neo-go/pkg/network/bqueue/queue_test.go
2023-03-15 17:37:47 +03:00

90 lines
3.1 KiB
Go

package bqueue
import (
"testing"
"time"
"github.com/nspcc-dev/neo-go/internal/fakechain"
"github.com/nspcc-dev/neo-go/pkg/core/block"
"github.com/stretchr/testify/assert"
"go.uber.org/zap/zaptest"
)
func TestBlockQueue(t *testing.T) {
chain := fakechain.NewFakeChain()
// notice, it's not yet running
bq := New(chain, zaptest.NewLogger(t), nil, nil)
blocks := make([]*block.Block, 11)
for i := 1; i < 11; i++ {
blocks[i] = &block.Block{Header: block.Header{Index: uint32(i)}}
}
// not the ones expected currently
for i := 3; i < 5; i++ {
assert.NoError(t, bq.PutBlock(blocks[i]))
}
last, capLeft := bq.LastQueued()
assert.Equal(t, uint32(0), last)
assert.Equal(t, CacheSize-2, capLeft)
// nothing should be put into the blockchain
assert.Equal(t, uint32(0), chain.BlockHeight())
assert.Equal(t, 2, bq.length())
// now added the 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
last, capLeft = bq.LastQueued()
assert.Equal(t, uint32(4), last)
assert.Equal(t, CacheSize-4, capLeft)
assert.Equal(t, uint32(0), chain.BlockHeight())
assert.Equal(t, 4, bq.length())
// block with too big index is dropped
assert.NoError(t, bq.PutBlock(&block.Block{Header: block.Header{Index: bq.chain.BlockHeight() + CacheSize + 1}}))
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
assert.Eventually(t, func() bool { return chain.BlockHeight() == 4 }, 4*time.Second, 100*time.Millisecond)
last, capLeft = bq.LastQueued()
assert.Equal(t, uint32(4), last)
assert.Equal(t, CacheSize, capLeft)
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]))
}
last, capLeft = bq.LastQueued()
assert.Equal(t, uint32(4), last)
assert.Equal(t, CacheSize, capLeft)
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
assert.Eventually(t, func() bool { return chain.BlockHeight() == 8 }, 4*time.Second, 100*time.Millisecond)
last, capLeft = bq.LastQueued()
assert.Equal(t, uint32(8), last)
assert.Equal(t, CacheSize-1, capLeft)
assert.Equal(t, 1, bq.length())
assert.Equal(t, uint32(8), chain.BlockHeight())
bq.Discard()
assert.Equal(t, 0, bq.length())
}
// length wraps len access for tests to make them thread-safe.
func (bq *Queue) length() int {
bq.queueLock.Lock()
defer bq.queueLock.Unlock()
return bq.len
}