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responding_test.go
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package impl_test
import (
"context"
"fmt"
"math/rand"
"testing"
"time"
"github.com/ipfs/go-cid"
"github.com/ipfs/go-datastore"
dss "github.com/ipfs/go-datastore/sync"
"github.com/ipld/go-ipld-prime"
"github.com/ipld/go-ipld-prime/datamodel"
cidlink "github.com/ipld/go-ipld-prime/linking/cid"
selectorparse "github.com/ipld/go-ipld-prime/traversal/selector/parse"
"github.com/libp2p/go-libp2p-core/peer"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/xerrors"
datatransfer "github.com/filecoin-project/go-data-transfer/v2"
. "github.com/filecoin-project/go-data-transfer/v2/impl"
"github.com/filecoin-project/go-data-transfer/v2/message"
"github.com/filecoin-project/go-data-transfer/v2/testutil"
)
func TestDataTransferResponding(t *testing.T) {
// create network
ctx := context.Background()
testCases := map[string]struct {
expectedEvents []datatransfer.EventCode
configureValidator func(sv *testutil.StubbedValidator)
verify func(t *testing.T, h *receiverHarness)
}{
"new push request validates": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
response, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
require.NoError(t, err)
require.Len(t, h.sv.ValidationsReceived, 1)
validation := h.sv.ValidationsReceived[0]
assert.False(t, validation.IsPull)
assert.Equal(t, h.peers[1], validation.Other)
assert.True(t, ipld.DeepEqual(h.voucher.Voucher, validation.Voucher))
assert.Equal(t, h.baseCid, validation.BaseCid)
assert.Equal(t, h.stor, validation.Selector)
require.True(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.False(t, response.IsPaused())
require.True(t, response.IsNew())
require.True(t, response.IsValidationResult())
},
},
"new push request rejects": {
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: false, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
response, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
require.EqualError(t, err, datatransfer.ErrRejected.Error())
require.False(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.False(t, response.IsPaused())
require.True(t, response.IsNew())
require.True(t, response.IsValidationResult())
},
},
"new push request errors": {
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectErrorPush()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
response, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
require.Error(t, err)
require.False(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.False(t, response.IsPaused())
require.True(t, response.IsNew())
require.True(t, response.IsValidationResult())
},
},
"new push request pauses": {
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, ForcePause: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
response, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
require.EqualError(t, err, datatransfer.ErrPause.Error())
require.True(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.True(t, response.IsPaused())
require.True(t, response.IsNew())
require.True(t, response.IsValidationResult())
},
},
"new pull request validates": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
sv.StubResult(datatransfer.ValidationResult{Accepted: true})
},
verify: func(t *testing.T, h *receiverHarness) {
response, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
require.NoError(t, err)
require.Len(t, h.sv.ValidationsReceived, 1)
validation := h.sv.ValidationsReceived[0]
assert.True(t, validation.IsPull)
assert.Equal(t, h.peers[1], validation.Other)
assert.True(t, ipld.DeepEqual(h.voucher.Voucher, validation.Voucher))
assert.Equal(t, h.baseCid, validation.BaseCid)
assert.Equal(t, h.stor, validation.Selector)
require.True(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.False(t, response.IsPaused())
require.True(t, response.IsNew())
require.True(t, response.IsValidationResult())
},
},
"new pull request rejects": {
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
sv.StubResult(datatransfer.ValidationResult{Accepted: false})
},
verify: func(t *testing.T, h *receiverHarness) {
response, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
require.EqualError(t, err, datatransfer.ErrRejected.Error())
require.False(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.False(t, response.IsPaused())
require.True(t, response.IsNew())
require.True(t, response.IsValidationResult())
},
},
"new pull request errors": {
