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

<?php

it('draws a content region with a body and no app bar when it has no title', function () {
    $html = (string) $this->blade('<x-pane>The page</x-pane>');

    expect(layoutRoot($html))->toMatchArray(['<' => 'div', 'data-md-pane' => 'data-md-pane'])
        ->not->toHaveKeys(['data-md-width', 'data-md-hide-below', 'data-md-hide-from'])
        ->and($html)->toMatch('/<div data-md-pane-body>The page<\/div>/')
        ->not->toContain('data-md-app-bar')
        ->not->toContain('data-md-pane-navigation');
});

it('gives the pane its own app bar, a direct child spanning it, with the title, subtitle and actions', function () {
    $html = (string) $this->blade(<<<'BLADE'
        <x-pane title="Settings" subtitle="Your account" heading="h2">
            <x-slot:actions><span>ACTIONS</span></x-slot:actions>
            BODY
        </x-pane>
        BLADE);

    expect($html)
        ->toMatch('/^\s*<div data-md-pane[^>]*>\s*<header\b[^>]*data-md-app-bar[^>]*data-md-pane-bar/s')
        ->toContain('<h2 data-md-app-bar-title>Settings</h2>')
        ->toContain('<p data-md-app-bar-subtitle>Your account</p>')
        ->toMatch('/<div data-md-app-bar-trailing><span>ACTIONS<\/span><\/div>/')
        ->toContain('data-md-sticky')
        ->toMatch('/<\/header>\s*<div data-md-pane-body>\s*BODY\s*<\/div>/s')
        ->and((string) $this->blade('<x-pane title="Settings" :sticky="false" />'))->not->toContain('data-md-sticky');
});

it('draws a bar for actions alone, and names the heading h1 by default', function () {
    expect((string) $this->blade('<x-pane><x-slot:actions><span>ACTIONS</span></x-slot:actions></x-pane>'))->toContain('data-md-pane-bar')
        ->and((string) $this->blade('<x-pane title="Inbox" />'))->toContain('<h1 data-md-app-bar-title>Inbox</h1>');
});

it('puts the section navigation under the bar and above the body', function () {
    $html = (string) $this->blade(<<<'BLADE'
        <x-pane title="Settings">
            <x-slot:navigation><nav>SECTIONS</nav></x-slot:navigation>
            BODY
        </x-pane>
        BLADE);

    expect($html)->toMatch('/<\/header>\s*<div data-md-pane-navigation><nav>SECTIONS<\/nav><\/div>\s*<div data-md-pane-body>\s*BODY/s')
        // It is the pane's section navigation, not the bar's leading button.
        ->not->toContain('data-md-app-bar-leading');
});

it('leads the bar with a back link, a back action for a list-detail, or the leading slot', function () {
    $link = (string) $this->blade('<x-pane title="Recipients" back="/shares" />');
    $action = (string) $this->blade('<x-pane title="Message" back />');
    $leading = (string) $this->blade('<x-pane title="Inbox" back><x-slot:leading><button>MENU</button></x-slot:leading></x-pane>');

    expect($link)->toMatch('/data-md-app-bar-leading><span data-md-pane-back\s*>/')
        ->toMatch('/<a[^>]*href="\/shares"[^>]*aria-label="Back"/s')
        ->not->toContain('data-md-list-detail-back')
        ->and($action)->toMatch('/<span data-md-pane-back\s+data-md-list-detail-back\s*>/')
        ->toMatch('/<button[^>]*aria-label="Back"[^>]*x-on:click="back\(\)"/s')
        ->and($leading)->toContain('<div data-md-app-bar-leading><button>MENU</button></div>')
        ->not->toContain('data-md-pane-back');
});

it('caps its width with M3\'s narrow measure or the wider steps', function () {
    foreach (['full', 'narrow', 'medium', 'wide'] as $width) {
        expect(layoutRoot((string) $this->blade('<x-pane :width="$width" />', ['width' => $width]))['data-md-width'])->toBe($width);
    }

    expect(layoutRoot((string) $this->blade('<x-pane width="40rem" />')))->not->toHaveKey('data-md-width');
});

it('keeps M3\'s margin on the body, once', function () {
    $css = (string) file_get_contents(__DIR__.'/../../../resources/css/layout/pane.css');

    expect($css)->toContain('padding-inline: var(--md-layout-margin, var(--md-sys-measurement-space200));')
        ->toContain("@media (width >= 600px) {\n            padding-inline: var(--md-layout-margin, var(--md-sys-measurement-space300));")
        ->toContain("[data-md-pane-body] > * {\n        --md-layout-margin: 0px;")
        ->toContain("[data-md-pane][data-md-width='narrow'] {\n        max-inline-size: 40rem;");
});