Xes
73154ae174
Fuente: https://github.com/chamilo/chamilo-lms/releases/download/v1.11.40/chamilo-1.11.40.zip sha256: 1cf4bf2cc7bae1ef1a1eff643235db1d552f78ddf4b6dd1e2d2dac9868679439 Snapshot independiente (rama huerfana); diffable vs 1.11.38. vendor incluido.
95 lines
2.9 KiB
PHP
95 lines
2.9 KiB
PHP
<?php
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use Fhaculty\Graph\Exception\UnderflowException;
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use Fhaculty\Graph\Exception\UnexpectedValueException;
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use Fhaculty\Graph\Graph;
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use Graphp\Algorithms\Degree as AlgorithmDegree;
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class DegreeTest extends TestCase
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{
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public function testGraphEmpty()
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{
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$graph = new Graph();
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$alg = new AlgorithmDegree($graph);
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try {
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$alg->getDegree();
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$this->fail();
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} catch (UnderflowException $e) { }
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try {
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$alg->getDegreeMin();
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$this->fail();
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} catch (UnderflowException $e) { }
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try {
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$alg->getDegreeMax();
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$this->fail();
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} catch (UnderflowException $e) { }
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$this->assertTrue($alg->isRegular());
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$this->assertTrue($alg->isBalanced());
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}
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public function testGraphIsolated()
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{
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$graph = new Graph();
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$graph->createVertex(1);
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$graph->createVertex(2);
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$alg = new AlgorithmDegree($graph);
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$this->assertEquals(0, $alg->getDegree());
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$this->assertEquals(0, $alg->getDegreeMin());
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$this->assertEquals(0, $alg->getDegreeMax());
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$this->assertTrue($alg->isRegular());
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$this->assertTrue($alg->isBalanced());
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}
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public function testGraphIrregular()
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{
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// 1 -> 2 -> 3
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$graph = new Graph();
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$v1 = $graph->createVertex(1);
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$v2 = $graph->createVertex(2);
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$v3 = $graph->createVertex(3);
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$v1->createEdgeTo($v2);
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$v2->createEdgeTo($v3);
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$alg = new AlgorithmDegree($graph);
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try {
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$this->assertEquals(0, $alg->getDegree());
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$this->fail();
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} catch (UnexpectedValueException $e) { }
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$this->assertEquals(1, $alg->getDegreeMin());
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$this->assertEquals(2, $alg->getDegreeMax());
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$this->assertFalse($alg->isRegular());
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$this->assertFalse($alg->isBalanced());
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$this->assertEquals(0, $alg->getDegreeInVertex($v1));
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$this->assertEquals(1, $alg->getDegreeOutVertex($v1));
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$this->assertEquals(1, $alg->getDegreeVertex($v1));
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$this->assertFalse($alg->isVertexIsolated($v1));
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$this->assertFalse($alg->isVertexSink($v1));
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$this->assertTrue($alg->isVertexSource($v1));
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$this->assertEquals(1, $alg->getDegreeInVertex($v2));
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$this->assertEquals(1, $alg->getDegreeOutVertex($v2));
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$this->assertEquals(2, $alg->getDegreeVertex($v2));
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$this->assertFalse($alg->isVertexIsolated($v2));
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$this->assertFalse($alg->isVertexSink($v2));
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$this->assertFalse($alg->isVertexSource($v2));
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$this->assertEquals(1, $alg->getDegreeInVertex($v3));
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$this->assertEquals(0, $alg->getDegreeOutVertex($v3));
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$this->assertEquals(1, $alg->getDegreeVertex($v3));
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$this->assertFalse($alg->isVertexIsolated($v3));
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$this->assertTrue($alg->isVertexSink($v3));
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$this->assertFalse($alg->isVertexSource($v3));
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}
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}
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