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectErrorPull()
},
verify: func(t *testing.T, h *receiverHarness) {
response, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
require.Error(t, err)
require.False(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.False(t, response.IsPaused())
require.True(t, response.IsNew())
require.True(t, response.IsValidationResult())
},
},
"new pull request pauses": {
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, ForcePause: true})
},
verify: func(t *testing.T, h *receiverHarness) {
response, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
require.EqualError(t, err, datatransfer.ErrPause.Error())
require.True(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.True(t, response.IsPaused())
require.True(t, response.IsNew())
require.True(t, response.IsValidationResult())
require.True(t, response.EmptyVoucherResult())
},
},
"send voucher results from responder succeeds, push request": {
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
sv.StubResult(datatransfer.ValidationResult{Accepted: true})
},
verify: func(t *testing.T, h *receiverHarness) {
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
newVoucherResult := testutil.NewTestTypedVoucher()
err := h.dt.SendVoucherResult(h.ctx, channelID(h.id, h.peers), newVoucherResult)
require.NoError(t, err)
},
},
"send voucher results from responder succeeds, pull request": {
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
sv.StubResult(datatransfer.ValidationResult{Accepted: true})
},
verify: func(t *testing.T, h *receiverHarness) {
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
newVoucherResult := testutil.NewTestTypedVoucher()
err := h.dt.SendVoucherResult(h.ctx, channelID(h.id, h.peers), newVoucherResult)
require.NoError(t, err)
},
},
"send vouchers from responder fails, push request": {
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
sv.StubResult(datatransfer.ValidationResult{Accepted: true})
},
verify: func(t *testing.T, h *receiverHarness) {
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
newVoucher := testutil.NewTestTypedVoucher()
err := h.dt.SendVoucher(h.ctx, channelID(h.id, h.peers), newVoucher)
require.EqualError(t, err, "cannot send voucher for request we did not initiate")
},
},
"send vouchers from responder fails, pull request": {
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
sv.StubResult(datatransfer.ValidationResult{Accepted: true})
},
verify: func(t *testing.T, h *receiverHarness) {
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
newVoucher := testutil.NewTestTypedVoucher()
err := h.dt.SendVoucher(h.ctx, channelID(h.id, h.peers), newVoucher)
require.EqualError(t, err, "cannot send voucher for request we did not initiate")
},
},
"receive voucher": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
datatransfer.NewVoucher,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
_, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.voucherUpdate)
require.NoError(t, err)
},
},
"receive pause, unpause": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
datatransfer.PauseInitiator,
datatransfer.ResumeInitiator},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
_, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pauseUpdate)
require.NoError(t, err)
_, err = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.resumeUpdate)
require.NoError(t, err)
},
},
"receive pause, set pause local, receive unpause": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
datatransfer.PauseInitiator,
datatransfer.PauseResponder,
datatransfer.ResumeInitiator},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
_, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pauseUpdate)
require.NoError(t, err)
err = h.dt.PauseDataTransferChannel(h.ctx, channelID(h.id, h.peers))
require.NoError(t, err)
_, err = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.resumeUpdate)
require.EqualError(t, err, datatransfer.ErrPause.Error())
},
},
"receive cancel": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
datatransfer.Cancel,
datatransfer.CleanupComplete,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
_, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.cancelUpdate)
require.NoError(t, err)
require.Len(t, h.transport.CleanedUpChannels, 1)
require.Equal(t, channelID(h.id, h.peers), h.transport.CleanedUpChannels[0])
},
},
"validate and revalidate successfully, push": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
