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enums/tests/Pest/MetadataTest.php
Samuel Štancl 55478c4eb7
Metadata (#8)
* Metadata

* Fix code style (php-cs-fixer)

* Code style

Co-authored-by: PHP CS Fixer <phpcsfixer@example.com>
2022-03-29 20:11:06 +02:00

63 lines
2.5 KiB
PHP

<?php
test('pure enums can have metadata on cases', function () {
expect(Role::ADMIN->color())->toBe('indigo');
expect(Role::GUEST->color())->toBe('gray');
expect(Role::ADMIN->description())->toBe('Administrator');
expect(Role::GUEST->description())->toBe('Read-only guest');
expect(Role::ADMIN->help())->toBe('Help: Administrators can manage the entire account');
expect(Role::GUEST->help())->toBe('Help: Guest users can only view the existing records');
});
test('backed enums can have metadata on cases', function () {
expect(Status::DONE->color())->toBe('green');
expect(Status::PENDING->color())->toBe('orange');
expect(Status::PENDING->description())->toBe('Incomplete task');
expect(Status::DONE->description())->toBe('Completed task');
});
test('meta properties must be enabled on the enum to be usable on cases', function () {
expect(Role::ADMIN->help())->not()->toBeNull(); // enabled
expect(Status::DONE->help())->toBeNull(); // not enabled
});
test('meta properties can transform arguments', function () {
expect(
Instructions::make('Administrators can manage the entire account')->value
)->toStartWith('Help: ');
});
test('meta properties can customize the method name using a method', function () {
expect(Desc::method())->toBe('description');
expect(Status::DONE->desc())->toBeNull();
expect(Status::DONE->description())->not()->toBeNull();
});
test('meta properties can customize the method name using a property', function () {
expect(Instructions::method())->toBe('help');
expect(Role::ADMIN->instructions())->toBeNull();
expect(Role::ADMIN->help())->not()->toBeNull();
});
test('enums can be instantiated from metadata', function () {
expect(Role::fromMeta(Color::make('indigo')))->toBe(Role::ADMIN);
expect(Role::fromMeta(Color::make('gray')))->toBe(Role::GUEST);
expect(Status::fromMeta(Desc::make('Incomplete task')))->toBe(Status::PENDING);
expect(Status::fromMeta(Desc::make('Completed task')))->toBe(Status::DONE);
});
test('enums can be instantiated from metadata using tryFromMeta')
->expect(Role::tryFromMeta(Color::make('indigo')))
->toBe(Role::ADMIN);
test('fromMeta throws an exception when the enum cannot be instantiated', function () {
Role::fromMeta(Color::make('foobar'));
})->throws(ValueError::class, 'Enum Role does not have a case with a meta property "Color" of value "foobar"');
test('tryFromMeta silently fails when the enum cannot be instantiated')
->expect(Role::tryFromMeta(Color::make('foobar')))
->toBe(null);