class BookMultilingualTest

Same name in other branches
  1. 9 core/modules/book/tests/src/Kernel/BookMultilingualTest.php \Drupal\Tests\book\Kernel\BookMultilingualTest
  2. 11.x core/modules/book/tests/src/Kernel/BookMultilingualTest.php \Drupal\Tests\book\Kernel\BookMultilingualTest

Tests multilingual books.

@group book @group legacy

Hierarchy

Expanded class hierarchy of BookMultilingualTest

File

core/modules/book/tests/src/Kernel/BookMultilingualTest.php, line 29

Namespace

Drupal\Tests\book\Kernel
View source
class BookMultilingualTest extends KernelTestBase {
    use UserCreationTrait;
    
    /**
     * The translation langcode.
     */
    const LANGCODE = 'de';
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system',
        'user',
        'node',
        'field',
        'text',
        'book',
        'language',
        'content_translation',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Create the translation language.
        $this->installConfig([
            'language',
        ]);
        ConfigurableLanguage::createFromLangcode(self::LANGCODE)->save();
        // Set up language negotiation.
        $config = $this->config('language.types');
        $config->set('configurable', [
            LanguageInterface::TYPE_INTERFACE,
            LanguageInterface::TYPE_CONTENT,
        ]);
        // The language being tested should only be available as the content
        // language so subsequent tests catch errors where the interface language
        // is used instead of the content language. For this, the interface
        // language is set to the user language and ::setCurrentLanguage() will
        // set the user language to the language not being tested.
        $config->set('negotiation', [
            LanguageInterface::TYPE_INTERFACE => [
                'enabled' => [
                    LanguageNegotiationUser::METHOD_ID => 0,
                ],
            ],
            LanguageInterface::TYPE_CONTENT => [
                'enabled' => [
                    LanguageNegotiationUrl::METHOD_ID => 0,
                ],
            ],
        ]);
        $config->save();
        $config = $this->config('language.negotiation');
        $config->set('url.source', LanguageNegotiationUrl::CONFIG_DOMAIN);
        $config->set('url.domains', [
            'en' => 'en.book.test.domain',
            self::LANGCODE => self::LANGCODE . '.book.test.domain',
        ]);
        $config->save();
        $this->container
            ->get('kernel')
            ->rebuildContainer();
        $this->installEntitySchema('node');
        $this->installEntitySchema('user');
        $this->installSchema('book', [
            'book',
        ]);
        $this->installSchema('node', [
            'node_access',
        ]);
        $this->installConfig([
            'node',
            'book',
            'field',
        ]);
        $node_type = NodeType::create([
            'type' => $this->randomMachineName(),
            'name' => $this->randomString(),
        ]);
        $node_type->save();
        $this->container
            ->get('content_translation.manager')
            ->setEnabled('node', $node_type->id(), TRUE);
        $book_config = $this->config('book.settings');
        $allowed_types = $book_config->get('allowed_types');
        $allowed_types[] = $node_type->id();
        $book_config->set('allowed_types', $allowed_types)
            ->save();
        // To test every possible combination of root-child / child-child, two
        // trees are needed. The first level below the root needs to have two
        // leaves and similarly a second level is needed with two-two leaves each:
        //
        //        1
        //      /   \
        //     /     \
        //    2       3
        //   / \     / \
        //  /   \   /   \
        // 4     5 6     7
        //
        // These are the actual node IDs, these are enforced as auto increment is
        // not reliable.
        //
        // Similarly, the second tree root is node 8, the first two leaves are
        // 9 and 10, the third level is 11, 12, 13, 14.
        for ($root = 1; $root <= 8; $root += 7) {
            for ($i = 0; $i <= 6; $i++) {
                