datatransfer.SetDataLimit,
datatransfer.DataReceivedProgress,
datatransfer.DataReceived,
datatransfer.DataLimitExceeded,
datatransfer.NewVoucher,
datatransfer.NewVoucherResult,
datatransfer.SetDataLimit,
datatransfer.ResumeResponder,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, DataLimit: 1000, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
err := h.transport.EventHandler.OnDataReceived(channelID(h.id, h.peers), cidlink.Link{Cid: testutil.GenerateCids(1)[0]}, 12345, 1, true)
require.EqualError(t, err, datatransfer.ErrPause.Error())
require.Len(t, h.transport.MessagesSent, 1)
response, ok := h.transport.MessagesSent[0].Message.(datatransfer.Response)
require.True(t, ok)
require.Equal(t, response.TransferID(), h.id)
require.True(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.True(t, response.IsPaused())
require.False(t, response.IsValidationResult())
response, err = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.voucherUpdate)
require.NoError(t, err, nil)
require.Nil(t, response)
vr := testutil.NewTestTypedVoucher()
err = h.dt.UpdateValidationStatus(ctx, channelID(h.id, h.peers), datatransfer.ValidationResult{Accepted: true, DataLimit: 50000, VoucherResult: &vr})
require.NoError(t, err)
require.Len(t, h.transport.ResumedChannels, 1)
require.Equal(t, h.transport.ResumedChannels[0], channelID(h.id, h.peers))
require.Len(t, h.transport.MessagesSent, 2)
response, ok = h.transport.MessagesSent[1].Message.(datatransfer.Response)
require.True(t, ok)
require.True(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.False(t, response.IsPaused())
require.True(t, response.IsValidationResult())
require.False(t, response.EmptyVoucherResult())
},
},
"validate and revalidate with rejection on second voucher": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
datatransfer.SetDataLimit,
datatransfer.DataReceivedProgress,
datatransfer.DataReceived,
datatransfer.DataLimitExceeded,
datatransfer.NewVoucher,
datatransfer.NewVoucherResult,
datatransfer.Error,
datatransfer.CleanupComplete,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, DataLimit: 1000, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
err := h.transport.EventHandler.OnDataReceived(channelID(h.id, h.peers), cidlink.Link{Cid: testutil.GenerateCids(1)[0]}, 12345, 1, true)
require.EqualError(t, err, datatransfer.ErrPause.Error())
require.Len(t, h.transport.MessagesSent, 1)
response, ok := h.transport.MessagesSent[0].Message.(datatransfer.Response)
require.True(t, ok)
require.Equal(t, response.TransferID(), h.id)
require.True(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.True(t, response.IsPaused())
require.False(t, response.IsValidationResult())
response, err = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.voucherUpdate)
require.NoError(t, err, nil)
require.Nil(t, response)
vr := testutil.NewTestTypedVoucher()
err = h.dt.UpdateValidationStatus(ctx, channelID(h.id, h.peers), datatransfer.ValidationResult{Accepted: false, VoucherResult: &vr})
require.NoError(t, err)
require.Len(t, h.transport.ClosedChannels, 1)
require.Equal(t, h.transport.ClosedChannels[0], channelID(h.id, h.peers))
require.Len(t, h.transport.MessagesSent, 2)
response, ok = h.transport.MessagesSent[1].Message.(datatransfer.Response)
require.True(t, ok)
require.False(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.False(t, response.IsPaused())
require.True(t, response.IsValidationResult())
require.False(t, response.EmptyVoucherResult())
},
},
"validate and revalidate successfully, pull": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
datatransfer.SetDataLimit,
datatransfer.DataQueuedProgress,
datatransfer.DataQueued,
datatransfer.DataLimitExceeded,
datatransfer.NewVoucher,
datatransfer.NewVoucherResult,
datatransfer.SetDataLimit,
datatransfer.ResumeResponder,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, DataLimit: 1000, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
_, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
require.NoError(t, err)
msg, err := h.transport.EventHandler.OnDataQueued(
channelID(h.id, h.peers),
cidlink.Link{Cid: testutil.GenerateCids(1)[0]},
12345, 1, true)
require.EqualError(t, err, datatransfer.ErrPause.Error())
response, ok := msg.(datatransfer.Response)
require.True(t, ok)
require.Equal(t, response.TransferID(), h.id)
require.True(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.True(t, response.IsPaused())
require.False(t, response.IsValidationResult())
