/**
* Returns the percentage code coverage for the given item instance.
*
* @param \PDepend\Source\AST\AbstractASTArtifact $artifact
* @return float
*/
public function getCoverage(AbstractASTArtifact $artifact)
{
$lines = $this->getLines($artifact->getCompilationUnit()->getFileName());
$startLine = $artifact->getStartLine();
$endLine = $artifact->getEndLine();
$executable = 0;
$executed = 0;
for ($i = $startLine; $i <= $endLine; ++$i) {
if (!isset($lines[$i])) {
continue;
}
++$executable;
if ($lines[$i]) {
++$executed;
}
}
if (0 === $executed && 1 === $executable && 0 < $endLine - $startLine) {
return 100;
}
if ($executed === 0) {
return 0;
}
return $executed / $executable * 100;
}
/**
* Generates an identifier for the given source item.
*
* @param \PDepend\Source\AST\AbstractASTArtifact $artifact
* @param string $prefix The item type identifier.
* @return string
*/
protected function forOffsetItem(AbstractASTArtifact $artifact, $prefix)
{
$fileHash = $artifact->getCompilationUnit()->getId();
$itemHash = $this->hash($prefix . ':' . strtolower($artifact->getName()));
$offset = $this->getOffsetInFile($fileHash, $itemHash);
return sprintf('%s-%s-%s', $fileHash, $itemHash, $offset);
}
