Issue #2865344 by mpdonadio, Lendude, mbovan, organicwire, alexpott, jibran,...

Issue #2865344 by mpdonadio, Lendude, mbovan, organicwire, alexpott, jibran, jhedstrom, bobemoe, Berdir, larowlan: Exposed date filters 'empty' and 'not empty' are broken

(cherry picked from commit 8e3bcf48)

core/modules/datetime/tests/src/Functional/Views/FilterDateTest.php

+<?php
+
+namespace Drupal\Tests\datetime\Functional\Views;
+
+use Drupal\Core\Datetime\DrupalDateTime;
+use Drupal\datetime\Plugin\Field\FieldType\DateTimeItem;
+use Drupal\datetime\Plugin\Field\FieldType\DateTimeItemInterface;
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\field\Entity\FieldConfig;
+use Drupal\Tests\BrowserTestBase;
+use Drupal\views\Tests\ViewTestData;
+
+/**
+ * Tests Views filters for datetime fields.
+ *
+ * @group datetime
+ */
+class FilterDateTest extends BrowserTestBase {
+
+  /**
+   * Name of the field.
+   *
+   * Note, this is used in the default test view.
+   *
+   * @var string
+   */
+  protected $fieldName = 'field_date';
+
+  /**
+   * Nodes to test.
+   *
+   * @var \Drupal\node\NodeInterface[]
+   */
+  protected $nodes = [];
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = [
+    'datetime',
+    'datetime_test',
+    'node',
+    'views',
+    'views_ui',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $testViews = ['test_filter_datetime'];
+
+  /**
+   * {@inheritdoc}
+   *
+   * Create nodes with relative dates of yesterday, today, and tomorrow.
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    $now = \Drupal::time()->getRequestTime();
+
+    $admin_user = $this->drupalCreateUser(['administer views']);
+    $this->drupalLogin($admin_user);
+
+    $this->drupalCreateContentType(['type' => 'page', 'name' => 'Basic page']);
+
+    // Add a date field to page nodes.
+    $fieldStorage = FieldStorageConfig::create([
+      'field_name' => $this->fieldName,
+      'entity_type' => 'node',
+      'type' => 'datetime',
+      'settings' => ['datetime_type' => DateTimeItem::DATETIME_TYPE_DATETIME],
+    ]);
+    $fieldStorage->save();
+    $field = FieldConfig::create([
+      'field_storage' => $fieldStorage,
+      'bundle' => 'page',
+      'required' => TRUE,
+    ]);
+    $field->save();
+
+    // Create some nodes.
+    $dates = [
+      // Tomorrow.
+      DrupalDateTime::createFromTimestamp($now + 86400, DateTimeItemInterface::STORAGE_TIMEZONE)->format(DateTimeItemInterface::DATE_STORAGE_FORMAT),
+      // Today.
+      DrupalDateTime::createFromTimestamp($now, DateTimeItemInterface::STORAGE_TIMEZONE)->format(DateTimeItemInterface::DATE_STORAGE_FORMAT),
+      // Yesterday.
+      DrupalDateTime::createFromTimestamp($now - 86400, DateTimeItemInterface::STORAGE_TIMEZONE)->format(DateTimeItemInterface::DATE_STORAGE_FORMAT),
+    ];
+
+    $this->nodes = [];
+    foreach ($dates as $date) {
+      $this->nodes[] = $this->drupalCreateNode([
+        $this->fieldName => [
+          'value' => $date,
+        ],
+      ]);
+    }
+    // Add a node where the date field is empty.
+    $this->nodes[] = $this->drupalCreateNode();
+
+    // Views needs to be aware of the new field.
+    $this->container->get('views.views_data')->clear();
+
+    // Load test views.
+    ViewTestData::createTestViews(get_class($this), ['datetime_test']);
+  }
+
+  /**
+   * Tests exposed grouped filters.
+   */
+  public function testExposedGroupedFilters() {
+    // Expose the empty and not empty operators in a grouped filter.
+    $this->drupalPostForm('admin/structure/views/nojs/handler/test_filter_datetime/default/filter/' . $this->fieldName . '_value', [], t('Expose filter'));
+    $this->drupalPostForm(NULL, [], 'Grouped filters');
+
+    $edit = [];
+    $edit['options[group_info][group_items][1][title]'] = 'empty';
+    $edit['options[group_info][group_items][1][operator]'] = 'empty';
+    $edit['options[group_info][group_items][2][title]'] = 'not empty';
+    $edit['options[group_info][group_items][2][operator]'] = 'not empty';
+
+    $this->drupalPostForm(NULL, $edit, 'Apply');
+
+    // Test that the exposed filter works as expected.
+    $path = 'test_filter_datetime-path';
+    $this->drupalPostForm('admin/structure/views/view/test_filter_datetime/edit', [], 'Add Page');
+    $this->drupalPostForm('admin/structure/views/nojs/display/test_filter_datetime/page_1/path', ['path' => $path], 'Apply');
+    $this->drupalPostForm(NULL, [], t('Save'));
+
+    $this->drupalGet($path);
+
+    // Filter the Preview by 'empty'.
+    $this->getSession()->getPage()->findField($this->fieldName . '_value')->selectOption(1);
+    $this->getSession()->getPage()->pressButton('Apply');
+    $results = $this->cssSelect('.view-content .field-content');
+    $this->assertEquals(1, count($results));
+
+    // Filter the Preview by 'not empty'.
+    $this->getSession()->getPage()->findField($this->fieldName . '_value')->selectOption(2);
+    $this->getSession()->getPage()->pressButton('Apply');
+    $results = $this->cssSelect('.view-content .field-content');
+    $this->assertEquals(3, count($results));
+  }
+
+}

