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<?php
/*
* This file is part of the PHP_CodeCoverage package.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
use SebastianBergmann\Environment\Runtime;
/**
* Provides collection functionality for PHP code coverage information.
*
* @since Class available since Release 1.0.0
*/
class PHP_CodeCoverage
{
/**
* @var PHP_CodeCoverage_Driver
*/
private $driver;
/**
* @var PHP_CodeCoverage_Filter
*/
private $filter;
/**
* @var bool
*/
private $cacheTokens = false;
/**
* @var bool
*/
private $checkForUnintentionallyCoveredCode = false;
/**
* @var bool
*/
private $forceCoversAnnotation = false;
/**
* @var bool
*/
private $mapTestClassNameToCoveredClassName = false;
/**
* @var bool
*/
private $addUncoveredFilesFromWhitelist = true;
/**
* @var bool
*/
private $processUncoveredFilesFromWhitelist = false;
/**
* @var mixed
*/
private $currentId;
/**
* Code coverage data.
*
* @var array
*/
private $data = array();
/**
* @var array
*/
private $ignoredLines = array();
/**
* @var bool
*/
private $disableIgnoredLines = false;
/**
* Test data.
*
* @var array
*/
private $tests = array();
/**
* Constructor.
*
* @param PHP_CodeCoverage_Driver $driver
* @param PHP_CodeCoverage_Filter $filter
* @throws PHP_CodeCoverage_Exception
*/
public function __construct(PHP_CodeCoverage_Driver $driver = null, PHP_CodeCoverage_Filter $filter = null)
{
if ($driver === null) {
$driver = $this->selectDriver();
}
if ($filter === null) {
$filter = new PHP_CodeCoverage_Filter;
}
$this->driver = $driver;
$this->filter = $filter;
}
/**
* Returns the PHP_CodeCoverage_Report_Node_* object graph
* for this PHP_CodeCoverage object.
*
* @return PHP_CodeCoverage_Report_Node_Directory
* @since Method available since Release 1.1.0
*/
public function getReport()
{
$factory = new PHP_CodeCoverage_Report_Factory;
return $factory->create($this);
}
/**
* Clears collected code coverage data.
*/
public function clear()
{
$this->currentId = null;
$this->data = array();
$this->tests = array();
}
/**
* Returns the PHP_CodeCoverage_Filter used.
*
* @return PHP_CodeCoverage_Filter
*/
public function filter()
{
return $this->filter;
}
/**
* Returns the collected code coverage data.
* Set $raw = true to bypass all filters.
*
* @param bool $raw
* @return array
* @since Method available since Release 1.1.0
*/
public function getData($raw = false)
{
if (!$raw && $this->addUncoveredFilesFromWhitelist) {
$this->addUncoveredFilesFromWhitelist();
}
// We need to apply the blacklist filter a second time
// when no whitelist is used.
if (!$raw && !$this->filter->hasWhitelist()) {
$this->applyListsFilter($this->data);
}
return $this->data;
}
/**
* Sets the coverage data.
*
* @param array $data
* @since Method available since Release 2.0.0
*/
public function setData(array $data)
{
$this->data = $data;
}
/**
* Returns the test data.
*
* @return array
* @since Method available since Release 1.1.0
*/
public function getTests()
{
return $this->tests;
}
/**
* Sets the test data.
*
* @param array $tests
* @since Method available since Release 2.0.0
*/
public function setTests(array $tests)
{
$this->tests = $tests;
}
/**
* Start collection of code coverage information.
*
* @param mixed $id
* @param bool $clear
* @throws PHP_CodeCoverage_Exception
*/
public function start($id, $clear = false)
{
if (!is_bool($clear)) {
throw PHP_CodeCoverage_Util_InvalidArgumentHelper::factory(
1,
'boolean'
);
}
if ($clear) {
$this->clear();
}
$this->currentId = $id;
$this->driver->start();
}
/**
* Stop collection of code coverage information.
