Files
Chamilo/vendor/graphp/algorithms/tests/ParallelTest.php
2025-04-10 12:24:57 +02:00

98 lines
3.1 KiB
PHP

<?php
use Fhaculty\Graph\Graph;
use Graphp\Algorithms\Parallel as AlgorithmParallel;
class ParallelTest extends TestCase
{
public function testGraphEmpty()
{
$graph = new Graph();
$alg = new AlgorithmParallel($graph);
$this->assertFalse($alg->hasEdgeParallel());
}
public function testDirectedCycleIsNotConsideredParallel()
{
// 1 -> 2
// 2 -> 1
$graph = new Graph();
$v1 = $graph->createVertex(1);
$v2 = $graph->createVertex(2);
$e1 = $v1->createEdgeTo($v2);
$e2 = $v2->createEdgeTo($v1);
$alg = new AlgorithmParallel($graph);
$this->assertFalse($alg->hasEdgeParallel());
$this->assertEquals(array(), $alg->getEdgesParallelEdge($e1)->getVector());
$this->assertEquals(array(), $alg->getEdgesParallelEdge($e2)->getVector());
}
public function testDirectedParallelEdge()
{
// 1 -> 2
// 1 -> 2
$graph = new Graph();
$v1 = $graph->createVertex(1);
$v2 = $graph->createVertex(2);
$e1 = $v1->createEdgeTo($v2);
$e2 = $v1->createEdgeTo($v2);
$alg = new AlgorithmParallel($graph);
$this->assertTrue($alg->hasEdgeParallel());
$this->assertEquals(array($e2), $alg->getEdgesParallelEdge($e1)->getVector());
$this->assertEquals(array($e1), $alg->getEdgesParallelEdge($e2)->getVector());
}
public function testMixedParallelEdge()
{
// 1 -> 2
// 1 -- 2
$graph = new Graph();
$v1 = $graph->createVertex(1);
$v2 = $graph->createVertex(2);
$e1 = $v1->createEdgeTo($v2);
$e2 = $v1->createEdge($v2);
$alg = new AlgorithmParallel($graph);
$this->assertTrue($alg->hasEdgeParallel());
$this->assertEquals(array($e2), $alg->getEdgesParallelEdge($e1)->getVector());
$this->assertEquals(array($e1), $alg->getEdgesParallelEdge($e2)->getVector());
}
public function testMixedParallelEdgesMultiple()
{
// 1 -> 2
// 1 -> 2
// 1 -- 2
// 1 -- 2
// 2 -> 1
// 2 -> 1
$graph = new Graph();
$v1 = $graph->createVertex(1);
$v2 = $graph->createVertex(2);
$e1 = $v1->createEdgeTo($v2);
$e2 = $v1->createEdgeTo($v2);
$e3 = $v1->createEdge($v2);
$e4 = $v1->createEdge($v2);
$e5 = $v2->createEdgeTo($v1);
$e6 = $v2->createEdgeTo($v1);
$alg = new AlgorithmParallel($graph);
$this->assertTrue($alg->hasEdgeParallel());
$this->assertEquals(array($e2, $e3, $e4), $alg->getEdgesParallelEdge($e1)->getVector());
$this->assertEquals(array($e1, $e3, $e4), $alg->getEdgesParallelEdge($e2)->getVector());
$this->assertEquals(array($e1, $e2, $e4, $e5, $e6), $alg->getEdgesParallelEdge($e3)->getVector());
$this->assertEquals(array($e1, $e2, $e3, $e5, $e6), $alg->getEdgesParallelEdge($e4)->getVector());
$this->assertEquals(array($e3, $e4, $e6), $alg->getEdgesParallelEdge($e5)->getVector());
$this->assertEquals(array($e3, $e4, $e5), $alg->getEdgesParallelEdge($e6)->getVector());
}
}