ServicesDefaultsTest.php

<?php

namespace Drupal\KernelTests\Core\DependencyInjection;

use Drupal\KernelTests\KernelTestBase;
use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;

/**
 * Tests services _defaults definition.
 *
 * @group DependencyInjection
 */
class ServicesDefaultsTest extends KernelTestBase {
    protected static $modules = [
        'services_defaults_test',
    ];
    
    /**
     * Tests that 'services_defaults_test.service' has its dependencies injected.
     */
    public function testAutowiring() {
        // Ensure interface autowiring works.
        $this->assertSame($this->container
            ->get('Drupal\\services_defaults_test\\TestInjection'), $this->container
            ->get('Drupal\\services_defaults_test\\TestService')
            ->getTestInjection());
        // Ensure defaults autowire works.
        $this->assertSame($this->container
            ->get('Drupal\\services_defaults_test\\TestInjection2'), $this->container
            ->get('Drupal\\services_defaults_test\\TestService')
            ->getTestInjection2());
        // Ensure that disabling autowiring works.
        $this->assertNotSame($this->container
            ->get('Drupal\\services_defaults_test\\TestInjection'), $this->container
            ->get('services_default_test.no_autowire')
            ->getTestInjection());
        $this->assertSame($this->container
            ->get('services_default_test.no_autowire.arg'), $this->container
            ->get('services_default_test.no_autowire')
            ->getTestInjection());
        $this->assertSame($this->container
            ->get('Drupal\\services_defaults_test\\TestInjection2'), $this->container
            ->get('services_default_test.no_autowire')
            ->getTestInjection2());
    }
    
    /**
     * Tests that default tags for 'services_defaults_test.service' are applied.
     */
    public function testDefaultTags() {
        // Ensure default tags work.
        $testServiceDefinition = $this->container
            ->getDefinition('Drupal\\services_defaults_test\\TestService');
        $testInjection1Definition = $this->container
            ->getDefinition('Drupal\\services_defaults_test\\TestInjection');
        $testInjection2Definition = $this->container
            ->getDefinition('Drupal\\services_defaults_test\\TestInjection2');
        $this->assertTrue($testServiceDefinition->hasTag('foo.tag1'));
        $this->assertTrue($testServiceDefinition->hasTag('bar.tag2'));
        $this->assertSame([
            [
                'test' => 123,
            ],
        ], $testServiceDefinition->getTag('bar.tag2'));
        $this->assertTrue($testServiceDefinition->hasTag('bar.tag3'));
        $this->assertSame([
            [
                'value' => NULL,
            ],
        ], $testServiceDefinition->getTag('bar.tag3'));
        $this->assertSame($testServiceDefinition->getTags(), $testInjection1Definition->getTags());
        // Ensure overridden tag works.
        $this->assertTrue($testInjection2Definition->hasTag('zee.bang'));
        $this->assertTrue($testInjection2Definition->hasTag('foo.tag1'));
        $this->assertTrue($testInjection2Definition->hasTag('bar.tag2'));
        $this->assertSame([
            [
                'test' => 321,
            ],
            [
                'test' => 123,
            ],
        ], $testInjection2Definition->getTag('bar.tag2'));
        $this->assertTrue($testInjection2Definition->hasTag('bar.tag3'));
        $this->assertSame([
            [
                'value' => NULL,
            ],
        ], $testInjection2Definition->getTag('bar.tag3'));
    }
    
    /**
     * Tests that service from 'services_defaults_test.service' is private.
     */
    public function testPrivateServices() {
        // Ensure default and overridden public flag works.
        $this->expectException(ServiceNotFoundException::class);
        $this->container
            ->getDefinition('Drupal\\services_defaults_test\\TestPrivateService');
    }

}