LdapUserProvider example

public function testLoadUserByIdentifierFailsIfCantConnectToLdap()
    {
        $this->expectException(ConnectionException::class);

        $ldap = $this->createMock(LdapInterface::class);
        $ldap
            ->expects($this->once())
            ->method('bind')
            ->willThrowException(new ConnectionException())
        ;

        $provider = new LdapUserProvider($ldap, 'ou=MyBusiness,dc=symfony,dc=com');
        $provider->loadUserByIdentifier('foo');
    }

    public function testLoadUserByIdentifierFailsIfNoLdapEntries()
    {
        $this->expectException(UserNotFoundException::class);

        $result = $this->createMock(CollectionInterface::class);
        $query = $this->createMock(QueryInterface::class);
        $query
            ->expects($this->once())