shanshanzhong
9987bd43fa
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统一处理百分比和系数两种折扣输入方式，增加边界保护 在金额计算中使用math.Round进行四舍五入处理 添加相关单元测试确保计算准确性
32 lines
830 B
Go
32 lines
830 B
Go
package order
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import (
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"testing"
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"github.com/perfect-panel/server/internal/types"
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)
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func TestGetDiscount_Coefficient(t *testing.T) {
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discounts := []types.SubscribeDiscount{{Quantity: 7, Discount: 0.95}}
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got := getDiscount(discounts, 7)
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if got != 0.95 {
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t.Fatalf("expected 0.95, got %v", got)
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}
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}
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func TestGetDiscount_Percentage(t *testing.T) {
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discounts := []types.SubscribeDiscount{{Quantity: 7, Discount: 95}}
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got := getDiscount(discounts, 7)
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if got != 0.95 {
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t.Fatalf("expected 0.95 from 95%%, got %v", got)
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}
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}
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func TestGetDiscount_InvalidOver100(t *testing.T) {
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discounts := []types.SubscribeDiscount{{Quantity: 7, Discount: 120}}
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got := getDiscount(discounts, 7)
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if got != 1.0 {
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t.Fatalf("expected 1.0 when invalid >100, got %v", got)
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}
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}
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