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any-sync/net/pool/pool_test.go
AnastasiaShemyakinskaya a3c50a46de
GO-2828: add more fields
Signed-off-by: AnastasiaShemyakinskaya <shem98a@mail.ru>
2024-10-10 11:43:43 +02:00

449 lines
11 KiB
Go

package pool
import (
"context"
"errors"
"fmt"
net2 "net"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"storj.io/drpc"
"github.com/anyproto/any-sync/app"
"github.com/anyproto/any-sync/net"
"github.com/anyproto/any-sync/net/peer"
"github.com/anyproto/any-sync/net/secureservice/handshake"
)
var ctx = context.Background()
func TestPool_Get(t *testing.T) {
t.Run("dial error", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
var expErr = errors.New("dial error")
fx.Dialer.dial = func(ctx context.Context, peerId string) (peer peer.Peer, err error) {
return nil, expErr
}
p, err := fx.Get(ctx, "1")
assert.Nil(t, p)
assert.EqualError(t, err, expErr.Error())
})
t.Run("dial and cached", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
fx.Dialer.dial = func(ctx context.Context, peerId string) (peer peer.Peer, err error) {
return newTestPeer("1", time.Now(), 0, 0), nil
}
p, err := fx.Get(ctx, "1")
assert.NoError(t, err)
assert.NotNil(t, p)
fx.Dialer.dial = nil
p, err = fx.Get(ctx, "1")
assert.NoError(t, err)
assert.NotNil(t, p)
})
t.Run("retry for closed", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
tp := newTestPeer("1", time.Now(), 0, 0)
fx.Dialer.dial = func(ctx context.Context, peerId string) (peer peer.Peer, err error) {
return tp, nil
}
p, err := fx.Get(ctx, "1")
assert.NoError(t, err)
assert.NotNil(t, p)
p.Close()
tp2 := newTestPeer("1", time.Now(), 0, 0)
fx.Dialer.dial = func(ctx context.Context, peerId string) (peer peer.Peer, err error) {
return tp2, nil
}
p, err = fx.Get(ctx, "1")
assert.NoError(t, err)
assert.Equal(t, p, tp2)
})
}
func TestPool_GetOneOf(t *testing.T) {
addToCache := func(t *testing.T, fx *fixture, tp *testPeer) {
fx.Dialer.dial = func(ctx context.Context, peerId string) (peer peer.Peer, err error) {
return tp, nil
}
gp, err := fx.Get(ctx, tp.Id())
require.NoError(t, err)
require.Equal(t, gp, tp)
}
t.Run("from cache", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
tp1 := newTestPeer("1", time.Now(), 0, 0)
addToCache(t, fx, tp1)
p, err := fx.GetOneOf(ctx, []string{"3", "2", "1"})
require.NoError(t, err)
assert.Equal(t, tp1, p)
})
t.Run("from cache - skip closed", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
tp2 := newTestPeer("2", time.Now(), 0, 0)
addToCache(t, fx, tp2)
tp2.Close()
tp1 := newTestPeer("1", time.Now(), 0, 0)
addToCache(t, fx, tp1)
p, err := fx.GetOneOf(ctx, []string{"3", "2", "1"})
require.NoError(t, err)
assert.Equal(t, tp1, p)
})
t.Run("dial", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
var called bool
fx.Dialer.dial = func(ctx context.Context, peerId string) (peer peer.Peer, err error) {
if called {
return nil, fmt.Errorf("not expected call")
}
called = true
return newTestPeer(peerId, time.Now(), 0, 0), nil
}
p, err := fx.GetOneOf(ctx, []string{"3", "2", "1"})
require.NoError(t, err)
assert.NotNil(t, p)
})
t.Run("unable to connect", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
fx.Dialer.dial = func(ctx context.Context, peerId string) (peer peer.Peer, err error) {
return nil, fmt.Errorf("persistent error")
}
p, err := fx.GetOneOf(ctx, []string{"3", "2", "1"})
assert.Equal(t, net.ErrUnableToConnect, err)
assert.Nil(t, p)
})
t.Run("handshake error", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