core/modules/datetime/tests/src/Kernel/Views/FilterDateTest.php

@@ -71,6 +71,15 @@ protected function setUp($import_test_views = TRUE) {
       $node->save();
       $this->nodes[] = $node;
     }
+
+    // Add a node where the date field is empty.
+    $node = Node::create([
+      'title' => $this->randomMachineName(8),
+      'type' => 'page',
+      'field_date' => [],
+    ]);
+    $node->save();
+    $this->nodes[] = $node;
   }
 
   /**
@@ -130,6 +139,30 @@ public function testDateOffsets() {
       ];
       $this->assertIdenticalResultset($view, $expected_result, $this->map);
       $view->destroy();
+
+      // Test the empty operator.
+      $view->initHandlers();
+      $view->filter[$field]->operator = 'empty';
+      $view->setDisplay('default');
+      $this->executeView($view);
+      $expected_result = [
+        ['nid' => $this->nodes[3]->id()],
+      ];
+      $this->assertIdenticalResultset($view, $expected_result, $this->map);
+      $view->destroy();
+
+      // Test the not empty operator.
+      $view->initHandlers();
+      $view->filter[$field]->operator = 'not empty';
+      $view->setDisplay('default');
+      $this->executeView($view);
+      $expected_result = [
+        ['nid' => $this->nodes[0]->id()],
+        ['nid' => $this->nodes[1]->id()],
+        ['nid' => $this->nodes[2]->id()],
+      ];
+      $this->assertIdenticalResultset($view, $expected_result, $this->map);
+      $view->destroy();
     }
   }
 

core/modules/views/src/Plugin/views/filter/Date.php

@@ -148,11 +148,15 @@ public function acceptExposedInput($input) {
     }
 
     if ($operators[$operator]['values'] == 1) {
+      // When the operator is either <, <=, =, !=, >=, > or regular_expression
+      // the input contains only one value.
       if ($this->value['value'] == '') {
         return FALSE;
       }
     }
-    else {
+    elseif ($operators[$operator]['values'] == 2) {
+      // When the operator is either between or not between the input contains
+      // two values.
       if ($this->value['min'] == '' || $this->value['max'] == '') {
         return FALSE;
       }