storj/pkg/overlay/client_test.go
Egon Elbre b6b6111173
Flatten proto definitions into a single package (#360)
* protos: move streams to pb
* protos: move overlay to pb
* protos: move pointerdb to pb
* protos: move piecestore to pb
* fix statdb import naming
2018-09-18 07:39:06 +03:00

324 lines
7.2 KiB
Go

// Copyright (C) 2018 Storj Labs, Inc.
// See LICENSE for copying information.
package overlay
import (
"context"
"net"
"testing"
"github.com/stretchr/testify/assert"
"github.com/zeebo/errs"
"google.golang.org/grpc"
"storj.io/storj/pkg/dht"
"storj.io/storj/pkg/kademlia"
"storj.io/storj/pkg/pb"
"storj.io/storj/pkg/provider"
"storj.io/storj/storage/redis/redisserver"
)
type mockNodeID struct {
}
func (m mockNodeID) String() string {
return "foobar"
}
func (m mockNodeID) Bytes() []byte {
return []byte("foobar")
}
func TestNewOverlayClient(t *testing.T) {
cases := []struct {
address string
}{
{
address: "127.0.0.1:8080",
},
}
for _, v := range cases {
ca, err := provider.NewCA(ctx, 12, 4)
assert.NoError(t, err)
identity, err := ca.NewIdentity()
assert.NoError(t, err)
oc, err := NewOverlayClient(identity, v.address)
assert.NoError(t, err)
assert.NotNil(t, oc)
assert.NotEmpty(t, oc.client)
}
}
func TestChoose(t *testing.T) {
cases := []struct {
limit int
space int64
expectedCalls int
}{
{
limit: 50,
space: 100,
expectedCalls: 1,
},
}
for _, v := range cases {
lis, err := net.Listen("tcp", "127.0.0.1:0")
assert.NoError(t, err)
srv, mock, err := newTestServer(ctx)
assert.NoError(t, err)
go func() { assert.NoError(t, srv.Serve(lis)) }()
defer srv.Stop()
ca, err := provider.NewCA(ctx, 12, 4)
assert.NoError(t, err)
identity, err := ca.NewIdentity()
assert.NoError(t, err)
oc, err := NewOverlayClient(identity, lis.Addr().String())
assert.NoError(t, err)
assert.NotNil(t, oc)
assert.NotEmpty(t, oc.client)
_, err = oc.Choose(ctx, v.limit, v.space)
assert.NoError(t, err)
assert.Equal(t, mock.FindStorageNodesCalled, v.expectedCalls)
}
}
func TestLookup(t *testing.T) {
cases := []struct {
nodeID dht.NodeID
expectedCalls int
}{
{
nodeID: mockNodeID{},
expectedCalls: 1,
},
}
for _, v := range cases {
lis, err := net.Listen("tcp", "127.0.0.1:0")
assert.NoError(t, err)
srv, mock, err := newTestServer(ctx)
assert.NoError(t, err)
go func() { assert.NoError(t, srv.Serve(lis)) }()
defer srv.Stop()
ca, err := provider.NewCA(ctx, 12, 4)
assert.NoError(t, err)
identity, err := ca.NewIdentity()
assert.NoError(t, err)
oc, err := NewOverlayClient(identity, lis.Addr().String())
assert.NoError(t, err)
assert.NotNil(t, oc)
assert.NotEmpty(t, oc.client)
_, err = oc.Lookup(ctx, v.nodeID)
assert.NoError(t, err)
assert.Equal(t, mock.lookupCalled, v.expectedCalls)
}
}
func TestBulkLookup(t *testing.T) {
cases := []struct {
nodeIDs []dht.NodeID
expectedCalls int
}{
{
nodeIDs: []dht.NodeID{mockNodeID{}, mockNodeID{}, mockNodeID{}},
expectedCalls: 1,
},
}
for _, v := range cases {
lis, err := net.Listen("tcp", "127.0.0.1:0")
assert.NoError(t, err)
srv, mock, err := newTestServer(ctx)
assert.NoError(t, err)
go func() { assert.NoError(t, srv.Serve(lis)) }()
defer srv.Stop()
ca, err := provider.NewCA(ctx, 12, 4)
assert.NoError(t, err)
identity, err := ca.NewIdentity()
assert.NoError(t, err)
oc, err := NewOverlayClient(identity, lis.Addr().String())
assert.NoError(t, err)
assert.NotNil(t, oc)
assert.NotEmpty(t, oc.client)
_, err = oc.BulkLookup(ctx, v.nodeIDs)
assert.NoError(t, err)
assert.Equal(t, mock.bulkLookupCalled, v.expectedCalls)
}
}
func TestBulkLookupV2(t *testing.T) {
redisAddr, cleanup, err := redisserver.Start()
