import fs from 'fs';
import test from 'ava';
import { Graph, Node } from '../lib';

const result = `subgraph cluster_bar_foo {
  subgraph cluster_bar_foo_baz {

    bar_foo_baz_asd

  }

  bar_foo_baz
  bar_foo_foo

  bar_foo_foo -> bar_foo_baz
}`;

test ('serialize', (t) => {
  const g = new Graph ('foo', 'bar');

  t.is (g.full_name, 'bar_foo');
  g.add_graph (() => {
    const graph = new Graph ('baz');
    graph.add_node (() => new Node ('asd'));
    return graph;
  });

  g.add_node (() => new Node ('baz'));
  g.add_node (() => new Node ('foo'));
  g.add_edge ('foo', 'baz');

  const serialized = g.toString ();

  t.is (serialized, result);
});