func TestNullAPI(test *testing.T) { var api client.API = new(nullAPI) // all the methods return errors, all the time. if _, err := api.Machines(); err == nil { test.Error("Machines() did not return an error") } if _, err := api.Unit("foo"); err == nil { test.Error("Unit() did not return an error") } if _, err := api.Units(); err == nil { test.Error("Units() did not return an error") } if _, err := api.UnitStates(); err == nil { test.Error("UnitStates() did not return an error") } if err := api.SetUnitTargetState("foo", "bar"); err == nil { test.Error("SetUnitTargetState() did not return an error") } if err := api.CreateUnit(nil); err == nil { test.Error("CreateUnit() did not return an error") } if err := api.DestroyUnit("foo"); err == nil { test.Error("DestroyUnit() did not return an error") } }