*
* @param bool $append
* @param mixed $linesToBeCovered
* @param array $linesToBeUsed
* @return array
* @throws PHP_CodeCoverage_Exception
*/
public function stop($append = true, $linesToBeCovered = array(), array $linesToBeUsed = array())
{
if (!is_bool($append)) {
throw PHP_CodeCoverage_Util_InvalidArgumentHelper::factory(
1,
'boolean'
);
}
if (!is_array($linesToBeCovered) && $linesToBeCovered !== false) {
throw PHP_CodeCoverage_Util_InvalidArgumentHelper::factory(
2,
'array or false'
);
}
$data = $this->driver->stop();
$this->append($data, null, $append, $linesToBeCovered, $linesToBeUsed);
$this->currentId = null;
return $data;
}
/**
* Appends code coverage data.
*
* @param array $data
* @param mixed $id
* @param bool $append
* @param mixed $linesToBeCovered
* @param array $linesToBeUsed
* @throws PHP_CodeCoverage_Exception
*/
public function append(array $data, $id = null, $append = true, $linesToBeCovered = array(), array $linesToBeUsed = array())
{
if ($id === null) {
$id = $this->currentId;
}
if ($id === null) {
throw new PHP_CodeCoverage_Exception;
}
$this->applyListsFilter($data);
$this->applyIgnoredLinesFilter($data);
$this->initializeFilesThatAreSeenTheFirstTime($data);
if (!$append) {
return;
}
if ($id != 'UNCOVERED_FILES_FROM_WHITELIST') {
$this->applyCoversAnnotationFilter(
$data,
$linesToBeCovered,
$linesToBeUsed
);
}
if (empty($data)) {
return;
}
$size = 'unknown';
$status = null;
if ($id instanceof PHPUnit_Framework_TestCase) {
$_size = $id->getSize();
if ($_size == PHPUnit_Util_Test::SMALL) {
$size = 'small';
} elseif ($_size == PHPUnit_Util_Test::MEDIUM) {
$size = 'medium';
} elseif ($_size == PHPUnit_Util_Test::LARGE) {
$size = 'large';
}
$status = $id->getStatus();
$id = get_class($id) . '::' . $id->getName();
} elseif ($id instanceof PHPUnit_Extensions_PhptTestCase) {
$size = 'large';
$id = $id->getName();
}
$this->tests[$id] = array('size' => $size, 'status' => $status);
foreach ($data as $file => $lines) {
if (!$this->filter->isFile($file)) {
continue;
}
foreach ($lines as $k => $v) {
if ($v == PHP_CodeCoverage_Driver::LINE_EXECUTED) {
if (empty($this->data[$file][$k]) || !in_array($id, $this->data[$file][$k])) {
$this->data[$file][$k][] = $id;
}
}
}
}
}
/**
* Merges the data from another instance of PHP_CodeCoverage.
*
* @param PHP_CodeCoverage $that
*/
public function merge(PHP_CodeCoverage $that)
{
$this->filter->setBlacklistedFiles(
array_merge($this->filter->getBlacklistedFiles(), $that->filter()->getBlacklistedFiles())
);
$this->filter->setWhitelistedFiles(
array_merge($this->filter->getWhitelistedFiles(), $that->filter()->getWhitelistedFiles())
);
foreach ($that->data as $file => $lines) {
if (!isset($this->data[$file])) {
if (!$this->filter->isFiltered($file)) {
$this->data[$file] = $lines;
}
continue;
}
foreach ($lines as $line => $data) {
if ($data !== null) {
if (!isset($this->data[$file][$line])) {
$this->data[$file][$line] = $data;
} else {
$this->data[$file][$line] = array_unique(
array_merge($this->data[$file][$line], $data)
);
}
}
}
}
$this->tests = array_merge($this->tests, $that->getTests());
}
/**
* @param bool $flag
* @throws PHP_CodeCoverage_Exception
* @since Method available since Release 1.1.0
*/
public function setCacheTokens($flag)
{
if (!is_bool($flag)) {
throw PHP_CodeCoverage_Util_InvalidArgumentHelper::factory(
1,
'boolean'
);
}
$this->cacheTokens = $flag;
}
/**
* @since Method available since Release 1.1.0
*/
public function getCacheTokens()
{
return $this->cacheTokens;
}
/**
