package controllogic

import "testing"

func TestStoreRoundTripStateVars(t *testing.T) {
	dir := t.TempDir()
	st, err := NewStore(dir) // NewStore takes the storage DIRECTORY
	if err != nil {
		t.Fatal(err)
	}
	g := Graph{
		ID:   "g1",
		Name: "with-vars",
		StateVars: []StateVar{
			{Name: "count", Type: "number", Initial: "0"},
			{Name: "buf", Type: "array", Initial: "[1,2]", Elem: "number", Sizing: "capped", Capacity: 5},
		},
	}
	if err := st.Save(g); err != nil { // Save returns only error
		t.Fatal(err)
	}
	st2, err := NewStore(dir)
	if err != nil {
		t.Fatal(err)
	}
	got, err := st2.Get("g1") // Get returns (Graph, error); ErrNotFound if absent
	if err != nil {
		t.Fatal(err)
	}
	if len(got.StateVars) != 2 || got.StateVars[1].Name != "buf" || got.StateVars[1].Capacity != 5 {
		t.Fatalf("statevars not round-tripped: %#v", got.StateVars)
	}
}