--- /dev/null
+<?php
+
+namespace Drupal\Tests\datetime_range\Kernel\Views;
+
+use Drupal\datetime_range\Plugin\Field\FieldType\DateRangeItem;
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\node\Entity\Node;
+use Drupal\Tests\datetime\Kernel\Views\DateTimeHandlerTestBase;
+use Drupal\views\Views;
+
+/**
+ * Tests date-only fields.
+ *
+ * @group datetime
+ */
+class FilterDateTest extends DateTimeHandlerTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['datetime_test', 'node', 'datetime_range', 'field'];
+
+ /**
+ * Type of the field.
+ *
+ * @var string
+ */
+ protected static $field_type = 'daterange';
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $testViews = ['test_filter_datetime'];
+
+ /**
+ * For offset tests, set to the current time.
+ */
+ protected static $date;
+
+ /**
+ * {@inheritdoc}
+ *
+ * Create nodes with relative date range of:
+ * yesterday - today, today - today, and today - tomorrow.
+ */
+ protected function setUp($import_test_views = TRUE) {
+ parent::setUp($import_test_views);
+
+ // Set to 'today'.
+ static::$date = $this->getUTCEquivalentOfUserNowAsTimestamp();
+
+ // Change field storage to date-only.
+ $storage = FieldStorageConfig::load('node.' . static::$field_name);
+ $storage->setSetting('datetime_type', DateRangeItem::DATETIME_TYPE_DATE);
+ $storage->save();
+
+ // Retrieve tomorrow, today and yesterday dates.
+ $dates = $this->getRelativeDateValuesFromTimestamp(static::$date);
+
+ // Node 0: Yesterday - Today.
+ $node = Node::create([
+ 'title' => $this->randomMachineName(8),
+ 'type' => 'page',
+ 'field_date' => [
+ 'value' => $dates[2],
+ 'end_value' => $dates[1],
+ ],
+ ]);
+ $node->save();
+ $this->nodes[] = $node;
+
+ // Node 1: Today - Today.
+ $node = Node::create([
+ 'title' => $this->randomMachineName(8),
+ 'type' => 'page',
+ 'field_date' => [
+ 'value' => $dates[1],
+ 'end_value' => $dates[1],
+ ],
+ ]);
+ $node->save();
+ $this->nodes[] = $node;
+
+ // Node 2: Today - Tomorrow.
+ $node = Node::create([
+ 'title' => $this->randomMachineName(8),
+ 'type' => 'page',
+ 'field_date' => [
+ 'value' => $dates[1],
+ 'end_value' => $dates[0],
+ ],
+ ]);
+ $node->save();
+ $this->nodes[] = $node;
+
+ // Add end date filter to the test_filter_datetime view.
+ /** @var \Drupal\views\Entity\View $view */
+ $view = \Drupal::entityTypeManager()->getStorage('view')->load('test_filter_datetime');
+ $field_end = static::$field_name . '_end_value';
+ $display = $view->getDisplay('default');
+ $filter_end_date = $display['display_options']['filters'][static::$field_name . '_value'];
+ $filter_end_date['id'] = $field_end;
+ $filter_end_date['field'] = $field_end;
+
+ $view->getDisplay('default')['display_options']['filters'][$field_end] = $filter_end_date;
+ $view->save();
+ }
+
+ /**
+ * Test offsets with date-only fields.
+ */
+ public function testDateOffsets() {
+ $view = Views::getView('test_filter_datetime');
+ $field_start = static::$field_name . '_value';
+ $field_end = static::$field_name . '_end_value';
+
+ // Test simple operations.
+ $view->initHandlers();
+
+ // Search nodes with:
+ // - start date greater than or equal to 'yesterday'.
+ // - end date lower than or equal to 'today'.
+ // Expected results: nodes 0 and 1.
+ $view->filter[$field_start]->operator = '>=';
+ $view->filter[$field_start]->value['type'] = 'offset';
+ $view->filter[$field_start]->value['value'] = '-1 day';
+ $view->filter[$field_end]->operator = '<=';
+ $view->filter[$field_end]->value['type'] = 'offset';
+ $view->filter[$field_end]->value['value'] = 'now';
+ $view->setDisplay('default');
+ $this->executeView($view);
+ $expected_result = [
+ ['nid' => $this->nodes[0]->id()],
+ ['nid' => $this->nodes[1]->id()],
+ ];
+ $this->assertIdenticalResultset($view, $expected_result, $this->map);
+ $view->destroy();
+
+ // Search nodes with:
+ // - start date greater than or equal to 'yesterday'.
+ // - end date greater than 'today'.
+ // Expected results: node 2.
+ $view->initHandlers();
+ $view->filter[$field_start]->operator = '>=';
+ $view->filter[$field_start]->value['type'] = 'offset';
+ $view->filter[$field_start]->value['value'] = '-1 day';
+ $view->filter[$field_end]->operator = '>';
+ $view->filter[$field_end]->value['type'] = 'offset';
+ $view->filter[$field_end]->value['value'] = 'now';
+ $view->setDisplay('default');
+ $this->executeView($view);
+ $expected_result = [
+ ['nid' => $this->nodes[2]->id()],
+ ];
+ $this->assertIdenticalResultset($view, $expected_result, $this->map);
+ }
+
+}