49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
"""Unit tests for unified DateService."""
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from datetime import date
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import pytest
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from app.utils.date_service import date_service
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def test_date_service_parse_iso():
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d = date_service.parse("2026-09-16")
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assert d == date(2026, 9, 16)
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def test_date_service_parse_jalali():
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# 1405/06/25 -> 2026-09-16
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d = date_service.parse("1405/06/25")
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assert d == date(2026, 9, 16)
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def test_date_service_to_jalali():
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d = date(2026, 9, 16)
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assert date_service.to_jalali(d) == "1405/06/25"
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def test_date_service_duration_calculation():
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d1 = date(2026, 9, 10)
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d2 = date(2026, 9, 15)
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# gap between the dates: the end date is not counted
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assert date_service.calculate_duration(d1, d2) == 5
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assert date_service.calculate_duration(d1, d1) == 0
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assert date_service.calculate_duration(None, d2) == 0
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# inverted range is not a duration
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assert date_service.calculate_duration(d2, d1) == 0
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def test_date_service_compute_end_date():
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d1 = date(2026, 9, 10)
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# 0 days means start and end are the same day
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assert date_service.compute_end_date(d1, 0) == d1
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# 5 days is the gap, so the end date is 5 days later
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assert date_service.compute_end_date(d1, 5) == date(2026, 9, 15)
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def test_duration_and_end_date_are_inverses():
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"""The pair must round-trip, otherwise saved values drift on reload."""
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d1 = date(2026, 9, 10)
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for gap in (0, 1, 4, 5, 30):
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end = date_service.compute_end_date(d1, gap)
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assert date_service.calculate_duration(d1, end) == gap
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