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diff --git a/web/core/modules/workspaces/tests/src/Kernel/WorkspaceCRUDTest.php b/web/core/modules/workspaces/tests/src/Kernel/WorkspaceCRUDTest.php
new file mode 100644
index 000000000..0d878ac08
--- /dev/null
+++ b/web/core/modules/workspaces/tests/src/Kernel/WorkspaceCRUDTest.php
@@ -0,0 +1,191 @@
+<?php
+
+namespace Drupal\Tests\workspaces\Kernel;
+
+use Drupal\KernelTests\KernelTestBase;
+use Drupal\Tests\node\Traits\ContentTypeCreationTrait;
+use Drupal\Tests\node\Traits\NodeCreationTrait;
+use Drupal\Tests\user\Traits\UserCreationTrait;
+use Drupal\workspaces\Entity\Workspace;
+
+/**
+ * Tests CRUD operations for workspaces.
+ *
+ * @group workspaces
+ */
+class WorkspaceCRUDTest extends KernelTestBase {
+
+  use UserCreationTrait;
+  use NodeCreationTrait;
+  use ContentTypeCreationTrait;
+
+  /**
+   * The entity type manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
+   * The state service.
+   *
+   * @var \Drupal\Core\State\StateInterface
+   */
+  protected $state;
+
+  /**
+   * The workspace replication manager.
+   *
+   * @var \Drupal\workspaces\WorkspaceManagerInterface
+   */
+  protected $workspaceManager;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = [
+    'user',
+    'system',
+    'workspaces',
+    'field',
+    'filter',
+    'node',
+    'text',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    $this->installSchema('system', ['key_value_expire', 'sequences']);
+    $this->installSchema('node', ['node_access']);
+
+    $this->installEntitySchema('workspace');
+    $this->installEntitySchema('workspace_association');
+    $this->installEntitySchema('node');
+    $this->installEntitySchema('user');
+
+    $this->installConfig(['filter', 'node', 'system']);
+
+    $this->createContentType(['type' => 'page']);
+
+    $this->entityTypeManager = \Drupal::entityTypeManager();
+    $this->state = \Drupal::state();
+    $this->workspaceManager = \Drupal::service('workspaces.manager');
+  }
+
+  /**
+   * Tests the deletion of workspaces.
+   */
+  public function testDeletingWorkspaces() {
+    $admin = $this->createUser([
+      'administer nodes',
+      'create workspace',
+      'view any workspace',
+      'edit any workspace',
+      'delete any workspace',
+    ]);
+    $this->setCurrentUser($admin);
+
+    /** @var \Drupal\workspaces\WorkspaceAssociationStorageInterface $workspace_association_storage */
+    $workspace_association_storage = $this->entityTypeManager->getStorage('workspace_association');
+    /** @var \Drupal\node\NodeStorageInterface $node_storage */
+    $node_storage = $this->entityTypeManager->getStorage('node');
+
+    // Create a workspace with a very small number of associated node revisions.
+    $workspace_1 = Workspace::create([
+      'id' => 'gibbon',
+      'label' => 'Gibbon',
+    ]);
+    $workspace_1->save();
+    $this->workspaceManager->setActiveWorkspace($workspace_1);
+
+    $workspace_1_node_1 = $this->createNode(['status' => FALSE]);
+    $workspace_1_node_2 = $this->createNode(['status' => FALSE]);
+    for ($i = 0; $i < 4; $i++) {
+      $workspace_1_node_1->setNewRevision(TRUE);
+      $workspace_1_node_1->save();
+
+      $workspace_1_node_2->setNewRevision(TRUE);
+      $workspace_1_node_2->save();
+    }
+
+    // The workspace should have 10 associated node revisions, 5 for each node.
+    $associated_revisions = $workspace_association_storage->getTrackedEntities($workspace_1->id(), TRUE);
+    $this->assertCount(10, $associated_revisions['node']);
+
+    // Check that we are allowed to delete the workspace.
+    $this->assertTrue($workspace_1->access('delete', $admin));
+
+    // Delete the workspace and check that all the workspace_association
+    // entities and all the node revisions have been deleted as well.
+    $workspace_1->delete();
+
+    $associated_revisions = $workspace_association_storage->getTrackedEntities($workspace_1->id(), TRUE);
+    $this->assertCount(0, $associated_revisions);
+    $node_revision_count = $node_storage
+      ->getQuery()
+      ->allRevisions()
+      ->count()
+      ->execute();
+    $this->assertEquals(0, $node_revision_count);
+
+    // Create another workspace, this time with a larger number of associated
+    // node revisions so we can test the batch purge process.
+    $workspace_2 = Workspace::create([
+      'id' => 'baboon',
+      'label' => 'Baboon',
+    ]);
+    $workspace_2->save();
+    $this->workspaceManager->setActiveWorkspace($workspace_2);
+
+    $workspace_2_node_1 = $this->createNode(['status' => FALSE]);
+    for ($i = 0; $i < 59; $i++) {
+      $workspace_2_node_1->setNewRevision(TRUE);
+      $workspace_2_node_1->save();
+    }
+
+    // The workspace should have 60 associated node revisions.
+    $associated_revisions = $workspace_association_storage->getTrackedEntities($workspace_2->id(), TRUE);
+    $this->assertCount(60, $associated_revisions['node']);
+
+    // Delete the workspace and check that we still have 10 revision left to
+    // delete.
+    $workspace_2->delete();
+
+    $associated_revisions = $workspace_association_storage->getTrackedEntities($workspace_2->id(), TRUE);
+    $this->assertCount(10, $associated_revisions['node']);
+
+    $workspace_deleted = \Drupal::state()->get('workspace.deleted');
+    $this->assertCount(1, $workspace_deleted);
+
+    // Check that we can not create another workspace with the same ID while its
+    // data purging is not finished.
+    $workspace_3 = Workspace::create([
+      'id' => 'baboon',
+      'label' => 'Baboon',
+    ]);
+    $violations = $workspace_3->validate();
+    $this->assertCount(1, $violations);
+    $this->assertEquals('A workspace with this ID has been deleted but data still exists for it.', $violations[0]->getMessage());
+
+    // Running cron should delete the remaining data as well as the workspace ID
+    // from the "workspace.delete" state entry.
+    \Drupal::service('cron')->run();
+
+    $associated_revisions = $workspace_association_storage->getTrackedEntities($workspace_2->id(), TRUE);
+    $this->assertCount(0, $associated_revisions);
+    $node_revision_count = $node_storage
+      ->getQuery()
+      ->allRevisions()
+      ->count()
+      ->execute();
+    $this->assertEquals(0, $node_revision_count);
+
+    $workspace_deleted = \Drupal::state()->get('workspace.deleted');
+    $this->assertCount(0, $workspace_deleted);
+  }
+
+}