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any-sync/commonspace/object/tree/synctree/syncprotocol_test.go
2023-05-11 09:51:24 +02:00

361 lines
12 KiB
Go

package synctree
import (
"context"
"github.com/anytypeio/any-sync/commonspace/object/accountdata"
"github.com/anytypeio/any-sync/commonspace/object/acl/list"
"github.com/anytypeio/any-sync/commonspace/object/tree/objecttree"
"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
"github.com/anytypeio/any-sync/commonspace/object/tree/treestorage"
"github.com/anytypeio/any-sync/util/slice"
"github.com/gogo/protobuf/proto"
"github.com/stretchr/testify/require"
"math/rand"
"testing"
"time"
)
func TestEmptyClientGetsFullHistory(t *testing.T) {
treeId := "treeId"
spaceId := "spaceId"
keys, err := accountdata.NewRandom()
require.NoError(t, err)
aclList, err := list.NewTestDerivedAcl(spaceId, keys)
require.NoError(t, err)
storage := createStorage(treeId, aclList)
changeCreator := objecttree.NewMockChangeCreator()
deps := fixtureDeps{
aclList: aclList,
initStorage: storage.(*treestorage.InMemoryTreeStorage),
connectionMap: map[string][]string{
"peer1": []string{"peer2"},
"peer2": []string{"peer1"},
},
emptyTrees: []string{"peer2"},
treeBuilder: objecttree.BuildTestableTree,
}
fx := newProtocolFixture(t, spaceId, deps)
fx.run(t)
fx.handlers["peer1"].sendRawChanges(context.Background(), objecttree.RawChangesPayload{
NewHeads: nil,
RawChanges: []*treechangeproto.RawTreeChangeWithId{
changeCreator.CreateRaw("1", aclList.Id(), treeId, true, treeId),
},
})
time.Sleep(100 * time.Millisecond)
fx.stop()
firstHeads := fx.handlers["peer1"].tree().Heads()
secondHeads := fx.handlers["peer2"].tree().Heads()
require.True(t, slice.UnsortedEquals(firstHeads, secondHeads))
require.Equal(t, []string{"1"}, firstHeads)
logMsgs := fx.log.batcher.GetAll()
var fullResponseMsg msgDescription
for _, msg := range logMsgs {
descr := msg.description()
if descr.name == "FullSyncResponse" {
fullResponseMsg = descr
}
}
// that means that we got not only the last snapshot, but also the first one
require.Len(t, fullResponseMsg.changes, 2)
}
func TestTreeFuzzyMerge(t *testing.T) {
testTreeFuzzyMerge(t, true)
testTreeFuzzyMerge(t, false)
}
func testTreeFuzzyMerge(t *testing.T, withData bool) {
var (
rnd = rand.New(rand.NewSource(time.Now().Unix()))
levels = 20
perLevel = 20
rounds = 10
)
for i := 0; i < rounds; i++ {
testTreeMerge(t, levels, perLevel, withData, func() bool {
return true
})
testTreeMerge(t, levels, perLevel, withData, func() bool {
return false
})
testTreeMerge(t, levels, perLevel, withData, func() bool {
return rnd.Intn(10) > 8
})
levels += 2
}
}
func testTreeMerge(t *testing.T, levels, perLevel int, hasData bool, isSnapshot func() bool) {
treeId := "treeId"
spaceId := "spaceId"
keys, err := accountdata.NewRandom()
require.NoError(t, err)
aclList, err := list.NewTestDerivedAcl(spaceId, keys)
storage := createStorage(treeId, aclList)
changeCreator := objecttree.NewMockChangeCreator()
builder := objecttree.BuildTestableTree
if hasData {
builder = objecttree.BuildEmptyDataTestableTree
}
params := genParams{
prefix: "peer1",
aclId: aclList.Id(),
startIdx: 0,
levels: levels,
perLevel: perLevel,
snapshotId: treeId,
prevHeads: []string{treeId},
isSnapshot: isSnapshot,
hasData: hasData,
}
// generating initial tree
initialRes := genChanges(changeCreator, params)
err = storage.AddMany(initialRes.changes, initialRes.heads)
require.NoError(t, err)
deps := fixtureDeps{
aclList: aclList,
initStorage: storage.(*treestorage.InMemoryTreeStorage),
connectionMap: map[string][]string{
"peer1": []string{"node1"},
"peer2": []string{"node1"},
"node1": []string{"peer1", "peer2"},
},
emptyTrees: []string{"peer2", "node1"},
treeBuilder: builder,
}
fx := newProtocolFixture(t, spaceId, deps)
