How to use _test_backend_name_distinction method in tempest

Best Python code snippet using tempest_python

test_multi_backend.py

Source:test_multi_backend.py

...74            self._test_backend_name_reporting_by_volume_id(volume_id)75    @decorators.idempotent_id('46435ab1-a0af-4401-8373-f14e66b0dd58')76    def test_backend_name_distinction(self):77        # get volume ids which created by type without prefix78        self._test_backend_name_distinction(self.volume_id_list_without_prefix)79    @decorators.idempotent_id('4236305b-b65a-4bfc-a9d2-69cb5b2bf2ed')80    def test_backend_name_distinction_with_prefix(self):81        # get volume ids which created by type without prefix82        self._test_backend_name_distinction(self.volume_id_list_with_prefix)83    def _get_volume_host(self, volume_id):84        return self.admin_volume_client.show_volume(85            volume_id)['volume']['os-vol-host-attr:host']86    def _test_backend_name_reporting_by_volume_id(self, volume_id):87        # this test checks if os-vol-attr:host is populated correctly after88        # the multi backend feature has been enabled89        # if multi-backend is enabled: os-vol-attr:host should be like:90        # host@backend_name91        volume = self.admin_volume_client.show_volume(volume_id)['volume']92        volume1_host = volume['os-vol-host-attr:host']93        msg = ("multi-backend reporting incorrect values for volume %s" %94               volume_id)95        self.assertGreater(len(volume1_host.split("@")), 1, msg)96    def _test_backend_name_distinction(self, volume_id_list):97        # this test checks that the volumes created at setUp don't98        # belong to the same backend (if they are, than the99        # volume backend distinction is not working properly)100        volume_hosts = [self._get_volume_host(volume) for volume in101                        volume_id_list]102        # assert that volumes are each created on separate hosts:103        msg = ("volumes %s were created in the same backend" % ", "104               .join(volume_hosts))...

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