Add tests with 100% coverage for Algorithm\Complete

Author: clue

tests/CompleteTest.php

@@ -0,0 +1,65 @@
+<?php
+
+use Fhaculty\Graph\Algorithm\Complete as AlgorithmComplete;
+use Fhaculty\Graph\Graph;
+
+class CompleteTest extends TestCase
+{
+    public function testGraphEmptyK0()
+    {
+        $graph = new Graph();
+
+        $alg = new AlgorithmComplete($graph);
+        
+        $this->assertTrue($alg->isComplete());
+    }
+    
+    public function testGraphSingleTrivialK1()
+    {
+        $graph = new Graph();
+        $graph->createVertex(1);
+    
+        $alg = new AlgorithmComplete($graph);
+    
+        $this->assertTrue($alg->isComplete());
+    }
+    
+    public function testGraphSimplePairK2()
+    {
+        // 1 -- 2
+        $graph = new Graph();
+        $graph->createVertex(1)->createEdge($graph->createVertex(2));
+    
+        $alg = new AlgorithmComplete($graph);
+    
+        $this->assertTrue($alg->isComplete());
+    }
+    
+    public function testGraphSingleDirectedIsNotComplete()
+    {
+        // 1 -> 2
+        $graph = new Graph();
+        $graph->createVertex(1)->createEdgeTo($graph->createVertex(2));
+    
+        $alg = new AlgorithmComplete($graph);
+    
+        $this->assertFalse($alg->isComplete());
+    }
+    
+    public function testAdditionalEdgesToNotAffectCompleteness()
+    {
+        // 1 -> 2
+        // 1 -- 2
+        // 2 -> 1
+        // 1 -> 1
+        $graph = new Graph();
+        $graph->createVertex(1)->createEdgeTo($graph->createVertex(2));
+        $graph->getVertex(1)->createEdge($graph->getVertex(2));
+        $graph->getVertex(2)->createEdgeTo($graph->getVertex(1));
+        $graph->getVertex(1)->createEdgeTo($graph->getVertex(1));
+    
+        $alg = new AlgorithmComplete($graph);
+    
+        $this->assertTrue($alg->isComplete());
+    }
+}