                /** @var \Drupal\node\NodeInterface $node */
                $node = Node::create([
                    'title' => $this->randomString(),
                    'type' => $node_type->id(),
                ]);
                $node->addTranslation(self::LANGCODE, [
                    'title' => $this->randomString(),
                ]);
                switch ($i) {
                    case 0:
                        $node->book['bid'] = 'new';
                        $node->book['pid'] = 0;
                        $node->book['depth'] = 1;
                        break;
                    case 1:
                    case 2:
                        $node->book['bid'] = $root;
                        $node->book['pid'] = $root;
                        $node->book['depth'] = 2;
                        break;
                    case 3:
                    case 4:
                        $node->book['bid'] = $root;
                        $node->book['pid'] = $root + 1;
                        $node->book['depth'] = 3;
                        break;
                    case 5:
                    case 6:
                        $node->book['bid'] = $root;
                        $node->book['pid'] = $root + 2;
                        $node->book['depth'] = 3;
                        break;
                }
                // This is necessary to make the table of contents consistent across
                // test runs.
                $node->book['weight'] = $i;
                $node->nid->value = $root + $i;
                $node->enforceIsNew();
                $node->save();
            }
        }
        \Drupal::currentUser()->setAccount($this->createUser([
            'access content',
        ]));
    }
    
    /**
     * Tests various book manager methods return correct translations.
     *
     * @dataProvider langcodesProvider
     */
    public function testMultilingualBookManager(string $langcode) : void {
        $this->setCurrentLanguage($langcode);
        
        /** @var \Drupal\book\BookManagerInterface $bm */
        $bm = $this->container
            ->get('book.manager');
        $books = $bm->getAllBooks();
        $this->assertNotEmpty($books);
        foreach ($books as $book) {
            $bid = (int) $book['bid'];
            $build = $bm->bookTreeOutput($bm->bookTreeAllData($bid));
            $items = $build['#items'];
            $this->assertBookItemIsCorrectlyTranslated($items[$bid], $langcode);
            $this->assertBookItemIsCorrectlyTranslated($items[$bid]['below'][$bid + 1], $langcode);
            $this->assertBookItemIsCorrectlyTranslated($items[$bid]['below'][$bid + 1]['below'][$bid + 3], $langcode);
            $this->assertBookItemIsCorrectlyTranslated($items[$bid]['below'][$bid + 1]['below'][$bid + 4], $langcode);
            $this->assertBookItemIsCorrectlyTranslated($items[$bid]['below'][$bid + 2], $langcode);
            $this->assertBookItemIsCorrectlyTranslated($items[$bid]['below'][$bid + 2]['below'][$bid + 5], $langcode);
            $this->assertBookItemIsCorrectlyTranslated($items[$bid]['below'][$bid + 2]['below'][$bid + 6], $langcode);
            $toc = $bm->getTableOfContents($bid, 4);
            // Root entry does not have an indent.
            $this->assertToCEntryIsCorrectlyTranslated($toc, $langcode, $bid, '');
            // The direct children of the root have one indent.
            $this->assertToCEntryIsCorrectlyTranslated($toc, $langcode, $bid + 1, '--');
            $this->assertToCEntryIsCorrectlyTranslated($toc, $langcode, $bid + 2, '--');
            // Their children have two indents.
            $this->assertToCEntryIsCorrectlyTranslated($toc, $langcode, $bid + 3, '----');
            $this->assertToCEntryIsCorrectlyTranslated($toc, $langcode, $bid + 4, '----');
            $this->assertToCEntryIsCorrectlyTranslated($toc, $langcode, $bid + 5, '----');
            $this->assertToCEntryIsCorrectlyTranslated($toc, $langcode, $bid + 6, '----');
            // $bid might be a string.
            $this->assertSame([
                $bid + 0,
                $bid + 1,
                $bid + 3,
                $bid + 4,
                $bid + 2,
                $bid + 5,
                $bid + 6,
            ], array_keys($toc));
        }
    }
    
    /**
     * Tests various book breadcrumb builder methods return correct translations.
     *
     * @dataProvider langcodesProvider
     */
    public function testMultilingualBookBreadcrumbBuilder(string $langcode) : void {
        $this->setCurrentLanguage($langcode);
        // Test a level 3 node.
        $nid = 7;
        
        /** @var \Drupal\node\NodeInterface $node */
        $node = Node::load($nid);
        $route = new Route('/node/{node}');
        $route_match = new RouteMatch('entity.node.canonical', $route, [
            'node' => $node,
        ], [
            'node' => $nid,
        ]);
        
