from datetime import timedelta, tzinfo
from mtdata.core import config as cfg
class _FixedOffsetTZ(tzinfo):
def __init__(self, hours):
self._delta = timedelta(hours=hours)
def utcoffset(self, dt):
return self._delta
def dst(self, dt):
return timedelta(0)
class _FakePytz:
def timezone(self, name):
if name == "bad/tz":
raise ValueError("invalid tz")
if name == "client/three":
return _FixedOffsetTZ(3)
return _FixedOffsetTZ(2)
def test_mt5_config_credentials_and_login_parsing(monkeypatch):
monkeypatch.setenv("MT5_LOGIN", "123456")
monkeypatch.setenv("MT5_PASSWORD", "secret")
monkeypatch.setenv("MT5_SERVER", "Demo-Server")
monkeypatch.setenv("MT5_TIME_OFFSET_MINUTES", "0")
monkeypatch.setattr(cfg, "_WARNED_SERVER_TZ", False)
conf = cfg.MT5Config()
assert conf.get_login() == 123456
assert conf.get_password() == "secret"
assert conf.get_server() == "Demo-Server"
assert conf.has_credentials() is True
def test_mt5_config_warns_once_when_timezone_info_missing(monkeypatch, caplog):
monkeypatch.delenv("MT5_SERVER_TZ", raising=False)
monkeypatch.delenv("MT5_TIME_OFFSET_MINUTES", raising=False)
monkeypatch.setattr(cfg, "_WARNED_SERVER_TZ", False)
with caplog.at_level("WARNING", logger="mtdata.core.config"):
cfg.MT5Config()
cfg.MT5Config()
warnings = [r.message for r in caplog.records if "MT5_SERVER_TZ or MT5_TIME_OFFSET_MINUTES not set" in r.message]
assert len(warnings) == 1
def test_get_time_offset_seconds_prefers_explicit_minutes(monkeypatch):
monkeypatch.setenv("MT5_TIME_OFFSET_MINUTES", "90")
monkeypatch.setenv("MT5_SERVER_TZ", "any/tz")
monkeypatch.setattr(cfg, "_WARNED_SERVER_TZ", False)
conf = cfg.MT5Config()
assert conf.get_time_offset_seconds() == 5400
def test_get_time_offset_seconds_uses_server_timezone_when_offset_zero(monkeypatch):
monkeypatch.setenv("MT5_TIME_OFFSET_MINUTES", "0")
monkeypatch.setenv("MT5_SERVER_TZ", "server/two")
monkeypatch.setattr(cfg, "pytz", _FakePytz())
monkeypatch.setattr(cfg, "_WARNED_SERVER_TZ", False)
conf = cfg.MT5Config()
assert conf.get_time_offset_seconds() == 7200
assert conf.get_server_tz() is not None
def test_mt5_config_handles_invalid_offset_and_bad_timezone(monkeypatch):
monkeypatch.setenv("MT5_TIME_OFFSET_MINUTES", "not-a-number")
monkeypatch.setenv("MT5_SERVER_TZ", "bad/tz")
monkeypatch.setenv("CLIENT_TZ", "bad/tz")
monkeypatch.setattr(cfg, "pytz", _FakePytz())
monkeypatch.setattr(cfg, "_WARNED_SERVER_TZ", False)
conf = cfg.MT5Config()
assert conf.time_offset_minutes == 0
assert conf.get_time_offset_seconds() == 0
assert conf.get_server_tz() is None
assert conf.get_client_tz() is None