fx.Dialer.dial = func(ctx context.Context, peerId string) (peer peer.Peer, err error) {
return nil, handshake.ErrIncompatibleVersion
}
p, err := fx.GetOneOf(ctx, []string{"3", "2", "1"})
assert.Equal(t, handshake.ErrIncompatibleVersion, err)
assert.Nil(t, p)
})
}
func TestPool_AddPeer(t *testing.T) {
t.Run("success", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
require.NoError(t, fx.AddPeer(ctx, newTestPeer("p1", time.Now(), 0, 0)))
})
t.Run("two peers", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
p1, p2 := newTestPeer("p1", time.Now(), 0, 0), newTestPeer("p1", time.Now(), 0, 0)
require.NoError(t, fx.AddPeer(ctx, p1))
require.NoError(t, fx.AddPeer(ctx, p2))
select {
case <-p1.closed:
default:
assert.Truef(t, false, "peer not closed")
}
})
}
func TestPool_Pick(t *testing.T) {
t.Run("not exist", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
p, err := fx.Pick(ctx, "1")
assert.Nil(t, p)
assert.NotNil(t, err)
})
t.Run("success", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
p1 := newTestPeer("p1", time.Now(), 0, 0)
require.NoError(t, fx.AddPeer(ctx, p1))
p, err := fx.Pick(ctx, "p1")
assert.NotNil(t, p)
assert.Equal(t, p1, p)
assert.Nil(t, err)
})
t.Run("peer is closed", func(t *testing.T) {
fx := newFixture(t)
defer fx.Finish()
p1 := newTestPeer("p1", time.Now(), 0, 0)
require.NoError(t, fx.AddPeer(ctx, p1))
require.NoError(t, p1.Close())
p, err := fx.Pick(ctx, "p1")
assert.Nil(t, p)
assert.NotNil(t, err)
})
}
func TestProvideStat_NoPeers(t *testing.T) {
t.Run("only incoming peers", func(t *testing.T) {
// given
fx := newFixture(t)
defer fx.Finish()
created := time.Now()
p1 := newTestPeer("p1", created, 1, 1)
require.NoError(t, fx.AddPeer(ctx, p1))
statProvider, ok := fx.Service.(*poolService)
assert.True(t, ok)
// when
stat := statProvider.ProvideStat()
// then
assert.NotNil(t, stat)
poolStat, ok := stat.(*poolStats)
assert.True(t, ok)
assert.Len(t, poolStat.PeerStats, 1)
assert.Equal(t, p1.id, poolStat.PeerStats[0].PeerId)
assert.Equal(t, p1.created, poolStat.PeerStats[0].Created)
assert.Equal(t, p1.subConnections, poolStat.PeerStats[0].SubConnections)
assert.Equal(t, p1.version, poolStat.PeerStats[0].Version)
})
t.Run("outgoing and incoming peers", func(t *testing.T) {
// given
fx := newFixture(t)
defer fx.Finish()
created := time.Now()
created1 := time.Now()
p1 := newTestPeer("p1", created, 2, 2)
require.NoError(t, fx.AddPeer(ctx, p1))
fx.Dialer.dial = func(ctx context.Context, peerId string) (peer peer.Peer, err error) {
return newTestPeer(peerId, created1, 0, 0), nil
}
peerId := "p2"
_, err := fx.Get(ctx, peerId)
require.NoError(t, err)
statProvider, ok := fx.Service.(*poolService)
assert.True(t, ok)
// when
stat := statProvider.ProvideStat()
// then
assert.NotNil(t, stat)
poolStat, ok := stat.(*poolStats)
assert.True(t, ok)
assert.Len(t, poolStat.PeerStats, 2)
assert.Equal(t, peerId, poolStat.PeerStats[0].PeerId)
assert.Equal(t, created1, poolStat.PeerStats[0].Created)
assert.Equal(t, 0, poolStat.PeerStats[0].SubConnections)
assert.Equal(t, uint32(0), poolStat.PeerStats[0].Version)
assert.Equal(t, p1.id, poolStat.PeerStats[1].PeerId)
assert.Equal(t, p1.created, poolStat.PeerStats[1].Created)
assert.Equal(t, p1.subConnections, poolStat.PeerStats[1].SubConnections)
assert.Equal(t, p1.version, poolStat.PeerStats[1].Version)
})
t.Run("only outcoming peers", func(t *testing.T) {
// given
peerId := "p1"
fx := newFixture(t)
defer fx.Finish()
created := time.Now()
subConn := 3
version := uint32(2)
fx.Dialer.dial = func(ctx context.Context, peerId string) (peer peer.Peer, err error) {
