spiral / framework

src/Core/tests/BindingsTest.php

<?php

/**
 * Spiral Framework.
 *
 * @license   MIT
 * @author    Anton Titov (Wolfy-J)
 */

declare(strict_types=1);

namespace Spiral\Tests\Core;

use PHPUnit\Framework\TestCase;
use Psr\Container\ContainerInterface;
use Spiral\Core\Container;
use Spiral\Tests\Core\Fixtures\SampleClass;

class BindingsTest extends TestCase
{
    public function testBasicBinding(): void
    {
        $container = new Container();
        $this->assertInstanceOf(ContainerInterface::class, $container);

        $this->assertFalse($container->has('abc'));

        $container->bind('abc', function () {
            return 'hello';
        });

        $this->assertTrue($container->has('abc'));
        $this->assertEquals('hello', $container->get('abc'));
    }

    public function testStringBinding(): void
    {
        $container = new Container();

        $this->assertFalse($container->has('abc'));
        $container->bind('abc', function () {
            return 'hello';
        });

        $container->bind('dce', 'abc');

        $this->assertTrue($container->has('dce'));
        $this->assertEquals('hello', $container->get('abc'));
        $this->assertEquals($container->get('abc'), $container->get('dce'));
    }

    public function testClassBinding(): void
    {
        $container = new Container();

        $this->assertFalse($container->has('sampleClass'));
        $container->bind('sampleClass', SampleClass::class);

        $this->assertTrue($container->has('sampleClass'));
        $this->assertInstanceOf(SampleClass::class, $container->get('sampleClass'));
    }

    public function testFactoryBinding(): void
    {
        $container = new Container();

        $container->bindSingleton('sampleClass', [self::class, 'sampleClass']);
        $this->assertInstanceOf(SampleClass::class, $container->get('sampleClass'));
    }

    public function testInstanceBinding(): void
    {
        $container = new Container();

        $container->bindSingleton('sampleClass', new SampleClass());

new Spiral\Tests\Core\Fixtures\SampleClass() of type Spiral\Tests\Core\Fixtures\SampleClass is incompatible with the type array|callable|string expected by parameter $resolver of Spiral\Core\Container::bindSingleton().

        $instance = $container->get('sampleClass');

        $this->assertInstanceOf(SampleClass::class, $instance);
        $this->assertSame($instance, $container->get('sampleClass'));
    }

    /**
     * @return SampleClass
     */
    public function sampleClass()
    {
        return new SampleClass();
    }
}