100 lines
2.2 KiB
Go
100 lines
2.2 KiB
Go
// Copyright (C) 2018 Storj Labs, Inc.
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// See LICENSE for copying information.
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package node
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import (
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"context"
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"net"
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"testing"
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"github.com/stretchr/testify/assert"
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"google.golang.org/grpc"
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"storj.io/storj/pkg/kademlia"
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"storj.io/storj/pkg/provider"
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proto "storj.io/storj/protos/overlay"
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)
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var ctx = context.Background()
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func TestLookup(t *testing.T) {
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cases := []struct {
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self proto.Node
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to proto.Node
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find proto.Node
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expectedErr error
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}{
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{
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self: proto.Node{Id: NewNodeID(t), Address: &proto.NodeAddress{Address: ":7070"}},
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to: proto.Node{}, // filled after server has been started
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find: proto.Node{Id: NewNodeID(t), Address: &proto.NodeAddress{Address: ":9090"}},
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expectedErr: nil,
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},
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}
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for _, v := range cases {
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lis, err := net.Listen("tcp", "127.0.0.1:0")
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assert.NoError(t, err)
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v.to = proto.Node{Id: NewNodeID(t), Address: &proto.NodeAddress{Address: lis.Addr().String()}}
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srv, mock, err := newTestServer(ctx)
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assert.NoError(t, err)
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go srv.Serve(lis)
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defer srv.Stop()
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ca, err := provider.NewCA(ctx, 12, 4)
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assert.NoError(t, err)
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identity, err := ca.NewIdentity()
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assert.NoError(t, err)
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nc, err := NewNodeClient(identity, v.self)
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assert.NoError(t, err)
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_, err = nc.Lookup(ctx, v.to, v.find)
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assert.Equal(t, v.expectedErr, err)
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assert.Equal(t, 1, mock.queryCalled)
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}
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}
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func newTestServer(ctx context.Context) (*grpc.Server, *mockNodeServer, error) {
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ca, err := provider.NewCA(ctx, 12, 4)
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if err != nil {
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return nil, nil, err
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}
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identity, err := ca.NewIdentity()
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if err != nil {
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return nil, nil, err
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}
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identOpt, err := identity.ServerOption()
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if err != nil {
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return nil, nil, err
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}
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grpcServer := grpc.NewServer(identOpt)
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mn := &mockNodeServer{queryCalled: 0}
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proto.RegisterNodesServer(grpcServer, mn)
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return grpcServer, mn, nil
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}
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type mockNodeServer struct {
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queryCalled int
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}
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func (mn *mockNodeServer) Query(ctx context.Context, req *proto.QueryRequest) (*proto.QueryResponse, error) {
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mn.queryCalled++
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return &proto.QueryResponse{}, nil
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}
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// NewNodeID returns the string representation of a dht node ID
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func NewNodeID(t *testing.T) string {
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id, err := kademlia.NewID()
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assert.NoError(t, err)
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return id.String()
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}
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