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1 <?php
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2
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3 namespace Drupal\FunctionalJavascriptTests\Ajax;
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4
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5 use Drupal\FunctionalJavascriptTests\WebDriverTestBase;
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6
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7 /**
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8 * Tests that form values are properly delivered to AJAX callbacks.
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9 *
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10 * @group Ajax
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11 */
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12 class FormValuesTest extends WebDriverTestBase {
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13
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14 /**
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15 * {@inheritdoc}
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16 */
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17 public static $modules = ['node', 'ajax_test', 'ajax_forms_test'];
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18
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19 /**
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20 * {@inheritdoc}
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21 */
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22 protected function setUp() {
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23 parent::setUp();
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24
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25 $this->drupalLogin($this->drupalCreateUser(['access content']));
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26 }
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27
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28 /**
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29 * Submits forms with select and checkbox elements via Ajax.
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30 */
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31 public function testSimpleAjaxFormValue() {
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32
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33 $this->drupalGet('ajax_forms_test_get_form');
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34
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35 $session = $this->getSession();
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36 $assertSession = $this->assertSession();
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37
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38 // Verify form values of a select element.
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39 foreach (['green', 'blue', 'red'] as $item) {
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40 // Updating the field will trigger a AJAX request/response.
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41 $session->getPage()->selectFieldOption('select', $item);
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42
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43 // The AJAX command in the response will update the DOM
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44 $select = $assertSession->waitForElement('css', "div#ajax_selected_color:contains('$item')");
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45 $this->assertNotNull($select, "DataCommand has updated the page with a value of $item.");
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46 }
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47
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48 // Verify form values of a checkbox element.
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49 $session->getPage()->checkField('checkbox');
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50 $div0 = $this->assertSession()->waitForElement('css', "div#ajax_checkbox_value:contains('checked')");
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51 $this->assertNotNull($div0, 'DataCommand updates the DOM as expected when a checkbox is selected');
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52
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53 $session->getPage()->uncheckField('checkbox');
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54 $div1 = $this->assertSession()->waitForElement('css', "div#ajax_checkbox_value:contains('unchecked')");
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55 $this->assertNotNull($div1, 'DataCommand updates the DOM as expected when a checkbox is de-selected');
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56
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57 // Verify that AJAX elements with invalid callbacks return error code 500.
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58 // Ensure the test error log is empty before these tests.
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59 $this->assertFalse(file_exists(DRUPAL_ROOT . '/' . $this->siteDirectory . '/error.log'), 'PHP error.log is empty.');
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60 // We don't need to check for the X-Drupal-Ajax-Token header with these
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61 // invalid requests.
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62 $this->assertAjaxHeader = FALSE;
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63 foreach (['null', 'empty', 'nonexistent'] as $key) {
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64 $element_name = 'select_' . $key . '_callback';
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65 // Updating the field will trigger a AJAX request/response.
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66 $session->getPage()->selectFieldOption($element_name, 'green');
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67
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68 // The select element is disabled as the AJAX request is issued.
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69 $this->assertSession()->waitForElement('css', "select[name=\"$element_name\"]:disabled");
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70
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71 // The select element is enabled as the response is receieved.
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72 $this->assertSession()->waitForElement('css', "select[name=\"$element_name\"]:enabled");
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73 $this->assertTrue(file_exists(DRUPAL_ROOT . '/' . $this->siteDirectory . '/error.log'), 'PHP error.log is not empty.');
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74 $this->assertContains('"The specified #ajax callback is empty or not callable."', file_get_contents(DRUPAL_ROOT . '/' . $this->siteDirectory . '/error.log'));
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75 // The exceptions are expected. Do not interpret them as a test failure.
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76 // Not using File API; a potential error must trigger a PHP warning.
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77 unlink(\Drupal::root() . '/' . $this->siteDirectory . '/error.log');
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78 }
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79 // We need to reload the page to kill any unfinished AJAX calls before
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80 // tearDown() is called.
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81 $this->drupalGet('ajax_forms_test_get_form');
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82 }
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83
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84 }
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