        /** @var \Drupal\book\BookBreadcrumbBuilder $bbb */
        $bbb = $this->container
            ->get('book.breadcrumb');
        $links = $bbb->build($route_match)
            ->getLinks();
        $link = array_shift($links);
        $rendered_link = (string) Link::fromTextAndUrl($link->getText(), $link->getUrl())
            ->toString();
        $this->assertStringContainsString("http://{$langcode}.book.test.domain/", $rendered_link);
        $link = array_shift($links);
        $this->assertNodeLinkIsCorrectlyTranslated(1, $link->getText(), $link->getUrl(), $langcode);
        $link = array_shift($links);
        $this->assertNodeLinkIsCorrectlyTranslated(3, $link->getText(), $link->getUrl(), $langcode);
        $this->assertEmpty($links);
    }
    
    /**
     * Tests the book export returns correct translations.
     *
     * @dataProvider langcodesProvider
     */
    public function testMultilingualBookExport(string $langcode) : void {
        $this->setCurrentLanguage($langcode);
        
        /** @var \Drupal\book\BookExport $be */
        $be = $this->container
            ->get('book.export');
        
        /** @var \Drupal\book\BookManagerInterface $bm */
        $bm = $this->container
            ->get('book.manager');
        $books = $bm->getAllBooks();
        $this->assertNotEmpty($books);
        foreach ($books as $book) {
            $contents = $be->bookExportHtml(Node::load($book['bid']))['#contents'][0];
            $this->assertSame($contents["#node"]->language()
                ->getId(), $langcode);
            $this->assertSame($contents["#children"][0]["#node"]->language()
                ->getId(), $langcode);
            $this->assertSame($contents["#children"][1]["#node"]->language()
                ->getId(), $langcode);
            $this->assertSame($contents["#children"][0]["#children"][0]["#node"]->language()
                ->getId(), $langcode);
            $this->assertSame($contents["#children"][0]["#children"][1]["#node"]->language()
                ->getId(), $langcode);
            $this->assertSame($contents["#children"][1]["#children"][0]["#node"]->language()
                ->getId(), $langcode);
            $this->assertSame($contents["#children"][1]["#children"][1]["#node"]->language()
                ->getId(), $langcode);
        }
    }
    
    /**
     * Data provider for ::testMultilingualBooks().
     */
    public static function langcodesProvider() {
        return [
            [
                self::LANGCODE,
            ],
            [
                'en',
            ],
        ];
    }
    
    /**
     * Sets the current language.
     *
     * @param string $langcode
     *   The langcode. The content language will be set to this using the
     *   appropriate domain while the user language will be set to something
     *   else so subsequent tests catch errors where the interface language
     *   is used instead of the content language.
     */
    protected function setCurrentLanguage(string $langcode) : void {
        $request = Request::create("http://{$langcode}.book.test.domain/");
        $request->setSession(new Session(new MockArraySessionStorage()));
        \Drupal::requestStack()->push($request);
        $language_manager = $this->container
            ->get('language_manager');
        $language_manager->reset();
        $current_user = \Drupal::currentUser();
        $languages = $language_manager->getLanguages();
        unset($languages[$langcode]);
        $current_user->getAccount()
            ->set('preferred_langcode', reset($languages)->getId());
        $this->assertNotSame($current_user->getPreferredLangcode(), $langcode);
    }
    
    /**
     * Asserts a book item is correctly translated.
     *
     * @param array $item
     *   A book tree item.
     * @param string $langcode
     *   The language code for the requested translation.
     *
     * @internal
     */
    protected function assertBookItemIsCorrectlyTranslated(array $item, string $langcode) : void {
        $this->assertNodeLinkIsCorrectlyTranslated((int) $item['original_link']['nid'], $item['title'], $item['url'], $langcode);
    }
    
    /**
     * Asserts a node link is correctly translated.
     *
     * @param int $nid
     *   The node id.
     * @param string $title
     *   The expected title.
     * @param \Drupal\Core\Url $url
     *   The URL being tested.
     * @param string $langcode
     *   The language code.
     *
     * @internal
     */
    protected function assertNodeLinkIsCorrectlyTranslated(int $nid, string $title, Url $url, string $langcode) : void {
        $node = Node::load($nid);
        $this->assertSame($node->getTranslation($langcode)
            ->label(), $title);
        $rendered_link = (string) Link::fromTextAndUrl($title, $url)->toString();
        $this->assertStringContainsString("http://{$langcode}.book.test.domain/node/{$nid}", $rendered_link);
    }
    
