51 lines
1.7 KiB
Go
51 lines
1.7 KiB
Go
package main
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import (
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"testing"
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"git.tornberg.me/go-cart-actor/pkg/voucher"
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)
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// helper to create a cart grain with items and deliveries
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func newTestCart() *CartGrain {
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return &CartGrain{Items: []*CartItem{}, Deliveries: []*CartDelivery{}, Vouchers: []*voucher.Voucher{}, Notifications: []CartNotification{}}
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}
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func TestCartGrainUpdateTotalsBasic(t *testing.T) {
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c := newTestCart()
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// Item1 price 1250 (ex 1000 vat 250) org price higher -> discount 200 per unit
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item1Price := Price{IncVat: 1250, VatRates: map[float32]int64{25: 250}}
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item1Org := &Price{IncVat: 1500, VatRates: map[float32]int64{25: 300}}
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item2Price := Price{IncVat: 2000, VatRates: map[float32]int64{25: 400}}
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c.Items = []*CartItem{
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{Id: 1, Price: item1Price, OrgPrice: item1Org, Quantity: 2},
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{Id: 2, Price: item2Price, OrgPrice: &item2Price, Quantity: 1},
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}
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deliveryPrice := Price{IncVat: 4900, VatRates: map[float32]int64{25: 980}}
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c.Deliveries = []*CartDelivery{{Id: 1, Price: deliveryPrice, Items: []int{1, 2}}}
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c.UpdateTotals()
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// Expected totals: sum inc vat of items * qty plus delivery
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// item1 total inc = 1250*2 = 2500
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// item2 total inc = 2000*1 = 2000
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// delivery inc = 4900
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expectedInc := int64(2500 + 2000 + 4900)
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if c.TotalPrice.IncVat != expectedInc {
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t.Fatalf("TotalPrice IncVat expected %d got %d", expectedInc, c.TotalPrice.IncVat)
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}
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// Discount: current implementation computes (OrgPrice - Price) ignoring quantity -> 1500-1250=250
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if c.TotalDiscount.IncVat != 250 {
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t.Fatalf("TotalDiscount expected 250 got %d", c.TotalDiscount.IncVat)
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}
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}
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func TestCartGrainUpdateTotalsNoItems(t *testing.T) {
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c := newTestCart()
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c.UpdateTotals()
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if c.TotalPrice.IncVat != 0 || c.TotalDiscount.IncVat != 0 {
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t.Fatalf("expected zero totals got %+v", c)
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}
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}
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