Fringg
60 lines
1.7 KiB
Python
60 lines
1.7 KiB
Python
import pytest
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from app.services.pricing_engine import RenewalPricing, PricingEngine
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def test_renewal_pricing_is_frozen():
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p = RenewalPricing(
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base_price=29000,
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servers_price=5000,
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traffic_price=0,
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devices_price=0,
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promo_group_discount=0,
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promo_offer_discount=0,
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final_total=34000,
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period_days=30,
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is_tariff_mode=False,
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)
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assert p.final_total == 34000
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with pytest.raises(AttributeError):
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p.final_total = 0
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class TestApplyDiscount:
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def test_basic_discount(self):
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assert PricingEngine.apply_discount(10000, 20) == 8000
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def test_zero_discount(self):
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assert PricingEngine.apply_discount(10000, 0) == 10000
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def test_full_discount(self):
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assert PricingEngine.apply_discount(10000, 100) == 0
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def test_negative_clamped(self):
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assert PricingEngine.apply_discount(10000, -5) == 10000
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def test_over_100_clamped(self):
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assert PricingEngine.apply_discount(10000, 150) == 0
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def test_integer_floor_division(self):
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assert PricingEngine.apply_discount(99900, 30) == 69930
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class TestStackedDiscounts:
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def test_group_then_offer(self):
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final, g_val, o_val = PricingEngine.apply_stacked_discounts(10000, 20, 10)
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assert final == 7200
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assert g_val == 2000
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assert o_val == 800
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def test_no_discounts(self):
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final, g_val, o_val = PricingEngine.apply_stacked_discounts(10000, 0, 0)
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assert final == 10000
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assert g_val == 0
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assert o_val == 0
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def test_only_offer(self):
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final, g_val, o_val = PricingEngine.apply_stacked_discounts(10000, 0, 15)
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assert final == 8500
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assert g_val == 0
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assert o_val == 1500
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