    /**
     * Asserts one entry in the table of contents is correct.
     *
     * @param array $toc
     *   The entire table of contents array.
     * @param string $langcode
     *   The language code for the requested translation.
     * @param int $nid
     *   The node ID.
     * @param string $indent
     *   The indentation before the actual table of contents label.
     *
     * @internal
     */
    protected function assertToCEntryIsCorrectlyTranslated(array $toc, string $langcode, int $nid, string $indent) : void {
        $node = Node::load($nid);
        $node_label = $node->getTranslation($langcode)
            ->label();
        $this->assertSame($indent . ' ' . $node_label, $toc[$nid]);
    }

}

Members

Title Sort descending Deprecated Modifiers Object type Summary Overriden Title Overrides
AssertContentTrait::$content protected property The current raw content.
AssertContentTrait::$drupalSettings protected property The drupalSettings value from the current raw $content.
AssertContentTrait::$elements protected property The XML structure parsed from the current raw $content. 1
AssertContentTrait::$plainTextContent protected property The plain-text content of raw $content (text nodes).
AssertContentTrait::assertEscaped protected function Passes if the raw text IS found escaped on the loaded page, fail otherwise.
AssertContentTrait::assertField protected function Asserts that a field exists with the given name or ID.
AssertContentTrait::assertFieldById protected function Asserts that a field exists with the given ID and value.
AssertContentTrait::assertFieldByName protected function Asserts that a field exists with the given name and value.
AssertContentTrait::assertFieldByXPath protected function Asserts that a field exists in the current page by the given XPath.
AssertContentTrait::assertFieldChecked protected function Asserts that a checkbox field in the current page is checked.
AssertContentTrait::assertFieldsByValue protected function Asserts that a field exists in the current page with a given Xpath result.
AssertContentTrait::assertLink protected function Passes if a link with the specified label is found.
AssertContentTrait::assertLinkByHref protected function Passes if a link containing a given href (part) is found.
AssertContentTrait::assertNoDuplicateIds protected function Asserts that each HTML ID is used for just a single element.
AssertContentTrait::assertNoEscaped protected function Passes if raw text IS NOT found escaped on loaded page, fail otherwise.
AssertContentTrait::assertNoField protected function Asserts that a field does not exist with the given name or ID.
AssertContentTrait::assertNoFieldById protected function Asserts that a field does not exist with the given ID and value.
AssertContentTrait::assertNoFieldByName protected function Asserts that a field does not exist with the given name and value.
AssertContentTrait::assertNoFieldByXPath protected function Asserts that a field does not exist or its value does not match, by XPath.
AssertContentTrait::assertNoFieldChecked protected function Asserts that a checkbox field in the current page is not checked.
AssertContentTrait::assertNoLink protected function Passes if a link with the specified label is not found.
AssertContentTrait::assertNoLinkByHref protected function Passes if a link containing a given href (part) is not found.
AssertContentTrait::assertNoLinkByHrefInMainRegion protected function Passes if a link containing a given href is not found in the main region.
AssertContentTrait::assertNoOption protected function Asserts that a select option in the current page does not exist.
AssertContentTrait::assertNoOptionSelected protected function Asserts that a select option in the current page is not checked.
AssertContentTrait::assertNoPattern protected function Triggers a pass if the perl regex pattern is not found in raw content.
AssertContentTrait::assertNoRaw protected function Passes if the raw text is NOT found on the loaded page, fail otherwise.
AssertContentTrait::assertNoText protected function Passes if the page (with HTML stripped) does not contains the text.
AssertContentTrait::assertNoTitle protected function Pass if the page title is not the given string.
AssertContentTrait::assertNoUniqueText protected function Passes if the text is found MORE THAN ONCE on the text version of the page.
AssertContentTrait::assertOption protected function Asserts that a select option in the current page exists.
AssertContentTrait::assertOptionByText protected function Asserts that a select option with the visible text exists.
AssertContentTrait::assertOptionSelected protected function Asserts that a select option in the current page is checked.
AssertContentTrait::assertOptionSelectedWithDrupalSelector protected function Asserts that a select option in the current page is checked.
AssertContentTrait::assertOptionWithDrupalSelector protected function Asserts that a select option in the current page exists.
