#!/usr/bin/env python3
#
#  Copyright (c) 2021, The OpenThread Authors.
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import unittest

from test_srp_register_500_services import CLIENT_IDS, INSTANCE_IDS, SrpRegister500Services, SERVER, SERVICE_NAME

# Test description:
#   This test verifies SRP function that SRP clients can register up to 500 services to one SRP server.
#
#   This test is same as test_srp_register_500_services.py, with the only difference that the SRP server
#   is running on an OTBR (Docker).
#

HOST = SERVER + 1


class SrpRegister500ServicesBR(SrpRegister500Services):
    TOPOLOGY = SrpRegister500Services.TOPOLOGY
    TOPOLOGY[SERVER]['is_otbr'] = True
    TOPOLOGY[HOST] = {
        'name': 'Host',
        'is_host': True,
    }

    def test(self):
        self.nodes[HOST].start(start_radvd=False)

        self._test_impl()

        # Verify all SRP services are resolvable via mDNS
        host = self.nodes[HOST]

        browse_retry = 3
        for i in range(browse_retry):
            try:
                service_instances = set(host.browse_mdns_services(SERVICE_NAME, timeout=10))
                print(service_instances)

                for clientid in CLIENT_IDS:
                    for instanceid in INSTANCE_IDS:
                        self.assertIn(f'client{clientid}_{instanceid}', service_instances)

                break

            except Exception:
                if i < browse_retry - 1:
                    self.simulator.go(3)
                    continue


del SrpRegister500Services

if __name__ == '__main__':
    unittest.main()