func TestUpdateOne(t *testing.T) {
db := NewInMemDatabase()
instance := new(types.VirtualMachine)
instance.SetUuid(uuid.New())
instance.SetName("instance")
assert.NoError(t, db.Put(instance, nil, UIDList{}))
vmi1 := new(types.VirtualMachineInterface)
vmi1.SetUuid(uuid.New())
vmi1.SetName("port1")
assert.NoError(t, db.Put(vmi1, nil, GetReferenceList(vmi1)))
vmi1.AddVirtualMachine(instance)
assert.NoError(t, db.Update(vmi1, GetReferenceList(vmi1)))
result, err := db.GetBackReferences(parseUID(instance.GetUuid()), "virtual_machine_interface")
assert.NoError(t, err)
assert.Contains(t, result, parseUID(vmi1.GetUuid()))
vmi1.ClearVirtualMachine()
assert.NoError(t, db.Update(vmi1, GetReferenceList(vmi1)))
result, err = db.GetBackReferences(parseUID(instance.GetUuid()), "virtual_machine_interface")
assert.NoError(t, err)
assert.Len(t, result, 0)
}
