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86 lines
2.0 KiB
86 lines
2.0 KiB
package blocks
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import (
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"bytes"
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"io/ioutil"
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"testing"
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. "github.com/tendermint/tendermint/common"
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)
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func TestBasicPartSet(t *testing.T) {
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// Construct random data of size partSize * 100
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data := RandBytes(partSize * 100)
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partSet := NewPartSetFromData(data)
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if len(partSet.Hash()) == 0 {
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t.Error("Expected to get hash")
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}
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if partSet.Total() != 100 {
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t.Errorf("Expected to get 100 parts, but got %v", partSet.Total())
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}
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if !partSet.IsComplete() {
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t.Errorf("PartSet should be complete")
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}
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// Test adding parts to a new partSet.
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partSet2 := NewPartSetFromHeader(partSet.Header())
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for i := uint16(0); i < partSet.Total(); i++ {
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part := partSet.GetPart(i)
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//t.Logf("\n%v", part)
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added, err := partSet2.AddPart(part)
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if !added || err != nil {
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t.Errorf("Failed to add part %v, error: %v", i, err)
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}
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}
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if !bytes.Equal(partSet.Hash(), partSet2.Hash()) {
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t.Error("Expected to get same hash")
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}
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if partSet2.Total() != 100 {
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t.Errorf("Expected to get 100 parts, but got %v", partSet2.Total())
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}
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if !partSet2.IsComplete() {
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t.Errorf("Reconstructed PartSet should be complete")
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}
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// Reconstruct data, assert that they are equal.
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data2Reader := partSet2.GetReader()
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data2, err := ioutil.ReadAll(data2Reader)
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if err != nil {
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t.Errorf("Error reading data2Reader: %v", err)
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}
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if !bytes.Equal(data, data2) {
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t.Errorf("Got wrong data.")
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}
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}
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func TestWrongTrail(t *testing.T) {
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// Construct random data of size partSize * 100
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data := RandBytes(partSize * 100)
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partSet := NewPartSetFromData(data)
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// Test adding a part with wrong data.
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partSet2 := NewPartSetFromHeader(partSet.Header())
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// Test adding a part with wrong trail.
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part := partSet.GetPart(0)
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part.Trail[0][0] += byte(0x01)
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added, err := partSet2.AddPart(part)
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if added || err == nil {
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t.Errorf("Expected to fail adding a part with bad trail.")
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}
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// Test adding a part with wrong bytes.
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part = partSet.GetPart(1)
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part.Bytes[0] += byte(0x01)
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added, err = partSet2.AddPart(part)
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if added || err == nil {
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t.Errorf("Expected to fail adding a part with bad bytes.")
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}
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}
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