/pdepend/tests/PHP/Depend/Metrics/Inheritance/AnalyzerTest.php
PHP | 440 lines | 134 code | 37 blank | 269 comment | 0 complexity | 7674ed82c78af3c9ae16c67a984a8a2c MD5 | raw file
- <?php
- /**
- * This file is part of PHP_Depend.
- *
- * PHP Version 5
- *
- * Copyright (c) 2008-2010, Manuel Pichler <mapi@pdepend.org>.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * * Neither the name of Manuel Pichler nor the names of his
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- * @category QualityAssurance
- * @package PHP_Depend
- * @subpackage Metrics
- * @author Manuel Pichler <mapi@pdepend.org>
- * @copyright 2008-2010 Manuel Pichler. All rights reserved.
- * @license http://www.opensource.org/licenses/bsd-license.php BSD License
- * @version SVN: $Id$
- * @link http://pdepend.org/
- */
- require_once dirname(__FILE__) . '/../AbstractTest.php';
- require_once 'PHP/Depend/Code/Class.php';
- require_once 'PHP/Depend/Code/File.php';
- require_once 'PHP/Depend/Code/Interface.php';
- require_once 'PHP/Depend/Code/NodeIterator.php';
- require_once 'PHP/Depend/Code/Package.php';
- require_once 'PHP/Depend/Code/Filter/Package.php';
- require_once 'PHP/Depend/Code/Filter/Collection.php';
- require_once 'PHP/Depend/Metrics/Inheritance/Analyzer.php';
- /**
- * Test case for the inheritance analyzer.
- *
- * @category QualityAssurance
- * @package PHP_Depend
- * @subpackage Metrics
- * @author Manuel Pichler <mapi@pdepend.org>
- * @copyright 2008-2010 Manuel Pichler. All rights reserved.
- * @license http://www.opensource.org/licenses/bsd-license.php BSD License
- * @version Release: @package_version@
- * @link http://pdepend.org/
- */
- class PHP_Depend_Metrics_Inheritance_AnalyzerTest extends PHP_Depend_Metrics_AbstractTest
- {
- /**
- * Tests that the analyzer calculates the correct average number of derived
- * classes.
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testAnalyzerCalculatesCorrectANDCValue()
- {
- $filter = PHP_Depend_Code_Filter_Collection::getInstance();
- $filter->setFilter(new PHP_Depend_Code_Filter_Package(array('library')));
- $packages = self::parseTestCaseSource(__METHOD__);
- $analyzer = new PHP_Depend_Metrics_Inheritance_Analyzer();
- $analyzer->analyze($packages);
- $project = $analyzer->getProjectMetrics();
- $this->assertEquals(0.7368, $project['andc'], null, 0.0001);
- }
- /**
- * Tests that the analyzer calculates the correct average hierarchy height.
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testAnalyzerCalculatesCorrectAHHValue()
- {
- $filter = PHP_Depend_Code_Filter_Collection::getInstance();
- $filter->setFilter(new PHP_Depend_Code_Filter_Package(array('library')));
- $packages = self::parseTestCaseSource(__METHOD__);
- $analyzer = new PHP_Depend_Metrics_Inheritance_Analyzer();
- $analyzer->analyze($packages);
- $project = $analyzer->getProjectMetrics();
- $this->assertEquals(1, $project['ahh']);
- }
- /**
- * testCalculatesExpectedNoccMetricForClassWithoutChildren
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculatesExpectedNoccMetricForClassWithoutChildren()
- {
- $this->assertEquals(0, $this->_getCalculatedMetric(__METHOD__, 'nocc'));
- }
- /**
- * testCalculatesExpectedNoccMetricForClassWithDirectChildren
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculatesExpectedNoccMetricForClassWithDirectChildren()
- {
- $this->assertEquals(3, $this->_getCalculatedMetric(__METHOD__, 'nocc'));
- }
- /**
- * testCalculatesExpectedNoccMetricForClassWithDirectAndIndirectChildren
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculatesExpectedNoccMetricForClassWithDirectAndIndirectChildren()
- {
- $this->assertEquals(1, $this->_getCalculatedMetric(__METHOD__, 'nocc'));
- }
- /**
- * Tests that the analyzer calculates the correct DIT values.
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculateDITMetricNoInheritance()
- {
- $this->assertEquals(0, $this->_getCalculatedMetric(__METHOD__, 'dit'));
- }
- /**
- * Tests that the analyzer calculates the correct DIT values.
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculateDITMetricOneLevelInheritance()
- {
- $this->assertEquals(1, $this->_getCalculatedMetric(__METHOD__, 'dit'));
- }
- /**
- * Tests that the analyzer calculates the correct DIT values.
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculateDITMetricTwoLevelNoInheritance()
- {
- $this->assertEquals(2, $this->_getCalculatedMetric(__METHOD__, 'dit'));
- }
- /**
- * Tests that the analyzer calculates the correct DIT values.