response, err = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.voucherUpdate)
require.NoError(t, err, nil)
require.Nil(t, response)
vr := testutil.NewTestTypedVoucher()
err = h.dt.UpdateValidationStatus(ctx, channelID(h.id, h.peers), datatransfer.ValidationResult{Accepted: true, DataLimit: 50000, VoucherResult: &vr})
require.NoError(t, err)
require.Len(t, h.transport.ResumedChannels, 1)
require.Equal(t, h.transport.ResumedChannels[0], channelID(h.id, h.peers))
require.Len(t, h.transport.MessagesSent, 1)
response, ok = h.transport.MessagesSent[0].Message.(datatransfer.Response)
require.True(t, ok)
require.True(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.False(t, response.IsPaused())
require.True(t, response.IsValidationResult())
require.False(t, response.EmptyVoucherResult())
},
},
"validated, finalize, and complete successfully": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
datatransfer.SetRequiresFinalization,
datatransfer.BeginFinalizing,
datatransfer.NewVoucher,
datatransfer.NewVoucherResult,
datatransfer.SetRequiresFinalization,
datatransfer.ResumeResponder,
datatransfer.CleanupComplete,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, RequiresFinalization: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
_, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
require.NoError(t, err)
err = h.transport.EventHandler.OnChannelCompleted(channelID(h.id, h.peers), nil)
require.NoError(t, err)
require.Len(t, h.transport.MessagesSent, 1)
response, ok := h.transport.MessagesSent[0].Message.(datatransfer.Response)
require.True(t, ok)
require.True(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.True(t, response.IsComplete())
require.True(t, response.IsPaused())
require.True(t, response.IsValidationResult())
require.True(t, response.EmptyVoucherResult())
response, err = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.voucherUpdate)
require.NoError(t, err, nil)
require.Nil(t, response)
vr := testutil.NewTestTypedVoucher()
err = h.dt.UpdateValidationStatus(ctx, channelID(h.id, h.peers), datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
require.NoError(t, err)
require.Len(t, h.transport.MessagesSent, 2)
response, ok = h.transport.MessagesSent[1].Message.(datatransfer.Response)
require.True(t, ok)
require.Equal(t, response.TransferID(), h.id)
require.True(t, response.IsValidationResult())
require.False(t, response.IsPaused())
},
},
"validated, incomplete response": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.Error,
datatransfer.CleanupComplete,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
sv.StubResult(datatransfer.ValidationResult{Accepted: true})
},
verify: func(t *testing.T, h *receiverHarness) {
_, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
require.NoError(t, err)
err = h.transport.EventHandler.OnChannelCompleted(channelID(h.id, h.peers), xerrors.Errorf("err"))
require.NoError(t, err)
},
},
"new push request, customized transport": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
sv.StubResult(datatransfer.ValidationResult{Accepted: true})
},
verify: func(t *testing.T, h *receiverHarness) {
err := h.dt.RegisterTransportConfigurer(h.voucher.Type, func(channelID datatransfer.ChannelID, voucher datatransfer.TypedVoucher, transport datatransfer.Transport) {
ft, ok := transport.(*testutil.FakeTransport)
if !ok {
return
}
ft.RecordCustomizedTransfer(channelID, voucher)
})
require.NoError(t, err)
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
require.Len(t, h.transport.CustomizedTransfers, 1)
customizedTransfer := h.transport.CustomizedTransfers[0]
require.Equal(t, channelID(h.id, h.peers), customizedTransfer.ChannelID)
require.Equal(t, h.voucher, customizedTransfer.Voucher)
},
},
"new pull request, customized transport": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
sv.StubResult(datatransfer.ValidationResult{Accepted: true})
},
verify: func(t *testing.T, h *receiverHarness) {
err := h.dt.RegisterTransportConfigurer(h.voucher.Type, func(channelID datatransfer.ChannelID, voucher datatransfer.TypedVoucher, transport datatransfer.Transport) {
ft, ok := transport.(*testutil.FakeTransport)
if !ok {
return
}
ft.RecordCustomizedTransfer(channelID, voucher)
})
require.NoError(t, err)
_, err = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
require.NoError(t, err)
require.Len(t, h.transport.CustomizedTransfers, 1)
customizedTransfer := h.transport.CustomizedTransfers[0]
require.Equal(t, channelID(h.id, h.peers), customizedTransfer.ChannelID)