if err != nil {
t.Fatal(err)
}
defer cleanup()
lis, err := net.Listen("tcp", "127.0.0.1:0")
assert.NoError(t, err)
srv, s, err := newServer(ctx, redisAddr)
assert.NoError(t, err)
go func() { assert.NoError(t, srv.Serve(lis)) }()
defer srv.Stop()
ca, err := provider.NewCA(ctx, 12, 4)
assert.NoError(t, err)
identity, err := ca.NewIdentity()
assert.NoError(t, err)
oc, err := NewOverlayClient(identity, lis.Addr().String())
assert.NoError(t, err)
assert.NotNil(t, oc)
assert.NotEmpty(t, oc.client)
n1 := &pb.Node{Id: "n1"}
n2 := &pb.Node{Id: "n2"}
n3 := &pb.Node{Id: "n3"}
nodes := []*pb.Node{n1, n2, n3}
for _, n := range nodes {
assert.NoError(t, s.cache.Put(n.Id, *n))
}
cases := []struct {
testID string
nodeIDs []dht.NodeID
responses []*pb.Node
errors *errs.Class
}{
{testID: "empty id",
nodeIDs: []dht.NodeID{},
responses: nil,
errors: &ClientError,
},
{testID: "valid ids",
nodeIDs: func() []dht.NodeID {
id1 := kademlia.StringToNodeID("n1")
id2 := kademlia.StringToNodeID("n2")
id3 := kademlia.StringToNodeID("n3")
return []dht.NodeID{id1, id2, id3}
}(),
responses: nodes,
errors: nil,
},
{testID: "missing ids",
nodeIDs: func() []dht.NodeID {
id1 := kademlia.StringToNodeID("n4")
id2 := kademlia.StringToNodeID("n5")
return []dht.NodeID{id1, id2}
}(),
responses: []*pb.Node{nil, nil},
errors: nil,
},
{testID: "random order and nil",
nodeIDs: func() []dht.NodeID {
id1 := kademlia.StringToNodeID("n1")
id2 := kademlia.StringToNodeID("n2")
id3 := kademlia.StringToNodeID("n3")
id4 := kademlia.StringToNodeID("n4")
return []dht.NodeID{id2, id1, id3, id4}
}(),
responses: func() []*pb.Node {
return []*pb.Node{nodes[1], nodes[0], nodes[2], nil}
}(),
errors: nil,
},
}
for _, c := range cases {
t.Run(c.testID, func(t *testing.T) {
ns, err := oc.BulkLookup(ctx, c.nodeIDs)
assertErrClass(t, c.errors, err)
assert.Equal(t, c.responses, ns)
})
}
}
func newServer(ctx context.Context, redisAddr string) (*grpc.Server, *Server, error) {
ca, err := provider.NewCA(ctx, 12, 4)
if err != nil {
return nil, nil, err
}
identity, err := ca.NewIdentity()
if err != nil {
return nil, nil, err
}
identOpt, err := identity.ServerOption()
if err != nil {
return nil, nil, err
}
grpcServer := grpc.NewServer(identOpt)
cache, err := NewRedisOverlayCache(redisAddr, "", 1, nil)
if err != nil {
return nil, nil, err
}
s := &Server{cache: cache}
pb.RegisterOverlayServer(grpcServer, s)
return grpcServer, s, nil
}
func newTestServer(ctx context.Context) (*grpc.Server, *mockOverlayServer, error) {
ca, err := provider.NewCA(ctx, 12, 4)
if err != nil {
return nil, nil, err
}
identity, err := ca.NewIdentity()
if err != nil {
return nil, nil, err
}
identOpt, err := identity.ServerOption()
if err != nil {
return nil, nil, err
}
grpcServer := grpc.NewServer(identOpt)
mo := &mockOverlayServer{lookupCalled: 0, FindStorageNodesCalled: 0}
pb.RegisterOverlayServer(grpcServer, mo)
return grpcServer, mo, nil
}
type mockOverlayServer struct {
lookupCalled int
bulkLookupCalled int
FindStorageNodesCalled int
}
func (o *mockOverlayServer) Lookup(ctx context.Context, req *pb.LookupRequest) (*pb.LookupResponse, error) {
o.lookupCalled++
return &pb.LookupResponse{}, nil
}
func (o *mockOverlayServer) FindStorageNodes(ctx context.Context, req *pb.FindStorageNodesRequest) (*pb.FindStorageNodesResponse, error) {
o.FindStorageNodesCalled++
return &pb.FindStorageNodesResponse{}, nil
}
func (o *mockOverlayServer) BulkLookup(ctx context.Context, reqs *pb.LookupRequests) (*pb.LookupResponses, error) {
o.bulkLookupCalled++
return &pb.LookupResponses{}, nil
}