372 lines
10 KiB
Go
372 lines
10 KiB
Go
// Copyright (C) 2018 Storj Labs, Inc.
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// See LICENSE for copying information.
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package ecclient
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import (
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"context"
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"testing"
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"time"
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"github.com/golang/mock/gomock"
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"github.com/stretchr/testify/assert"
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"github.com/vivint/infectious"
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"storj.io/storj/pkg/eestream"
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"storj.io/storj/pkg/pb"
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"storj.io/storj/pkg/piecestore/rpc/client"
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"storj.io/storj/pkg/provider"
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"storj.io/storj/pkg/ranger"
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)
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const (
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dialFailed = "dial failed"
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opFailed = "op failed"
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)
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var (
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ErrDialFailed = errors.New(dialFailed)
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ErrOpFailed = errors.New(opFailed)
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)
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var (
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node0 = &pb.Node{Id: "node-0"}
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node1 = &pb.Node{Id: "node-1"}
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node2 = &pb.Node{Id: "node-2"}
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node3 = &pb.Node{Id: "node-3"}
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)
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type mockDialer struct {
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m map[*pb.Node]client.PSClient
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}
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func (d *mockDialer) dial(ctx context.Context, node *pb.Node) (
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ps client.PSClient, err error) {
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ps = d.m[node]
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if ps == nil {
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return nil, ErrDialFailed
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}
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return d.m[node], nil
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}
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func TestNewECClient(t *testing.T) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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transport := NewMockClient(ctrl)
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mbm := 1234
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privKey, _ := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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identity := &provider.FullIdentity{Key: privKey}
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ec := NewClient(identity, transport, mbm)
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assert.NotNil(t, ec)
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ecc, ok := ec.(*ecClient)
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assert.True(t, ok)
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assert.NotNil(t, ecc.d)
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assert.Equal(t, mbm, ecc.mbm)
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dd, ok := ecc.d.(*defaultDialer)
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assert.True(t, ok)
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assert.NotNil(t, dd.transport)
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assert.Equal(t, dd.transport, transport)
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}
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func TestDefaultDialer(t *testing.T) {
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ctx := context.Background()
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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privKey, _ := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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identity := &provider.FullIdentity{Key: privKey}
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for i, tt := range []struct {
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err error
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errString string
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}{
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{nil, ""},
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{ErrDialFailed, dialFailed},
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} {
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errTag := fmt.Sprintf("Test case #%d", i)
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transport := NewMockClient(ctrl)
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transport.EXPECT().DialNode(gomock.Any(), node0).Return(nil, tt.err)
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dd := defaultDialer{transport: transport, identity: identity}
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_, err := dd.dial(ctx, node0)
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if tt.errString != "" {
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assert.EqualError(t, err, tt.errString, errTag)
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} else {
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assert.NoError(t, err, errTag)
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}
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}
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}
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func TestPut(t *testing.T) {
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ctx := context.Background()
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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size := 32 * 1024
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k := 2
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n := 4
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fc, err := infectious.NewFEC(k, n)
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if !assert.NoError(t, err) {
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return
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}
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es := eestream.NewRSScheme(fc, size/n)
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TestLoop:
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for i, tt := range []struct {
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nodes []*pb.Node
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min int
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mbm int
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badInput bool
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errs []error
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errString string
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}{
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{[]*pb.Node{}, 0, 0, true, []error{},
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fmt.Sprintf("ecclient error: number of nodes (0) do not match total count (%v) of erasure scheme", n)},
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{[]*pb.Node{node0, node1, node2, node3}, 0, -1, true,
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[]error{nil, nil, nil, nil},
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"eestream error: negative max buffer memory"},
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{[]*pb.Node{node0, node1, node0, node3}, 0, 0, true,
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[]error{nil, nil, nil, nil},
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"ecclient error: duplicated nodes are not allowed"},
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{[]*pb.Node{node0, node1, node2, node3}, 0, 0, false,
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[]error{nil, nil, nil, nil}, ""},
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{[]*pb.Node{node0, node1, node2, node3}, 0, 0, false,
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[]error{nil, ErrDialFailed, nil, nil},
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"ecclient error: successful puts (3) less than repair threshold (4)"},
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{[]*pb.Node{node0, node1, node2, node3}, 0, 0, false,
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[]error{nil, ErrOpFailed, nil, nil},
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"ecclient error: successful puts (3) less than repair threshold (4)"},
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{[]*pb.Node{node0, node1, node2, node3}, 2, 0, false,
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[]error{nil, ErrDialFailed, nil, nil}, ""},
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{[]*pb.Node{node0, node1, node2, node3}, 2, 0, false,
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[]error{ErrOpFailed, ErrDialFailed, nil, ErrDialFailed},
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"ecclient error: successful puts (1) less than repair threshold (2)"},
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{[]*pb.Node{nil, nil, node2, node3}, 0, 0, false,
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[]error{nil, nil, nil, nil}, ""},
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} {
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errTag := fmt.Sprintf("Test case #%d", i)
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id := client.NewPieceID()
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ttl := time.Now()
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errs := make(map[*pb.Node]error, len(tt.nodes))
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for i, n := range tt.nodes {
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errs[n] = tt.errs[i]
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}
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m := make(map[*pb.Node]client.PSClient, len(tt.nodes))
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for _, n := range tt.nodes {
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if n == nil || tt.badInput {
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continue
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}
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derivedID, err := id.Derive([]byte(n.GetId()))
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if !assert.NoError(t, err, errTag) {
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continue TestLoop
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}
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ps := NewMockPSClient(ctrl)
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gomock.InOrder(
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ps.EXPECT().Put(gomock.Any(), derivedID, gomock.Any(), ttl, gomock.Any(), gomock.Any()).Return(errs[n]).
