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

<?php

use Livewire\Component;
use Livewire\Livewire;

it('groups buttons with the spacing of their size', function () {
    expect((string) $this->blade('<x-button-group label="Views" size="md"><x-button label="Day" /></x-button-group>'))
        ->toContain('role="group"')
        ->toContain('aria-label="Views"')
        ->toContain('data-button-group="standard"')
        ->toContain('data-size="md"')
        ->toContain('gap-2')
        ->and((string) $this->blade('<x-button-group><x-button label="Day" /></x-button-group>'))
        ->toContain('gap-3');
});

it('connects buttons 2px apart', function () {
    expect((string) $this->blade('<x-button-group connected><x-button label="Day" /></x-button-group>'))
        ->toContain('data-button-group="connected"')
        ->toContain('gap-0.5');
});

it('squares a group, and a choice drawn as one', function () {
    // M3 lists "Default shape | Round, square" as a button-group configuration; the shape covers
    // every button in the group, so it need not be written on each one.
    expect((string) $this->blade('<x-button-group shape="square"><x-button label="Day" /></x-button-group>'))
        ->toContain('data-shape="square"')
        ->and((string) $this->blade('<x-button-group connected shape="square"><x-button label="Day" /></x-button-group>'))
        ->toContain('data-button-group="connected"')
        ->toContain('data-shape="square"')
        ->and((string) $this->blade('<x-button-group><x-button label="Day" /></x-button-group>'))
        ->toContain('data-shape="round"')
        ->and((string) $this->blade('<x-group shape="square" name="x" :options="[[\'id\' => \'a\', \'name\' => \'A\']]" />'))
        ->toContain('data-shape="square"')
        ->and((string) $this->blade('<x-group name="x" :options="[[\'id\' => \'a\', \'name\' => \'A\']]" />'))
        ->toContain('data-shape="round"');
});

it('takes over aria-pressed for a group that carries a selection', function () {
    $html = (string) $this->blade('<x-button-group connected selection="single" required label="View"><x-button label="Day" value="day" :selected="true" /></x-button-group>');

    expect($html)
        ->toContain('data-selection="single"')
        ->toContain('data-selection-required')
        ->toContain('multiple: false')
        ->toContain('required: true')
        ->toContain('value: null')
        ->toContain('x-on:click="press($event)"')
        // No model: the group takes the state from the buttons' own aria-pressed and goes on.
        ->toContain('x-modelable="value"')
        ->and((string) $this->blade('<x-button-group connected selection="multi"><x-button label="Bold" value="bold" :selected="false" /></x-button-group>'))
        ->toContain('multiple: true')
        ->toContain('required: false')
        ->toContain('value: []')
        ->and((string) $this->blade('<x-button-group connected><x-button label="Day" /></x-button-group>'))
        ->not->toContain('data-selection')
        ->not->toContain('press($event)');
});

it('entangles a selection group with the property it binds, and keeps wire:model off the div', function () {
    $component = new class extends Component
    {
        public string $view = 'week';

        public function render(): string
        {
            return <<<'BLADE'
                <div>
                    <x-button-group connected selection="single" required wire:model.live="view" label="View">
                        <x-button label="Day" value="day" :selected="$view === 'day'" />
                        <x-button label="Week" value="week" :selected="$view === 'week'" />
                    </x-button-group>
                </div>
                BLADE;
        }
    };

