graphviz-builder/test/spec/Graph.ts

/*
 * Copyright (C) Sapphirecode - All Rights Reserved
 * This file is part of graphviz-builder which is released under MIT.
 * See file 'LICENSE' for full license details.
 * Created by Timo Hocker <timo@scode.ovh>, May 2020
 */

/* eslint-disable max-nested-callbacks */
import { Graph, Color } from '../../lib';

// eslint-disable-next-line max-lines-per-function
describe ('graph', () => {
  const result = `digraph foo {
  subgraph cluster_foo_baz {
    color = #ff0000
    style = bold

    subgraph cluster_foo_baz_nested {
      color = #808080
      style = dotted

      subgraph cluster_foo_baz_nested_unnamed {
        color = #808080
        style = dotted
      }
    }

    foo_baz_asd [label="asd"]
    foo_baz_test [style="bold", color="#808080"]
  }

  foo_baz [label="baz"]
  foo_foo [label="foo"]

  foo_foo -> foo_baz
}`;

  const non_directional = `graph foo {
  subgraph cluster_foo_bar {
    foo_bar_baz [label="baz"]
    foo_bar_asd [label="asd"]

    foo_bar_baz -- foo_bar_asd
  }

  foo_foo [label="foo"]

  foo_bar_baz -- foo_foo
}`;

  const attributes = `digraph attr {
  color = #000000
  style = bold
  overlap = false
  splines = true
  layout = neato
}`;

  it ('should serialize', () => {
    const g = new Graph ('foo');

    expect (g.full_name)
      .toEqual ('foo');
    g.add_graph ((graph) => {
      graph.name = 'baz';
      graph.add_node ('asd');
      graph.add_node ((n) => {
        n.name = 'test';
        n.style = 'bold';
        n.color = Color.gray;
      });

      // eslint-disable-next-line no-shadow
      graph.add_graph ((g) => {
        g.style = 'dotted';
        g.color = Color.gray;
        g.name = 'nested';

        // eslint-disable-next-line no-shadow
        g.add_graph ((g) => {
          g.style = 'dotted';
          g.color = Color.gray;
        });
      });
      graph.style = 'bold';
      graph.color = Color.red;
    });

    const baz = g.add_node ('baz');
    const foo = g.add_node ('foo');

    g.add_edge (foo, baz);

    const serialized = g.toString ();

    expect (serialized)
      .toEqual (result);
  });

  it ('non directional', () => {
    const g = new Graph ('foo');

    g.directional = false;

    let n = '';

    g.add_graph ((sub) => {
      sub.name = 'bar';
      n = sub.add_node ('baz');
      const n2 = sub.add_node ('asd');

      sub.add_edge (n, n2);
    });

    const f = g.add_node ('foo');

    g.add_edge (n, f);

    expect (g.toString ())
      .toEqual (non_directional);
  });

  it ('attributes', () => {
    const g = new Graph ('attr');

    g.layout = 'neato';
    g.overlap = false;
    g.splines = true;
    g.color = Color.black;
    g.style = 'bold';

    expect (g.toString ())
      .toEqual (attributes);
  });
});