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

<?php

it('draws an outlined field with a notched label unless told otherwise', function () {
    $html = (string) $this->blade('<x-input label="Share name" />');

    expect($html)
        ->toContain('data-md-field')
        ->toContain('data-md-variant="outlined"')
        ->toContain('<legend><span>Share name</span></legend>')
        ->toMatch('/<label for="(field-[0-9a-f]{12})" data-md-field-label>Share name<\/label>/')
        ->toContain('placeholder=" "')
        ->toContain('data-md-field-control')
        ->not->toContain('class=');
});

it('draws a filled field on request, or by the application\'s default', function () {
    expect((string) $this->blade('<x-input label="Name" variant="filled" />'))->toContain('data-md-variant="filled"');

    config(['livewire-material.fields.variant' => 'filled']);

    expect((string) $this->blade('<x-input label="Name" />'))->toContain('data-md-variant="filled"')
        ->and((string) $this->blade('<x-input label="Name" variant="outlined" />'))->toContain('data-md-variant="outlined"')
        ->and((string) $this->blade('<x-input label="Name" variant="glass" />'))->toContain('data-md-variant="filled"');
});

it('ties the label, the hint and the control together', function () {
    $html = (string) $this->blade('<x-input id="share-name" label="Share name" hint="Recipients see this name" wire:model="name" />');

    expect($html)
        ->toContain('<label for="share-name" data-md-field-label>')
        ->toContain('id="share-name"')
        ->toContain('aria-describedby="share-name-support"')
        ->toMatch('/<p id="share-name-support" data-md-field-support\s*>Recipients see this name<\/p>/')
        ->toContain('wire:model="name"')
        ->not->toContain('aria-invalid');
});

it('replaces the hint with the errors for its model', function () {
    $html = (string) $this->withViewErrors(['email' => ['Enter a valid email address.']])
        ->blade('<x-input id="email" label="Email" hint="We never share it" wire:model.live="email" />');

    expect($html)
        ->toContain('data-md-invalid')
        ->toContain('aria-invalid="true"')
        ->toContain('role="alert"')
        ->toContain('aria-describedby="email-support"')
        ->toContain('Enter a valid email address.')
        ->not->toContain('We never share it');
});

it('pairs the error colours with a trailing error icon', function () {
    $errors = ['email' => ['Enter a valid email address.']];

    expect((string) $this->withViewErrors($errors)->blade('<x-input id="email" label="Email" wire:model="email" />'))
        ->toMatch('/<svg(?=[^>]*data-md-field-trailing)(?=[^>]*data-md-field-error)(?=[^>]*aria-label="Error")(?=[^>]*role="img")[^>]*>/')
        ->and((string) $this->withViewErrors($errors)->blade('<x-input id="email" label="Email" size="xs" wire:model="email" />'))
        ->not->toContain('data-md-field-error')
        ->and((string) $this->withViewErrors($errors)->blade('<x-input id="email" label="Email" icon-right="info" wire:model="email" />'))
        ->not->toContain('data-md-field-error')
        ->and((string) $this->blade('<x-input id="email" label="Email" />'))
        ->not->toContain('data-md-field-error');
});

it('puts icons, affixes and the size on the field, and every other attribute on the input', function () {
    $html = (string) $this->blade('<x-input label="Price" icon="payments" icon-right="info" prefix="CHF" suffix="per month" size="sm" type="number" min="0" class="w-40" mono readonly />');

    expect($html)
        ->toMatch('/<div\s+data-md-field\s+data-md-variant="outlined"\s+data-md-size="sm"\s+data-md-mono\s+class="w-40" data-md-readonly=""\s*>/')
        ->toContain('<span data-md-field-affix>CHF</span>')
        ->toContain('<span data-md-field-affix>per month</span>')
        ->toContain('type="number"')
        ->toContain('min="0"')
        // An sm field's icons are 20px, drawn from the 20 cut.
        ->and(substr_count($html, '--md-icon-size: 20px'))->toBe(2)
        ->and(substr_count($html, '<svg'))->toBe(2);
});

it('offers to clear and to copy the value', function () {
    $html = (string) $this->blade('<x-input label="Link" clearable copyable />');

    expect($html)
        ->toContain('data-md-field-clear')
        ->toContain('aria-label="Clear"')
        ->toContain('data-md-field-copy')
        ->toContain("\$el.closest('[data-md-field]').querySelector('[data-md-field-control]')")
        // A labelled field is md: its icons are 24px.
        ->toContain('--md-icon-size: 24px')
        ->toContain('navigator.clipboard.writeText')
        ->toContain('aria-label="Copy"');
});

it('lets a password be shown and hidden again', function () {
    $html = (string) $this->blade('<x-password label="Password" autocomplete="current-password" type="text" />');

    expect($html)
        ->toContain('type="password"')
        ->not->toContain('type="text"')
        ->toContain('x-bind:type="shown ? \'text\' : \'password\'"')
        ->toContain('data-md-field-reveal')
        ->toContain('aria-label="Show password"')
        // The flipping label already says the state; aria-pressed would say it again, inverted.
        ->not->toContain('aria-pressed')
        ->toContain('autocomplete="current-password"');
});

it('grows a textarea from its rows up to its maximum, or leaves it to be resized', function () {
    expect((string) $this->blade('<x-textarea label="Message" rows="2" max-rows="6" />'))
        ->toContain('rows="2"')
        ->toContain('data-md-autogrow')
        ->toContain('--field-rows: 2;')
        ->toContain('--field-max-rows: 6;')
        ->and((string) $this->blade('<x-textarea label="Message" :autogrow="false" />'))
        ->toContain('rows="3"')
        ->not->toContain('data-md-autogrow');
});