fx.run(t)
fx.handlers["peer1"].sendRawChanges(context.Background(), objecttree.RawChangesPayload{
NewHeads: initialRes.heads,
RawChanges: initialRes.changes,
})
time.Sleep(50 * time.Millisecond)
firstHeads := fx.handlers["peer1"].tree().Heads()
secondHeads := fx.handlers["peer2"].tree().Heads()
require.True(t, slice.UnsortedEquals(firstHeads, secondHeads))
params = genParams{
prefix: "peer1",
aclId: aclList.Id(),
startIdx: levels,
levels: levels,
perLevel: perLevel,
snapshotId: initialRes.snapshotId,
prevHeads: initialRes.heads,
isSnapshot: isSnapshot,
hasData: hasData,
}
// generating different additions to the tree for different peers
peer1Res := genChanges(changeCreator, params)
params.prefix = "peer2"
peer2Res := genChanges(changeCreator, params)
fx.handlers["peer1"].sendRawChanges(context.Background(), objecttree.RawChangesPayload{
NewHeads: peer1Res.heads,
RawChanges: peer1Res.changes,
})
fx.handlers["peer2"].sendRawChanges(context.Background(), objecttree.RawChangesPayload{
NewHeads: peer2Res.heads,
RawChanges: peer2Res.changes,
})
time.Sleep(50 * time.Millisecond)
fx.stop()
firstTree := fx.handlers["peer1"].tree()
secondTree := fx.handlers["peer2"].tree()
firstHeads = firstTree.Heads()
secondHeads = secondTree.Heads()
require.True(t, slice.UnsortedEquals(firstHeads, secondHeads))
require.True(t, slice.UnsortedEquals(firstHeads, append(peer1Res.heads, peer2Res.heads...)))
firstStorage := firstTree.Storage().(*treestorage.InMemoryTreeStorage)
secondStorage := secondTree.Storage().(*treestorage.InMemoryTreeStorage)
require.True(t, firstStorage.Equal(secondStorage))
if hasData {
for _, ch := range secondStorage.Changes {
if ch.Id == treeId {
continue
}
unmarshallRaw := &treechangeproto.RawTreeChange{}
proto.Unmarshal(ch.RawChange, unmarshallRaw)
treeCh := &treechangeproto.TreeChange{}
proto.Unmarshal(unmarshallRaw.Payload, treeCh)
require.Equal(t, ch.Id, string(treeCh.ChangesData))
}
}
}
func TestTreeStorageHasExtraChanges(t *testing.T) {
var (
rnd = rand.New(rand.NewSource(time.Now().Unix()))
levels = 20
perLevel = 40
)
// simulating cases where one peer has some extra changes saved in storage
// and checking that this will not break the sync
t.Run("tree storage has extra simple", func(t *testing.T) {
testTreeStorageHasExtra(t, levels, perLevel, false, func() bool {
return false
})
testTreeStorageHasExtra(t, levels, perLevel, false, func() bool {
return rnd.Intn(10) > 5
})
testTreeStorageHasExtra(t, levels, perLevel, true, func() bool {
return false
})
testTreeStorageHasExtra(t, levels, perLevel, true, func() bool {
return rnd.Intn(10) > 5
})
})
t.Run("tree storage has extra three parts", func(t *testing.T) {
testTreeStorageHasExtraThreeParts(t, levels, perLevel, false, func() bool {
return false
})
testTreeStorageHasExtraThreeParts(t, levels, perLevel, false, func() bool {
return rnd.Intn(10) > 5
})
testTreeStorageHasExtraThreeParts(t, levels, perLevel, true, func() bool {
return false
})
testTreeStorageHasExtraThreeParts(t, levels, perLevel, true, func() bool {
return rnd.Intn(10) > 5
})
})
}
func testTreeStorageHasExtra(t *testing.T, levels, perLevel int, hasData bool, isSnapshot func() bool) {
treeId := "treeId"
spaceId := "spaceId"
keys, err := accountdata.NewRandom()
require.NoError(t, err)
aclList, err := list.NewTestDerivedAcl(spaceId, keys)
storage := createStorage(treeId, aclList)
changeCreator := objecttree.NewMockChangeCreator()
builder := objecttree.BuildTestableTree
if hasData {
builder = objecttree.BuildEmptyDataTestableTree
}
params := genParams{
prefix: "peer1",
aclId: aclList.Id(),
startIdx: 0,
levels: levels,
perLevel: perLevel,
snapshotId: treeId,
prevHeads: []string{treeId},
isSnapshot: isSnapshot,
hasData: hasData,
}
deps := fixtureDeps{
aclList: aclList,
