php-code-coverage/src/CodeCoverage.php at main · mantisbt/php-code-coverage · GitHub

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<?php declare(strict_types=1);

* This file is part of phpunit/php-code-coverage.

* (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.

namespace SebastianBergmann\CodeCoverage;

use function array_diff;

use function array_diff_key;

use function array_flip;

use function array_keys;

use function array_merge;

use function array_unique;

use function count;

use function explode;

use function is_array;

use function is_file;

use function sort;

use ReflectionClass;

use SebastianBergmann\CodeCoverage\Data\ProcessedCodeCoverageData;

use SebastianBergmann\CodeCoverage\Data\RawCodeCoverageData;

use SebastianBergmann\CodeCoverage\Driver\Driver;

use SebastianBergmann\CodeCoverage\Node\Builder;

use SebastianBergmann\CodeCoverage\Node\Directory;

use SebastianBergmann\CodeCoverage\StaticAnalysis\CachingFileAnalyser;

use SebastianBergmann\CodeCoverage\StaticAnalysis\FileAnalyser;

use SebastianBergmann\CodeCoverage\StaticAnalysis\ParsingFileAnalyser;

use SebastianBergmann\CodeCoverage\Test\TestSize\TestSize;

use SebastianBergmann\CodeCoverage\Test\TestStatus\TestStatus;

use SebastianBergmann\CodeUnitReverseLookup\Wizard;

/**

* Provides collection functionality for PHP code coverage information.

final class CodeCoverage

{

private const UNCOVERED_FILES = 'UNCOVERED_FILES';

private readonly Driver $driver;

private readonly Filter $filter;

private readonly Wizard $wizard;

private bool $checkForUnintentionallyCoveredCode = false;

private bool $includeUncoveredFiles = true;

private bool $ignoreDeprecatedCode = false;

private ?string $currentId = null;

private ?TestSize $currentSize = null;

private ProcessedCodeCoverageData $data;

private bool $useAnnotationsForIgnoringCode = true;

/**

* @psalm-var array<string, array{size: string, status: string}>

private array $tests = [];

/**

* @psalm-var list<class-string>

private array $parentClassesExcludedFromUnintentionallyCoveredCodeCheck = [];

private ?FileAnalyser $analyser = null;

private ?string $cacheDirectory = null;

public function __construct(Driver $driver, Filter $filter)

{

$this->driver = $driver;

$this->filter = $filter;

$this->data = new ProcessedCodeCoverageData;

$this->wizard = new Wizard;

}

/**

* Returns the code coverage information as a graph of node objects.

public function getReport(): Directory

{

return (new Builder($this->analyser()))->build($this);

}

/**

* Clears collected code coverage data.

public function clear(): void

{

$this->currentId = null;

$this->currentSize = null;

$this->data = new ProcessedCodeCoverageData;

$this->tests = [];

}

/**

* Returns the filter object used.

public function filter(): Filter

{

return $this->filter;

}

/**

* Returns the collected code coverage data.

public function getData(bool $raw = false): ProcessedCodeCoverageData

{

if (!$raw) {

if ($this->includeUncoveredFiles) {

$this->addUncoveredFilesFromFilter();

}

return $this->data;

}

/**

* Sets the coverage data.

public function setData(ProcessedCodeCoverageData $data): void

{

$this->data = $data;

}

/**

* @psalm-return array<string, array{size: string, status: string}>

public function getTests(): array

{

return $this->tests;

}

/**

* @psalm-param array<string, array{size: string, status: string}> $tests

public function setTests(array $tests): void

{

$this->tests = $tests;

}

public function start(string $id, TestSize $size = null, bool $clear = false): void

{

if ($clear) {

$this->clear();

}

$this->currentId = $id;

$this->currentSize = $size;

$this->driver->start();

}

public function stop(bool $append = true, TestStatus $status = null, array|false $linesToBeCovered = [], array $linesToBeUsed = []): RawCodeCoverageData

{

$data = $this->driver->stop();

$this->append($data, null, $append, $status, $linesToBeCovered, $linesToBeUsed);

$this->currentId = null;

$this->currentSize = null;

return $data;

}

/**

* @throws ReflectionException

* @throws TestIdMissingException

* @throws UnintentionallyCoveredCodeException

public function append(RawCodeCoverageData $rawData, string $id = null, bool $append = true, TestStatus $status = null, array|false $linesToBeCovered = [], array $linesToBeUsed = []): void

{

if ($id === null) {

$id = $this->currentId;

}

if ($id === null) {

throw new TestIdMissingException;

}

if ($status === null) {

$status = TestStatus::unknown();

