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

<?php

use NoNameWeb\LivewireMaterial\Tests\Support\ComponentStylesheet;

it('draws M3\'s three cards, each naming its variant for its own colour and per-state elevation', function (string $variant) {
    $html = (string) $this->blade("<x-card variant=\"{$variant}\">Body</x-card>");
    $css = ComponentStylesheet::read('card');

    expect($html)->toContain("data-md-card=\"{$variant}\"")
        ->and($css->has("[data-md-card='{$variant}']"))->toBeTrue();
})->with(['filled', 'elevated', 'outlined']);

it('is filled unless it knows the variant', function () {
    expect((string) $this->blade('<x-card variant="glass">Body</x-card>'))->toContain('data-md-card="filled"');
});

it('lays out a header, menu, media, body and actions', function () {
    $html = (string) $this->blade(<<<'BLADE'
        <x-card title="holiday-photos.zip" subtitle="248 MB" separator>
            <x-slot:figure><img src="/x.png" alt=""></x-slot:figure>
            <x-slot:menu><button>⋮</button></x-slot:menu>
            Expires in 3 days.
            <x-slot:actions><button>Copy link</button></x-slot:actions>
        </x-card>
        BLADE);

    expect($html)
        ->toContain('data-md-card-figure')
        ->toContain('<img src="/x.png" alt="">')
        ->toContain('<h3 data-md-card-title>holiday-photos.zip</h3>')
        ->toContain('data-md-card-menu')
        ->toContain('248 MB')
        ->toContain('<button>⋮</button>')
        ->toContain('role="separator"')
        ->toContain('data-md-card-content')
        ->toContain('Expires in 3 days.')
        ->toContain('data-md-card-actions')
        ->toContain('<button>Copy link</button>')
        ->and(strpos($html, 'Expires'))->toBeLessThan(strpos($html, 'Copy link'));
});

it('passes row attributes through and renders the shared interaction classes for a row', function () {
    $html = (string) $this->blade('<x-card data-md-list-row><a href="/s/1" data-md-list-open>Open</a></x-card>');

    expect($html)
        ->toContain('data-md-list-row')
        ->toContain('data-md-list-open')
        ->toContain('class="md-state-layer md-focus-ring"')
        // Any card can be carried, so each draws the shared layer, which card.css keeps off one
        // that is neither a row nor dragged.
        ->and((string) $this->blade('<x-card title="Share">Body</x-card>'))
        ->toContain('class="md-state-layer"')
        ->not->toContain('md-focus-ring')
        ->and(ComponentStylesheet::read('card')->declarations('[data-md-card]:not([data-md-list-row], [data-md-dragged])::before'))
        ->toBe(['display' => 'none']);
});

it('makes a directly actionable card the one tab stop, named by its title', function () {
    $html = (string) $this->blade('<x-card actionable title="holiday-photos.zip"><a href="/s/1" data-md-list-open tabindex="-1">Open</a></x-card>');

    expect($html)
        ->toContain('data-md-list-row')
        ->toContain('data-md-list-actionable')
        ->toContain('tabindex="0"')
        ->toContain('role="button"')
        ->toContain('aria-label="holiday-photos.zip"')
        ->toContain('class="md-state-layer md-focus-ring"')
        ->and((string) $this->blade('<x-card actionable role="link" title="Share">Body</x-card>'))
        ->toContain('role="link"')
        ->and(substr_count((string) $this->blade('<x-card actionable role="link" title="Share">Body</x-card>'), 'role="link"'))->toBe(1)
        ->and((string) $this->blade('<x-card title="Share">Body</x-card>'))
        ->not->toContain('data-md-list-actionable')
        ->not->toContain('tabindex');
});

it('draws M3\'s per-state elevation and dragged state from the tokens, never a hand-made shadow', function () {
    $css = ComponentStylesheet::read('card');

    expect((string) $this->blade('<x-card data-md-dragged variant="elevated">Body</x-card>'))->toContain('data-md-dragged')
        ->and($css->declarations('[data-md-card][data-md-dragged]'))->toBe(['box-shadow' => 'var(--md-sys-elevation-3)'])
        ->and($css->declarations("[data-md-card='elevated'][data-md-dragged]"))->toBe(['box-shadow' => 'var(--md-sys-elevation-4)'])
        ->and($css->declarations("[data-md-card='elevated']"))->toHaveKey('box-shadow', 'var(--md-sys-elevation-1)')
        ->and($css->has('[data-md-card][data-md-list-row]:not([data-md-dragged]):hover:not(:has(:is(a, button, input, select, textarea, label, summary):not([data-md-list-open]):hover))', ['@media (hover: hover)']))->toBeTrue()
        ->and($css->declarations("[data-md-card='elevated'][data-md-list-row]:not([data-md-dragged]):hover:not(:has(:is(a, button, input, select, textarea, label, summary):not([data-md-list-open]):hover))", ['@media (hover: hover)']))->toBe(['box-shadow' => 'var(--md-sys-elevation-2)'])
        ->and($css->declarations('[data-md-card][data-md-list-row]:not([data-md-dragged]):hover:has(:is(a, button, input, select, textarea, label, summary):not([data-md-list-open]):hover)::before', ['@media (hover: hover)']))->toBe(['opacity' => '0']);
});

it('rings the row from the card itself when actionable, or from a has() when its opener is focused', function () {
    $css = ComponentStylesheet::read('card');

    expect($css->declarations('[data-md-card][data-md-list-row]:has([data-md-list-open]:focus-visible)'))
        ->toBe(['outline' => '3px solid var(--md-sys-color-secondary)', 'outline-offset' => '2px'])
        ->and($css->declarations('[data-md-card][data-md-list-row] [data-md-list-open]:focus-visible'))
        ->toBe(['outline' => 'none']);
});

it('titles the card at the heading level the page\'s outline needs', function () {
    expect((string) $this->blade('<x-card title="Shared files" heading="h2">Body</x-card>'))
        ->toContain('<h2 data-md-card-title>Shared files</h2>')
        ->and((string) $this->blade('<x-card title="Shared files" heading="span">Body</x-card>'))
        ->toContain('<h3 data-md-card-title>Shared files</h3>');
});