AssertContentTrait::assertPattern protected function Triggers a pass if the Perl regex pattern is found in the raw content.
AssertContentTrait::assertRaw protected function Passes if the raw text IS found on the loaded page, fail otherwise.
AssertContentTrait::assertText protected function Passes if the page (with HTML stripped) contains the text.
AssertContentTrait::assertTextHelper protected function Helper for assertText and assertNoText.
AssertContentTrait::assertTextPattern protected function Asserts that a Perl regex pattern is found in the plain-text content.
AssertContentTrait::assertThemeOutput protected function Asserts themed output.
AssertContentTrait::assertTitle protected function Pass if the page title is the given string.
AssertContentTrait::assertUniqueText protected function Passes if the text is found ONLY ONCE on the text version of the page.
AssertContentTrait::assertUniqueTextHelper protected function Helper for assertUniqueText and assertNoUniqueText.
AssertContentTrait::buildXPathQuery protected function Builds an XPath query.
AssertContentTrait::constructFieldXpath protected function Helper: Constructs an XPath for the given set of attributes and value.
AssertContentTrait::cssSelect protected function Searches elements using a CSS selector in the raw content.
AssertContentTrait::getAllOptions protected function Get all option elements, including nested options, in a select.
AssertContentTrait::getDrupalSettings protected function Gets the value of drupalSettings for the currently-loaded page.
AssertContentTrait::getRawContent protected function Gets the current raw content.
AssertContentTrait::getSelectedItem protected function Get the selected value from a select field.
AssertContentTrait::getTextContent protected function Retrieves the plain-text content from the current raw content.
AssertContentTrait::parse protected function Parse content returned from curlExec using DOM and SimpleXML.
AssertContentTrait::removeWhiteSpace protected function Removes all white-space between HTML tags from the raw content.
AssertContentTrait::setDrupalSettings protected function Sets the value of drupalSettings for the currently-loaded page.
AssertContentTrait::setRawContent protected function Sets the raw content (e.g. HTML).
AssertContentTrait::xpath protected function Performs an xpath search on the contents of the internal browser.
BookMultilingualTest::$modules protected static property Modules to install. Overrides KernelTestBase::$modules
BookMultilingualTest::assertBookItemIsCorrectlyTranslated protected function Asserts a book item is correctly translated.
BookMultilingualTest::assertNodeLinkIsCorrectlyTranslated protected function Asserts a node link is correctly translated.
BookMultilingualTest::assertToCEntryIsCorrectlyTranslated protected function Asserts one entry in the table of contents is correct.
BookMultilingualTest::LANGCODE constant The translation langcode.
BookMultilingualTest::langcodesProvider public static function Data provider for ::testMultilingualBooks().
BookMultilingualTest::setCurrentLanguage protected function Sets the current language.
BookMultilingualTest::setUp protected function Overrides KernelTestBase::setUp
BookMultilingualTest::testMultilingualBookBreadcrumbBuilder public function Tests various book breadcrumb builder methods return correct translations.
BookMultilingualTest::testMultilingualBookExport public function Tests the book export returns correct translations.
BookMultilingualTest::testMultilingualBookManager public function Tests various book manager methods return correct translations.
ConfigTestTrait::configImporter protected function Returns a ConfigImporter object to import test configuration.
ConfigTestTrait::copyConfig protected function Copies configuration objects from source storage to target storage.
ExtensionListTestTrait::getModulePath protected function Gets the path for the specified module.
ExtensionListTestTrait::getThemePath protected function Gets the path for the specified theme.
KernelTestBase::$backupGlobals protected property Back up and restore any global variables that may be changed by tests.
KernelTestBase::$backupStaticAttributes protected property Back up and restore static class properties that may be changed by tests.
KernelTestBase::$backupStaticAttributesBlacklist protected property Contains a few static class properties for performance.
KernelTestBase::$classLoader protected property
KernelTestBase::$configImporter protected property @todo Move into Config test base class. 6
KernelTestBase::$configSchemaCheckerExclusions protected static property An array of config object names that are excluded from schema checking. 3
KernelTestBase::$container protected property
KernelTestBase::$databasePrefix protected property
KernelTestBase::$keyValue protected property The key_value service that must persist between container rebuilds.
KernelTestBase::$preserveGlobalState protected property Do not forward any global state from the parent process to the processes
that run the actual tests.