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculateDITMetricThreeLevelNoInheritance()
- {
- $this->assertEquals(3, $this->_getCalculatedMetric(__METHOD__, 'dit'));
- }
- /**
- * Tests that the analyzer calculates the correct DIT values.
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculateDITMetricFourLevelNoInheritance()
- {
- $this->assertEquals(4, $this->_getCalculatedMetric(__METHOD__, 'dit'));
- }
- /**
- * testCalculateDITMetricForUnknownParentIncrementsMetricWithTwo
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculateDITMetricForUnknownParentIncrementsMetricWithTwo()
- {
- $this->assertEquals(3, $this->_getCalculatedMetric(__METHOD__, 'dit'));
- }
- /**
- * testCalculateDITMetricForInternalParentIncrementsMetricWithTwo
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculateDITMetricForInternalParentIncrementsMetricWithTwo()
- {
- $this->assertEquals(3, $this->_getCalculatedMetric(__METHOD__, 'dit'));
- }
- /**
- * Tests that {@link PHP_Depend_Metrics_Inheritance_Analyzer::analyze()}
- * calculates the expected DIT values.
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculateDepthOfInheritanceForSeveralClasses()
- {
- $packages = self::parseTestCaseSource(__METHOD__);
- $package = $packages->current();
- $analyzer = new PHP_Depend_Metrics_Inheritance_Analyzer();
- $analyzer->analyze($packages);
- $actual = array();
- foreach ($package->getClasses() as $class) {
- $metrics = $analyzer->getNodeMetrics($class);
-
- $actual[$class->getName()] = $metrics['dit'];
- }
- ksort($actual);
- $expected = array(
- 'A' => 0,
- 'B' => 1,
- 'C' => 1,
- 'D' => 2,
- 'E' => 3,
- );
- $this->assertEquals($expected, $actual);
- }
- /**
- * testCalculatesExpectedMaxDepthOfInheritanceTreeMetric
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculatesExpectedMaxDepthOfInheritanceTreeMetric()
- {
- $analyzer = new PHP_Depend_Metrics_Inheritance_Analyzer();
- $analyzer->analyze(self::parseTestCaseSource(__METHOD__));
- $metrics = $analyzer->getProjectMetrics();
- $this->assertEquals(3, $metrics['maxDIT']);
- }
- /**
- * testCalculatesExpectedNoamMetricForClassWithoutParent
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculatesExpectedNoamMetricForClassWithoutParent()
- {
- $this->assertEquals(0, $this->_getCalculatedMetric(__METHOD__, 'noam'));
- }
- /**
- * testCalculatesExpectedNoamMetricForClassWithDirectParent
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculatesExpectedNoamMetricForClassWithDirectParent()
- {
- $this->assertEquals(2, $this->_getCalculatedMetric(__METHOD__, 'noam'));
- }
- /**
- * testCalculatesExpectedNoamMetricForClassWithIndirectParent
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculatesExpectedNoamMetricForClassWithIndirectParent()
- {
- $this->assertEquals(2, $this->_getCalculatedMetric(__METHOD__, 'noam'));
- }
- /**
- * testCalculatesExpectedNoomMetricForClassWithoutParent
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculatesExpectedNoomMetricForClassWithoutParent()
- {
- $this->assertEquals(0, $this->_getCalculatedMetric(__METHOD__, 'noom'));
- }
- /**
- * testCalculatesExpectedNoomMetricForClassWithParent
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculatesExpectedNoomMetricForClassWithParent()
- {
- $this->assertEquals(2, $this->_getCalculatedMetric(__METHOD__, 'noom'));
- }
- /**
- * testCalculatesExpectedNoomMetricForClassWithParentPrivateMethods
- *
- * @return void
- * @covers PHP_Depend_Metrics_Inheritance_Analyzer
- * @group pdepend
- * @group pdepend::metrics
- * @group pdepend::metrics::inheritance
- * @group unittest
- */
- public function testCalculatesExpectedNoomMetricForClassWithParentPrivateMethods()
- {
- $this->assertEquals(1, $this->_getCalculatedMetric(__METHOD__, 'noom'));
- }
- /**
- * Analyzes the source associated with the calling test and returns the
- * calculated metric value.
- *
- * @param string $testCase Name of the calling test case.
- * @param string $metric Name of the searched metric.
- *
- * @return mixed
- */
- private function _getCalculatedMetric($testCase, $metric)
- {
- $packages = self::parseTestCaseSource($testCase);
- $package = $packages->current();
- $analyzer = new PHP_Depend_Metrics_Inheritance_Analyzer();
- $analyzer->analyze($packages);
- $metrics = $analyzer->getNodeMetrics($package->getClasses()->current());
- return $metrics[$metric];
- }
- }