rdmsandClaude Opus 5.5
42d3d95e48
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
100 lines
4.2 KiB
Python
100 lines
4.2 KiB
Python
from datetime import date
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from decimal import Decimal
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import pytest
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from app.models.tables import Loan, RecurringItem
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from app.services.double_count import (KreditDaten, PostenDaten, all_conflicts,
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conflicts_for_loan, conflicts_for_recurring,
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find_conflict, rate_period, regular_rate)
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D = Decimal
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# 1.200 € zu 0 % auf 12 Monate, Auszahlung 15.01.2026 -> Rate 100,00;
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# erste Rate 15.02.2026, letzte 15.01.2027.
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K100 = KreditDaten(1, "Auto", D("1200.00"), D("0"), 12, date(2026, 1, 15), "annuity")
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def P(amount, rhythm="monthly", start=None, end=None, name="Rate"):
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return PostenDaten(7, name, D(amount), rhythm, start, end)
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def test_regular_rate_und_zeitraum():
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assert regular_rate(K100) == D("100.00")
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assert rate_period(K100) == (date(2026, 2, 15), date(2027, 1, 15))
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annu = KreditDaten(2, "A", D("5000.00"), D("6.0"), 48, date(2026, 1, 1), "annuity")
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assert regular_rate(annu) == D("117.43")
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bullet = KreditDaten(3, "B", D("12000.00"), D("6.0"), 24, date(2026, 1, 1), "bullet")
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assert regular_rate(bullet) == D("60.00")
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bullet0 = KreditDaten(4, "B0", D("12000.00"), D("0"), 24, date(2026, 1, 1), "bullet")
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assert regular_rate(bullet0) is None
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@pytest.mark.parametrize("amount,hit", [
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("-100.00", True), ("-103.00", True), ("-103.01", False),
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("-97.00", True), ("-96.99", False),
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])
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def test_toleranz_drei_prozent(amount, hit):
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assert (find_conflict(P(amount), K100) is not None) is hit
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@pytest.mark.parametrize("amount,hit", [("-21.00", True), ("-21.01", False), ("-19.00", True)])
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def test_mindesttoleranz_ein_euro(amount, hit):
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k20 = KreditDaten(5, "Klein", D("240.00"), D("0"), 12, date(2026, 1, 15), "annuity")
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assert (find_conflict(P(amount), k20) is not None) is hit
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def test_endfaellig_zinsrate_und_nullzins():
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bullet = KreditDaten(3, "B", D("12000.00"), D("6.0"), 24, date(2026, 1, 1), "bullet")
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assert find_conflict(P("-60.00"), bullet) is not None
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bullet0 = KreditDaten(4, "B0", D("12000.00"), D("0"), 24, date(2026, 1, 1), "bullet")
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assert find_conflict(P("-60.00"), bullet0) is None
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assert find_conflict(P("-0.50"), bullet0) is None
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def test_nur_monatliche_ausgaben():
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assert find_conflict(P("-100.00", rhythm="quarterly"), K100) is None
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assert find_conflict(P("100.00"), K100) is None
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@pytest.mark.parametrize("start,end,hit", [
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(None, date(2026, 2, 14), False), (None, date(2026, 2, 15), True),
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(date(2027, 1, 16), None, False), (date(2027, 1, 15), None, True),
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(None, None, True), (date(2025, 1, 1), date(2030, 1, 1), True),
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])
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def test_zeitraeume(start, end, hit):
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assert (find_conflict(P("-100.00", start=start, end=end), K100) is not None) is hit
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def test_konflikt_inhalt():
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k = find_conflict(P("-101.50", name="Rate Auto"), K100)
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assert (k.posten_id, k.posten_name, k.posten_betrag) == (7, "Rate Auto", D("-101.50"))
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assert (k.kredit_id, k.kredit_name, k.kredit_rate) == (1, "Auto", D("100.00"))
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assert k.paar == (7, 1)
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def _seed(db):
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db.add_all([
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Loan(name="Auto", principal=D("1200.00"), annual_rate_pct=D("0"), term_months=12,
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payout_date=date(2026, 1, 15), repayment_type="annuity"),
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Loan(name="Möbel", principal=D("240.00"), annual_rate_pct=D("0"), term_months=12,
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payout_date=date(2026, 1, 15), repayment_type="annuity"),
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RecurringItem(name="Rate Auto", amount=D("-100.00"), rhythm="monthly", due_day=15),
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RecurringItem(name="Rate Möbel", amount=D("-20.00"), rhythm="monthly", due_day=15),
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RecurringItem(name="Miete", amount=D("-600.00"), rhythm="monthly", due_day=1),
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])
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db.commit()
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def test_all_conflicts_findet_paare_sortiert(db):
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_seed(db)
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assert [(k.posten_name, k.kredit_name) for k in all_conflicts(db)] == [
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("Rate Auto", "Auto"), ("Rate Möbel", "Möbel")]
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def test_conflicts_for_recurring_und_loan(db):
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_seed(db)
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neu = PostenDaten(None, "Neu", D("-99.00"), "monthly", None, None)
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assert [k.kredit_name for k in conflicts_for_recurring(db, neu)] == ["Auto"]
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kredit = KreditDaten(None, "Neu", D("7200.00"), D("0"), 12, date(2026, 1, 1), "annuity")
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assert [k.posten_name for k in conflicts_for_loan(db, kredit)] == ["Miete"]
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