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Do(func(ctx context.Context, id client.PieceID, data io.Reader, ttl time.Time, ba *pb.PayerBandwidthAllocation, authorization *pb.SignedMessage) {
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// simulate that the mocked piece store client is reading the data
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_, err := io.Copy(ioutil.Discard, data)
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assert.NoError(t, err, errTag)
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}),
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ps.EXPECT().Close().Return(nil),
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)
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m[n] = ps
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}
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rs, err := eestream.NewRedundancyStrategy(es, tt.min, 0)
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if !assert.NoError(t, err, errTag) {
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continue
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}
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r := io.LimitReader(rand.Reader, int64(size))
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ec := ecClient{d: &mockDialer{m: m}, mbm: tt.mbm}
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successfulNodes, err := ec.Put(ctx, tt.nodes, rs, id, r, ttl, nil, nil)
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if tt.errString != "" {
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assert.EqualError(t, err, tt.errString, errTag)
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} else {
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assert.NoError(t, err, errTag)
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assert.Equal(t, len(tt.nodes), len(successfulNodes), errTag)
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for i := range tt.nodes {
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if tt.errs[i] != nil {
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assert.Nil(t, successfulNodes[i], errTag)
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} else {
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assert.Equal(t, tt.nodes[i], successfulNodes[i], errTag)
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}
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}
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}
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}
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}
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func TestGet(t *testing.T) {
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ctx := context.Background()
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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size := 32 * 1024
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k := 2
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n := 4
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fc, err := infectious.NewFEC(k, n)
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if !assert.NoError(t, err) {
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return
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}
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es := eestream.NewRSScheme(fc, size/n)
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TestLoop:
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for i, tt := range []struct {
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nodes []*pb.Node
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mbm int
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errs []error
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errString string
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}{
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{[]*pb.Node{}, 0, []error{}, "ecclient error: " +
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fmt.Sprintf("number of nodes (0) do not match minimum required count (%v) of erasure scheme", k)},
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{[]*pb.Node{node0, node1, node2, node3}, -1,
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[]error{nil, nil, nil, nil},
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"eestream error: negative max buffer memory"},
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{[]*pb.Node{node0, node1, node2, node3}, 0,
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[]error{nil, nil, nil, nil}, ""},
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{[]*pb.Node{node0, node1, node2, node3}, 0,
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[]error{nil, ErrDialFailed, nil, nil}, ""},
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{[]*pb.Node{node0, node1, node2, node3}, 0,
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[]error{nil, ErrOpFailed, nil, nil}, ""},
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{[]*pb.Node{node0, node1, node2, node3}, 0,
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[]error{ErrOpFailed, ErrDialFailed, nil, ErrDialFailed}, ""},
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{[]*pb.Node{node0, node1, node2, node3}, 0,
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[]error{ErrDialFailed, ErrOpFailed, ErrOpFailed, ErrDialFailed}, ""},
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{[]*pb.Node{nil, nil, node2, node3}, 0,
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[]error{nil, nil, nil, nil}, ""},
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} {
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errTag := fmt.Sprintf("Test case #%d", i)
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id := client.NewPieceID()
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errs := make(map[*pb.Node]error, len(tt.nodes))
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for i, n := range tt.nodes {
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errs[n] = tt.errs[i]
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}
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m := make(map[*pb.Node]client.PSClient, len(tt.nodes))
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for _, n := range tt.nodes {
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if errs[n] == ErrOpFailed {
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derivedID, err := id.Derive([]byte(n.GetId()))
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if !assert.NoError(t, err, errTag) {
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continue TestLoop
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}
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ps := NewMockPSClient(ctrl)
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ps.EXPECT().Get(gomock.Any(), derivedID, int64(size/k), gomock.Any(), gomock.Any()).Return(ranger.ByteRanger(nil), errs[n])
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m[n] = ps
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}
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}
