upgrade

vendor/graphp/algorithms/tests/WeightTest.php

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+<?php
+
+use Fhaculty\Graph\Graph;
+use Graphp\Algorithms\Weight as AlgorithmWeight;
+
+class WeightTest extends TestCase
+{
+    public function testGraphEmpty()
+    {
+        $graph = new Graph();
+
+        $alg = new AlgorithmWeight($graph);
+
+        $this->assertEquals(null, $alg->getWeight());
+        $this->assertEquals(0, $alg->getWeightFlow());
+        $this->assertEquals(null, $alg->getWeightMin());
+        $this->assertFalse($alg->isWeighted());
+
+        return $graph;
+    }
+
+    /**
+     *
+     * @param Graph $graph
+     * @depends testGraphEmpty
+     */
+    public function testGraphSimple(Graph $graph)
+    {
+        // 1 -> 2
+        $graph->createVertex(1)->createEdgeTo($graph->createVertex(2))->setWeight(3)->setFlow(4);
+
+        $alg = new AlgorithmWeight($graph);
+
+        $this->assertEquals(3, $alg->getWeight());
+        $this->assertEquals(12, $alg->getWeightFlow());
+        $this->assertEquals(3, $alg->getWeightMin());
+        $this->assertTrue($alg->isWeighted());
+
+        return $graph;
+    }
+
+    /**
+     *
+     * @param Graph $graph
+     * @depends testGraphSimple
+     */
+    public function testGraphWithUnweightedEdges(Graph $graph)
+    {
+        $graph->createVertex(5)->createEdgeTo($graph->createVertex(6))->setFlow(7);
+
+        $alg = new AlgorithmWeight($graph);
+
+        $this->assertEquals(3, $alg->getWeight());
+        $this->assertEquals(12, $alg->getWeightFlow());
+        $this->assertEquals(3, $alg->getWeightMin());
+        $this->assertTrue($alg->isWeighted());
+    }
+}