silverstripe-framework/tests/security/SecurityDefaultAdminTest.php

<?php
class SecurityDefaultAdminTest extends SapphireTest {

	public function setUp() {
		parent::setUp();

		// TODO Workaround to force database clearing with no fixture present,
		// and avoid sideeffects from other tests
		if(!self::using_temp_db()) self::create_temp_db();
		self::empty_temp_db();
	}

	public function testCheckDefaultAdmin() {
		if(Security::has_default_admin()) {
			$this->markTestSkipped(
				'Default admin present. There\'s no way to inspect default admin state, ' .
				'so we don\'t override existing settings'
			);
		}

		Security::setDefaultAdmin('admin', 'password');

		$this->assertTrue(Security::has_default_admin());
		$this->assertTrue(
			Security::check_default_admin('admin', 'password'),
			'Succeeds with correct username and password'
		);
		$this->assertFalse(
			Security::check_default_admin('wronguser', 'password'),
			'Fails with incorrect username'
		);
		$this->assertFalse(
			Security::check_default_admin('admin', 'wrongpassword'),
			'Fails with incorrect password'
		);

		Security::setDefaultAdmin(null, null);
	}

	public function testFindAnAdministratorCreatesNewUser() {
		$adminMembers = Permission::get_members_by_permission('ADMIN');
		$this->assertEquals(0, $adminMembers->count());

		$admin = Security::findAnAdministrator();

		$this->assertInstanceOf('Member', $admin);
		$this->assertTrue(Permission::checkMember($admin, 'ADMIN'));
		$this->assertNull($admin->Email);
		$this->assertNull($admin->Password);
	}

}