KernelTestBase::$root protected property The app root.
KernelTestBase::$runTestInSeparateProcess protected property Kernel tests are run in separate processes because they allow autoloading
of code from extensions. Running the test in a separate process isolates
this behavior from other tests. Subclasses should not override this
property.
KernelTestBase::$siteDirectory protected property
KernelTestBase::$strictConfigSchema protected property Set to TRUE to strict check all configuration saved. 9
KernelTestBase::$usesSuperUserAccessPolicy protected property Set to TRUE to make user 1 a super user. 7
KernelTestBase::$vfsRoot protected property The virtual filesystem root directory.
KernelTestBase::assertPostConditions protected function 1
KernelTestBase::bootEnvironment protected function Bootstraps a basic test environment.
KernelTestBase::bootKernel protected function Bootstraps a kernel for a test. 1
KernelTestBase::config protected function Configuration accessor for tests. Returns non-overridden configuration.
KernelTestBase::disableModules protected function Disables modules for this test.
KernelTestBase::enableModules protected function Enables modules for this test. 1
KernelTestBase::getConfigSchemaExclusions protected function Gets the config schema exclusions for this test.
KernelTestBase::getDatabaseConnectionInfo protected function Returns the Database connection info to be used for this test. 2
KernelTestBase::getDatabasePrefix public function
KernelTestBase::getExtensionsForModules private function Returns Extension objects for $modules to install.
KernelTestBase::getModulesToEnable private static function Returns the modules to install for this test.
KernelTestBase::initFileCache protected function Initializes the FileCache component.
KernelTestBase::installConfig protected function Installs default configuration for a given list of modules.
KernelTestBase::installEntitySchema protected function Installs the storage schema for a specific entity type.
KernelTestBase::installSchema protected function Installs database tables from a module schema definition.
KernelTestBase::register public function Registers test-specific services. Overrides ServiceProviderInterface::register 27
KernelTestBase::render protected function Renders a render array. 1
KernelTestBase::setInstallProfile protected function Sets the install profile and rebuilds the container to update it.
KernelTestBase::setSetting protected function Sets an in-memory Settings variable.
KernelTestBase::setUpBeforeClass public static function 1
KernelTestBase::setUpFilesystem protected function Sets up the filesystem, so things like the file directory. 2
KernelTestBase::stop Deprecated protected function Stops test execution.
KernelTestBase::tearDown protected function 6
KernelTestBase::tearDownCloseDatabaseConnection public function @after
KernelTestBase::vfsDump protected function Dumps the current state of the virtual filesystem to STDOUT.
KernelTestBase::__get public function
KernelTestBase::__sleep public function Prevents serializing any properties.
PhpUnitWarnings::$deprecationWarnings private static property Deprecation warnings from PHPUnit to raise with @trigger_error().
PhpUnitWarnings::addWarning public function Converts PHPUnit deprecation warnings to E_USER_DEPRECATED.
RandomGeneratorTrait::getRandomGenerator protected function Gets the random generator for the utility methods.
RandomGeneratorTrait::randomMachineName protected function Generates a unique random string containing letters and numbers.
RandomGeneratorTrait::randomObject public function Generates a random PHP object.
RandomGeneratorTrait::randomString public function Generates a pseudo-random string of ASCII characters of codes 32 to 126.
RandomGeneratorTrait::randomStringValidate Deprecated public function Callback for random string validation.
StorageCopyTrait::replaceStorageContents protected static function Copy the configuration from one storage to another and remove stale items.
TestRequirementsTrait::checkModuleRequirements Deprecated private function Checks missing module requirements.
TestRequirementsTrait::checkRequirements Deprecated protected function Check module requirements for the Drupal use case.
TestRequirementsTrait::getDrupalRoot protected static function Returns the Drupal root directory.
UserCreationTrait::checkPermissions protected function Checks whether a given list of permission names is valid.
UserCreationTrait::createAdminRole protected function Creates an administrative role.
UserCreationTrait::createRole protected function Creates a role with specified permissions.
UserCreationTrait::createUser protected function Create a user with a given set of permissions.
UserCreationTrait::grantPermissions protected function Grant permissions to a user role.
UserCreationTrait::setCurrentUser protected function Switch the current logged in user.
UserCreationTrait::setUpCurrentUser protected function Creates a random user account and sets it as current user.

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