a541fbea18
* Simplify peer known block/txns cache * Address minor changes * Add more minor comments * Minor changes from review
89 lines
2.5 KiB
Go
89 lines
2.5 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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// This file contains some shares testing functionality, common to multiple
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// different files and modules being tested.
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package eth
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import (
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"crypto/rand"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/enode"
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)
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// testPeer is a simulated peer to allow testing direct network calls.
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type testPeer struct {
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*Peer
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net p2p.MsgReadWriter // Network layer reader/writer to simulate remote messaging
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app *p2p.MsgPipeRW // Application layer reader/writer to simulate the local side
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}
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// newTestPeer creates a new peer registered at the given data backend.
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func newTestPeer(name string, version uint, backend Backend) (*testPeer, <-chan error) {
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// Create a message pipe to communicate through
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app, net := p2p.MsgPipe()
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// Start the peer on a new thread
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var id enode.ID
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rand.Read(id[:])
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peer := NewPeer(version, p2p.NewPeer(id, name, nil), net, backend.TxPool())
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errc := make(chan error, 1)
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go func() {
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errc <- backend.RunPeer(peer, func(peer *Peer) error {
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return Handle(backend, peer)
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})
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}()
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return &testPeer{app: app, net: net, Peer: peer}, errc
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}
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// close terminates the local side of the peer, notifying the remote protocol
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// manager of termination.
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func (p *testPeer) close() {
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p.Peer.Close()
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p.app.Close()
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}
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func TestPeerSet(t *testing.T) {
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size := 5
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s := newKnownCache(size)
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// add 10 items
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for i := 0; i < size*2; i++ {
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s.Add(common.Hash{byte(i)})
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}
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if s.Cardinality() != size {
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t.Fatalf("wrong size, expected %d but found %d", size, s.Cardinality())
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}
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vals := []common.Hash{}
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for i := 10; i < 20; i++ {
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vals = append(vals, common.Hash{byte(i)})
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}
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// add item in batch
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s.Add(vals...)
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if s.Cardinality() < size {
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t.Fatalf("bad size")
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}
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}
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