forked from TrueCloudLab/frostfs-sdk-go
106 lines
2.5 KiB
Go
106 lines
2.5 KiB
Go
package netmap
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import (
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"encoding/json"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/require"
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)
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// TestCase represents collection of placement policy tests for a single node set.
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type TestCase struct {
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Name string `json:"name"`
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Nodes []NodeInfo `json:"nodes"`
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Tests map[string]struct {
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Policy PlacementPolicy `json:"policy"`
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Pivot []byte `json:"pivot,omitempty"`
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Result [][]int `json:"result,omitempty"`
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Error string `json:"error,omitempty"`
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Placement struct {
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Pivot []byte
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Result [][]int
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} `json:"placement,omitempty"`
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}
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}
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func compareNodes(t *testing.T, expected [][]int, nodes Nodes, actual []Nodes) {
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require.Equal(t, len(expected), len(actual))
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for i := range expected {
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require.Equal(t, len(expected[i]), len(actual[i]))
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for j, index := range expected[i] {
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require.Equal(t, nodes[index], actual[i][j])
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}
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}
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}
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func TestPlacementPolicy_Interopability(t *testing.T) {
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const testsDir = "./json_tests"
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f, err := os.Open(testsDir)
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require.NoError(t, err)
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ds, err := f.ReadDir(0)
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require.NoError(t, err)
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for i := range ds {
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bs, err := ioutil.ReadFile(filepath.Join(testsDir, ds[i].Name()))
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require.NoError(t, err)
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var tc TestCase
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require.NoError(t, json.Unmarshal(bs, &tc), "cannot unmarshal %s", ds[i].Name())
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t.Run(tc.Name, func(t *testing.T) {
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nodes := NodesFromInfo(tc.Nodes)
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nm, err := NewNetmap(nodes)
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require.NoError(t, err)
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for name, tt := range tc.Tests {
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t.Run(name, func(t *testing.T) {
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v, err := nm.GetContainerNodes(&tt.Policy, tt.Pivot)
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if tt.Result == nil {
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require.Error(t, err)
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require.Contains(t, err.Error(), tt.Error)
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} else {
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require.NoError(t, err)
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res := v.Replicas()
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compareNodes(t, tt.Result, nodes, res)
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if tt.Placement.Result != nil {
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res, err := nm.GetPlacementVectors(v, tt.Placement.Pivot)
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require.NoError(t, err)
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compareNodes(t, tt.Placement.Result, nodes, res)
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}
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}
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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 BenchmarkManySelects(b *testing.B) {
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testsFile := filepath.Join("json_tests", "many_selects.json")
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bs, err := ioutil.ReadFile(testsFile)
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require.NoError(b, err)
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var tc TestCase
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require.NoError(b, json.Unmarshal(bs, &tc))
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tt, ok := tc.Tests["Select"]
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require.True(b, ok)
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nodes := NodesFromInfo(tc.Nodes)
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nm, err := NewNetmap(nodes)
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require.NoError(b, err)
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b.ResetTimer()
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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_, err = nm.GetContainerNodes(&tt.Policy, tt.Pivot)
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if err != nil {
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b.FailNow()
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}
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}
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}
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