ConfigFormBaseTraitTest.php

<?php

namespace Drupal\Tests\Core\Form;

use Drupal\Tests\UnitTestCase;

/**
 * @coversDefaultClass \Drupal\Core\Form\ConfigFormBaseTrait
 * @group Form
 */
class ConfigFormBaseTraitTest extends UnitTestCase {
    
    /**
     * @covers ::config
     */
    public function testConfig() {
        $trait = $this->getMockForTrait('Drupal\\Core\\Form\\ConfigFormBaseTrait');
        // Set up some configuration in a mocked config factory.
        $trait->configFactory = $this->getConfigFactoryStub([
            'editable.config' => [],
            'immutable.config' => [],
        ]);
        $trait->expects($this->any())
            ->method('getEditableConfigNames')
            ->willReturn([
            'editable.config',
        ]);
        $config_method = new \ReflectionMethod($trait, 'config');
        $config_method->setAccessible(TRUE);
        // Ensure that configuration that is expected to be mutable is.
        $result = $config_method->invoke($trait, 'editable.config');
        $this->assertInstanceOf('\\Drupal\\Core\\Config\\Config', $result);
        $this->assertNotInstanceOf('\\Drupal\\Core\\Config\\ImmutableConfig', $result);
        // Ensure that configuration that is expected to be immutable is.
        $result = $config_method->invoke($trait, 'immutable.config');
        $this->assertInstanceOf('\\Drupal\\Core\\Config\\ImmutableConfig', $result);
    }
    
    /**
     * @covers ::config
     */
    public function testConfigFactoryException() {
        $trait = $this->getMockForTrait('Drupal\\Core\\Form\\ConfigFormBaseTrait');
        $config_method = new \ReflectionMethod($trait, 'config');
        $config_method->setAccessible(TRUE);
        // There is no config factory available this should result in an exception.
        $this->expectException(\LogicException::class);
        $this->expectExceptionMessage('No config factory available for ConfigFormBaseTrait');
        $config_method->invoke($trait, 'editable.config');
    }
    
    /**
     * @covers ::config
     */
    public function testConfigFactoryExceptionInvalidProperty() {
        $trait = $this->getMockForTrait('Drupal\\Core\\Form\\ConfigFormBaseTrait');
        $trait->configFactory = TRUE;
        $config_method = new \ReflectionMethod($trait, 'config');
        $config_method->setAccessible(TRUE);
        // There is no config factory available this should result in an exception.
        $this->expectException(\LogicException::class);
        $this->expectExceptionMessage('No config factory available for ConfigFormBaseTrait');
        $config_method->invoke($trait, 'editable.config');
    }

}