95 lines
3.0 KiB
Python
95 lines
3.0 KiB
Python
"""Tests for the 18+ age gate on user registration."""
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from datetime import date, timedelta
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import pytest
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from app.routers.auth import calculate_age
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class TestCalculateAge:
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"""Unit tests for the calculate_age helper."""
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def test_exactly_18(self):
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"""A person born exactly 18 years ago today is 18."""
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today = date(2025, 6, 15)
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dob = today.replace(year=today.year - 18)
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assert calculate_age(dob, today=today) == 18
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def test_just_turned_18(self):
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"""A person who turned 18 yesterday is 18."""
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today = date(2025, 6, 15)
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dob = today.replace(year=today.year - 18) - timedelta(days=1)
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assert calculate_age(dob, today=today) == 18
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def test_one_day_short_of_18(self):
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"""A person born one day after their 18th birthday is 17."""
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today = date(2025, 6, 15)
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dob = today.replace(year=today.year - 18) + timedelta(days=1)
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assert calculate_age(dob, today=today) == 17
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def test_17_years_old(self):
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"""A person who is 17 years old today is 17."""
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today = date(2025, 6, 15)
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dob = date(2007, 6, 15)
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assert calculate_age(dob, today=today) == 17
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def test_65_years_old(self):
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"""A person who is 65 is correctly calculated."""
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today = date(2025, 6, 15)
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dob = today.replace(year=today.year - 65)
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assert calculate_age(dob, today=today) == 65
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def test_newborn(self):
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"""A newborn is 0."""
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today = date(2025, 6, 15)
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dob = today
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assert calculate_age(dob, today=today) == 0
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def test_birthday_not_yet_this_year(self):
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"""Person born Dec 31, 2000 — on Jan 1, 2025 they are still 24."""
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dob = date(2000, 12, 31)
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assert calculate_age(dob, today=date(2025, 1, 1)) == 24
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def test_birthday_today(self):
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"""Person born Dec 31, 2000 — on Dec 31, 2024 they turn 24."""
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dob = date(2000, 12, 31)
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assert calculate_age(dob, today=date(2024, 12, 31)) == 24
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class TestRegisterRequestDateValidation:
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"""Tests for the RegisterRequest date_of_birth field validator."""
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@pytest.mark.parametrize(
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"dob",
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[
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"2000-01-01",
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"1990-12-31",
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"2004-02-29", # leap day
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],
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)
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def test_valid_dates(self, dob):
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"""Valid YYYY-MM-DD dates pass validation."""
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from app.routers.auth import RegisterRequest
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req = RegisterRequest(username="u", email="u@example.com", password="p", date_of_birth=dob)
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assert req.date_of_birth == dob
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@pytest.mark.parametrize(
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"dob",
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[
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"01-01-2000",
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"2000/01/01",
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"2000-13-01",
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"2000-00-10",
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"not-a-date",
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"",
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],
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)
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def test_invalid_dates_rejected(self, dob):
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"""Invalid dates are rejected by the validator."""
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from app.routers.auth import RegisterRequest
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with pytest.raises(ValueError):
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RegisterRequest(username="u", email="u@example.com", password="p", date_of_birth=dob)
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