neo-go/pkg/network/blockqueue_test.go
Roman Khimov c531dc0bde network: add block queue
This one will replace blockCache in Blockchain itself as it can and should be
external from it. The idea is that we only feed successive blocks into the
Blockchain and it only stores valid proper Blockchain and nothing else.
2019-09-27 13:00:09 +03:00

71 lines
2.1 KiB
Go

package network
import (
"testing"
"time"
"github.com/CityOfZion/neo-go/pkg/core"
"github.com/stretchr/testify/assert"
)
func TestBlockQueue(t *testing.T) {
chain := &testChain{}
// notice, it's not yet running
bq := newBlockQueue(0, chain)
blocks := make([]*core.Block, 11)
for i := 1; i < 11; i++ {
blocks[i] = &core.Block{BlockBase: core.BlockBase{Index: uint32(i)}}
}
// not the ones expected currently
for i := 3; i < 5; i++ {
assert.NoError(t, bq.putBlock(blocks[i]))
}
// nothing should be put into the blockchain
assert.Equal(t, uint32(0), chain.BlockHeight())
assert.Equal(t, 2, bq.length())
// now added expected ones (with duplicates)
for i := 1; i < 5; i++ {
assert.NoError(t, bq.putBlock(blocks[i]))
}
// but they're still not put into the blockchain, because bq isn't running
assert.Equal(t, uint32(0), chain.BlockHeight())
assert.Equal(t, 4, bq.length())
go bq.run()
// run() is asynchronous, so we need some kind of timeout anyway and this is the simplest one
for i := 0; i < 5; i++ {
if chain.BlockHeight() != 4 {
time.Sleep(time.Second)
}
}
assert.Equal(t, 0, bq.length())
assert.Equal(t, uint32(4), chain.BlockHeight())
// put some old blocks
for i := 1; i < 5; i++ {
assert.NoError(t, bq.putBlock(blocks[i]))
}
assert.Equal(t, 0, bq.length())
assert.Equal(t, uint32(4), chain.BlockHeight())
// unexpected blocks with run() active
assert.NoError(t, bq.putBlock(blocks[8]))
assert.Equal(t, 1, bq.length())
assert.Equal(t, uint32(4), chain.BlockHeight())
assert.NoError(t, bq.putBlock(blocks[7]))
assert.Equal(t, 2, bq.length())
assert.Equal(t, uint32(4), chain.BlockHeight())
// sparse put
assert.NoError(t, bq.putBlock(blocks[10]))
assert.Equal(t, 3, bq.length())
assert.Equal(t, uint32(4), chain.BlockHeight())
assert.NoError(t, bq.putBlock(blocks[6]))
assert.NoError(t, bq.putBlock(blocks[5]))
// run() is asynchronous, so we need some kind of timeout anyway and this is the simplest one
for i := 0; i < 5; i++ {
if chain.BlockHeight() != 8 {
time.Sleep(time.Second)
}
}
assert.Equal(t, 1, bq.length())
assert.Equal(t, uint32(8), chain.BlockHeight())
bq.discard()
assert.Equal(t, 0, bq.length())
}