public function testBinding()
{
$injector = new Injector(null);
$injector->bind([Binding::init(HeavyEngine::class)->lazy(), bind("AAA")->toAlias(HeavyEngine::class)]);
$engine = $injector->get('AAA');
$this->assertInstanceOf(Engine::class, $engine);
}
public function testBindings()
{
// Arrange
$injector = new Injector(null);
$injector->bind(bind(Car::class)->toClass(FastCar::class), bind(Engine::class)->toClass(Engine::class)->singleton());
/** @var Car $car */
$car = $injector->get(Car::class);
/** @var Engine $engine */
$engine = $injector->get(Engine::class);
$this->assertSame($car->engine, $engine);
$this->assertNotSame($car->tire0, $car->tire1);
$this->assertNotSame($car->tire0, $car->tire2);
$this->assertNotSame($car->tire0, $car->tire3);
$this->assertNotSame($car->tire1, $car->tire2);
$this->assertNotSame($car->tire1, $car->tire3);
$this->assertNotSame($car->tire2, $car->tire3);
$this->assertInstanceOf(SmallTire::class, $car->tire0);
$this->assertInstanceOf(SmallTire::class, $car->tire1);
$this->assertInstanceOf(HeavyTire::class, $car->tire2);
$this->assertInstanceOf(HeavyTire::class, $car->tire3);
}