* @param bool $flag
* @throws PHP_CodeCoverage_Exception
* @since Method available since Release 2.0.0
*/
public function setCheckForUnintentionallyCoveredCode($flag)
{
if (!is_bool($flag)) {
throw PHP_CodeCoverage_Util_InvalidArgumentHelper::factory(
1,
'boolean'
);
}
$this->checkForUnintentionallyCoveredCode = $flag;
}
/**
* @param bool $flag
* @throws PHP_CodeCoverage_Exception
*/
public function setForceCoversAnnotation($flag)
{
if (!is_bool($flag)) {
throw PHP_CodeCoverage_Util_InvalidArgumentHelper::factory(
1,
'boolean'
);
}
$this->forceCoversAnnotation = $flag;
}
/**
* @param bool $flag
* @throws PHP_CodeCoverage_Exception
*/
public function setMapTestClassNameToCoveredClassName($flag)
{
if (!is_bool($flag)) {
throw PHP_CodeCoverage_Util_InvalidArgumentHelper::factory(
1,
'boolean'
);
}
$this->mapTestClassNameToCoveredClassName = $flag;
}
/**
* @param bool $flag
* @throws PHP_CodeCoverage_Exception
*/
public function setAddUncoveredFilesFromWhitelist($flag)
{
if (!is_bool($flag)) {
throw PHP_CodeCoverage_Util_InvalidArgumentHelper::factory(
1,
'boolean'
);
}
$this->addUncoveredFilesFromWhitelist = $flag;
}
/**
* @param bool $flag
* @throws PHP_CodeCoverage_Exception
*/
public function setProcessUncoveredFilesFromWhitelist($flag)
{
if (!is_bool($flag)) {
throw PHP_CodeCoverage_Util_InvalidArgumentHelper::factory(
1,
'boolean'
);
}
$this->processUncoveredFilesFromWhitelist = $flag;
}
/**
* @param bool $flag
* @throws PHP_CodeCoverage_Exception
*/
public function setDisableIgnoredLines($flag)
{
if (!is_bool($flag)) {
throw PHP_CodeCoverage_Util_InvalidArgumentHelper::factory(
1,
'boolean'
);
}
$this->disableIgnoredLines = $flag;
}
/**
* Applies the @covers annotation filtering.
*
* @param array $data
* @param mixed $linesToBeCovered
* @param array $linesToBeUsed
* @throws PHP_CodeCoverage_Exception_UnintentionallyCoveredCode
*/
private function applyCoversAnnotationFilter(array &$data, $linesToBeCovered, array $linesToBeUsed)
{
if ($linesToBeCovered === false ||
($this->forceCoversAnnotation && empty($linesToBeCovered))) {
$data = array();
return;
}
if (empty($linesToBeCovered)) {
return;
}
if ($this->checkForUnintentionallyCoveredCode) {
$this->performUnintentionallyCoveredCodeCheck(
$data,
$linesToBeCovered,
$linesToBeUsed
);
}
$data = array_intersect_key($data, $linesToBeCovered);
foreach (array_keys($data) as $filename) {
$_linesToBeCovered = array_flip($linesToBeCovered[$filename]);
$data[$filename] = array_intersect_key(
$data[$filename],
$_linesToBeCovered
);
}
}
/**
* Applies the blacklist/whitelist filtering.
*
* @param array $data
*/
private function applyListsFilter(array &$data)
{
foreach (array_keys($data) as $filename) {
if ($this->filter->isFiltered($filename)) {
unset($data[$filename]);
}
}
}
/**
* Applies the "ignored lines" filtering.
*
* @param array $data
*/
private function applyIgnoredLinesFilter(array &$data)
{
foreach (array_keys($data) as $filename) {
if (!$this->filter->isFile($filename)) {
continue;
}
foreach ($this->getLinesToBeIgnored($filename) as $line) {
unset($data[$filename][$line]);
}
}
}
/**
* @param array $data
* @since Method available since Release 1.1.0
*/
private function initializeFilesThatAreSeenTheFirstTime(array $data)
{
foreach ($data as $file => $lines) {
if ($this->filter->isFile($file) && !isset($this->data[$file])) {
$this->data[$file] = array();
foreach ($lines as $k => $v) {
$this->data[$file][$k] = $v == -2 ? null : array();
}
}
}
}
/**
* Processes whitelisted files that are not covered.
