livewire-material/tests/Feature/SchemeTest.php

<?php

use Illuminate\Support\Facades\File;
use Illuminate\Support\Str;
use NoNameWeb\LivewireMaterial\Support\Scheme;

/**
 * A scheme file with colour profiles, as `material:scheme` writes one from config.
 *
 * @param  array<string, string>  $primaries  profile => light primary
 */
function writeProfiles(string $path, array $primaries, string $default): void
{
    $profiles = collect($primaries)->map(fn (string $primary, string $name): array => [
        'label' => Str::headline($name),
        'seed' => $primary,
        'variant' => 'vibrant',
        'spec' => '2025',
        'contrast' => 0,
        'light' => ['primary' => $primary, 'surface' => '#fafafa'],
        'dark' => ['primary' => '#eeeeee', 'surface' => '#111111'],
        'contrast' => [
            'standard' => 0,
            'medium' => ['light' => ['primary' => '#332f8a'], 'dark' => ['surface' => '#0a0a0a']],
            'high' => ['light' => ['primary' => '#000000'], 'dark' => ['primary' => '#ffffff', 'surface' => '#000000']],
        ],
    ])->all();

    File::put($path, json_encode([...collect($profiles[$default])->except('label')->all(), 'default' => $default, 'profiles' => $profiles]));
}

beforeEach(function () {
    $this->path = sys_get_temp_dir().'/material-profiles-'.Str::random(8).'.json';
    writeProfiles($this->path, ['indigo' => '#4f46e5', 'teal' => '#00897b', 'rose' => '#c2185b'], 'indigo');
});

afterEach(function () {
    Scheme::resolveProfileUsing(null);
    File::delete($this->path);
});

it('lists the generated profiles with their labels and roles, filling missing roles from the default', function () {
    $profiles = Scheme::profiles($this->path);

    expect(array_keys($profiles))->toBe(['indigo', 'teal', 'rose'])
        ->and($profiles['teal']['label'])->toBe('Teal')
        ->and($profiles['teal']['light']['primary'])->toBe('#00897b')
        ->and($profiles['teal']['light'])->toHaveKey('on-surface-variant')
        ->and(Scheme::profiles(sys_get_temp_dir().'/missing-scheme.json'))->toBe([]);
});

it('follows the resolver to the active profile, and falls back to the default', function () {
    expect(Scheme::profile($this->path))->toBe('indigo');

    Scheme::resolveProfileUsing(fn (): string => 'teal');
    expect(Scheme::profile($this->path))->toBe('teal')
        ->and(Scheme::light($this->path)['primary'])->toBe('#00897b')
        ->and(Scheme::load($this->path)['dark']['surface'])->toBe('#111111');

    Scheme::resolveProfileUsing(fn (): string => 'ocean');
    expect(Scheme::profile($this->path))->toBe('indigo');

    Scheme::resolveProfileUsing(fn (): ?string => null);
    expect(Scheme::profile($this->path))->toBe('indigo');

    Scheme::resolveProfileUsing(fn () => throw new RuntimeException('The database is down.'));
    expect(Scheme::profile($this->path))->toBe('indigo');
});

it('loads a profile by name, whatever is active', function () {
    Scheme::resolveProfileUsing(fn (): string => 'teal');

    expect(Scheme::light($this->path, 'rose')['primary'])->toBe('#c2185b')
        ->and(Scheme::light($this->path, 'ocean')['primary'])->toBe('#00897b');
});

it('loads a contrast level, falling back to the standard roles it does not name', function () {
    expect(Scheme::load($this->path, 'teal', 'high')['light']['primary'])->toBe('#000000')
        ->and(Scheme::load($this->path, 'teal', 'high')['dark']['surface'])->toBe('#000000')
        // The level names no surface in light, so the standard one stands.
        ->and(Scheme::light($this->path, 'teal', 'high')['surface'])->toBe('#fafafa')
        ->and(Scheme::load($this->path, 'teal', 'medium')['light']['primary'])->toBe('#332f8a')
        ->and(Scheme::load($this->path, 'teal')['light']['primary'])->toBe('#00897b')
        // A level nobody generated, and a name that is not one, are the standard scheme.
        ->and(Scheme::load($this->path, 'teal', 'extreme')['light']['primary'])->toBe('#00897b')
        ->and(Scheme::profiles($this->path, 'high')['rose']['light']['primary'])->toBe('#000000')
        ->and(Scheme::profiles($this->path)['rose']['light']['primary'])->toBe('#c2185b');
});

it('draws a high contrast level from the package default for a scheme file without one', function () {
    File::put($this->path, json_encode(['light' => ['primary' => '#123456'], 'dark' => ['primary' => '#abcdef']]));

    $package = json_decode(File::get(__DIR__.'/../../resources/css/tokens/scheme.json'), true);

    expect(Scheme::light($this->path, null, 'high')['primary'])->toBe('#123456')
        ->and(Scheme::light($this->path, null, 'high')['surface'])->toBe($package['contrast']['high']['light']['surface'])
        ->and(Scheme::light($this->path)['surface'])->toBe($package['light']['surface']);
});

it('has no profile for a single scheme, and loads it as before', function () {
    File::put($this->path, json_encode(['light' => ['primary' => '#123456'], 'dark' => ['primary' => '#abcdef']]));
    Scheme::resolveProfileUsing(fn (): string => 'teal');

    expect(Scheme::profile($this->path))->toBeNull()
        ->and(Scheme::profiles($this->path))->toBe([])
        ->and(Scheme::light($this->path)['primary'])->toBe('#123456')
        ->and(Scheme::light($this->path))->toHaveKey('on-surface');
});