class UserRegistrationTest

class UserRegistrationTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'field_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    public function testRegistrationWithEmailVerification() {
        $config = $this->config('user.settings');
        // Require email verification.
        $config->set('verify_mail', TRUE)
            ->save();
        // Set registration to administrator only and ensure the user registration
        // page is inaccessible.
        $config->set('register', UserInterface::REGISTER_ADMINISTRATORS_ONLY)
            ->save();
        $this->drupalGet('user/register');
        $this->assertSession()
            ->statusCodeEquals(403);
        // Allow registration by site visitors without administrator approval.
        $config->set('register', UserInterface::REGISTER_VISITORS)
            ->save();
        $edit = [];
        $edit['name'] = $name = $this->randomMachineName();
        $edit['mail'] = $mail = $edit['name'] . '@example.com';
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Create new account');
        $this->assertSession()
            ->pageTextContains('A welcome message with further instructions has been sent to your email address.');
        
        /** @var EntityStorageInterface $storage */
        $storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('user');
        $accounts = $storage->loadByProperties([
            'name' => $name,
            'mail' => $mail,
        ]);
        $new_user = reset($accounts);
        $this->assertTrue($new_user->isActive(), 'New account is active after registration.');
        $resetURL = user_pass_reset_url($new_user);
        $this->drupalGet($resetURL);
        $this->assertSession()
            ->titleEquals('Set password | Drupal');
        // Allow registration by site visitors, but require administrator approval.
        $config->set('register', UserInterface::REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL)
            ->save();
        $edit = [];
        $edit['name'] = $name = $this->randomMachineName();
        $edit['mail'] = $mail = $edit['name'] . '@example.com';
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Create new account');
        $this->container
            ->get('entity_type.manager')
            ->getStorage('user')
            ->resetCache();
        $accounts = $storage->loadByProperties([
            'name' => $name,
            'mail' => $mail,
        ]);
        $new_user = reset($accounts);
        $this->assertFalse($new_user->isActive(), 'New account is blocked until approved by an administrator.');
    }
    public function testRegistrationWithoutEmailVerification() {
        $config = $this->config('user.settings');
        // Don't require email verification and allow registration by site visitors
        // without administrator approval.
        $config->set('verify_mail', FALSE)
            ->set('register', UserInterface::REGISTER_VISITORS)
            ->save();
        $edit = [];
        $edit['name'] = $name = $this->randomMachineName();
        $edit['mail'] = $mail = $edit['name'] . '@example.com';
        // Try entering a mismatching password.
        $edit['pass[pass1]'] = '99999.0';
        $edit['pass[pass2]'] = '99999';
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Create new account');
        $this->assertSession()
            ->pageTextContains('The specified passwords do not match.');
        // Enter a correct password.
        $edit['pass[pass1]'] = $new_pass = $this->randomMachineName();
        $edit['pass[pass2]'] = $new_pass;
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Create new account');
        $this->container
            ->get('entity_type.manager')
            ->getStorage('user')
            ->resetCache();
        $accounts = $this->container
            ->get('entity_type.manager')
            ->getStorage('user')
            ->loadByProperties([
            'name' => $name,
            'mail' => $mail,
        ]);
        $new_user = reset($accounts);
        $this->assertNotNull($new_user, 'New account successfully created with matching passwords.');
        $this->assertSession()
            ->pageTextContains('Registration successful. You are now logged in.');
        $this->drupalLogout();
        // Allow registration by site visitors, but require administrator approval.
        $config->set('register', UserInterface::REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL)
            ->save();
        $edit = [];
        $edit['name'] = $name = $this->randomMachineName();
        $edit['mail'] = $mail = $edit['name'] . '@example.com';
        $edit['pass[pass1]'] = $pass = $this->randomMachineName();
        $edit['pass[pass2]'] = $pass;
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Create new account');
        $this->assertSession()
            ->pageTextContains('Thank you for applying for an account. Your account is currently pending approval by the site administrator.');
        // Try to log in before administrator approval.
        $auth = [
            'name' => $name,
            'pass' => $pass,
        ];
        $this->drupalGet('user/login');
        $this->submitForm($auth, 'Log in');
        $this->assertSession()
            ->pageTextContains('The username ' . $name . ' has not been activated or is blocked.');
        // Activate the new account.
        $accounts = $this->container
            ->get('entity_type.manager')
            ->getStorage('user')
            ->loadByProperties([
            'name' => $name,
            'mail' => $mail,
        ]);
        $new_user = reset($accounts);
        $admin_user = $this->drupalCreateUser([
            'administer users',
        ]);
        $this->drupalLogin($admin_user);
        $edit = [
            'status' => 1,
        ];
        $this->drupalGet('user/' . $new_user->id() . '/edit');
        $this->submitForm($edit, 'Save');
        $this->drupalLogout();
        // Log in after administrator approval.
        $this->drupalGet('user/login');
        $this->submitForm($auth, 'Log in');
        $this->assertSession()
            ->pageTextContains('Member for');
    }
    public function testRegistrationEmailDuplicates() {
        // Don't require email verification and allow registration by site visitors
        // without administrator approval.
        $this->config('user.settings')
            ->set('verify_mail', FALSE)
            ->set('register', UserInterface::REGISTER_VISITORS)
            ->save();
        // Set up a user to check for duplicates.
        $duplicate_user = $this->drupalCreateUser();
        $edit = [];
        $edit['name'] = $this->randomMachineName();
        $edit['mail'] = $duplicate_user->getEmail();
        // Attempt to create a new account using an existing email address.
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Create new account');
        $this->assertSession()
            ->pageTextContains('The email address ' . $duplicate_user->getEmail() . ' is already taken.');
        // Attempt to bypass duplicate email registration validation by adding spaces.
        $edit['mail'] = '   ' . $duplicate_user->getEmail() . '   ';
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Create new account');
        $this->assertSession()
            ->pageTextContains('The email address ' . $duplicate_user->getEmail() . ' is already taken.');
    }
    
