Function assert_timestamp

python/ccxt/test/exchange/base/test_shared_methods.py:114–136

(exchange, skipped_properties, method, entry, now_to_check=None, key_name_or_index='timestamp', allow_null=True)

def assert_timestamp(exchange, skipped_properties, method, entry, now_to_check=None, key_name_or_index='timestamp', allow_null=True):
    log_text = log_template(exchange, method, entry)
    skip_value = exchange.safe_value(skipped_properties, key_name_or_index)
    if skip_value is not None:
        return   # skipped
    is_date_time_object = isinstance(key_name_or_index, str)
    if is_date_time_object:
        assert (key_name_or_index in entry), 'timestamp key "' + key_name_or_index + '" is missing from structure' + log_text
    else:
        # if index was provided (mostly from fetchOHLCV) then we check if it exists, as mandatory
        assert not (entry[key_name_or_index] is None), 'timestamp index ' + string_value(key_name_or_index) + ' is undefined' + log_text
    ts = entry[key_name_or_index]
    assert ts is not None or allow_null, 'timestamp is null' + log_text
    if ts is not None:
        assert isinstance(ts, numbers.Real), 'timestamp is not numeric' + log_text
        assert isinstance(ts, int), 'timestamp should be an integer' + log_text
        min_ts = 1230940800000  # 03 Jan 2009 - first block
        max_ts = 2147483648000  # 19 Jan 2038 - max int
        assert ts > min_ts, 'timestamp is impossible to be before ' + str(min_ts) + ' (03.01.2009)' + log_text  # 03 Jan 2009 - first block
        assert ts < max_ts, 'timestamp more than ' + str(max_ts) + ' (19.01.2038)' + log_text  # 19 Jan 2038 - int32 overflows # 7258118400000  -> Jan 1 2200
        if now_to_check is not None:
            max_ms_offset = 60000  # 1 min
            assert ts < now_to_check + max_ms_offset, 'returned item timestamp (' + exchange.iso8601(ts) + ') is ahead of the current time (' + exchange.iso8601(now_to_check) + ')' + log_text


def assert_timestamp_and_datetime(exchange, skipped_properties, method, entry, now_to_check=None, key_name_or_index='timestamp', allow_null=True):