53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
import datetime
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import pytest
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from money.currency import Currency
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from xexe.currency_pair import CurrencyPair
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from xexe.utils import DateRange, generate_pairs_and_dates_combinations
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def test_date_range_breaks_with_reversed_dates():
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with pytest.raises(ValueError):
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DateRange(
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start_date=datetime.date(year=2024, month=1, day=3),
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end_date=datetime.date(year=2024, month=1, day=1),
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)
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def test_date_range_generates_proper_dates_when_itered():
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a_range = DateRange(
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start_date=datetime.date(year=2024, month=1, day=1),
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end_date=datetime.date(year=2024, month=1, day=3),
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)
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dates = [a_date for a_date in a_range]
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assert dates[0] == datetime.date(year=2024, month=1, day=1)
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assert dates[1] == datetime.date(year=2024, month=1, day=2)
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assert dates[-1] == datetime.date(year=2024, month=1, day=3)
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assert len(dates) == 3
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def test_generate_pair_and_dates_combinations_outputs_correctly():
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date_range = DateRange(
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start_date=datetime.date(year=2024, month=1, day=1),
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end_date=datetime.date(year=2024, month=1, day=3),
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)
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pairs = {
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CurrencyPair(from_currency="USD", to_currency="EUR"),
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CurrencyPair(from_currency="USD", to_currency="GBP"),
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CurrencyPair(from_currency="EUR", to_currency="GBP"),
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}
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combinations = generate_pairs_and_dates_combinations(
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pairs=pairs, date_range=date_range
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)
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assert len(combinations) == 9
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assert len({combination["date"] for combination in combinations}) == 3
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assert len({combination["from_currency"] for combination in combinations}) == 2
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assert len({combination["to_currency"] for combination in combinations}) == 2
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