40 lines
1.8 KiB
Go
40 lines
1.8 KiB
Go
 
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package processor
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestComputePointPaymentLimits(t *testing.T) {
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for name, c := range map[string]struct {
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total, paid, paidWithPoints float64
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percent, value, balance int64
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wantRemaining, wantMax int64
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}{
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// The F9 example: Rp 87.550 left, 50.000 EnakPoint, 100%, Rp 1 a point.
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"PRD example": {87550, 0, 0, 100, 1, 50000, 8755000, 50000},
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"balance covers it all": {87550, 0, 0, 100, 1, 100000, 8755000, 87550},
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"part already paid": {100000, 30000, 0, 100, 1, 100000, 7000000, 70000},
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"capped by percent": {100000, 0, 0, 50, 1, 100000, 10000000, 50000},
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"percent counts EnakPoint already used": {100000, 20000, 20000, 50, 1, 100000, 8000000, 30000},
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"percent cap already used": {100000, 50000, 50000, 50, 1, 100000, 5000000, 0},
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"point worth more than Rp 1": {87550, 0, 0, 100, 100, 1000, 8755000, 875},
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"nothing left": {50000, 50000, 0, 100, 1, 100000, 0, 0},
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"overpaid": {50000, 60000, 0, 100, 1, 100000, 0, 0},
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"no balance": {50000, 0, 0, 100, 1, 0, 5000000, 0},
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"cents left over": {10000.50, 0, 0, 100, 1, 100000, 1000050, 10000},
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} {
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got := computePointPaymentLimits(c.total, c.paid, c.paidWithPoints, c.percent, c.value, c.balance)
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assert.Equal(t, c.wantRemaining, got.RemainingCents, name)
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assert.Equal(t, c.wantMax, got.MaxPoints, name)
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assert.LessOrEqual(t, got.MaxPoints*c.value*100, got.RemainingCents, "%s: never more than what is left", name)
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}
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}
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func TestFormatRupiah(t *testing.T) {
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for n, want := range map[int64]string{0: "0", 999: "999", 1000: "1.000", 50000: "50.000", 1234567: "1.234.567"} {
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assert.Equal(t, want, formatRupiah(n))
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}
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}
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