    $html = Livewire::test($component)->assertSet('view', 'week')->html();

    expect($html)
        ->toContain('data-selection="single"')
        ->toMatch('/value: window\.Livewire\.find\(/')
        ->and(substr_count($html, 'wire:model.live="view"'))->toBe(0);
});

it('never wraps a group onto a second line', function () {
    expect((string) $this->blade('<x-button-group><x-button label="Day" /></x-button-group>'))
        ->not->toContain('flex-wrap');
});

it('marks icon buttons, which keep their width when a group is pressed', function () {
    expect((string) $this->blade('<x-button icon="format_bold" aria-label="Bold" />'))->toContain('data-md-icon-button')
        ->and((string) $this->blade('<x-button label="Bold" />'))->not->toContain('data-md-icon-button');
});

it('draws a choice as connected radios', function () {
    $html = (string) $this->blade(<<<'BLADE'
        <x-group label="Theme" name="theme" x-model="theme" :options="[
            ['id' => 'light', 'name' => 'Light', 'icon' => 'light_mode'],
            ['id' => 'dark', 'name' => 'Dark', 'disabled' => true],
        ]" />
        BLADE);

    expect($html)
        ->toContain('<legend class="mb-2 type-label-lg text-on-surface-variant">Theme</legend>')
        ->toContain('data-button-group="connected"')
        ->toContain('type="radio"')
        ->toContain('name="theme"')
        ->toContain('x-model="theme"')
        ->toContain('value="light"')
        ->toContain('has-checked:bg-secondary has-checked:text-on-secondary')
        ->toContain('disabled')
        ->and(substr_count($html, '<svg'))->toBe(1);
});

it('keeps a 48px target and a 48px minimum width on the smallest connected segments', function () {
    $options = [['id' => 'a', 'name' => 'A']];

    expect((string) $this->blade('<x-group size="sm" name="x" :$options />', ['options' => $options]))
        ->toContain('touch-target min-w-12')
        ->and((string) $this->blade('<x-group size="md" name="x" :$options />', ['options' => $options]))
        ->not->toContain('touch-target')
        ->toContain('min-w-0');
});

it('draws several choices as checkboxes', function () {
    expect((string) $this->blade('<x-group name="days" multiple variant="outlined" :options="[[\'id\' => \'mon\', \'name\' => \'Mon\']]" />'))
        ->toContain('type="checkbox"')
        ->toContain('name="days[]"')
        ->toContain('has-checked:bg-inverse-surface');
});

it('binds to a Livewire property and shows its validation message', function () {
    $component = new class extends Component
    {
        public string $theme = 'dark';

        public function save(): void
        {
            $this->validate(['theme' => 'in:light'], ['theme.in' => 'Pick light.']);
        }

        public function render(): string
        {
            return <<<'BLADE'
                <div>
                    <x-group wire:model="theme" hint="How it looks" :options="[['id' => 'light', 'name' => 'Light'], ['id' => 'dark', 'name' => 'Dark']]" />
                </div>
                BLADE;
        }
    };

    Livewire::test($component)
        ->assertSeeHtml('wire:model="theme"')
        ->assertSee('How it looks')
        ->set('theme', 'light')
        ->assertSet('theme', 'light')
        ->set('theme', 'dark')
        ->call('save')
        ->assertSee('Pick light.')
        ->assertDontSee('How it looks');
});

it('adds hint-class to the hint, which a validation message still replaces', function () {
    $options = [['id' => 'flat', 'name' => 'Flat'], ['id' => 'hilly', 'name' => 'Hilly']];

    expect((string) $this->blade('<x-group wire:model="terrain" hint="No elevation data here" hint-class="text-warning" :$options />', ['options' => $options]))
        ->toContain('<p class="mt-1 type-body-sm [:where(&amp;)]:text-on-surface-variant text-warning">No elevation data here</p>')
        ->and((string) $this->blade('<x-group wire:model="terrain" hint="No elevation data here" :$options />', ['options' => $options]))
        ->toContain('<p class="mt-1 type-body-sm text-on-surface-variant">No elevation data here</p>');

    expect((string) $this->withViewErrors(['terrain' => 'Pick a terrain.'])->blade('<x-group wire:model="terrain" hint="No elevation data here" hint-class="text-warning" :$options />', ['options' => $options]))
        ->toContain('<p class="mt-1 type-body-sm text-error">Pick a terrain.</p>')
        ->not->toContain('No elevation data here')
        ->not->toContain('text-warning');
});