return newTestPeer(peerId, created, subConn, version), nil
}
_, err := fx.Get(ctx, peerId)
require.NoError(t, err)
statProvider, ok := fx.Service.(*poolService)
assert.True(t, ok)
// when
stat := statProvider.ProvideStat()
// then
assert.NotNil(t, stat)
poolStat, ok := stat.(*poolStats)
assert.True(t, ok)
assert.Len(t, poolStat.PeerStats, 1)
assert.Equal(t, peerId, poolStat.PeerStats[0].PeerId)
assert.Equal(t, created, poolStat.PeerStats[0].Created)
assert.Equal(t, subConn, poolStat.PeerStats[0].SubConnections)
assert.Equal(t, version, poolStat.PeerStats[0].Version)
})
t.Run("no peers", func(t *testing.T) {
// given
fx := newFixture(t)
defer fx.Finish()
statProvider, ok := fx.Service.(*poolService)
assert.True(t, ok)
// when
stat := statProvider.ProvideStat()
// then
assert.NotNil(t, stat)
poolStat, ok := stat.(*poolStats)
assert.True(t, ok)
assert.Len(t, poolStat.PeerStats, 0)
})
}
func newFixture(t *testing.T) *fixture {
fx := &fixture{
Service: New(),
Dialer: &dialerMock{},
}
a := new(app.App)
a.Register(fx.Service)
a.Register(fx.Dialer)
require.NoError(t, a.Start(context.Background()))
fx.a = a
fx.t = t
return fx
}
func (fx *fixture) Finish() {
require.NoError(fx.t, fx.a.Close(context.Background()))
}
type fixture struct {
Service
Dialer *dialerMock
a *app.App
t *testing.T
}
var _ dialer = (*dialerMock)(nil)
type dialerMock struct {
dial func(ctx context.Context, peerId string) (peer peer.Peer, err error)
}
func (d *dialerMock) Dial(ctx context.Context, peerId string) (peer peer.Peer, err error) {
return d.dial(ctx, peerId)
}
func (d *dialerMock) UpdateAddrs(addrs map[string][]string) {
return
}
func (d *dialerMock) SetPeerAddrs(peerId string, addrs []string) {
return
}
func (d *dialerMock) Init(a *app.App) (err error) {
return
}
func (d *dialerMock) Name() (name string) {
return "net.peerservice"
}
func newTestPeer(id string, created time.Time, subConnections int, version uint32) *testPeer {
return &testPeer{
id: id,
closed: make(chan struct{}),
created: created,
subConnections: subConnections,
version: version,
}
}
type testPeer struct {
id string
closed chan struct{}
created time.Time
subConnections int
version uint32
}
func (t *testPeer) ProvideStat() *peer.Stat {
return &peer.Stat{
PeerId: t.id,
Created: t.created,
SubConnections: t.subConnections,
Version: t.version,
}
}
func (t *testPeer) SetTTL(ttl time.Duration) {
return
}
func (t *testPeer) DoDrpc(ctx context.Context, do func(conn drpc.Conn) error) error {
return fmt.Errorf("not implemented")
}
func (t *testPeer) AcquireDrpcConn(ctx context.Context) (drpc.Conn, error) {
return nil, fmt.Errorf("not implemented")
}
func (t *testPeer) ReleaseDrpcConn(conn drpc.Conn) {}
func (t *testPeer) Context() context.Context {
//TODO implement me
panic("implement me")
}
func (t *testPeer) Accept() (conn net2.Conn, err error) {
//TODO implement me
panic("implement me")
}
func (t *testPeer) Open(ctx context.Context) (conn net2.Conn, err error) {
//TODO implement me
panic("implement me")
}
func (t *testPeer) Addr() string {
return ""
}
func (t *testPeer) Id() string {
return t.id
}
func (t *testPeer) TryClose(objectTTL time.Duration) (res bool, err error) {
return true, t.Close()
}
func (t *testPeer) Close() error {
select {
case <-t.closed:
return fmt.Errorf("already closed")
default:
close(t.closed)
}
return nil
}
func (t *testPeer) IsClosed() bool {
select {
case <-t.closed:
return true
default:
return false
}
}
func (t *testPeer) CloseChan() <-chan struct{} {
return t.closed
}