--- /dev/null
+<?php
+
+namespace Drupal\Tests\field\Functional\Views;
+
+use Drupal\field\Entity\FieldConfig;
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\views\Views;
+
+/**
+ * Tests the UI of the field field handler.
+ *
+ * @group field
+ * @see \Drupal\field\Plugin\views\field\Field
+ */
+class FieldUITest extends FieldTestBase {
+
+ /**
+ * Views used by this test.
+ *
+ * @var array
+ */
+ public static $testViews = ['test_view_fieldapi'];
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['views_ui'];
+
+ /**
+ * A user with the 'administer views' permission.
+ *
+ * @var \Drupal\user\UserInterface
+ */
+ protected $account;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp($import_test_views = TRUE) {
+ parent::setUp($import_test_views);
+
+ $this->account = $this->drupalCreateUser(['administer views']);
+ $this->drupalLogin($this->account);
+
+ $this->setUpFieldStorages(1, 'text');
+ $this->setUpFields();
+ }
+
+ /**
+ * Tests basic field handler settings in the UI.
+ */
+ public function testHandlerUI() {
+ $url = "admin/structure/views/nojs/handler/test_view_fieldapi/default/field/field_name_0";
+ $this->drupalGet($url);
+
+ // Tests the available formatter options.
+ $result = $this->xpath('//select[@id=:id]/option', [':id' => 'edit-options-type']);
+ $options = array_map(function ($item) {
+ return $item->getAttribute('value');
+ }, $result);
+ // @todo Replace this sort by assertArray once it's in.
+ sort($options, SORT_STRING);
+ $this->assertEqual($options, ['text_default', 'text_trimmed'], 'The text formatters for a simple text field appear as expected.');
+
+ $this->drupalPostForm(NULL, ['options[type]' => 'text_trimmed'], t('Apply'));
+
+ $this->drupalGet($url);
+ $this->assertOptionSelected('edit-options-type', 'text_trimmed');
+
+ $random_number = rand(100, 400);
+ $this->drupalPostForm(NULL, ['options[settings][trim_length]' => $random_number], t('Apply'));
+ $this->drupalGet($url);
+ $this->assertFieldByName('options[settings][trim_length]', $random_number, 'The formatter setting got saved.');
+
+ // Save the view and test whether the settings are saved.
+ $this->drupalPostForm('admin/structure/views/view/test_view_fieldapi', [], t('Save'));
+ $view = Views::getView('test_view_fieldapi');
+ $view->initHandlers();
+ $this->assertEqual($view->field['field_name_0']->options['type'], 'text_trimmed');
+ $this->assertEqual($view->field['field_name_0']->options['settings']['trim_length'], $random_number);
+
+ // Now change the formatter back to 'default' which doesn't have any
+ // settings. We want to ensure that the settings are empty then.
+ $edit['options[type]'] = 'text_default';
+ $this->drupalPostForm('admin/structure/views/nojs/handler/test_view_fieldapi/default/field/field_name_0', $edit, t('Apply'));
+ $this->drupalPostForm('admin/structure/views/view/test_view_fieldapi', [], t('Save'));
+ $view = Views::getView('test_view_fieldapi');
+ $view->initHandlers();
+ $this->assertEqual($view->field['field_name_0']->options['type'], 'text_default');
+ $this->assertEqual($view->field['field_name_0']->options['settings'], []);
+
+ // Ensure that the view depends on the field storage.
+ $dependencies = \Drupal::service('config.manager')->findConfigEntityDependents('config', [$this->fieldStorages[0]->getConfigDependencyName()]);
+ $this->assertTrue(isset($dependencies['views.view.test_view_fieldapi']), 'The view is dependent on the field storage.');
+ }
+
+ /**
+ * Tests the basic field handler form when aggregation is enabled.
+ */
+ public function testHandlerUIAggregation() {
+ // Enable aggregation.
+ $edit = ['group_by' => '1'];
+ $this->drupalPostForm('admin/structure/views/nojs/display/test_view_fieldapi/default/group_by', $edit, t('Apply'));
+
+ $url = "admin/structure/views/nojs/handler/test_view_fieldapi/default/field/field_name_0";
+ $this->drupalGet($url);
+ $this->assertResponse(200);
+
+ // Test the click sort column options.
+ // Tests the available formatter options.
+ $result = $this->xpath('//select[@id=:id]/option', [':id' => 'edit-options-click-sort-column']);
+ $options = array_map(function ($item) {
+ return (string) $item->getAttribute('value');
+ }, $result);
+ sort($options, SORT_STRING);
+
+ $this->assertEqual($options, ['format', 'value'], 'The expected sort field options were found.');
+ }
+
+ /**
+ * Tests adding a boolean field filter handler.
+ */
+ public function testBooleanFilterHandler() {
+ // Create a boolean field.
+ $field_name = 'field_boolean';
+ $field_storage = FieldStorageConfig::create([
+ 'field_name' => $field_name,
+ 'entity_type' => 'node',
+ 'type' => 'boolean',
+ ]);
+ $field_storage->save();
+ $field = FieldConfig::create([
+ 'field_storage' => $field_storage,
+ 'bundle' => 'page',
+ ]);
+ $field->save();
+
+ $url = "admin/structure/views/nojs/add-handler/test_view_fieldapi/default/filter";
+ $this->drupalPostForm($url, ['name[node__' . $field_name . '.' . $field_name . '_value]' => TRUE], t('Add and configure @handler', ['@handler' => t('filter criteria')]));
+ $this->assertResponse(200);
+ // Verify that using a boolean field as a filter also results in using the
+ // boolean plugin.
+ $option = $this->xpath('//label[@for="edit-options-value-1"]');
+ $this->assertEqual(t('True'), $option[0]->getText());
+ $option = $this->xpath('//label[@for="edit-options-value-0"]');
+ $this->assertEqual(t('False'), $option[0]->getText());
+
+ // Expose the filter and see if the 'Any' option is added and if we can save
+ // it.
+ $this->drupalPostForm(NULL, [], 'Expose filter');
+ $option = $this->xpath('//label[@for="edit-options-value-all"]');
+ $this->assertEqual(t('- Any -'), $option[0]->getText());
+ $this->drupalPostForm(NULL, ['options[value]' => 'All', 'options[expose][required]' => FALSE], 'Apply');
+ $this->drupalPostForm(NULL, [], 'Save');
+ $this->drupalGet('/admin/structure/views/nojs/handler/test_view_fieldapi/default/filter/field_boolean_value');
+ $this->assertFieldChecked('edit-options-value-all');
+ }
+
+}