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How to use _assert_row_length method in autotest

Best Python code snippet using autotest_python

scheduler_models.py

Source:scheduler_models.py

...147        if not rows:148            raise DBError("row not found (table=%s, row id=%s)"149                          % (self.__table, row_id))150        return rows[0]151    def _assert_row_length(self, row):152        assert len(row) == len(self._fields), (153            "table = %s, row = %s/%d, fields = %s/%d" % (154            self.__table, row, len(row), self._fields, len(self._fields)))155    def _compare_fields_in_row(self, row):156        """157        Given a row as returned by a SELECT query, compare it to our existing in158        memory fields.  Fractional seconds are stripped from datetime values159        before comparison.160        @param row - A sequence of values corresponding to fields named in161                The class attribute _fields.162        @returns A dictionary listing the differences keyed by field name163                containing tuples of (current_value, row_value).164        """165        self._assert_row_length(row)166        differences = {}167        for field, row_value in itertools.izip(self._fields, row):168            current_value = getattr(self, field)169            if (isinstance(current_value, datetime.datetime)170                and isinstance(row_value, datetime.datetime)):171                current_value = current_value.strftime(time_utils.TIME_FMT)172                row_value = row_value.strftime(time_utils.TIME_FMT)173            if current_value != row_value:174                differences[field] = (current_value, row_value)175        return differences176    def _update_fields_from_row(self, row):177        """178        Update our field attributes using a single row returned by SELECT.179        @param row - A sequence of values corresponding to fields named in180                the class fields list.181        """182        self._assert_row_length(row)183        self._valid_fields = set()184        for field, value in itertools.izip(self._fields, row):185            setattr(self, field, value)186            self._valid_fields.add(field)187        self._valid_fields.remove('id')188    def update_from_database(self):189        assert self.id is not None190        row = self._fetch_row_from_db(self.id)191        self._update_fields_from_row(row)192    def count(self, where, table = None):193        if not table:194            table = self.__table195        rows = _db.execute("""196                SELECT count(*) FROM %s...

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