WizardPluginBaseTest.php

<?php

namespace Drupal\Tests\views\Unit;

use Drupal\Core\Form\FormState;
use Drupal\Tests\UnitTestCase;
use Drupal\views\Plugin\views\wizard\WizardPluginBase;

/**
 * @coversDefaultClass \Drupal\views\Plugin\views\wizard\WizardPluginBase
 *
 * @group views
 */
class WizardPluginBaseTest extends UnitTestCase {
    
    /**
     * @covers ::getSelected
     *
     * @dataProvider providerTestGetSelected
     */
    public function testGetSelected($expected, $element = [], $parents = [], $user_input = [], $not_rebuilding_expected = NULL) {
        $not_rebuilding_expected = $not_rebuilding_expected ?: $expected;
        $form_state = new FormState();
        $form_state->setUserInput($user_input);
        $actual = WizardPluginBase::getSelected($form_state, $parents, 'the_default_value', $element);
        $this->assertSame($not_rebuilding_expected, $actual);
        $this->assertSame($user_input, $form_state->getUserInput());
        $form_state->setRebuild();
        $actual = WizardPluginBase::getSelected($form_state, $parents, 'the_default_value', $element);
        $this->assertSame($expected, $actual);
        $this->assertSame($user_input, $form_state->getUserInput());
    }
    
    /**
     * Provides test data for testGetSelected().
     */
    public function providerTestGetSelected() {
        $data = [];
        // A form element with an invalid #type.
        $data['invalid_type'] = [
            'the_default_value',
            [
                '#type' => 'checkbox',
            ],
        ];
        // A form element with no #options.
        $data['no_options'] = [
            'the_default_value',
            [
                '#type' => 'select',
            ],
        ];
        // A valid form element with no user input.
        $data['no_user_input'] = [
            'the_default_value',
            [
                '#type' => 'select',
                '#options' => [
                    'option1' => 'Option 1',
                ],
            ],
        ];
        // A valid form element with user input that doesn't correspond to it.
        $data['mismatched_input'] = [
            'the_default_value',
            [
                '#type' => 'select',
                '#options' => [
                    'option1' => 'Option 1',
                ],
            ],
            [
                'foo',
                'bar',
            ],
            [
                'foo' => [
                    'foo' => 'value1',
                ],
            ],
        ];
        // A valid form element with a valid dynamic value that matches the default
        // value.
        $data['matching_default'] = [
            'the_default_value',
            [
                '#type' => 'select',
                '#options' => [
                    'the_default_value' => 'Option 1',
                ],
            ],
            [
                'foo',
                'bar',
            ],
            [
                'foo' => [
                    'bar' => 'the_default_value',
                ],
            ],
        ];
        // A valid form element with a valid dynamic value that does not match the
        // default value.
        $data['mismatched_value'] = [
            'option1',
            [
                '#type' => 'select',
                '#options' => [
                    'option1' => 'Option 1',
                ],
            ],
            [
                'foo',
                'bar',
            ],
            [
                'foo' => [
                    'bar' => 'option1',
                ],
            ],
            'the_default_value',
        ];
        return $data;
    }

}