forked from TrueCloudLab/neoneo-go
80 lines
2.9 KiB
Go
80 lines
2.9 KiB
Go
package network
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import (
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"testing"
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"time"
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"github.com/nspcc-dev/neo-go/internal/fakechain"
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/stretchr/testify/assert"
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"go.uber.org/zap/zaptest"
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)
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func TestBlockQueue(t *testing.T) {
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chain := fakechain.NewFakeChain()
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// notice, it's not yet running
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bq := newBlockQueue(0, chain, zaptest.NewLogger(t), nil)
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blocks := make([]*block.Block, 11)
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for i := 1; i < 11; i++ {
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blocks[i] = &block.Block{Header: block.Header{Index: uint32(i)}}
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}
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// not the ones expected currently
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for i := 3; i < 5; i++ {
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assert.NoError(t, bq.putBlock(blocks[i]))
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}
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assert.Equal(t, uint32(0), bq.lastQueued())
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// nothing should be put into the blockchain
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assert.Equal(t, uint32(0), chain.BlockHeight())
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assert.Equal(t, 2, bq.length())
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// now added the expected ones (with duplicates)
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for i := 1; i < 5; i++ {
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assert.NoError(t, bq.putBlock(blocks[i]))
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}
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// but they're still not put into the blockchain, because bq isn't running
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assert.Equal(t, uint32(4), bq.lastQueued())
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assert.Equal(t, uint32(0), chain.BlockHeight())
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assert.Equal(t, 4, bq.length())
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// block with too big index is dropped
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assert.NoError(t, bq.putBlock(&block.Block{Header: block.Header{Index: bq.chain.BlockHeight() + blockCacheSize + 1}}))
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assert.Equal(t, 4, bq.length())
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go bq.run()
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// run() is asynchronous, so we need some kind of timeout anyway and this is the simplest one
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assert.Eventually(t, func() bool { return chain.BlockHeight() == 4 }, 4*time.Second, 100*time.Millisecond)
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assert.Equal(t, uint32(4), bq.lastQueued())
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assert.Equal(t, 0, bq.length())
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assert.Equal(t, uint32(4), chain.BlockHeight())
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// put some old blocks
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for i := 1; i < 5; i++ {
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assert.NoError(t, bq.putBlock(blocks[i]))
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}
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assert.Equal(t, uint32(4), bq.lastQueued())
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assert.Equal(t, 0, bq.length())
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assert.Equal(t, uint32(4), chain.BlockHeight())
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// unexpected blocks with run() active
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assert.NoError(t, bq.putBlock(blocks[8]))
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assert.Equal(t, 1, bq.length())
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assert.Equal(t, uint32(4), chain.BlockHeight())
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assert.NoError(t, bq.putBlock(blocks[7]))
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assert.Equal(t, 2, bq.length())
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assert.Equal(t, uint32(4), chain.BlockHeight())
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// sparse put
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assert.NoError(t, bq.putBlock(blocks[10]))
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assert.Equal(t, 3, bq.length())
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assert.Equal(t, uint32(4), chain.BlockHeight())
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assert.NoError(t, bq.putBlock(blocks[6]))
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assert.NoError(t, bq.putBlock(blocks[5]))
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// run() is asynchronous, so we need some kind of timeout anyway and this is the simplest one
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assert.Eventually(t, func() bool { return chain.BlockHeight() == 8 }, 4*time.Second, 100*time.Millisecond)
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assert.Equal(t, uint32(8), bq.lastQueued())
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assert.Equal(t, 1, bq.length())
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assert.Equal(t, uint32(8), chain.BlockHeight())
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bq.discard()
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assert.Equal(t, 0, bq.length())
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}
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// length wraps len access for tests to make them thread-safe.
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func (bq *blockQueue) length() int {
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bq.queueLock.Lock()
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defer bq.queueLock.Unlock()
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return bq.len
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}
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