--- /dev/null
+<?php
+
+namespace Drupal\Tests\views\Functional\Plugin;
+
+use Drupal\Component\Utility\Unicode;
+use Drupal\Core\Field\FieldStorageDefinitionInterface;
+use Drupal\field\Tests\EntityReference\EntityReferenceTestTrait;
+use Drupal\taxonomy\Entity\Term;
+use Drupal\taxonomy\Entity\Vocabulary;
+use Drupal\Tests\views\Functional\ViewTestBase;
+use Drupal\views\Tests\ViewTestData;
+use Drupal\views\Views;
+
+/**
+ * Tests exposed forms functionality.
+ *
+ * @group views
+ */
+class ExposedFormCheckboxesTest extends ViewTestBase {
+
+ use EntityReferenceTestTrait;
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $testViews = ['test_exposed_form_checkboxes'];
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['node', 'views_ui', 'taxonomy'];
+
+ /**
+ * Test terms.
+ *
+ * @var array
+ */
+ public $terms = [];
+
+ /**
+ * Vocabulary for testing checkbox options.
+ *
+ * @var \Drupal\taxonomy\Entity\Vocabulary
+ */
+ public $vocabulary;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp($import_test_views = TRUE) {
+ parent::setUp(FALSE);
+
+ // Create a vocabulary and entity reference field so we can test the "is all
+ // of" filter operator. Must be done ahead of the view import so the
+ // vocabulary is in place to meet the view dependencies.
+ $vocabulary = Vocabulary::create([
+ 'name' => 'test_exposed_checkboxes',
+ 'vid' => 'test_exposed_checkboxes',
+ 'nodes' => ['article' => 'article'],
+ ]);
+ $vocabulary->save();
+ $this->vocabulary = $vocabulary;
+
+ ViewTestData::createTestViews(self::class, ['views_test_config']);
+ $this->enableViewsTestModule();
+
+ // Create two content types.
+ $this->drupalCreateContentType(['type' => 'article']);
+ $this->drupalCreateContentType(['type' => 'page']);
+
+ // Create some random nodes: 5 articles, one page.
+ for ($i = 0; $i < 5; $i++) {
+ $this->drupalCreateNode(['type' => 'article']);
+ }
+ $this->drupalCreateNode(['type' => 'page']);
+ }
+
+ /**
+ * Tests overriding the default render option with checkboxes.
+ */
+ public function testExposedFormRenderCheckboxes() {
+ // Use a test theme to convert multi-select elements into checkboxes.
+ \Drupal::service('theme_handler')->install(['views_test_checkboxes_theme']);
+ $this->config('system.theme')
+ ->set('default', 'views_test_checkboxes_theme')
+ ->save();
+
+ // Only display 5 items per page so we can test that paging works.
+ $view = Views::getView('test_exposed_form_checkboxes');
+ $display = &$view->storage->getDisplay('default');
+ $display['display_options']['pager']['options']['items_per_page'] = 5;
+
+ $view->save();
+ $this->drupalGet('test_exposed_form_checkboxes');
+
+ $actual = $this->xpath('//form//input[@type="checkbox" and @name="type[article]"]');
+ $this->assertEqual(count($actual), 1, 'Article option renders as a checkbox.');
+ $actual = $this->xpath('//form//input[@type="checkbox" and @name="type[page]"]');
+ $this->assertEqual(count($actual), 1, 'Page option renders as a checkbox');
+
+ // Ensure that all results are displayed.
+ $rows = $this->xpath("//div[contains(@class, 'views-row')]");
+ $this->assertEqual(count($rows), 5, '5 rows are displayed by default on the first page when no options are checked.');
+
+ $this->clickLink('Page 2');
+ $rows = $this->xpath("//div[contains(@class, 'views-row')]");
+ $this->assertEqual(count($rows), 1, '1 row is displayed by default on the second page when no options are checked.');
+ $this->assertNoText('An illegal choice has been detected. Please contact the site administrator.');
+ }
+
+ /**
+ * Tests that "is all of" filters work with checkboxes.
+ */
+ public function testExposedIsAllOfFilter() {
+ foreach (['Term 1', 'Term 2', 'Term 3'] as $term_name) {
+ // Add a few terms to the new vocabulary.
+ $term = Term::create([
+ 'name' => $term_name,
+ 'vid' => $this->vocabulary->id(),
+ ]);
+ $term->save();
+ $this->terms[] = $term;
+ }
+
+ // Create a field.
+ $field_name = Unicode::strtolower($this->randomMachineName());
+ $handler_settings = [
+ 'target_bundles' => [
+ $this->vocabulary->id() => $this->vocabulary->id(),
+ ],
+ 'auto_create' => FALSE,
+ ];
+ $this->createEntityReferenceField('node', 'article', $field_name, NULL, 'taxonomy_term', 'default', $handler_settings, FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
+
+ // Add some test nodes.
+ $this->createNode([
+ 'type' => 'article',
+ $field_name => [$this->terms[0]->id(), $this->terms[1]->id()],
+ ]);
+ $this->createNode([
+ 'type' => 'article',
+ $field_name => [$this->terms[0]->id(), $this->terms[2]->id()],
+ ]);
+
+ // Use a test theme to convert multi-select elements into checkboxes.
+ \Drupal::service('theme_handler')->install(['views_test_checkboxes_theme']);
+ $this->config('system.theme')
+ ->set('default', 'views_test_checkboxes_theme')
+ ->save();
+
+ $this->drupalGet('test_exposed_form_checkboxes');
+
+ // Ensure that all results are displayed.
+ $rows = $this->xpath("//div[contains(@class, 'views-row')]");
+ $this->assertEqual(count($rows), 8, 'All rows are displayed by default on the first page when no options are checked.');
+ $this->assertNoText('An illegal choice has been detected. Please contact the site administrator.');
+
+ // Select one option and ensure we still have results.
+ $tid = $this->terms[0]->id();
+ $this->drupalPostForm(NULL, ["tid[$tid]" => $tid], t('Apply'));
+
+ // Ensure only nodes tagged with $tid are displayed.
+ $rows = $this->xpath("//div[contains(@class, 'views-row')]");
+ $this->assertEqual(count($rows), 2, 'Correct rows are displayed when a tid is selected.');
+ $this->assertNoText('An illegal choice has been detected. Please contact the site administrator.');
+ }
+
+}