forked from TrueCloudLab/frostfs-node
95 lines
2.7 KiB
Go
95 lines
2.7 KiB
Go
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package placement_test
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import (
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"strconv"
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"testing"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object_manager/placement"
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cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
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cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
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netmapSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
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"github.com/stretchr/testify/require"
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)
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func TestContainerNodesCache(t *testing.T) {
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const size = 3
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nodes := [6]netmapSDK.NodeInfo{}
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for i := range nodes {
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nodes[i].SetAttribute("ATTR", strconv.Itoa(i))
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}
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nm := func(epoch uint64, nodes []netmapSDK.NodeInfo) *netmapSDK.NetMap {
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var nm netmapSDK.NetMap
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nm.SetEpoch(epoch)
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nm.SetNodes(nodes)
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return &nm
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}
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var pp netmapSDK.PlacementPolicy
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require.NoError(t, pp.DecodeString("REP 1"))
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t.Run("update netmap on the new epoch", func(t *testing.T) {
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c := placement.NewContainerNodesCache(size)
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cnr := cidtest.ID()
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res, err := c.ContainerNodes(nm(1, nodes[0:1]), cnr, pp)
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require.NoError(t, err)
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// Use other nodes in the argument to ensure the result is taken from cache.
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resCached, err := c.ContainerNodes(nm(1, nodes[1:2]), cnr, pp)
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require.NoError(t, err)
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require.Equal(t, res, resCached)
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// Update epoch, netmap should be purged.
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resCached, err = c.ContainerNodes(nm(2, nodes[2:3]), cnr, pp)
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require.NoError(t, err)
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require.NotEqual(t, res, resCached)
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})
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t.Run("cache uses container as a key", func(t *testing.T) {
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c := placement.NewContainerNodesCache(size)
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res1, err := c.ContainerNodes(nm(1, nodes[0:1]), cidtest.ID(), pp)
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require.NoError(t, err)
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res2, err := c.ContainerNodes(nm(1, nodes[1:2]), cidtest.ID(), pp)
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require.NoError(t, err)
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require.NotEqual(t, res1, res2)
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})
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t.Run("cache respects size parameter", func(t *testing.T) {
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c := placement.NewContainerNodesCache(size)
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nm1 := nm(1, nodes[0:1])
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nm2 := nm(1, nodes[1:2])
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cnr := [size * 2]cid.ID{}
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res := [size * 2][][]netmapSDK.NodeInfo{}
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for i := 0; i < size*2; i++ {
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cnr[i] = cidtest.ID()
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var err error
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res[i], err = c.ContainerNodes(nm1, cnr[i], pp)
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require.NoError(t, err)
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}
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for i := size; i < size*2; i++ {
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r, err := c.ContainerNodes(nm2, cnr[i], pp)
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require.NoError(t, err)
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require.Equal(t, res[i], r)
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}
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for i := 0; i < size; i++ {
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r, err := c.ContainerNodes(nm2, cnr[i], pp)
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require.NoError(t, err)
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require.NotEqual(t, res[i], r)
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}
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})
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t.Run("the error is propagated", func(t *testing.T) {
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var pp netmapSDK.PlacementPolicy
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require.NoError(t, pp.DecodeString("REP 1 SELECT 1 FROM X FILTER ATTR EQ 42 AS X"))
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c := placement.NewContainerNodesCache(size)
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_, err := c.ContainerNodes(nm(1, nodes[0:1]), cidtest.ID(), pp)
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require.Error(t, err)
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})
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}
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