cgalo5758
88db730fcc
Introduce a commercial license option alongside AGPL-3.0-only, require a CLA for contributors, and document the terms in COMMERCIAL.md and NOTICE. Add a script to stamp SPDX headers on Go files and apply it across the tree.
39 lines
1.3 KiB
Go
39 lines
1.3 KiB
Go
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Commercial
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// SPDX-FileCopyrightText: 2025-2026 Christian Galo
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package server
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import "testing"
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// TestFormatCurrency covers finding #12: formatCurrency used to hardcode a
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// "$" prefix regardless of currency and always divided by 100, which is
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// wrong for zero-decimal currencies (e.g. JPY). The fixed formatter must
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// prefix the uppercase ISO-4217 code (no symbol) and only divide by 100 for
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// currencies with a minor unit.
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func TestFormatCurrency(t *testing.T) {
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cases := []struct {
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name string
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amount int32
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currency string
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want string
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}{
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{"usd lowercase code uppercases", 1000, "usd", "USD 10.00"},
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{"usd already uppercase", 1000, "USD", "USD 10.00"},
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{"eur no dollar sign", 1000, "eur", "EUR 10.00"},
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{"sub-dollar amount", 99, "usd", "USD 0.99"},
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{"zero amount", 0, "usd", "USD 0.00"},
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{"jpy zero-decimal not divided by 100", 1000, "jpy", "JPY 1000"},
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{"jpy uppercase input", 500, "JPY", "JPY 500"},
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{"krw zero-decimal", 15000, "krw", "KRW 15000"},
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{"negative amount preserved", -500, "usd", "USD -5.00"},
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}
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for _, tc := range cases {
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t.Run(tc.name, func(t *testing.T) {
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got := formatCurrency(tc.amount, tc.currency)
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if got != tc.want {
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t.Errorf("formatCurrency(%d, %q) = %q, want %q", tc.amount, tc.currency, got, tc.want)
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}
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})
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}
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}
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