    /**
     * Tests that UUID isn't cached in form state on register form.
     *
     * This is a regression test for https://www.drupal.org/node/2500527 to ensure
     * that the form is not cached on GET requests.
     */
    public function testUuidFormState() {
        \Drupal::service('module_installer')->install([
            'image',
        ]);
        // Add a picture field in order to ensure that no form cache is written,
        // which breaks registration of more than 1 user every 6 hours.
        $field_storage = FieldStorageConfig::create([
            'field_name' => 'user_picture',
            'entity_type' => 'user',
            'type' => 'image',
        ]);
        $field_storage->save();
        $field = FieldConfig::create([
            'field_name' => 'user_picture',
            'entity_type' => 'user',
            'bundle' => 'user',
        ]);
        $field->save();
        $form_display = EntityFormDisplay::create([
            'targetEntityType' => 'user',
            'bundle' => 'user',
            'mode' => 'default',
            'status' => TRUE,
        ]);
        $form_display->setComponent('user_picture', [
            'type' => 'image_image',
        ]);
        $form_display->save();
        // Don't require email verification and allow registration by site visitors
        // without administrator approval.
        $this->config('user.settings')
            ->set('verify_mail', FALSE)
            ->set('register', UserInterface::REGISTER_VISITORS)
            ->save();
        $edit = [];
        $edit['name'] = $this->randomMachineName();
        $edit['mail'] = $edit['name'] . '@example.com';
        $edit['pass[pass2]'] = $edit['pass[pass1]'] = $this->randomMachineName();
        // Create one account.
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Create new account');
        $this->assertSession()
            ->statusCodeEquals(200);
        $user_storage = \Drupal::entityTypeManager()->getStorage('user');
        $this->assertNotEmpty($user_storage->loadByProperties([
            'name' => $edit['name'],
        ]));
        $this->drupalLogout();
        // Create a second account.
        $edit['name'] = $this->randomMachineName();
        $edit['mail'] = $edit['name'] . '@example.com';
        $edit['pass[pass2]'] = $edit['pass[pass1]'] = $this->randomMachineName();
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Create new account');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertNotEmpty($user_storage->loadByProperties([
            'name' => $edit['name'],
        ]));
    }
    public function testRegistrationDefaultValues() {
        // Don't require email verification and allow registration by site visitors
        // without administrator approval.
        $config_user_settings = $this->config('user.settings')
            ->set('verify_mail', FALSE)
            ->set('register', UserInterface::REGISTER_VISITORS)
            ->save();
        // Set the default timezone to Brussels.
        $config_system_date = $this->config('system.date')
            ->set('timezone.user.configurable', 1)
            ->set('timezone.default', 'Europe/Brussels')
            ->save();
        // Check the presence of expected cache tags.
        $this->drupalGet('user/register');
        $this->assertSession()
            ->responseHeaderContains('X-Drupal-Cache-Tags', 'config:user.settings');
        $edit = [];
        $edit['name'] = $name = $this->randomMachineName();
        $edit['mail'] = $mail = $edit['name'] . '@example.com';
        $edit['pass[pass1]'] = $new_pass = $this->randomMachineName();
        $edit['pass[pass2]'] = $new_pass;
        $this->submitForm($edit, 'Create new account');
        // Check user fields.
        $accounts = $this->container
            ->get('entity_type.manager')
            ->getStorage('user')
            ->loadByProperties([
            'name' => $name,
            'mail' => $mail,
        ]);
        $new_user = reset($accounts);
        $this->assertEquals($name, $new_user->getAccountName(), 'Username matches.');
        $this->assertEquals($mail, $new_user->getEmail(), 'Email address matches.');
        // Verify that the creation time is correct.
        $this->assertGreaterThan(REQUEST_TIME - 20, $new_user->getCreatedTime());
        $this->assertEquals($config_user_settings->get('register') == UserInterface::REGISTER_VISITORS ? 1 : 0, $new_user->isActive(), 'Correct status field.');
        $this->assertEquals($config_system_date->get('timezone.default'), $new_user->getTimezone(), 'Correct time zone field.');
        $this->assertEquals(\Drupal::languageManager()->getDefaultLanguage()
            ->getId(), $new_user->langcode->value, 'Correct language field.');
        $this->assertEquals(\Drupal::languageManager()->getDefaultLanguage()
            ->getId(), $new_user->preferred_langcode->value, 'Correct preferred language field.');
        $this->assertEquals($mail, $new_user->init->value, 'Correct init field.');
    }
    
