// Ensure the data can be deeply copied.
func TestData_Clone(t *testing.T) {
data := meta.Data{
Term: 10,
Index: 20,
Nodes: []meta.NodeInfo{
{ID: 1, Host: "host0"},
{ID: 2, Host: "host1"},
},
Databases: []meta.DatabaseInfo{
{
Name: "db0",
DefaultRetentionPolicy: "default",
RetentionPolicies: []meta.RetentionPolicyInfo{
{
Name: "rp0",
ReplicaN: 3,
Duration: 10 * time.Second,
ShardGroupDuration: 3 * time.Millisecond,
ShardGroups: []meta.ShardGroupInfo{
{
ID: 100,
StartTime: time.Date(2000, time.January, 1, 0, 0, 0, 0, time.UTC),
EndTime: time.Date(2000, time.February, 1, 0, 0, 0, 0, time.UTC),
Shards: []meta.ShardInfo{
{
ID: 200,
Owners: []meta.ShardOwner{
{NodeID: 1},
{NodeID: 3},
{NodeID: 4},
},
},
},
},
},
},
},
ContinuousQueries: []meta.ContinuousQueryInfo{
{Query: "SELECT count() FROM foo"},
},
},
},
Users: []meta.UserInfo{
{
Name: "susy",
Hash: "ABC123",
Admin: true,
Privileges: map[string]influxql.Privilege{"db0": influxql.AllPrivileges},
},
},
}
// Copy the root structure.
other := data.Clone()
if !reflect.DeepEqual(data.Nodes, other.Nodes) {
t.Fatalf("unexpected cloned nodes: %#v", other.Nodes)
} else if !reflect.DeepEqual(data.Databases, other.Databases) {
t.Fatalf("unexpected cloned databases: %#v", other.Databases)
} else if !reflect.DeepEqual(data.Users, other.Users) {
t.Fatalf("unexpected cloned users: %#v", other.Users)
}
// Ensure that changing data in the clone does not affect the original.
other.Databases[0].RetentionPolicies[0].ShardGroups[0].Shards[0].Owners[1].NodeID = 9
if v := data.Databases[0].RetentionPolicies[0].ShardGroups[0].Shards[0].Owners[1].NodeID; v != 3 {
t.Fatalf("editing clone changed original: %v", v)
}
}