UserRolesAssignmentTest.php

<?php

namespace Drupal\Tests\user\Functional;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests that users can be assigned and unassigned roles.
 *
 * @group user
 */
class UserRolesAssignmentTest extends BrowserTestBase {
    protected function setUp() {
        parent::setUp();
        $admin_user = $this->drupalCreateUser([
            'administer permissions',
            'administer users',
        ]);
        $this->drupalLogin($admin_user);
    }
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests that a user can be assigned a role and that the role can be removed
     * again.
     */
    public function testAssignAndRemoveRole() {
        $rid = $this->drupalCreateRole([
            'administer users',
        ]);
        $account = $this->drupalCreateUser();
        // Assign the role to the user.
        $this->drupalPostForm('user/' . $account->id() . '/edit', [
            "roles[{$rid}]" => $rid,
        ], t('Save'));
        $this->assertText(t('The changes have been saved.'));
        $this->assertFieldChecked('edit-roles-' . $rid, 'Role is assigned.');
        $this->userLoadAndCheckRoleAssigned($account, $rid);
        // Remove the role from the user.
        $this->drupalPostForm('user/' . $account->id() . '/edit', [
            "roles[{$rid}]" => FALSE,
        ], t('Save'));
        $this->assertText(t('The changes have been saved.'));
        $this->assertNoFieldChecked('edit-roles-' . $rid, 'Role is removed from user.');
        $this->userLoadAndCheckRoleAssigned($account, $rid, FALSE);
    }
    
    /**
     * Tests that when creating a user the role can be assigned. And that it can
     * be removed again.
     */
    public function testCreateUserWithRole() {
        $rid = $this->drupalCreateRole([
            'administer users',
        ]);
        // Create a new user and add the role at the same time.
        $edit = [
            'name' => $this->randomMachineName(),
            'mail' => $this->randomMachineName() . '@example.com',
            'pass[pass1]' => $pass = $this->randomString(),
            'pass[pass2]' => $pass,
            "roles[{$rid}]" => $rid,
        ];
        $this->drupalPostForm('admin/people/create', $edit, t('Create new account'));
        $this->assertText(t('Created a new user account for @name.', [
            '@name' => $edit['name'],
        ]));
        // Get the newly added user.
        $account = user_load_by_name($edit['name']);
        $this->drupalGet('user/' . $account->id() . '/edit');
        $this->assertFieldChecked('edit-roles-' . $rid, 'Role is assigned.');
        $this->userLoadAndCheckRoleAssigned($account, $rid);
        // Remove the role again.
        $this->drupalPostForm('user/' . $account->id() . '/edit', [
            "roles[{$rid}]" => FALSE,
        ], t('Save'));
        $this->assertText(t('The changes have been saved.'));
        $this->assertNoFieldChecked('edit-roles-' . $rid, 'Role is removed from user.');
        $this->userLoadAndCheckRoleAssigned($account, $rid, FALSE);
    }
    
    /**
     * Check role on user object.
     *
     * @param object $account
     *   The user account to check.
     * @param string $rid
     *   The role ID to search for.
     * @param bool $is_assigned
     *   (optional) Whether to assert that $rid exists (TRUE) or not (FALSE).
     *   Defaults to TRUE.
     */
    private function userLoadAndCheckRoleAssigned($account, $rid, $is_assigned = TRUE) {
        $user_storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('user');
        $user_storage->resetCache([
            $account->id(),
        ]);
        $account = $user_storage->load($account->id());
        if ($is_assigned) {
            $this->assertContains($rid, $account->getRoles());
        }
        else {
            $this->assertNotContains($rid, $account->getRoles());
        }
    }

}