*/
private function addUncoveredFilesFromWhitelist()
{
$data = array();
$uncoveredFiles = array_diff(
$this->filter->getWhitelist(),
array_keys($this->data)
);
foreach ($uncoveredFiles as $uncoveredFile) {
if (!file_exists($uncoveredFile)) {
continue;
}
if ($this->processUncoveredFilesFromWhitelist) {
$this->processUncoveredFileFromWhitelist(
$uncoveredFile,
$data,
$uncoveredFiles
);
} else {
$data[$uncoveredFile] = array();
$lines = count(file($uncoveredFile));
for ($i = 1; $i <= $lines; $i++) {
$data[$uncoveredFile][$i] = PHP_CodeCoverage_Driver::LINE_NOT_EXECUTED;
}
}
}
$this->append($data, 'UNCOVERED_FILES_FROM_WHITELIST');
}
/**
* @param string $uncoveredFile
* @param array $data
* @param array $uncoveredFiles
*/
private function processUncoveredFileFromWhitelist($uncoveredFile, array &$data, array $uncoveredFiles)
{
$this->driver->start();
include_once $uncoveredFile;
$coverage = $this->driver->stop();
foreach ($coverage as $file => $fileCoverage) {
if (!isset($data[$file]) &&
in_array($file, $uncoveredFiles)) {
foreach (array_keys($fileCoverage) as $key) {
if ($fileCoverage[$key] == PHP_CodeCoverage_Driver::LINE_EXECUTED) {
$fileCoverage[$key] = PHP_CodeCoverage_Driver::LINE_NOT_EXECUTED;
}
}
$data[$file] = $fileCoverage;
}
}
}
/**
* Returns the lines of a source file that should be ignored.
*
* @param string $filename
* @return array
* @throws PHP_CodeCoverage_Exception
* @since Method available since Release 2.0.0
*/
private function getLinesToBeIgnored($filename)
{
if (!is_string($filename)) {
throw PHP_CodeCoverage_Util_InvalidArgumentHelper::factory(
1,
'string'
);
}
if (!isset($this->ignoredLines[$filename])) {
$this->ignoredLines[$filename] = array();
if ($this->disableIgnoredLines) {
return $this->ignoredLines[$filename];
}
$ignore = false;
$stop = false;
$lines = file($filename);
$numLines = count($lines);
foreach ($lines as $index => $line) {
if (!trim($line)) {
$this->ignoredLines[$filename][] = $index + 1;
}
}
if ($this->cacheTokens) {
$tokens = PHP_Token_Stream_CachingFactory::get($filename);
} else {
$tokens = new PHP_Token_Stream($filename);
}
$classes = array_merge($tokens->getClasses(), $tokens->getTraits());
$tokens = $tokens->tokens();
foreach ($tokens as $token) {
switch (get_class($token)) {
case 'PHP_Token_COMMENT':
case 'PHP_Token_DOC_COMMENT':
$_token = trim($token);
$_line = trim($lines[$token->getLine() - 1]);
if ($_token == '// @codeCoverageIgnore' ||
$_token == '//@codeCoverageIgnore') {
$ignore = true;
$stop = true;
} elseif ($_token == '// @codeCoverageIgnoreStart' ||
$_token == '//@codeCoverageIgnoreStart') {
$ignore = true;
} elseif ($_token == '// @codeCoverageIgnoreEnd' ||
$_token == '//@codeCoverageIgnoreEnd') {
$stop = true;
}
if (!$ignore) {
$start = $token->getLine();
$end = $start + substr_count($token, "\n");
// Do not ignore the first line when there is a token
// before the comment
if (0 !== strpos($_token, $_line)) {
$start++;
}
for ($i = $start; $i < $end; $i++) {
$this->ignoredLines[$filename][] = $i;
}
// A DOC_COMMENT token or a COMMENT token starting with "/*"
// does not contain the final \n character in its text
if (isset($lines[$i-1]) && 0 === strpos($_token, '/*') && '*/' === substr(trim($lines[$i-1]), -2)) {
$this->ignoredLines[$filename][] = $i;
}
}
break;
case 'PHP_Token_INTERFACE':
case 'PHP_Token_TRAIT':
case 'PHP_Token_CLASS':
case 'PHP_Token_FUNCTION':
$docblock = $token->getDocblock();
$this->ignoredLines[$filename][] = $token->getLine();
if (strpos($docblock, '@codeCoverageIgnore') || strpos($docblock, '@deprecated')) {
