package netmap import ( "fmt" "math/rand" "sort" "strconv" "testing" "github.com/nspcc-dev/hrw" "github.com/nspcc-dev/neofs-api-go/v2/netmap" testv2 "github.com/nspcc-dev/neofs-api-go/v2/netmap/test" "github.com/stretchr/testify/require" ) func BenchmarkHRWSort(b *testing.B) { const netmapSize = 1000 nodes := make([]Nodes, netmapSize) weights := make([]float64, netmapSize) for i := range nodes { nodes[i] = Nodes{{ ID: rand.Uint64(), Index: i, Capacity: 100, Price: 1, AttrMap: nil, }} weights[i] = float64(rand.Uint32()%10) / 10.0 } pivot := rand.Uint64() b.Run("sort by index, no weight", func(b *testing.B) { realNodes := make([]Nodes, netmapSize) b.ResetTimer() for i := 0; i < b.N; i++ { b.StopTimer() copy(realNodes, nodes) b.StartTimer() hrw.SortSliceByIndex(realNodes, pivot) } }) b.Run("sort by value, no weight", func(b *testing.B) { realNodes := make([]Nodes, netmapSize) b.ResetTimer() for i := 0; i < b.N; i++ { b.StopTimer() copy(realNodes, nodes) b.StartTimer() hrw.SortSliceByValue(realNodes, pivot) } }) b.Run("only sort by index", func(b *testing.B) { realNodes := make([]Nodes, netmapSize) b.ResetTimer() for i := 0; i < b.N; i++ { b.StopTimer() copy(realNodes, nodes) b.StartTimer() hrw.SortSliceByWeightIndex(realNodes, weights, pivot) } }) b.Run("sort by value", func(b *testing.B) { realNodes := make([]Nodes, netmapSize) b.ResetTimer() for i := 0; i < b.N; i++ { b.StopTimer() copy(realNodes, nodes) b.StartTimer() hrw.SortSliceByWeightValue(realNodes, weights, pivot) } }) b.Run("sort by ID, then by index (deterministic)", func(b *testing.B) { realNodes := make([]Nodes, netmapSize) b.ResetTimer() for i := 0; i < b.N; i++ { b.StopTimer() copy(realNodes, nodes) b.StartTimer() sort.Slice(nodes, func(i, j int) bool { return nodes[i][0].ID < nodes[j][0].ID }) hrw.SortSliceByWeightIndex(realNodes, weights, pivot) } }) } func BenchmarkPolicyHRWType(b *testing.B) { const netmapSize = 100 p := newPlacementPolicy(1, []Replica{ newReplica(1, "loc1"), newReplica(1, "loc2")}, []Selector{ newSelector("loc1", "Location", ClauseSame, 1, "loc1"), newSelector("loc2", "Location", ClauseSame, 1, "loc2")}, []Filter{ newFilter("loc1", "Location", "Shanghai", OpEQ), newFilter("loc2", "Location", "Shanghai", OpNE), }) nodes := make([]NodeInfo, netmapSize) for i := range nodes { var loc string switch i % 20 { case 0: loc = "Shanghai" default: loc = strconv.Itoa(i % 20) } // Having the same price and capacity ensures equal weights for all nodes. // This way placement is more dependent on the initial order. nodes[i] = nodeInfoFromAttributes("Location", loc, "Price", "1", "Capacity", "10") pub := make([]byte, 33) pub[0] = byte(i) nodes[i].SetPublicKey(pub) } nm, err := NewNetmap(NodesFromInfo(nodes)) require.NoError(b, err) b.ResetTimer() for i := 0; i < b.N; i++ { _, err := nm.GetContainerNodes(p, []byte{1}) if err != nil { b.Fatal() } } } func TestPlacementPolicy_DeterministicOrder(t *testing.T) { const netmapSize = 100 p := newPlacementPolicy(1, []Replica{ newReplica(1, "loc1"), newReplica(1, "loc2")}, []Selector{ newSelector("loc1", "Location", ClauseSame, 1, "loc1"), newSelector("loc2", "Location", ClauseSame, 1, "loc2")}, []Filter{ newFilter("loc1", "Location", "Shanghai", OpEQ), newFilter("loc2", "Location", "Shanghai", OpNE), }) nodes := make([]NodeInfo, netmapSize) for i := range nodes { var loc string switch i % 20 { case 0: loc = "Shanghai" default: loc = strconv.Itoa(i % 20) } // Having the same price and capacity ensures equal weights for all nodes. // This way placement is more dependent on the initial order. nodes[i] = nodeInfoFromAttributes("Location", loc, "Price", "1", "Capacity", "10") pub := make([]byte, 33) pub[0] = byte(i) nodes[i].SetPublicKey(pub) } nm, err := NewNetmap(NodesFromInfo(nodes)) require.NoError(t, err) getIndices := func(t *testing.T) (int, int) { v, err := nm.GetContainerNodes(p, []byte{1}) require.NoError(t, err) ns := v.Flatten() require.Equal(t, 2, len(ns)) return ns[0].Index, ns[1].Index } a, b := getIndices(t) for i := 0; i < 10; i++ { x, y := getIndices(t) require.Equal(t, a, x) require.Equal(t, b, y) } } func TestPlacementPolicy_ProcessSelectors(t *testing.T) { p := newPlacementPolicy(2, nil, []Selector{ newSelector("SameRU", "City", ClauseSame, 2, "FromRU"), newSelector("DistinctRU", "City", ClauseDistinct, 2, "FromRU"), newSelector("Good", "Country", ClauseDistinct, 2, "Good"), newSelector("Main", "Country", ClauseDistinct, 3, "*"), }, []Filter{ newFilter("FromRU", "Country", "Russia", OpEQ), newFilter("Good", "Rating", "4", OpGE), }) nodes := []NodeInfo{ nodeInfoFromAttributes("Country", "Russia", "Rating", "1", "City", "SPB"), nodeInfoFromAttributes("Country", "Germany", "Rating", "5", "City", "Berlin"), nodeInfoFromAttributes("Country", "Russia", "Rating", "6", "City", "Moscow"), nodeInfoFromAttributes("Country", "France", "Rating", "4", "City", "Paris"), nodeInfoFromAttributes("Country", "France", "Rating", "1", "City", "Lyon"), nodeInfoFromAttributes("Country", "Russia", "Rating", "5", "City", "SPB"), nodeInfoFromAttributes("Country", "Russia", "Rating", "7", "City", "Moscow"), nodeInfoFromAttributes("Country", "Germany", "Rating", "3", "City", "Darmstadt"), nodeInfoFromAttributes("Country", "Germany", "Rating", "7", "City", "Frankfurt"), nodeInfoFromAttributes("Country", "Russia", "Rating", "9", "City", "SPB"), nodeInfoFromAttributes("Country", "Russia", "Rating", "9", "City", "SPB"), } nm, err := NewNetmap(NodesFromInfo(nodes)) require.NoError(t, err) c := newContext(nm) c.setCBF(p.ContainerBackupFactor()) require.NoError(t, c.processFilters(p)) require.NoError(t, c.processSelectors(p)) for _, s := range p.Selectors() { sel := c.Selections[s.Name()] s := c.Selectors[s.Name()] bucketCount, nodesInBucket := GetNodesCount(p, s) nodesInBucket *= int(c.cbf) targ := fmt.Sprintf("selector '%s'", s.Name()) require.Equal(t, bucketCount, len(sel), targ) for _, res := range sel { require.Equal(t, nodesInBucket, len(res), targ) for j := range res { require.True(t, c.applyFilter(s.Filter(), &res[j]), targ) } } } } func testSelector() *Selector { s := new(Selector) s.SetName("name") s.SetCount(3) s.SetFilter("filter") s.SetAttribute("attribute") s.SetClause(ClauseDistinct) return s } func TestSelector_Name(t *testing.T) { s := NewSelector() name := "some name" s.SetName(name) require.Equal(t, name, s.Name()) } func TestSelector_Count(t *testing.T) { s := NewSelector() c := uint32(3) s.SetCount(c) require.Equal(t, c, s.Count()) } func TestSelector_Clause(t *testing.T) { s := NewSelector() c := ClauseSame s.SetClause(c) require.Equal(t, c, s.Clause()) } func TestSelector_Attribute(t *testing.T) { s := NewSelector() a := "some attribute" s.SetAttribute(a) require.Equal(t, a, s.Attribute()) } func TestSelector_Filter(t *testing.T) { s := NewSelector() f := "some filter" s.SetFilter(f) require.Equal(t, f, s.Filter()) } func TestSelectorEncoding(t *testing.T) { s := newSelector("name", "atte", ClauseSame, 1, "filter") t.Run("binary", func(t *testing.T) { data, err := s.Marshal() require.NoError(t, err) s2 := *NewSelector() require.NoError(t, s2.Unmarshal(data)) require.Equal(t, s, s2) }) t.Run("json", func(t *testing.T) { data, err := s.MarshalJSON() require.NoError(t, err) s2 := *NewSelector() require.NoError(t, s2.UnmarshalJSON(data)) require.Equal(t, s, s2) }) } func TestSelector_ToV2(t *testing.T) { t.Run("nil", func(t *testing.T) { var x *Selector require.Nil(t, x.ToV2()) }) } func TestNewSelectorFromV2(t *testing.T) { t.Run("from nil", func(t *testing.T) { var x *netmap.Selector require.Nil(t, NewSelectorFromV2(x)) }) t.Run("from non-nil", func(t *testing.T) { sV2 := testv2.GenerateSelector(false) s := NewSelectorFromV2(sV2) require.Equal(t, sV2, s.ToV2()) }) } func TestNewSelector(t *testing.T) { t.Run("default values", func(t *testing.T) { s := NewSelector() // check initial values require.Zero(t, s.Count()) require.Equal(t, ClauseUnspecified, s.Clause()) require.Empty(t, s.Attribute()) require.Empty(t, s.Name()) require.Empty(t, s.Filter()) // convert to v2 message sV2 := s.ToV2() require.Zero(t, sV2.GetCount()) require.Equal(t, netmap.UnspecifiedClause, sV2.GetClause()) require.Empty(t, sV2.GetAttribute()) require.Empty(t, sV2.GetName()) require.Empty(t, sV2.GetFilter()) }) }