frostfs-http-gw/tree/tree_test.go

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package tree
import (
"testing"
"github.com/stretchr/testify/require"
)
type nodeMeta struct {
key string
value []byte
}
func (m nodeMeta) GetKey() string {
return m.key
}
func (m nodeMeta) GetValue() []byte {
return m.value
}
type nodeResponse struct {
meta []nodeMeta
timestamp uint64
}
func (n nodeResponse) GetTimestamp() uint64 {
return n.timestamp
}
func (n nodeResponse) GetMeta() []Meta {
res := make([]Meta, len(n.meta))
for i, value := range n.meta {
res[i] = value
}
return res
}
func TestGetLatestNode(t *testing.T) {
for _, tc := range []struct {
name string
nodes []NodeResponse
exceptedOID string
error bool
}{
{
name: "empty",
nodes: []NodeResponse{},
error: true,
},
{
name: "one node of the object version",
nodes: []NodeResponse{
nodeResponse{
timestamp: 1,
meta: []nodeMeta{
{
key: oidKV,
value: []byte("oid1"),
},
},
},
},
exceptedOID: "oid1",
},
{
name: "one node of the object version and one node of the secondary object",
nodes: []NodeResponse{
nodeResponse{
timestamp: 3,
meta: []nodeMeta{},
},
nodeResponse{
timestamp: 1,
meta: []nodeMeta{
{
key: oidKV,
value: []byte("oid1"),
},
},
},
},
exceptedOID: "oid1",
},
{
name: "all nodes represent a secondary object",
nodes: []NodeResponse{
nodeResponse{
timestamp: 3,
meta: []nodeMeta{},
},
nodeResponse{
timestamp: 5,
meta: []nodeMeta{},
},
},
error: true,
},
{
name: "several nodes of different types and with different timestamp",
nodes: []NodeResponse{
nodeResponse{
timestamp: 1,
meta: []nodeMeta{
{
key: oidKV,
value: []byte("oid1"),
},
},
},
nodeResponse{
timestamp: 3,
meta: []nodeMeta{},
},
nodeResponse{
timestamp: 4,
meta: []nodeMeta{
{
key: oidKV,
value: []byte("oid2"),
},
},
},
nodeResponse{
timestamp: 6,
meta: []nodeMeta{},
},
},
exceptedOID: "oid2",
},
} {
t.Run(tc.name, func(t *testing.T) {
actualNode, err := getLatestNode(tc.nodes)
if tc.error {
require.Error(t, err)
return
}
require.NoError(t, err)
require.Equal(t, tc.exceptedOID, string(actualNode.GetMeta()[0].GetValue()))
})
}
}