$endLine = $token->getEndLine();
for ($i = $token->getLine(); $i <= $endLine; $i++) {
$this->ignoredLines[$filename][] = $i;
}
} elseif ($token instanceof PHP_Token_INTERFACE ||
$token instanceof PHP_Token_TRAIT ||
$token instanceof PHP_Token_CLASS) {
if (empty($classes[$token->getName()]['methods'])) {
for ($i = $token->getLine();
$i <= $token->getEndLine();
$i++) {
$this->ignoredLines[$filename][] = $i;
}
} else {
$firstMethod = array_shift(
$classes[$token->getName()]['methods']
);
do {
$lastMethod = array_pop(
$classes[$token->getName()]['methods']
);
} while ($lastMethod !== null &&
substr($lastMethod['signature'], 0, 18) == 'anonymous function');
if ($lastMethod === null) {
$lastMethod = $firstMethod;
}
for ($i = $token->getLine();
$i < $firstMethod['startLine'];
$i++) {
$this->ignoredLines[$filename][] = $i;
}
for ($i = $token->getEndLine();
$i > $lastMethod['endLine'];
$i--) {
$this->ignoredLines[$filename][] = $i;
}
}
}
break;
case 'PHP_Token_NAMESPACE':
$this->ignoredLines[$filename][] = $token->getEndLine();
// Intentional fallthrough
case 'PHP_Token_OPEN_TAG':
case 'PHP_Token_CLOSE_TAG':
case 'PHP_Token_USE':
$this->ignoredLines[$filename][] = $token->getLine();
break;
}
if ($ignore) {
$this->ignoredLines[$filename][] = $token->getLine();
if ($stop) {
$ignore = false;
$stop = false;
}
}
}
$this->ignoredLines[$filename][] = $numLines + 1;
$this->ignoredLines[$filename] = array_unique(
$this->ignoredLines[$filename]
);
sort($this->ignoredLines[$filename]);
}
return $this->ignoredLines[$filename];
}
/**
* @param array $data
* @param array $linesToBeCovered
* @param array $linesToBeUsed
* @throws PHP_CodeCoverage_Exception_UnintentionallyCoveredCode
* @since Method available since Release 2.0.0
*/
private function performUnintentionallyCoveredCodeCheck(array &$data, array $linesToBeCovered, array $linesToBeUsed)
{
$allowedLines = $this->getAllowedLines(
$linesToBeCovered,
$linesToBeUsed
);
$message = '';
foreach ($data as $file => $_data) {
foreach ($_data as $line => $flag) {
if ($flag == 1 &&
(!isset($allowedLines[$file]) ||
!isset($allowedLines[$file][$line]))) {
$message .= sprintf(
'- %s:%d' . PHP_EOL,
$file,
$line
);
}
}
}
if (!empty($message)) {
throw new PHP_CodeCoverage_Exception_UnintentionallyCoveredCode(
$message
);
}
}
/**
* @param array $linesToBeCovered
* @param array $linesToBeUsed
* @return array
* @since Method available since Release 2.0.0
*/
private function getAllowedLines(array $linesToBeCovered, array $linesToBeUsed)
{
$allowedLines = array();
foreach (array_keys($linesToBeCovered) as $file) {
if (!isset($allowedLines[$file])) {
$allowedLines[$file] = array();
}
$allowedLines[$file] = array_merge(
$allowedLines[$file],
$linesToBeCovered[$file]
);
}
foreach (array_keys($linesToBeUsed) as $file) {
if (!isset($allowedLines[$file])) {
$allowedLines[$file] = array();
}
$allowedLines[$file] = array_merge(
$allowedLines[$file],
$linesToBeUsed[$file]
);
}
foreach (array_keys($allowedLines) as $file) {
$allowedLines[$file] = array_flip(
array_unique($allowedLines[$file])
);
}
return $allowedLines;
}
/**
* @return PHP_CodeCoverage_Driver
* @throws PHP_CodeCoverage_Exception
*/
private function selectDriver()
{
$runtime = new Runtime;
if (!$runtime->canCollectCodeCoverage()) {
throw new PHP_CodeCoverage_Exception('No code coverage driver available');
}
if ($runtime->isHHVM()) {
return new PHP_CodeCoverage_Driver_HHVM;
} elseif ($runtime->isPHPDBG()) {
return new PHP_CodeCoverage_Driver_PHPDBG;
} else {
return new PHP_CodeCoverage_Driver_Xdebug;
}
}
}