require.Equal(t, h.voucher, customizedTransfer.Voucher)
},
},
}
for testCase, verify := range testCases {
t.Run(testCase, func(t *testing.T) {
h := &receiverHarness{}
ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
defer cancel()
h.ctx = ctx
h.peers = testutil.GeneratePeers(2)
h.transport = testutil.NewFakeTransport()
h.ds = dss.MutexWrap(datastore.NewMapDatastore())
dt, err := NewDataTransfer(h.ds, h.peers[0], h.transport)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt)
h.dt = dt
ev := eventVerifier{
expectedEvents: verify.expectedEvents,
events: make(chan datatransfer.EventCode, len(verify.expectedEvents)),
}
ev.setup(t, dt)
h.stor = selectorparse.CommonSelector_ExploreAllRecursively
h.voucher = testutil.NewTestTypedVoucher()
h.baseCid = testutil.GenerateCids(1)[0]
h.id = datatransfer.TransferID(rand.Int31())
h.pullRequest, err = message.NewRequest(h.id, false, true, &h.voucher, h.baseCid, h.stor)
require.NoError(t, err)
h.pushRequest, err = message.NewRequest(h.id, false, false, &h.voucher, h.baseCid, h.stor)
require.NoError(t, err)
h.pauseUpdate = message.UpdateRequest(h.id, true)
require.NoError(t, err)
h.resumeUpdate = message.UpdateRequest(h.id, false)
require.NoError(t, err)
updateVoucher := testutil.NewTestTypedVoucher()
h.voucherUpdate, err = message.VoucherRequest(h.id, &updateVoucher)
h.cancelUpdate = message.CancelRequest(h.id)
require.NoError(t, err)
h.sv = testutil.NewStubbedValidator()
if verify.configureValidator != nil {
verify.configureValidator(h.sv)
}
require.NoError(t, h.dt.RegisterVoucherType(h.voucher.Type, h.sv))
require.NoError(t, err)
verify.verify(t, h)
h.sv.VerifyExpectations(t)
ev.verify(ctx, t)
})
}
}
func TestDataTransferRestartResponding(t *testing.T) {
// create network
ctx := context.Background()
testCases := map[string]struct {
expectedEvents []datatransfer.EventCode
configureValidator func(sv *testutil.StubbedValidator)
verify func(t *testing.T, h *receiverHarness)
}{
"receiving a pull restart response": {
expectedEvents: []datatransfer.EventCode{datatransfer.Open, datatransfer.Restart, datatransfer.ResumeResponder},
verify: func(t *testing.T, h *receiverHarness) {
channelID, err := h.dt.OpenPushDataChannel(h.ctx, h.peers[1], h.voucher, h.baseCid, h.stor)
require.NoError(t, err)
require.NotEmpty(t, channelID)
response, err := message.RestartResponse(channelID.ID, true, false, nil)
require.NoError(t, err)
err = h.transport.EventHandler.OnResponseReceived(channelID, response)
require.NoError(t, err)
},
},
"receiving a push restart request validates and opens a channel for pull": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
datatransfer.DataReceivedProgress,
datatransfer.DataReceived,
datatransfer.DataReceivedProgress,
datatransfer.DataReceived,
datatransfer.Restart,
datatransfer.NewVoucherResult,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPush()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
sv.ExpectSuccessValidateRestart()
vr = testutil.NewTestTypedVoucher()
sv.StubRestartResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
// receive an incoming push
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pushRequest)
require.Len(t, h.sv.ValidationsReceived, 1)
// some cids are received
chid := datatransfer.ChannelID{Initiator: h.peers[1], Responder: h.peers[0], ID: h.pushRequest.TransferID()}
testCids := testutil.GenerateCids(2)
ev, ok := h.dt.(datatransfer.EventsHandler)
require.True(t, ok)
require.NoError(t, ev.OnDataReceived(chid, cidlink.Link{Cid: testCids[0]}, 12345, 1, true))
require.NoError(t, ev.OnDataReceived(chid, cidlink.Link{Cid: testCids[1]}, 12345, 2, true))
// receive restart push request
req, err := message.NewRequest(h.pushRequest.TransferID(), true, false, &h.voucher, h.baseCid, h.stor)
require.NoError(t, err)
response, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), req)
require.NoError(t, err)
require.Len(t, h.sv.RevalidationsReceived, 1)
require.True(t, response.IsRestart())
require.True(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.False(t, response.IsPaused())
require.False(t, response.IsNew())
require.True(t, response.IsValidationResult())
vmsg := h.sv.RevalidationsReceived[0]
require.Equal(t, channelID(h.id, h.peers), vmsg.ChannelID)
},
},
"receiving a pull restart request validates and sends a success response": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
datatransfer.Restart,