    /**
     * Tests username and email field constraints on user registration.
     *
     * @see \Drupal\user\Plugin\Validation\Constraint\UserNameUnique
     * @see \Drupal\user\Plugin\Validation\Constraint\UserMailUnique
     */
    public function testUniqueFields() {
        $account = $this->drupalCreateUser();
        $edit = [
            'mail' => 'test@example.com',
            'name' => $account->getAccountName(),
        ];
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Create new account');
        $this->assertSession()
            ->pageTextContains("The username {$account->getAccountName()} is already taken.");
        $edit = [
            'mail' => $account->getEmail(),
            'name' => $this->randomString(),
        ];
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Create new account');
        $this->assertSession()
            ->pageTextContains("The email address {$account->getEmail()} is already taken.");
    }
    
    /**
     * Tests Field API fields on user registration forms.
     */
    public function testRegistrationWithUserFields() {
        // Create a field on 'user' entity type.
        $field_storage = FieldStorageConfig::create([
            'field_name' => 'test_user_field',
            'entity_type' => 'user',
            'type' => 'test_field',
            'cardinality' => 1,
        ]);
        $field_storage->save();
        $field = FieldConfig::create([
            'field_storage' => $field_storage,
            'label' => 'Some user field',
            'bundle' => 'user',
            'required' => TRUE,
        ]);
        $field->save();
        
