^>]*required[^>]*id="due"/s')
        ->toMatch('/<input\s[^>]*disabled[^>]*id="due"/s')
        ->and(datepickerConfig($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'
                <div>
                    <x-datepicker label="Expires" wire:model.live="expires" />
                    <x-datepicker label="Trip" wire:model="trip" range mode="modal" />
                </div>
                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'
                <div>
                    <x-datepicker id="expires" label="Expires" hint="Pick a day" wire:model="expires" />
                    <x-datepicker id="trip" label="Trip" wire:model="trip" range />
                </div>
                BLADE;
        }
    });

    $html = Livewire::test('datepicker-errors')->html();

    expect($html)
        ->toContain('Choose a date in the future.')
        ->toContain('The end must follow the start.')
        ->not->toContain('Pick a day')
        ->toContain('aria-invalid="true"')
        ->toContain('data-datepicker-error')
        ->and(substr_count($html, 'data-invalid=""'))->toBe(2);
});