DependencyTest.php

<?php

namespace Drupal\Tests\Core\Extension;

use Drupal\Component\Version\Constraint;
use Drupal\Core\Extension\Dependency;
use Drupal\Tests\UnitTestCase;

/**
 * @coversDefaultClass \Drupal\Core\Extension\Dependency
 * @group Extension
 */
class DependencyTest extends UnitTestCase {
    
    /**
     * @covers ::createFromString
     * @dataProvider providerCreateFromString
     */
    public function testCreateFromString($string, $expected_name, $expected_project, $expected_constraint) {
        $dependency = Dependency::createFromString($string);
        $this->assertSame($expected_name, $dependency->getName());
        $this->assertSame($expected_project, $dependency->getProject());
        $this->assertSame($expected_constraint, $dependency->getConstraintString());
    }
    
    /**
     * Data provider for testCreateFromString.
     */
    public function providerCreateFromString() {
        $tests = [];
        $tests['module_name_only'] = [
            'views',
            'views',
            '',
            '',
        ];
        $tests['module_and_project_names'] = [
            'drupal:views',
            'views',
            'drupal',
            '',
        ];
        $tests['module_and_constraint'] = [
            'views (<8.x-3.1)',
            'views',
            '',
            '<8.x-3.1',
        ];
        $tests['module_and_project_names_and_constraint'] = [
            'drupal:views (>8.x-1.1)',
            'views',
            'drupal',
            '>8.x-1.1',
        ];
        return $tests;
    }
    
    /**
     * @covers ::isCompatible
     */
    public function testIsCompatible() {
        $dependency = new Dependency('paragraphs_demo', 'paragraphs', '>8.x-1.1');
        $this->assertFalse($dependency->isCompatible('1.1'));
        $this->assertTrue($dependency->isCompatible('1.2'));
    }
    
    /**
     * Ensures that constraint objects are not serialized.
     *
     * @covers ::__sleep
     */
    public function testSerialization() {
        $dependency = new Dependency('paragraphs_demo', 'paragraphs', '>8.x-1.1');
        $this->assertTrue($dependency->isCompatible('1.2'));
        $reflected_constraint = (new \ReflectionObject($dependency))->getProperty('constraint');
        $reflected_constraint->setAccessible(TRUE);
        $constraint = $reflected_constraint->getValue($dependency);
        $this->assertInstanceOf(Constraint::class, $constraint);
        $dependency = unserialize(serialize($dependency));
        $reflected_constraint = (new \ReflectionObject($dependency))->getProperty('constraint');
        $reflected_constraint->setAccessible(TRUE);
        $constraint = $reflected_constraint->getValue($dependency);
        $this->assertNull($constraint);
        $this->assertTrue($dependency->isCompatible('1.2'));
        $constraint = $reflected_constraint->getValue($dependency);
        $this->assertInstanceOf(Constraint::class, $constraint);
    }

}