popertots
738f6b6a51
Close the coverage-gap round: terminal CreateCheckout-failure marks the provisional row failed, GetCheckoutStatus reference_id mismatch 400, deadline wire shape, concurrent loyalty redemption 409, delete_guest_user + stale-guest saved-card scrubbing, ValidateAmount and isTokenLike direct units, bounded try-lock timeout, buildSplitRecords tip-overflow, and concurrent same-key dedup for gift card / booking / tip / checkout.
36 lines
1.0 KiB
Go
36 lines
1.0 KiB
Go
//go:build test && dev
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package payments
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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// TestValidateAmount covers the amount validator used by every payment
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// handler: positive and within the £10,000 (1,000,000 pence) cap. Amounts are
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// integer pence, so sub-penny "precision" is impossible by construction.
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func TestValidateAmount(t *testing.T) {
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t.Parallel()
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valid := []int64{1, 500, 10000, 999999, 1000000}
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for _, amount := range valid {
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require.NoErrorf(t, ValidateAmount(amount), "expected %d to be a valid amount", amount)
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}
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invalid := []int64{0, -1, -500, 1000001}
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for _, amount := range invalid {
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require.Errorf(t, ValidateAmount(amount), "expected %d to be rejected", amount)
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}
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// The cap is exclusive: exactly £10,000 (1,000,000 pence) is allowed, one
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// penny more is rejected.
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if err := ValidateAmount(1000001); err == nil {
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t.Error("expected amount above £10,000 cap to be rejected")
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}
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if err := ValidateAmount(1000000); err != nil {
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t.Errorf("expected exactly £10,000 to be allowed, got %v", err)
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}
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}
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