def test_next_event_given_time_now_before_data_raises_value_error(self):
# Arrange
news_filter = EconomicNewsEventFilter(
currencies=["USD"],
impacts=["HIGH"],
news_data=self.news_data,
)
# Act, Assert
with pytest.raises(ValueError):
news_filter.next_event(UNIX_EPOCH)
def test_next_event_given_time_now_after_data_raises_value_error(self):
# Arrange
news_filter = EconomicNewsEventFilter(
currencies=["USD"],
impacts=["HIGH"],
news_data=self.news_data,
)
# Act, Assert
with pytest.raises(ValueError):
news_filter.next_event(datetime(2050, 1, 1, 1, 1, tzinfo=pytz.utc))
def test_initialize_filter_with_no_currencies_or_impacts_returns_none(
self):
# Arrange
currencies = []
impacts = []
news_filter = EconomicNewsEventFilter(
currencies=currencies,
impacts=impacts,
news_data=self.news_data,
)
# Act
event_next = news_filter.next_event(
datetime(2012, 3, 15, 12, 0, tzinfo=pytz.utc))
event_prev = news_filter.next_event(
datetime(2012, 3, 15, 12, 0, tzinfo=pytz.utc))
# Assert
assert event_next is None
assert event_prev is None
