/**
* testCalculatesExpectedNumberOfFunctionsInProject
*
* @return void
* @covers PHP_Depend_Metrics_NodeCount_Analyzer
* @group pdepend
* @group pdepend::metrics
* @group pdepend::metrics::nodecount
* @group unittest
*/
public function testCalculatesExpectedNumberOfFunctionsInProject()
{
$packages = self::parseTestCaseSource(__METHOD__);
$analyzer = new PHP_Depend_Metrics_NodeCount_Analyzer();
$analyzer->analyze($packages);
$metrics = $analyzer->getProjectMetrics();
$this->assertEquals(6, $metrics['nof']);
}
/**
* Aggregates the required metrics from the registered analyzers.
*
* @return array(string => mixed)
* @throws RuntimeException If one of the required analyzers isn't set.
*/
private function collectMetrics()
{
if ($this->coupling === null) {
throw new RuntimeException('Missing Coupling analyzer.');
}
if ($this->cyclomaticComplexity === null) {
throw new RuntimeException('Missing Cyclomatic Complexity analyzer.');
}
if ($this->inheritance === null) {
throw new RuntimeException('Missing Inheritance analyzer.');
}
if ($this->nodeCount === null) {
throw new RuntimeException('Missing Node Count analyzer.');
}
if ($this->nodeLoc === null) {
throw new RuntimeException('Missing Node LOC analyzer.');
}
$coupling = $this->coupling->getProjectMetrics();
$cyclomatic = $this->cyclomaticComplexity->getProjectMetrics();
$inheritance = $this->inheritance->getProjectMetrics();
$nodeCount = $this->nodeCount->getProjectMetrics();
$nodeLoc = $this->nodeLoc->getProjectMetrics();
return array('cyclo' => $cyclomatic['ccn2'], 'loc' => $nodeLoc['eloc'], 'nom' => $nodeCount['nom'] + $nodeCount['nof'], 'noc' => $nodeCount['noc'], 'nop' => $nodeCount['nop'], 'ahh' => round($inheritance['ahh'], 3), 'andc' => round($inheritance['andc'], 3), 'fanout' => $coupling['fanout'], 'calls' => $coupling['calls']);
}
/**
* Tests that the analyzer calculates the correct number of functions values.
*
* @return void
*/
public function testAnalyzerCalculatesCorrectNumberOfFunctions()
{
$packageA = new PHP_Depend_Code_Package('A');
$packageA->addFunction(new PHP_Depend_Code_Function('a1'));
$packageA->addFunction(new PHP_Depend_Code_Function('a2'));
$packageA->addFunction(new PHP_Depend_Code_Function('a3'));
$packageB = new PHP_Depend_Code_Package('B');
$packageB->addFunction(new PHP_Depend_Code_Function('b1'));
$packageB->addFunction(new PHP_Depend_Code_Function('b2'));
$packageC = new PHP_Depend_Code_Package('C');
$packageC->addFunction(new PHP_Depend_Code_Function('c1'));
$packages = array($packageA, $packageB, $packageC);
$analyzer = new PHP_Depend_Metrics_NodeCount_Analyzer();
$analyzer->analyze(new PHP_Depend_Code_NodeIterator($packages));
$project = $analyzer->getProjectMetrics();
$this->assertArrayHasKey('nof', $project);
$this->assertEquals(6, $project['nof']);
$metrics = $analyzer->getNodeMetrics($packageA);
$this->assertArrayHasKey('nof', $metrics);
$this->assertEquals(3, $metrics['nof']);
$metrics = $analyzer->getNodeMetrics($packageB);
$this->assertArrayHasKey('nof', $metrics);
$this->assertEquals(2, $metrics['nof']);
$metrics = $analyzer->getNodeMetrics($packageC);
$this->assertArrayHasKey('nof', $metrics);
$this->assertEquals(1, $metrics['nof']);
}
