flow like the river

VISUALIZACION/node_modules/ngraph.graph/test/findConnectedComponents.js

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+var test = require('tap').test;
+var findConnectedComponents = require('../examples/findConnectedComponents');
+var createGraph = require('..');
+
+test('can find connected components', function(t) {
+  // our graph has three components
+  var graph = createGraph();
+  graph.addLink(1, 2);
+  graph.addLink(2, 3);
+
+  graph.addLink(5, 6);
+  graph.addNode(8);
+  // let's add loop:
+  graph.addLink(9, 9);
+
+  // lets verify it:
+  var components = findConnectedComponents(graph);
+  t.equal(components.length, 4, 'all components found');
+  t.same(components[0], [1, 2, 3], 'first component found');
+  t.same(components[1], [5, 6], 'second component found');
+  t.same(components[2], [8], 'third component found');
+  t.same(components[3], [9], 'fourth component found');
+
+  t.end();
+});