datatransfer.NewVoucherResult,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
sv.ExpectSuccessValidateRestart()
vr = testutil.NewTestTypedVoucher()
sv.StubRestartResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
// receive an incoming pull
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
require.Len(t, h.sv.ValidationsReceived, 1)
// receive restart pull request
restartReq, err := message.NewRequest(h.id, true, true, &h.voucher, h.baseCid, h.stor)
require.NoError(t, err)
response, err := h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), restartReq)
require.NoError(t, err)
require.Len(t, h.sv.RevalidationsReceived, 1)
// validate response
require.True(t, response.IsRestart())
require.True(t, response.Accepted())
require.Equal(t, response.TransferID(), h.id)
require.False(t, response.IsUpdate())
require.False(t, response.IsCancel())
require.False(t, response.IsPaused())
require.False(t, response.IsNew())
require.True(t, response.IsValidationResult())
vmsg := h.sv.RevalidationsReceived[0]
require.Equal(t, channelID(h.id, h.peers), vmsg.ChannelID)
},
},
"restart request fails if channel does not exist": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
// receive an incoming pull
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
require.Len(t, h.sv.ValidationsReceived, 1)
// receive restart pull request
restartReq, err := message.NewRequest(h.id, true, true, &h.voucher, h.baseCid, h.stor)
require.NoError(t, err)
p := testutil.GeneratePeers(1)[0]
chid := datatransfer.ChannelID{ID: h.pullRequest.TransferID(), Initiator: p, Responder: h.peers[0]}
_, err = h.transport.EventHandler.OnRequestReceived(chid, restartReq)
require.EqualError(t, err, datatransfer.ErrChannelNotFound.Error())
},
},
"restart request fails if voucher validation fails": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
datatransfer.Error,
datatransfer.CleanupComplete,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
sv.ExpectSuccessValidateRestart()
sv.StubRestartResult(datatransfer.ValidationResult{Accepted: false})
},
verify: func(t *testing.T, h *receiverHarness) {
// receive an incoming pull
_, _ = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), h.pullRequest)
require.Len(t, h.sv.ValidationsReceived, 1)
// receive restart pull request
h.sv.ExpectErrorPull()
restartReq, err := message.NewRequest(h.id, true, true, &h.voucher, h.baseCid, h.stor)
require.NoError(t, err)
_, err = h.transport.EventHandler.OnRequestReceived(channelID(h.id, h.peers), restartReq)
require.EqualError(t, err, datatransfer.ErrRejected.Error())
},
},
"restart request fails if base cid does not match": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
// receive an incoming pull
chid := channelID(h.id, h.peers)
_, _ = h.transport.EventHandler.OnRequestReceived(chid, h.pullRequest)
require.Len(t, h.sv.ValidationsReceived, 1)
// receive restart pull request
randCid := testutil.GenerateCids(1)[0]
restartReq, err := message.NewRequest(h.id, true, true, &h.voucher, randCid, h.stor)
require.NoError(t, err)
_, err = h.transport.EventHandler.OnRequestReceived(chid, restartReq)
require.EqualError(t, err, fmt.Sprintf("restart request for channel %s failed validation: base cid does not match", chid))
},
},
"restart request fails if voucher type is not decodable": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
// receive an incoming pull
chid := channelID(h.id, h.peers)
_, _ = h.transport.EventHandler.OnRequestReceived(chid, h.pullRequest)
require.Len(t, h.sv.ValidationsReceived, 1)
// receive restart pull request
restartReq, err := message.NewRequest(h.id, true, true, &datatransfer.TypedVoucher{Voucher: h.voucher.Voucher, Type: "rand"}, h.baseCid, h.stor)
require.NoError(t, err)
_, err = h.transport.EventHandler.OnRequestReceived(chid, restartReq)
require.EqualError(t, err, fmt.Sprintf("restart request for channel %s failed validation: channel and request voucher types do not match", chid))
},
},
"restart request fails if voucher does not match": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.Accept,
datatransfer.NewVoucherResult,
},
configureValidator: func(sv *testutil.StubbedValidator) {
sv.ExpectSuccessPull()
vr := testutil.NewTestTypedVoucher()
sv.StubResult(datatransfer.ValidationResult{Accepted: true, VoucherResult: &vr})
},
verify: func(t *testing.T, h *receiverHarness) {
// receive an incoming pull
chid := channelID(h.id, h.peers)
_, err := h.transport.EventHandler.OnRequestReceived(chid, h.pullRequest)
require.NoError(t, err)
