BlockBaseTest.php

<?php

namespace Drupal\Tests\Core\Block;

use Drupal\block_test\Plugin\Block\TestBlockInstantiation;
use Drupal\Tests\UnitTestCase;

/**
 * @coversDefaultClass \Drupal\Core\Block\BlockBase
 * @group block
 */
class BlockBaseTest extends UnitTestCase {
    
    /**
     * Tests the machine name suggestion.
     *
     * @see \Drupal\Core\Block\BlockBase::getMachineNameSuggestion()
     *
     * @param string $label
     *   The block label.
     * @param string $expected
     *   The expected machine name.
     *
     * @dataProvider providerTestGetMachineNameSuggestion()
     */
    public function testGetMachineNameSuggestion($label, $expected) {
        $module_handler = $this->createMock('Drupal\\Core\\Extension\\ModuleHandlerInterface');
        $transliteration = $this->getMockBuilder('Drupal\\Core\\Transliteration\\PhpTransliteration')
            ->setConstructorArgs([
            NULL,
            $module_handler,
        ])
            ->onlyMethods([
            'readLanguageOverrides',
        ])
            ->getMock();
        $config = [];
        $definition = [
            'admin_label' => $label,
            'provider' => 'block_test',
        ];
        $block_base = new TestBlockInstantiation($config, 'test_block_instantiation', $definition);
        $block_base->setTransliteration($transliteration);
        $this->assertEquals($expected, $block_base->getMachineNameSuggestion());
    }
    
    /**
     * Provides data for testGetMachineNameSuggestion().
     */
    public function providerTestGetMachineNameSuggestion() {
        return [
            [
                'Admin label',
                'adminlabel',
            ],
            [
                'über åwesome',
                'uberawesome',
            ],
        ];
    }

}