class AdminBarPermissionsTestCase

class AdminBarPermissionsTestCase extends AdminBarWebTestCase {
  function setUp() {
    parent::setUp(array('node'));
  }

  /**
   * Test that the links are added to the page (no JS testing).
   */
  function testPermissions() {
    module_enable(array('contact'));
    $this->resetAll();

    // Anonymous users should not see the menu.
    $this->backdropGet('');
    $this->assertNoElementByXPath('//div[@id="admin-bar"]', array(), t('Administration bar not found.'));

    // Create a user who
    // - can access content overview
    // - cannot administer Contact module
    $permissions = $this->basePermissions + array(
      'access content overview',
    );
    $admin_user = $this->backdropCreateUser($permissions);
    $this->backdropLogin($admin_user);

    // Check that the user can see the admin links, but not the Backdrop links.
    $this->assertElementByXPath('//div[@id="admin-bar"]', array(), 'Administration bar found.');
    $this->assertElementByXPath('//div[@id="admin-bar"]//a[contains(@href, :path)]', array(':path' => 'admin/content'), 'Content link found.');
    $this->assertNoElementByXPath('//div[@id="admin-bar"]//a[contains(@href, :path)]', array(':path' => 'admin/structure/contact'), 'Structure » Contact link not found.');

    // Create a user "reversed" to the above; i.e., who
    // - cannot access content overview
    // - can administer Contact module
    $permissions = $this->basePermissions + array(
      'administer contact forms',
    );
    $admin_user2 = $this->backdropCreateUser($permissions);
    $this->backdropLogin($admin_user2);
    $this->assertElementByXPath('//div[@id="admin-bar"]', array(), 'Administration bar found.');
    $this->assertNoElementByXPath('//div[@id="admin-bar"]//a[contains(@href, :path)]', array(':path' => 'admin/content'), 'Content link not found.');
    $this->assertElementByXPath('//div[@id="admin-bar"]//a[contains(@href, :path)]', array(':path' => 'admin/structure/contact'), 'Structure » Contact link found.');
  }

  /**
   * Tests handling of links pointing to category/overview pages.
   */
  function testCategories() {
    // Create a user with minimum permissions.
    $admin_user = $this->backdropCreateUser($this->basePermissions);
    $this->backdropLogin($admin_user);

    // Verify that no category links appear.
    $this->assertNoLinkTrailByTitle(array(t('Structure')));
    $this->assertNoLinkTrailByTitle(array(t('Configuration')));

    // Create a user with access to one configuration category.
    $permissions = $this->basePermissions + array(
      'administer users',
      'administer account settings',
    );
    $admin_user = $this->backdropCreateUser($permissions);
    $this->backdropLogin($admin_user);

    // Verify that only expected category links appear.
    $this->assertNoLinkTrailByTitle(array(t('Structure')));
    $this->assertLinkTrailByTitle(array(t('User accounts')));
    $this->assertLinkTrailByTitle(array(t('Configuration')));
    $this->assertLinkTrailByTitle(array(t('Configuration'), t('User accounts')));
    // Random picks are sufficient.
    $this->assertNoLinkTrailByTitle(array(t('Configuration'), t('Media')));
    $this->assertNoLinkTrailByTitle(array(t('Configuration'), t('System')));
  }

  /**
   * Tests that user role and permission changes are properly taken up.
   */
  function testPermissionChanges() {
    // Create a user who is able to change permissions.
    $permissions = $this->basePermissions + array(
      'administer permissions',
      'assign roles',
    );
    $admin_user = $this->backdropCreateUser($permissions);
    $this->backdropLogin($admin_user);

    // Extract the user role name that was created for above permissions.
    $roles = array_diff($admin_user->roles, array(BACKDROP_AUTHENTICATED_ROLE));
    $role_name = reset($roles);

    // Verify that Configuration sub-items do not appear.
    $this->assertNoLinkTrailByTitle(array(t('Configuration'), t('System')));
    // Grant the 'administer site configuration' permission to ourselves.
    $edit = array(
      $role_name . '[administer site configuration]' => TRUE,
    );
    $this->backdropPost('admin/config/people/permissions', $edit, t('Save permissions'));
    // Verify that System Configuration appears.
    $this->assertLinkTrailByTitle(array(t('Configuration'), t('System')));

    // Verify that Structure » Content types does not appear.
    $this->assertNoLinkTrailByTitle(array(t('Structure'), t('Content types')));
    // Create a new role.
    $edit = array(
      'name' => 'test',
      'label' => 'Test',
    );
    $this->backdropPost('admin/config/people/roles/add', $edit, t('Save role'));

    // Grant the 'administer content types' permission for the role.
    $edit = array(
      'test[administer content types]' => TRUE,
    );
    $this->backdropPost('admin/config/people/permissions/test', $edit, t('Save permissions'));
    // Verify that Structure » Content types does not appear.
    $this->assertNoLinkTrailByTitle(array(t('Structure'), t('Content types')));

    // Assign the role to ourselves.
    $edit = array(
      'roles[test]' => TRUE,
    );
    $this->backdropPost('user/' . $admin_user->uid . '/edit', $edit, t('Save'));
    // Verify that Structure » Content types appears.
    $this->assertLinkTrailByTitle(array(t('Structure'), t('Content types')));

    // Delete the role.
    $this->backdropPost('admin/config/people/roles/delete/test', array(), t('Delete'));
    // Verify that Structure » Content types does not appear.
    $this->assertNoLinkTrailByTitle(array(t('Structure'), t('Content types')));
  }
}