// ExtractUpdate decorates a UpdateResult struct returned from a
// networks.Update() function with extended attributes.
func ExtractUpdate(r networks.UpdateResult) (*NetworkExternal, error) {
var s struct {
Network *NetworkExternal `json:"network"`
}
err := r.ExtractInto(&s)
return s.Network, err
}
func TestExtractFnsReturnsErrWhenResultContainsErr(t *testing.T) {
gr := networks.GetResult{}
gr.Err = errors.New("")
if _, err := external.ExtractGet(gr); err == nil {
t.Fatalf("Expected error, got one")
}
ur := networks.UpdateResult{}
ur.Err = errors.New("")
if _, err := external.ExtractUpdate(ur); err == nil {
t.Fatalf("Expected error, got one")
}
cr := networks.CreateResult{}
cr.Err = errors.New("")
if _, err := external.ExtractCreate(cr); err == nil {
t.Fatalf("Expected error, got one")
}
}