it('draws a native select whose label always floats', function () {
    $html = (string) $this->blade(<<<'BLADE'
        <x-select label="Expires" wire:model="hours" placeholder="Choose…" option-value="hours" option-label="label" :options="[
            ['hours' => 1, 'label' => '1 hour'],
            ['hours' => 720, 'label' => '30 days', 'disabled' => true],
        ]" />
        BLADE);

    expect($html)
        ->toContain('data-md-floated')
        ->toContain('<select')
        ->toContain('wire:model="hours"')
        ->toContain('<option value="">Choose…</option>')
        ->toContain('<option value="1" >1 hour</option>')
        ->toContain('<option value="720" disabled>30 days</option>')
        ->toContain('data-md-field-arrow');
});

it('takes a select\'s options from its slot as well', function () {
    expect((string) $this->blade('<x-select label="Size"><option value="s">Small</option></x-select>'))
        ->toContain('<option value="s">Small</option>');
});

it('collects a file field\'s own errors and each file\'s', function () {
    $html = (string) $this->withViewErrors([
        'photos' => ['Choose at most 10 photos.'],
        'photos.0' => ['photo.jpg is larger than 2 GB.'],
    ])->blade('<x-file label="Photos" wire:model="photos" multiple />');

    expect($html)
        ->toContain('type="file"')
        ->toContain('multiple')
        ->toContain('data-md-floated')
        ->toContain('Choose at most 10 photos.')
        ->toContain('photo.jpg is larger than 2 GB.');
});

it('counts the characters of a field that has a maximum', function () {
    $html = (string) $this->blade('<x-input id="bio" label="Bio" hint="Shown on your profile" maxlength="60" counter />');

    expect($html)
        ->toContain('data-md-field-support-row')
        ->toContain('data-md-field-counter')
        ->toContain('x-bind:data-md-over="used > max"')
        ->toContain('class="md-visually-hidden"')
        ->toContain('maxlength="60"')
        ->toContain('max: 60,')
        ->toContain('>0/60</span>')
        ->toContain('aria-live="polite"')
        ->toContain('Shown on your profile');

    expect((string) $this->blade('<x-textarea id="note" label="Note" maxlength="140" counter />'))
        ->toContain('data-md-field-counter')
        ->toContain('>0/140</span>');
});

it('shows no counter without `counter` or without a maximum to count against', function () {
    expect((string) $this->blade('<x-input label="Bio" maxlength="60" />'))->not->toContain('data-md-field-counter')
        ->and((string) $this->blade('<x-input label="Bio" counter />'))->not->toContain('data-md-field-counter')
        ->and((string) $this->blade('<x-textarea label="Note" counter />'))->not->toContain('data-md-field-counter');
});

it('bounds a field\'s width from medium unless it is told to fill its pane', function () {
    expect(file_get_contents(__DIR__.'/../../../resources/css/components/field.css'))
        ->toContain('@media (width >= 600px)')
        ->toMatch('/\[data-md-field\]:not\(\[data-md-full\]\)\s*\{\s*max-width: 40rem;/');

    expect((string) $this->blade('<x-input label="Share name" full />'))->toContain('data-md-full')
        ->and((string) $this->blade('<x-textarea label="Message" full />'))->toContain('data-md-full')
        ->and((string) $this->blade('<x-input label="Share name" />'))->not->toContain('data-md-full');
});

it('lays out a form with its actions under an optional divider', function () {
    $html = (string) $this->blade(<<<'BLADE'
        <x-form wire:submit="save" separator>
            <x-input label="Name" />
            <x-slot:actions class="justify-between"><button>Save</button></x-slot:actions>
        </x-form>
        BLADE);

    expect($html)
        ->toContain('<form data-md-form wire:submit="save">')
        ->toContain('role="separator"')
        ->toContain('<div data-md-form-actions class="justify-between">')
        ->not->toContain('grid-cols-1')
        ->toContain('<button>Save</button>')
        ->and((string) $this->blade('<x-form><x-slot:actions><button>Save</button></x-slot:actions></x-form>'))
        ->not->toContain('role="separator"');
});

it('draws a form\'s column and its actions from its stylesheet', function () {
    $css = (string) file_get_contents(__DIR__.'/../../../resources/css/components/form.css');

    expect($css)->toContain('@layer material.components')
        ->toContain('grid-template-columns: minmax(0, 1fr);')
        ->toContain('gap: var(--md-sys-measurement-space200);')
        ->and((string) file_get_contents(__DIR__.'/../../../resources/css/components.css'))->toContain("@import './components/form.css';");
});

it('keeps the field\'s chrome in its own stylesheet in the components layer', function () {
    $css = (string) file_get_contents(__DIR__.'/../../../resources/css/components/field.css');

    expect($css)->toContain('@layer material.components')
        ->toContain("@import './icon.css';")
        ->toContain('[data-md-field-box]')
        ->not->toMatch('/(?<![\\w-])\\.field\\b/')
        ->and((string) file_get_contents(__DIR__.'/../../../resources/css/components.css'))->toContain("@import './components/field.css';")
        ->and((string) file_get_contents(__DIR__.'/../../../resources/css/tailwind.css'))->not->toContain('field.css');
});

it('takes a custom control marked as the field\'s control, and a hint class', function () {
    $html = (string) $this->blade(<<<'BLADE'
        <x-field id="expiry" label="Expiry" hint="In the future" hint-class="md-ink-primary">
            <input id="expiry" data-md-field-control value="2030-01-01" />
        </x-field>
        BLADE);

    expect($html)
        ->toContain('<input id="expiry" data-md-field-control value="2030-01-01" />')
        ->toMatch('/<p id="expiry-support" data-md-field-support\s+class="md-ink-primary"\s*>In the future<\/p>/')
        ->toContain('<fieldset aria-hidden="true" data-md-field-outline>');
});