ExposedFormTest.php

<?php

/**
 * @file
 * Contains \Drupal\views\Tests\Plugin\ExposedFormTest.
 */
namespace Drupal\views\Tests\Plugin;

use Drupal\views\Tests\ViewTestBase;

/**
 * Tests exposed forms.
 */
class ExposedFormTest extends ViewTestBase {

  /**
   * Views used by this test.
   *
   * @var array
   */
  public static $testViews = array(
    'test_reset_button',
  );

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = array(
    'views_ui',
  );
  public static function getInfo() {
    return array(
      'name' => 'Exposed forms',
      'description' => 'Test exposed forms functionality.',
      'group' => 'Views Plugins',
    );
  }
  protected function setUp() {
    parent::setUp();
    $this
      ->drupalCreateContentType(array(
      'type' => 'article',
    ));

    // Create some random nodes.
    for ($i = 0; $i < 5; $i++) {
      $this
        ->drupalCreateNode();
    }
  }

  /**
   * Tests whether the reset button works on an exposed form.
   */
  public function testResetButton() {

    // Test the button is hidden when there is no exposed input.
    $this
      ->drupalGet('test_reset_button');
    $this
      ->assertNoField('edit-reset');
    $this
      ->drupalGet('test_reset_button', array(
      'query' => array(
        'type' => 'article',
      ),
    ));

    // Test that the type has been set.
    $this
      ->assertFieldById('edit-type', 'article', 'Article type filter set.');

    // Test the reset works.
    $this
      ->drupalGet('test_reset_button', array(
      'query' => array(
        'op' => 'Reset',
      ),
    ));
    $this
      ->assertResponse(200);

    // Test the type has been reset.
    $this
      ->assertFieldById('edit-type', 'All', 'Article type filter has been reset.');

    // Test the button is hidden after reset.
    $this
      ->assertNoField('edit-reset');
  }

  /**
   * Tests, whether and how the reset button can be renamed.
   */
  public function testRenameResetButton() {

    // Rename the label of the reset button.
    $view = views_get_view('test_reset_button');
    $view
      ->setDisplay();
    $exposed_form = $view->display_handler
      ->getOption('exposed_form');
    $exposed_form['options']['reset_button_label'] = $expected_label = $this
      ->randomName();
    $exposed_form['options']['reset_button'] = TRUE;
    $view->display_handler
      ->setOption('exposed_form', $exposed_form);
    $view
      ->save();
    views_invalidate_cache();

    // Look whether the reset button label changed.
    $this
      ->drupalGet('test_reset_button', array(
      'query' => array(
        'type' => 'article',
      ),
    ));
    $this
      ->assertResponse(200);
    $this
      ->helperButtonHasLabel('edit-reset', $expected_label);
  }

  /**
   * Tests the exposed form markup.
   */
  public function testExposedFormRender() {
    $view = views_get_view('test_reset_button');
    $this
      ->executeView($view);
    $exposed_form = $view->display_handler
      ->getPlugin('exposed_form');
    $output = $exposed_form
      ->renderExposedForm();
    $this
      ->drupalSetContent(drupal_render($output));
    $expected_id = drupal_clean_css_identifier('views-exposed-form-' . $view->storage
      ->id() . '-' . $view->current_display);
    $this
      ->assertFieldByXpath('//form/@id', $expected_id, 'Expected form ID found.');
    $expected_action = url($view->display_handler
      ->getUrl());
    $this
      ->assertFieldByXPath('//form/@action', $expected_action, 'The expected value for the action attribute was found.');
  }

}