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package datastore
import (
"encoding/json"
"reflect"
"testing"
"github.com/docker/docker/libnetwork/options"
"gotest.tools/v3/assert"
)
var dummyKey = "dummy"
// NewCustomDataStore can be used by other Tests in order to use custom datastore
func NewTestDataStore() DataStore {
return &datastore{scope: LocalScope, store: NewMockStore()}
}
func TestKey(t *testing.T) {
eKey := []string{"hello", "world"}
sKey := Key(eKey...)
if sKey != "docker/network/v1.0/hello/world/" {
t.Fatalf("unexpected key : %s", sKey)
}
}
func TestParseKey(t *testing.T) {
keySlice, err := ParseKey("/docker/network/v1.0/hello/world/")
if err != nil {
t.Fatal(err)
}
eKey := []string{"hello", "world"}
if len(keySlice) < 2 || !reflect.DeepEqual(eKey, keySlice) {
t.Fatalf("unexpected unkey : %s", keySlice)
}
}
func TestInvalidDataStore(t *testing.T) {
config := ScopeCfg{
Client: ScopeClientCfg{
Provider: "invalid",
Address: "localhost:8500",
},
}
_, err := NewDataStore(config)
if err == nil {
t.Fatal("Invalid Datastore connection configuration must result in a failure")
}
}
func TestKVObjectFlatKey(t *testing.T) {
store := NewTestDataStore()
expected := dummyKVObject("1000", true)
err := store.PutObject(expected)
if err != nil {
t.Fatal(err)
}
keychain := []string{dummyKey, "1000"}
data, err := store.KVStore().Get(Key(keychain...))
if err != nil {
t.Fatal(err)
}
var n dummyObject
json.Unmarshal(data.Value, &n)
if n.Name != expected.Name {
t.Fatal("Dummy object doesn't match the expected object")
}
}
func TestAtomicKVObjectFlatKey(t *testing.T) {
store := NewTestDataStore()
expected := dummyKVObject("1111", true)
assert.Check(t, !expected.Exists())
err := store.PutObjectAtomic(expected)
if err != nil {
t.Fatal(err)
}
assert.Check(t, expected.Exists())
// PutObjectAtomic automatically sets the Index again. Hence the following must pass.
err = store.PutObjectAtomic(expected)
if err != nil {
t.Fatal("Atomic update should succeed.")
}
// Get the latest index and try PutObjectAtomic again for the same Key
// This must succeed as well
data, err := store.KVStore().Get(Key(expected.Key()...))
if err != nil {
t.Fatal(err)
}
n := dummyObject{}
json.Unmarshal(data.Value, &n)
n.ID = "1111"
n.SetIndex(data.LastIndex)
n.ReturnValue = true
err = store.PutObjectAtomic(&n)
if err != nil {
t.Fatal(err)
}
// Get the Object using GetObject, then set again.
newObj := dummyObject{}
err = store.GetObject(Key(expected.Key()...), &newObj)
if err != nil {
t.Fatal(err)
}
assert.Check(t, newObj.Exists())
err = store.PutObjectAtomic(&n)
if err != nil {
t.Fatal(err)
}
}
// dummy data used to test the datastore
type dummyObject struct {
Name string `kv:"leaf"`
NetworkType string `kv:"leaf"`
EnableIPv6 bool `kv:"leaf"`
Rec *recStruct `kv:"recursive"`
Dict map[string]*recStruct `kv:"iterative"`
Generic options.Generic `kv:"iterative"`
ID string
DBIndex uint64
DBExists bool
SkipSave bool
ReturnValue bool
}
func (n *dummyObject) Key() []string {
return []string{dummyKey, n.ID}
}
func (n *dummyObject) KeyPrefix() []string {
return []string{dummyKey}
}
func (n *dummyObject) Value() []byte {
if !n.ReturnValue {
return nil
}
b, err := json.Marshal(n)
if err != nil {
return nil
}
return b
}
func (n *dummyObject) SetValue(value []byte) error {
return json.Unmarshal(value, n)
}
func (n *dummyObject) Index() uint64 {
return n.DBIndex
}
func (n *dummyObject) SetIndex(index uint64) {
n.DBIndex = index
n.DBExists = true
}
func (n *dummyObject) Exists() bool {
return n.DBExists
}
func (n *dummyObject) Skip() bool {
return n.SkipSave
}
func (n *dummyObject) DataScope() string {
return LocalScope
}
func (n *dummyObject) MarshalJSON() ([]byte, error) {
netMap := make(map[string]interface{})
netMap["name"] = n.Name
netMap["networkType"] = n.NetworkType
netMap["enableIPv6"] = n.EnableIPv6
netMap["generic"] = n.Generic
return json.Marshal(netMap)
}
func (n *dummyObject) UnmarshalJSON(b []byte) (err error) {
var netMap map[string]interface{}
if err := json.Unmarshal(b, &netMap); err != nil {
return err
}
n.Name = netMap["name"].(string)
n.NetworkType = netMap["networkType"].(string)
n.EnableIPv6 = netMap["enableIPv6"].(bool)
n.Generic = netMap["generic"].(map[string]interface{})
return nil
}
// dummy structure to test "recursive" cases
type recStruct struct {
Name string `kv:"leaf"`
Field1 int `kv:"leaf"`
Dict map[string]string `kv:"iterative"`
DBIndex uint64
DBExists bool
SkipSave bool
}
func (r *recStruct) Key() []string {
return []string{"recStruct"}
}
func (r *recStruct) Value() []byte {
b, err := json.Marshal(r)
if err != nil {
return nil
}
return b
}
func (r *recStruct) SetValue(value []byte) error {
return json.Unmarshal(value, r)
}
func (r *recStruct) Index() uint64 {
return r.DBIndex
}
func (r *recStruct) SetIndex(index uint64) {
r.DBIndex = index
r.DBExists = true
}
func (r *recStruct) Exists() bool {
return r.DBExists
}
func (r *recStruct) Skip() bool {
return r.SkipSave
}
func dummyKVObject(id string, retValue bool) *dummyObject {
cDict := make(map[string]string)
cDict["foo"] = "bar"
cDict["hello"] = "world"
n := dummyObject{
Name: "testNw",
NetworkType: "bridge",
EnableIPv6: true,
Rec: &recStruct{"gen", 5, cDict, 0, false, false},
ID: id,
DBIndex: 0,
ReturnValue: retValue,
DBExists: false,
SkipSave: false}
generic := make(map[string]interface{})
generic["label1"] = &recStruct{"value1", 1, cDict, 0, false, false}
generic["label2"] = "subnet=10.1.1.0/16"
n.Generic = generic
return &n
}
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