--- /dev/null
+<?php
+
+namespace Drupal\Tests\views\Functional\Entity;
+
+use Drupal\node\Entity\Node;
+use Drupal\Tests\views\Functional\ViewTestBase;
+use Drupal\views\ViewExecutable;
+use Drupal\views\Views;
+
+/**
+ * Tests the 'Latest revision' filter.
+ *
+ * @group views
+ */
+class LatestRevisionFilterTest extends ViewTestBase {
+
+ /**
+ * An array of node revisions.
+ *
+ * @var \Drupal\node\NodeInterface[]
+ */
+ protected $allRevisions = [];
+
+ /**
+ * An array of node revisions.
+ *
+ * @var \Drupal\node\NodeInterface[]
+ */
+ protected $latestRevisions = [];
+
+ /**
+ * Views used by this test.
+ *
+ * @var array
+ */
+ public static $testViews = ['test_latest_revision_filter'];
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['node'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp($import_test_views = TRUE) {
+ parent::setUp();
+
+ $this->drupalCreateContentType(['type' => 'article']);
+
+ // Create a node that goes through various default/pending revision stages.
+ $node = Node::create([
+ 'title' => 'First node - v1 - default',
+ 'type' => 'article',
+ ]);
+ $node->save();
+ $this->allRevisions[$node->getRevisionId()] = $node;
+
+ $node->setTitle('First node - v2 - pending');
+ $node->setNewRevision(TRUE);
+ $node->isDefaultRevision(FALSE);
+ $node->save();
+ $this->allRevisions[$node->getRevisionId()] = $node;
+
+ $node->setTitle('First node - v3 - default');
+ $node->setNewRevision(TRUE);
+ $node->isDefaultRevision(TRUE);
+ $node->save();
+ $this->allRevisions[$node->getRevisionId()] = $node;
+
+ $node->setTitle('First node - v4 - pending');
+ $node->setNewRevision(TRUE);
+ $node->isDefaultRevision(TRUE);
+ $node->save();
+ $this->allRevisions[$node->getRevisionId()] = $node;
+ $this->latestRevisions[$node->getRevisionId()] = $node;
+
+ // Create a node that has a default and a pending revision.
+ $node = Node::create([
+ 'title' => 'Second node - v1 - default',
+ 'type' => 'article',
+ ]);
+ $node->save();
+ $this->allRevisions[$node->getRevisionId()] = $node;
+
+ $node->setTitle('Second node - v2 - pending');
+ $node->setNewRevision(TRUE);
+ $node->isDefaultRevision(FALSE);
+ $node->save();
+ $this->allRevisions[$node->getRevisionId()] = $node;
+ $this->latestRevisions[$node->getRevisionId()] = $node;
+
+ // Create a node that only has a default revision.
+ $node = Node::create([
+ 'title' => 'Third node - v1 - default',
+ 'type' => 'article',
+ ]);
+ $node->save();
+ $this->allRevisions[$node->getRevisionId()] = $node;
+ $this->latestRevisions[$node->getRevisionId()] = $node;
+
+ // Create a node that only has a pending revision.
+ $node = Node::create([
+ 'title' => 'Fourth node - v1 - pending',
+ 'type' => 'article',
+ ]);
+ $node->isDefaultRevision(FALSE);
+ $node->save();
+ $this->allRevisions[$node->getRevisionId()] = $node;
+ $this->latestRevisions[$node->getRevisionId()] = $node;
+ }
+
+ /**
+ * Tests the 'Latest revision' filter.
+ */
+ public function testLatestRevisionFilter() {
+ $view = Views::getView('test_latest_revision_filter');
+
+ $this->executeView($view);
+
+ // Check that we have all the results.
+ $this->assertCount(count($this->latestRevisions), $view->result);
+
+ $expected = $not_expected = [];
+ foreach ($this->allRevisions as $revision_id => $revision) {
+ if (isset($this->latestRevisions[$revision_id])) {
+ $expected[] = [
+ 'vid' => $revision_id,
+ 'title' => $revision->label(),
+ ];
+ }
+ else {
+ $not_expected[] = $revision_id;
+ }
+ }
+ $this->assertIdenticalResultset($view, $expected, ['vid' => 'vid', 'title' => 'title'], 'The test view only shows the latest revisions.');
+ $this->assertNotInResultSet($view, $not_expected, 'Non-latest revisions are not shown by the view.');
+ $view->destroy();
+ }
+
+ /**
+ * Verifies that a list of revision IDs are not in the result.
+ *
+ * @param \Drupal\views\ViewExecutable $view
+ * An executed View.
+ * @param array $not_expected_revision_ids
+ * An array of revision IDs which should not be part of the result set.
+ * @param string $message
+ * (optional) A custom message to display with the assertion.
+ */
+ protected function assertNotInResultSet(ViewExecutable $view, array $not_expected_revision_ids, $message = '') {
+ $found_revision_ids = array_filter($view->result, function ($row) use ($not_expected_revision_ids) {
+ return in_array($row->vid, $not_expected_revision_ids);
+ });
+ $this->assertFalse($found_revision_ids, $message);
+ }
+
+}