--- /dev/null
+<?php
+
+namespace Drupal\views_ui\Tests;
+
+/**
+ * Tests the user tempstore cache in the UI.
+ *
+ * @group views_ui
+ */
+class CachedDataUITest extends UITestBase {
+
+ /**
+ * Views used by this test.
+ *
+ * @var array
+ */
+ public static $testViews = ['test_view'];
+
+ /**
+ * Tests the user tempstore views data in the UI.
+ */
+ public function testCacheData() {
+ $views_admin_user_uid = $this->fullAdminUser->id();
+
+ $temp_store = $this->container->get('user.shared_tempstore')->get('views');
+ // The view should not be locked.
+ $this->assertEqual($temp_store->getMetadata('test_view'), NULL, 'The view is not locked.');
+
+ $this->drupalGet('admin/structure/views/view/test_view/edit');
+ // Make sure we have 'changes' to the view.
+ $this->drupalPostForm('admin/structure/views/nojs/display/test_view/default/title', [], t('Apply'));
+ $this->assertText('You have unsaved changes.');
+ $this->assertEqual($temp_store->getMetadata('test_view')->owner, $views_admin_user_uid, 'View cache has been saved.');
+
+ $view_cache = $temp_store->get('test_view');
+ // The view should be enabled.
+ $this->assertTrue($view_cache->status(), 'The view is enabled.');
+ // The view should now be locked.
+ $this->assertEqual($temp_store->getMetadata('test_view')->owner, $views_admin_user_uid, 'The view is locked.');
+
+ // Cancel the view edit and make sure the cache is deleted.
+ $this->drupalPostForm(NULL, [], t('Cancel'));
+ $this->assertEqual($temp_store->getMetadata('test_view'), NULL, 'User tempstore data has been removed.');
+ // Test we are redirected to the view listing page.
+ $this->assertUrl('admin/structure/views', [], 'Redirected back to the view listing page.');
+
+ // Log in with another user and make sure the view is locked and break.
+ $this->drupalPostForm('admin/structure/views/nojs/display/test_view/default/title', [], t('Apply'));
+ $this->drupalLogin($this->adminUser);
+
+ $this->drupalGet('admin/structure/views/view/test_view/edit');
+ // Test that save and cancel buttons are not shown.
+ $this->assertNoFieldById('edit-actions-submit', t('Save'));
+ $this->assertNoFieldById('edit-actions-cancel', t('Cancel'));
+ // Test we have the break lock link.
+ $this->assertLinkByHref('admin/structure/views/view/test_view/break-lock');
+ // Break the lock.
+ $this->clickLink(t('break this lock'));
+ $this->drupalPostForm(NULL, [], t('Break lock'));
+ // Test that save and cancel buttons are shown.
+ $this->assertFieldById('edit-actions-submit', t('Save'));
+ $this->assertFieldById('edit-actions-cancel', t('Cancel'));
+ // Test we can save the view.
+ $this->drupalPostForm('admin/structure/views/view/test_view/edit', [], t('Save'));
+ $this->assertRaw(t('The view %view has been saved.', ['%view' => 'Test view']));
+
+ // Test that a deleted view has no tempstore data.
+ $this->drupalPostForm('admin/structure/views/nojs/display/test_view/default/title', [], t('Apply'));
+ $this->drupalPostForm('admin/structure/views/view/test_view/delete', [], t('Delete'));
+ // No view tempstore data should be returned for this view after deletion.
+ $this->assertEqual($temp_store->getMetadata('test_view'), NULL, 'View tempstore data has been removed after deletion.');
+ }
+
+}