mirror of
https://github.com/aljazceru/lspd.git
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42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
package lsps2
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func Test_FeeVariant(t *testing.T) {
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zero := uint64(0)
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tests := []struct {
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paymentSizeMsat uint64
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proportional uint32
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minFeeMsat uint64
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err error
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expected uint64
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}{
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{proportional: 0, paymentSizeMsat: 0, minFeeMsat: 0, expected: 0},
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{proportional: 0, paymentSizeMsat: 0, minFeeMsat: 1, expected: 1},
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{proportional: 1, paymentSizeMsat: 1, minFeeMsat: 0, expected: 1},
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{proportional: 1000, paymentSizeMsat: 10_000_000, minFeeMsat: 9999, expected: 10000},
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{proportional: 1000, paymentSizeMsat: 10_000_000, minFeeMsat: 10000, expected: 10000},
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{proportional: 1000, paymentSizeMsat: 10_000_000, minFeeMsat: 10001, expected: 10001},
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{proportional: 1, paymentSizeMsat: zero - 999_999, minFeeMsat: 0, err: ErrOverflow},
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{proportional: 1, paymentSizeMsat: zero - 1_000_000, minFeeMsat: 0, expected: 18446744073709},
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{proportional: 2, paymentSizeMsat: zero - 1_000_000, minFeeMsat: 0, err: ErrOverflow},
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}
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for _, tst := range tests {
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t.Run(
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fmt.Sprintf("ps%d_prop%d_min%d", tst.paymentSizeMsat, tst.proportional, tst.minFeeMsat),
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func(t *testing.T) {
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res, err := computeOpeningFee(tst.paymentSizeMsat, tst.proportional, tst.minFeeMsat)
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assert.Equal(t, tst.expected, res)
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assert.Equal(t, tst.err, err)
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},
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)
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}
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}
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