initStorage: storage.(*treestorage.InMemoryTreeStorage),
connectionMap: map[string][]string{
"peer1": []string{"peer2"},
"peer2": []string{"peer1"},
},
treeBuilder: builder,
}
fx := newProtocolFixture(t, spaceId, deps)
// generating initial tree
initialRes := genChanges(changeCreator, params)
fx.run(t)
// adding some changes to store, but without updating heads
store := fx.handlers["peer1"].tree().Storage().(*treestorage.InMemoryTreeStorage)
oldHeads, _ := store.Heads()
store.AddMany(initialRes.changes, oldHeads)
// sending those changes to other peer
fx.handlers["peer2"].sendRawChanges(context.Background(), objecttree.RawChangesPayload{
NewHeads: initialRes.heads,
RawChanges: initialRes.changes,
})
time.Sleep(50 * time.Millisecond)
// here we want that the saved changes in storage should not affect the sync protocol
firstHeads := fx.handlers["peer1"].tree().Heads()
secondHeads := fx.handlers["peer2"].tree().Heads()
require.True(t, slice.UnsortedEquals(firstHeads, secondHeads))
require.True(t, slice.UnsortedEquals(initialRes.heads, firstHeads))
}
func testTreeStorageHasExtraThreeParts(t *testing.T, levels, perLevel int, hasData bool, isSnapshot func() bool) {
treeId := "treeId"
spaceId := "spaceId"
keys, err := accountdata.NewRandom()
require.NoError(t, err)
aclList, err := list.NewTestDerivedAcl(spaceId, keys)
storage := createStorage(treeId, aclList)
changeCreator := objecttree.NewMockChangeCreator()
builder := objecttree.BuildTestableTree
if hasData {
builder = objecttree.BuildEmptyDataTestableTree
}
params := genParams{
prefix: "peer1",
aclId: aclList.Id(),
startIdx: 0,
levels: levels,
perLevel: perLevel,
snapshotId: treeId,
prevHeads: []string{treeId},
isSnapshot: isSnapshot,
hasData: hasData,
}
deps := fixtureDeps{
aclList: aclList,
initStorage: storage.(*treestorage.InMemoryTreeStorage),
connectionMap: map[string][]string{
"peer1": []string{"peer2"},
"peer2": []string{"peer1"},
},
treeBuilder: builder,
}
fx := newProtocolFixture(t, spaceId, deps)
// generating parts
firstPart := genChanges(changeCreator, params)
params.startIdx = levels
params.snapshotId = firstPart.snapshotId
params.prevHeads = firstPart.heads
secondPart := genChanges(changeCreator, params)
params.startIdx = levels * 2
params.snapshotId = secondPart.snapshotId
params.prevHeads = secondPart.heads
thirdPart := genChanges(changeCreator, params)
// adding part1 to first peer and saving part2 and part3 in its storage
res, _ := fx.handlers["peer1"].tree().AddRawChanges(context.Background(), objecttree.RawChangesPayload{
NewHeads: firstPart.heads,
RawChanges: firstPart.changes,
})
require.True(t, slice.UnsortedEquals(res.Heads, firstPart.heads))
store := fx.handlers["peer1"].tree().Storage().(*treestorage.InMemoryTreeStorage)
oldHeads, _ := store.Heads()
store.AddMany(secondPart.changes, oldHeads)
store.AddMany(thirdPart.changes, oldHeads)
var peer2Initial []*treechangeproto.RawTreeChangeWithId
peer2Initial = append(peer2Initial, firstPart.changes...)
peer2Initial = append(peer2Initial, secondPart.changes...)
// adding part1 and part2 to second peer
res, _ = fx.handlers["peer2"].tree().AddRawChanges(context.Background(), objecttree.RawChangesPayload{
NewHeads: secondPart.heads,
RawChanges: peer2Initial,
})
require.True(t, slice.UnsortedEquals(res.Heads, secondPart.heads))
fx.run(t)
// sending part3 changes to other peer
fx.handlers["peer2"].sendRawChanges(context.Background(), objecttree.RawChangesPayload{
NewHeads: thirdPart.heads,
RawChanges: thirdPart.changes,
})
time.Sleep(50 * time.Millisecond)
firstHeads := fx.handlers["peer1"].tree().Heads()
secondHeads := fx.handlers["peer2"].tree().Heads()
require.True(t, slice.UnsortedEquals(firstHeads, secondHeads))
require.True(t, slice.UnsortedEquals(thirdPart.heads, firstHeads))
}