Actualización

vendor/graphp/algorithms/tests/TravelingSalesmanProblem/BruteforceTest.php

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+<?php
+
+use Fhaculty\Graph\Graph;
+use Graphp\Algorithms\TravelingSalesmanProblem\Bruteforce;
+
+class BruteforceTest extends TestCase
+{
+    public function testGetWeightReturnsExpectedWeightForSimpleCycle()
+    {
+        $graph = new Graph();
+        $a = $graph->createVertex();
+        $b = $graph->createVertex();
+        $c = $graph->createVertex();
+        $a->createEdgeTo($b)->setWeight(1);
+        $b->createEdgeTo($c)->setWeight(2);
+        $c->createEdgeTo($a)->setWeight(3);
+
+        $alg = new Bruteforce($graph);
+
+        $this->assertEquals(6, $alg->getWeight());
+    }
+
+    public function testSetUpperLimitMstSetsExactLimitForSimpleCycle()
+    {
+        $graph = new Graph();
+        $a = $graph->createVertex();
+        $b = $graph->createVertex();
+        $c = $graph->createVertex();
+        $a->createEdgeTo($b)->setWeight(1);
+        $b->createEdgeTo($c)->setWeight(2);
+        $c->createEdgeTo($a)->setWeight(3);
+
+        $alg = new Bruteforce($graph);
+        $alg->setUpperLimitMst();
+
+        $ref = new ReflectionProperty($alg, 'upperLimit');
+        $ref->setAccessible(true);
+
+        $this->assertEquals(6, $ref->getValue($alg));
+    }
+}