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64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
package consensus
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import (
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"testing"
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"github.com/nspcc-dev/dbft/payload"
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"github.com/nspcc-dev/neo-go/internal/random"
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"github.com/stretchr/testify/require"
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)
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func TestRelayCache_Add(t *testing.T) {
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const capacity = 3
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payloads := getDifferentPayloads(t, capacity+1)
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c := newFIFOCache(capacity)
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require.Equal(t, 0, c.queue.Len())
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require.Equal(t, 0, len(c.elems))
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for i := 1; i < capacity; i++ {
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c.Add(&payloads[i])
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require.True(t, c.Has(payloads[i].Hash()))
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require.Equal(t, i, c.queue.Len())
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require.Equal(t, i, len(c.elems))
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}
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// add already existing payload
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c.Add(&payloads[1])
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require.Equal(t, capacity-1, c.queue.Len())
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require.Equal(t, capacity-1, len(c.elems))
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c.Add(&payloads[0])
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require.Equal(t, capacity, c.queue.Len())
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require.Equal(t, capacity, len(c.elems))
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// capacity does not exceed maximum
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c.Add(&payloads[capacity])
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require.Equal(t, capacity, c.queue.Len())
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require.Equal(t, capacity, len(c.elems))
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// recent payloads are still present in cache
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require.Equal(t, &payloads[0], c.Get(payloads[0].Hash()))
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for i := 2; i <= capacity; i++ {
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require.Equal(t, &payloads[i], c.Get(payloads[i].Hash()))
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}
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// oldest payload was removed
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require.Equal(t, nil, c.Get(payloads[1].Hash()))
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}
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func getDifferentPayloads(t *testing.T, n int) (payloads []Payload) {
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payloads = make([]Payload, n)
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for i := range payloads {
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var sign [signatureSize]byte
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random.Fill(sign[:])
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payloads[i].message = &message{}
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payloads[i].SetValidatorIndex(uint16(i))
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payloads[i].SetType(payload.MessageType(commitType))
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payloads[i].payload = &commit{
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signature: sign,
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}
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}
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return
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}
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