require.Len(t, h.sv.ValidationsReceived, 1)
// receive restart pull request
v := testutil.NewTestTypedVoucherWith("rand")
restartReq, err := message.NewRequest(h.id, true, true, &v, h.baseCid, h.stor)
require.NoError(t, err)
_, err = h.transport.EventHandler.OnRequestReceived(chid, restartReq)
require.EqualError(t, err, fmt.Sprintf("restart request for channel %s failed validation: channel and request vouchers do not match", chid))
},
},
"ReceiveRestartExistingChannelRequest: Reopen Pull Channel": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
datatransfer.DataReceivedProgress,
datatransfer.DataReceived,
datatransfer.DataReceivedProgress,
datatransfer.DataReceived,
},
configureValidator: func(sv *testutil.StubbedValidator) {
},
verify: func(t *testing.T, h *receiverHarness) {
// create an outgoing pull channel first
channelID, err := h.dt.OpenPullDataChannel(h.ctx, h.peers[1], h.voucher, h.baseCid, h.stor)
require.NoError(t, err)
require.NotEmpty(t, channelID)
// some cids should already be received
testCids := testutil.GenerateCids(2)
ev, ok := h.dt.(datatransfer.EventsHandler)
require.True(t, ok)
require.NoError(t, ev.OnDataReceived(channelID, cidlink.Link{Cid: testCids[0]}, 12345, 1, true))
require.NoError(t, ev.OnDataReceived(channelID, cidlink.Link{Cid: testCids[1]}, 12345, 2, true))
// send a request to restart the same pull channel
err = h.transport.EventHandler.OnRestartExistingChannelRequestReceived(channelID)
require.NoError(t, err)
require.Len(t, h.transport.OpenedChannels, 1)
require.Len(t, h.transport.RestartedChannels, 1)
// assert correct channel was created in response to this
restartedChannel := h.transport.RestartedChannels[0]
require.Equal(t, restartedChannel.Channel.ChannelID(), channelID)
require.Equal(t, restartedChannel.Channel.Sender(), h.peers[1])
require.Equal(t, restartedChannel.Channel.BaseCID(), h.baseCid)
require.Equal(t, restartedChannel.Channel.Selector(), h.stor)
require.EqualValues(t, len(testCids), restartedChannel.Channel.ReceivedCidsTotal())
// assert a restart request is in the channel
request := restartedChannel.Message
require.True(t, request.IsRestart())
require.Equal(t, request.TransferID(), channelID.ID)
require.Equal(t, request.BaseCid(), h.baseCid)
require.False(t, request.IsCancel())
require.True(t, request.IsPull())
require.False(t, request.IsNew())
// voucher should be sent correctly
receivedSelector, err := request.Selector()
require.NoError(t, err)
require.Equal(t, receivedSelector, h.stor)
testutil.AssertTestVoucher(t, request, h.voucher)
},
},
"ReceiveRestartExistingChannelRequest: Resend Push Request": {
expectedEvents: []datatransfer.EventCode{
datatransfer.Open,
},
configureValidator: func(sv *testutil.StubbedValidator) {
},
verify: func(t *testing.T, h *receiverHarness) {
// create an outgoing push request first
channelID, err := h.dt.OpenPushDataChannel(h.ctx, h.peers[1], h.voucher, h.baseCid, h.stor)
require.NoError(t, err)
require.NotEmpty(t, channelID)
// send a request to restart the same push request
err = h.transport.EventHandler.OnRestartExistingChannelRequestReceived(channelID)
require.NoError(t, err)
require.Len(t, h.transport.OpenedChannels, 1)
require.Len(t, h.transport.RestartedChannels, 1)
// assert restart request is well formed
restartedChannel := h.transport.RestartedChannels[0]
receivedRequest := restartedChannel.Message
require.Equal(t, receivedRequest.TransferID(), channelID.ID)
require.Equal(t, receivedRequest.BaseCid(), h.baseCid)
require.False(t, receivedRequest.IsCancel())
require.False(t, receivedRequest.IsPull())
require.True(t, receivedRequest.IsRestart())
require.False(t, receivedRequest.IsNew())
// assert voucher is sent correctly
receivedSelector, err := receivedRequest.Selector()
require.NoError(t, err)
require.Equal(t, receivedSelector, h.stor)
testutil.AssertTestVoucher(t, receivedRequest, h.voucher)
},
},
}
for testCase, verify := range testCases {
t.Run(testCase, func(t *testing.T) {
h := &receiverHarness{}
ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
defer cancel()
h.ctx = ctx
h.peers = testutil.GeneratePeers(2)
h.transport = testutil.NewFakeTransport()
h.ds = dss.MutexWrap(datastore.NewMapDatastore())
dt, err := NewDataTransfer(h.ds, h.peers[0], h.transport)
require.NoError(t, err)
testutil.StartAndWaitForReady(ctx, t, dt)
h.dt = dt
ev := eventVerifier{
expectedEvents: verify.expectedEvents,
events: make(chan datatransfer.EventCode, len(verify.expectedEvents)),