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How to use _remove_volatile_fields method in tempest

Best Python code snippet using tempest_python

test_volumes_list.py

Source:test_volumes_list.py

...27    # If you are running a Devstack environment, ensure that the28    # VOLUME_BACKING_FILE_SIZE is at least 4G in your localrc29    VOLUME_FIELDS = ('id', 'name')30    @classmethod31    def _remove_volatile_fields(cls, fetched_list):32        """Remove fields that should not be compared.33        This method makes sure that Tempest does not compare e.g.34        the volume's "updated_at" field that may change for any reason35        internal to the operation of Cinder.36        """37        for volume in fetched_list:38            for field in ('updated_at',):39                if field in volume:40                    del volume[field]41    def _assert_volumes_in(self, fetched_list, expected_list, fields=None):42        """Check out the list.43        This function is aim at check out whether all of the volumes in44        expected_list are in fetched_list.45        """46        if fields:47            fieldsgetter = operator.itemgetter(*fields)48            expected_list = map(fieldsgetter, expected_list)49            fetched_list = [fieldsgetter(item) for item in fetched_list]50        # Hopefully the expected_list has already been cleaned.51        self._remove_volatile_fields(fetched_list)52        missing_vols = [v for v in expected_list if v not in fetched_list]53        if not missing_vols:54            return55        def str_vol(vol):56            return "%s:%s" % (vol['id'], vol['name'])57        raw_msg = "Could not find volumes %s in expected list %s; fetched %s"58        self.fail(raw_msg % ([str_vol(v) for v in missing_vols],59                             [str_vol(v) for v in expected_list],60                             [str_vol(v) for v in fetched_list]))61    @classmethod62    def resource_setup(cls):63        super(VolumesListTestJSON, cls).resource_setup()64        existing_volumes = cls.volumes_client.list_volumes()['volumes']65        cls.volume_id_list = [vol['id'] for vol in existing_volumes]66        # Create 3 test volumes67        cls.volume_list = []68        cls.metadata = {'Type': 'work'}69        for _ in range(3):70            volume = cls.create_volume(metadata=cls.metadata)71            volume = cls.volumes_client.show_volume(volume['id'])['volume']72            cls.volume_list.append(volume)73            cls.volume_id_list.append(volume['id'])74        cls._remove_volatile_fields(cls.volume_list)75    def _list_by_param_value_and_assert(self, params, with_detail=False):76        """list or list_details with given params and validates result"""77        if with_detail:78            fetched_vol_list = \79                self.volumes_client.list_volumes(detail=True,80                                                 params=params)['volumes']81        else:82            fetched_vol_list = self.volumes_client.list_volumes(83                params=params)['volumes']84        # Validating params of fetched volumes85        if with_detail:86            for volume in fetched_vol_list:87                for key in params:88                    msg = "Failed to list volumes %s by %s" % \...

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