phpmetrics / PhpMetrics

 * @group complexity

 * @group defect

 */

class SystemComplexityVisitorTest extends \PHPUnit\Framework\TestCase

{

    /**

     * @dataProvider provideExamples

     *

     * @param string $filename

     * @param string $class

     * @param float $rdc

     * @param float $rsc

     * @param float $rsysc

     */

    public function testLackOfCohesionOfMethodsIsWellCalculated($filename, $class, $rdc, $rsc, $rsysc)

    {

        $metrics = new Metrics();

        $parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);

        $traverser = new \PhpParser\NodeTraverser();

        $traverser->addVisitor(new \PhpParser\NodeVisitor\NameResolver());

        $traverser->addVisitor(new ClassEnumVisitor($metrics));

        $traverser->addVisitor(new SystemComplexityVisitor($metrics));

        $code = file_get_contents($filename);

        $this->assertNotFalse($code);

        $stmts = $parser->parse($code);

        $this->assertNotNull($stmts);

        $traverser->traverse($stmts);

        $metric = $metrics->get('A');

        $this->assertNotNull($metric);

        $this->assertSame($rdc, $metric->get('relativeDataComplexity'));

        $this->assertSame($rsc, $metric->get('relativeStructuralComplexity'));

        $this->assertSame($rsysc, $metric->get('relativeSystemComplexity'));

    }

    /** @return mixed[] */

    public function provideExamples()

    {

        return [

            [ __DIR__ . '/../../examples/systemcomplexity1.php', 'A', 2.5, 1.0, 3.5],

        ];

    }

}

 * @group loc

 * @group metric

 */

class LengthVisitorTest extends \PHPUnit\Framework\TestCase

{

    /**

     * @dataProvider provideExamples

     *

     * @param string $example

     * @param string $functionName

     * @param int $loc

     * @param int $lloc

     * @param int $cloc

     */

    public function testLineCountsAreWellCalculated($example, $functionName, $loc, $lloc, $cloc)

    {

        $metrics = new Metrics();

        $parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);

        $traverser = new \PhpParser\NodeTraverser();

        $traverser->addVisitor(new \PhpParser\NodeVisitor\NameResolver());

        $traverser->addVisitor(new ClassEnumVisitor($metrics));

        $traverser->addVisitor(new LengthVisitor($metrics));

        $code = file_get_contents($example);

        $this->assertNotFalse($code);

        $stmts = $parser->parse($code);

        $this->assertNotNull($stmts);

        $traverser->traverse($stmts);

        $metric = $metrics->get($functionName);

        $this->assertNotNull($metric);

        $this->assertEquals($lloc, $metric->get('lloc'));

        $this->assertEquals($cloc, $metric->get('cloc'));

        $this->assertEquals($loc, $metric->get('loc'));

    }

    /** @return mixed[] */

    public function provideExamples()

    {

        return [

            [ __DIR__ . '/../../examples/loc1.php', 'A', 21, 13, 8],

        ];

    }

}