        /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
        $display_repository = \Drupal::service('entity_display.repository');
        $display_repository->getFormDisplay('user', 'user')
            ->setComponent('test_user_field', [
            'type' => 'test_field_widget',
        ])
            ->save();
        $display_repository->getFormDisplay('user', 'user', 'register')
            ->save();
        // Check that the field does not appear on the registration form.
        $this->drupalGet('user/register');
        $this->assertSession()
            ->pageTextNotContains($field->label());
        $this->assertSession()
            ->responseHeaderContains('X-Drupal-Cache-Tags', 'config:core.entity_form_display.user.user.register');
        $this->assertSession()
            ->responseHeaderContains('X-Drupal-Cache-Tags', 'config:user.settings');
        // Have the field appear on the registration form.
        $display_repository->getFormDisplay('user', 'user', 'register')
            ->setComponent('test_user_field', [
            'type' => 'test_field_widget',
        ])
            ->save();
        $this->drupalGet('user/register');
        $this->assertSession()
            ->pageTextContains($field->label());
        $this->assertRegistrationFormCacheTagsWithUserFields();
        // Check that validation errors are correctly reported.
        $edit = [];
        $edit['name'] = $name = $this->randomMachineName();
        $edit['mail'] = $mail = $edit['name'] . '@example.com';
        // Missing input in required field.
        $edit['test_user_field[0][value]'] = '';
        $this->submitForm($edit, 'Create new account');
        $this->assertRegistrationFormCacheTagsWithUserFields();
        $this->assertSession()
            ->pageTextContains("{$field->label()} field is required.");
        // Invalid input.
        $edit['test_user_field[0][value]'] = '-1';
        $this->submitForm($edit, 'Create new account');
        $this->assertRegistrationFormCacheTagsWithUserFields();
        $this->assertSession()
            ->pageTextContains("{$field->label()} does not accept the value -1.");
        // Submit with valid data.
        $value = rand(1, 255);
        $edit['test_user_field[0][value]'] = $value;
        $this->submitForm($edit, 'Create new account');
        // Check user fields.
        $accounts = $this->container
            ->get('entity_type.manager')
            ->getStorage('user')
            ->loadByProperties([
            'name' => $name,
            'mail' => $mail,
        ]);
        $new_user = reset($accounts);
        $this->assertEquals($value, $new_user->test_user_field->value, 'The field value was correctly saved.');
        // Check that the 'add more' button works.
        $field_storage->setCardinality(FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
        $field_storage->save();
        $this->drupalGet('user/register');
        $this->assertRegistrationFormCacheTagsWithUserFields();
        // Add two inputs.
        $value = rand(1, 255);
        $edit = [];
        $edit['test_user_field[0][value]'] = $value;
        $this->submitForm($edit, 'Add another item');
        $this->submitForm($edit, 'Add another item');
        // Submit with three values.
        $edit['test_user_field[1][value]'] = $value + 1;
        $edit['test_user_field[2][value]'] = $value + 2;
        $edit['name'] = $name = $this->randomMachineName();
        $edit['mail'] = $mail = $edit['name'] . '@example.com';
        $this->submitForm($edit, 'Create new account');
        // Check user fields.
        $accounts = $this->container
            ->get('entity_type.manager')
            ->getStorage('user')
            ->loadByProperties([
            'name' => $name,
            'mail' => $mail,
        ]);
        $new_user = reset($accounts);
        $this->assertEquals($value, $new_user->test_user_field[0]->value, 'The field value was correctly saved.');
        $this->assertEquals($value + 1, $new_user->test_user_field[1]->value, 'The field value was correctly saved.');
        $this->assertEquals($value + 2, $new_user->test_user_field[2]->value, 'The field value was correctly saved.');
    }
    
    /**
     * Asserts the presence of cache tags on registration form with user fields.
     *
     * @internal
     */
    protected function assertRegistrationFormCacheTagsWithUserFields() : void {
        $this->assertSession()
            ->responseHeaderContains('X-Drupal-Cache-Tags', 'config:core.entity_form_display.user.user.register');
        $this->assertSession()
            ->responseHeaderContains('X-Drupal-Cache-Tags', 'config:field.field.user.user.test_user_field');
        $this->assertSession()
            ->responseHeaderContains('X-Drupal-Cache-Tags', 'config:field.storage.user.test_user_field');
        $this->assertSession()
            ->responseHeaderContains('X-Drupal-Cache-Tags', 'config:user.settings');
    }

}