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ec := ecClient{d: &mockDialer{m: m}, mbm: tt.mbm}
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rr, err := ec.Get(ctx, tt.nodes, es, id, int64(size), nil, nil)
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if err == nil {
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_, err := rr.Range(ctx, 0, 0)
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assert.NoError(t, err, errTag)
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}
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if tt.errString != "" {
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assert.EqualError(t, err, tt.errString, errTag)
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} else {
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assert.NoError(t, err, errTag)
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assert.NotNil(t, rr, errTag)
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}
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}
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}
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func TestDelete(t *testing.T) {
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ctx := context.Background()
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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TestLoop:
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for i, tt := range []struct {
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nodes []*pb.Node
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errs []error
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errString string
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}{
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{[]*pb.Node{}, []error{}, ""},
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{[]*pb.Node{node0}, []error{nil}, ""},
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{[]*pb.Node{node0}, []error{ErrDialFailed}, dialFailed},
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{[]*pb.Node{node0}, []error{ErrOpFailed}, opFailed},
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{[]*pb.Node{node0, node1}, []error{nil, nil}, ""},
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{[]*pb.Node{node0, node1}, []error{ErrDialFailed, nil}, ""},
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{[]*pb.Node{node0, node1}, []error{nil, ErrOpFailed}, ""},
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{[]*pb.Node{node0, node1}, []error{ErrDialFailed, ErrDialFailed}, dialFailed},
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{[]*pb.Node{node0, node1}, []error{ErrOpFailed, ErrOpFailed}, opFailed},
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{[]*pb.Node{nil, node1}, []error{nil, nil}, ""},
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{[]*pb.Node{nil, nil}, []error{nil, nil}, ""},
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} {
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errTag := fmt.Sprintf("Test case #%d", i)
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id := client.NewPieceID()
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errs := make(map[*pb.Node]error, len(tt.nodes))
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for i, n := range tt.nodes {
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errs[n] = tt.errs[i]
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}
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m := make(map[*pb.Node]client.PSClient, len(tt.nodes))
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for _, n := range tt.nodes {
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if n != nil && errs[n] != ErrDialFailed {
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derivedID, err := id.Derive([]byte(n.GetId()))
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if !assert.NoError(t, err, errTag) {
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continue TestLoop
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}
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ps := NewMockPSClient(ctrl)
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gomock.InOrder(
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ps.EXPECT().Delete(gomock.Any(), derivedID, gomock.Any()).Return(errs[n]),
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ps.EXPECT().Close().Return(nil),
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)
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m[n] = ps
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}
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}
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ec := ecClient{d: &mockDialer{m: m}}
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err := ec.Delete(ctx, tt.nodes, id, nil)
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if tt.errString != "" {
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assert.EqualError(t, err, tt.errString, errTag)
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} else {
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assert.NoError(t, err, errTag)
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}
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}
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}
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func TestUnique(t *testing.T) {
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for i, tt := range []struct {
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nodes []*pb.Node
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unique bool
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}{
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{nil, true},
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{[]*pb.Node{}, true},
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{[]*pb.Node{node0}, true},
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{[]*pb.Node{node0, node1}, true},
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{[]*pb.Node{node0, node0}, false},
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{[]*pb.Node{node0, node1, node0}, false},
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{[]*pb.Node{node1, node0, node0}, false},
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{[]*pb.Node{node0, node0, node1}, false},
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{[]*pb.Node{node2, node0, node1}, true},
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{[]*pb.Node{node2, node0, node3, node1}, true},
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{[]*pb.Node{node2, node0, node2, node1}, false},
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{[]*pb.Node{node1, node0, node3, node1}, false},
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} {
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errTag := fmt.Sprintf("Test case #%d", i)
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assert.Equal(t, tt.unique, unique(tt.nodes), errTag)
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}
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}
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