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
36 lines
962 B
Go
36 lines
962 B
Go
package order
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import (
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"testing"
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"github.com/perfect-panel/server/internal/model/payment"
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)
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func TestCalculateFee_Percent(t *testing.T) {
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p := &payment.Payment{FeeMode: 1, FeePercent: 5}
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if calculateFee(1000, p) != 50 {
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t.Fatal("fee percent 5% of 1000 should be 50")
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}
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}
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func TestCalculateFee_PercentRounding(t *testing.T) {
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p := &payment.Payment{FeeMode: 1, FeePercent: 5}
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if calculateFee(999, p) != 50 { // 999*5% = 49.95 → round to 50
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t.Fatal("fee percent 5% of 999 should round to 50")
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}
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}
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func TestCalculateFee_Fixed(t *testing.T) {
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p := &payment.Payment{FeeMode: 2, FeeAmount: 300}
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if calculateFee(1000, p) != 300 {
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t.Fatal("fixed fee 300 should be 300")
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}
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}
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func TestCalculateFee_Mixed(t *testing.T) {
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p := &payment.Payment{FeeMode: 3, FeePercent: 10, FeeAmount: 100}
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if calculateFee(1000, p) != 200 {
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t.Fatal("mixed fee 10% + 100 of 1000 should be 200")
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}
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}
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