72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
package domain
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import (
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"testing"
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"github.com/shopspring/decimal"
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)
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func TestCurrencyConverter_Convert(t *testing.T) {
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converter := NewCurrencyConverter()
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usd, _ := NewCurrency("USD", "US Dollar", 2)
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btc, _ := NewCurrency("BTC", "Bitcoin", 8)
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eur, _ := NewCurrency("EUR", "Euro", 2)
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tests := []struct {
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name string
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money Money
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rate Rate
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wantErr bool
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wantCode string
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}{
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{
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name: "successful conversion",
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money: func() Money {
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m, _ := NewMoney("100", usd)
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return m
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}(),
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rate: func() Rate {
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r, _ := NewRate(usd, btc, decimal.NewFromFloat(0.00002), "test")
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return r
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}(),
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wantErr: false,
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wantCode: "BTC",
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},
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{
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name: "currency mismatch",
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money: func() Money {
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m, _ := NewMoney("100", eur)
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return m
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}(),
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rate: func() Rate {
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r, _ := NewRate(usd, btc, decimal.NewFromFloat(0.00002), "test")
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return r
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}(),
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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result, err := converter.Convert(tt.money, tt.rate)
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if tt.wantErr {
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if err == nil {
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t.Errorf("Convert() expected error but got none")
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}
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return
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}
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if err != nil {
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t.Errorf("Convert() unexpected error: %v", err)
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return
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}
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if result.Currency.Code != tt.wantCode {
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t.Errorf("Convert() currency = %s, want %s", result.Currency.Code, tt.wantCode)
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}
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})
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}
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}
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