}

$size = $this->currentSize;

if ($size === null) {

$size = TestSize::unknown();

}

$this->applyFilter($rawData);

$this->applyExecutableLinesFilter($rawData);

if ($this->useAnnotationsForIgnoringCode) {

$this->applyIgnoredLinesFilter($rawData);

}

$this->data->initializeUnseenData($rawData);

if (!$append) {

return;

}

if ($id !== self::UNCOVERED_FILES) {

$this->applyCoversAndUsesFilter(

$rawData,

$linesToBeCovered,

$linesToBeUsed,

$size

);

if (empty($rawData->lineCoverage())) {

return;

}

$this->tests[$id] = [

'size' => $size->asString(),

'status' => $status->asString(),

];

$this->data->markCodeAsExecutedByTestCase($id, $rawData);

}

/**

* Merges the data from another instance.

public function merge(self $that): void

{

$this->filter->includeFiles(

$that->filter()->files()

);

$this->data->merge($that->data);

$this->tests = array_merge($this->tests, $that->getTests());

}

public function enableCheckForUnintentionallyCoveredCode(): void

{

$this->checkForUnintentionallyCoveredCode = true;

}

public function disableCheckForUnintentionallyCoveredCode(): void

{

$this->checkForUnintentionallyCoveredCode = false;

}

public function includeUncoveredFiles(): void

{

$this->includeUncoveredFiles = true;

}

public function excludeUncoveredFiles(): void

{

$this->includeUncoveredFiles = false;

}

public function enableAnnotationsForIgnoringCode(): void

{

$this->useAnnotationsForIgnoringCode = true;

}

public function disableAnnotationsForIgnoringCode(): void

{

$this->useAnnotationsForIgnoringCode = false;

}

public function ignoreDeprecatedCode(): void

{

$this->ignoreDeprecatedCode = true;

}

public function doNotIgnoreDeprecatedCode(): void

{

$this->ignoreDeprecatedCode = false;

}

/**

* @psalm-assert-if-true !null $this->cacheDirectory

public function cachesStaticAnalysis(): bool

{

return $this->cacheDirectory !== null;

}

public function cacheStaticAnalysis(string $directory): void

{

$this->cacheDirectory = $directory;

}

public function doNotCacheStaticAnalysis(): void

{

$this->cacheDirectory = null;

}

/**

* @throws StaticAnalysisCacheNotConfiguredException

public function cacheDirectory(): string

{

if (!$this->cachesStaticAnalysis()) {

throw new StaticAnalysisCacheNotConfiguredException(

'The static analysis cache is not configured'

);

}

return $this->cacheDirectory;

}

/**

* @psalm-param class-string $className

public function excludeSubclassesOfThisClassFromUnintentionallyCoveredCodeCheck(string $className): void

{

$this->parentClassesExcludedFromUnintentionallyCoveredCodeCheck[] = $className;

}

public function enableBranchAndPathCoverage(): void

{

$this->driver->enableBranchAndPathCoverage();

}

public function disableBranchAndPathCoverage(): void

{

$this->driver->disableBranchAndPathCoverage();

}

public function collectsBranchAndPathCoverage(): bool

{

return $this->driver->collectsBranchAndPathCoverage();

}

public function detectsDeadCode(): bool

{

return $this->driver->detectsDeadCode();

}

/**

* @throws ReflectionException

* @throws UnintentionallyCoveredCodeException

private function applyCoversAndUsesFilter(RawCodeCoverageData $rawData, array|false $linesToBeCovered, array $linesToBeUsed, TestSize $size): void

{

if ($linesToBeCovered === false) {

$rawData->clear();

return;

}

if (empty($linesToBeCovered)) {

return;

}

if ($this->checkForUnintentionallyCoveredCode && !$size->isMedium() && !$size->isLarge()) {

$this->performUnintentionallyCoveredCodeCheck($rawData, $linesToBeCovered, $linesToBeUsed);

}

$rawLineData = $rawData->lineCoverage();

$filesWithNoCoverage = array_diff_key($rawLineData, $linesToBeCovered);

foreach (array_keys($filesWithNoCoverage) as $fileWithNoCoverage) {

$rawData->removeCoverageDataForFile($fileWithNoCoverage);

}

if (is_array($linesToBeCovered)) {

foreach ($linesToBeCovered as $fileToBeCovered => $includedLines) {

$rawData->keepLineCoverageDataOnlyForLines($fileToBeCovered, $includedLines);

$rawData->keepFunctionCoverageDataOnlyForLines($fileToBeCovered, $includedLines);

}

private function applyFilter(RawCodeCoverageData $data): void

{

if ($this->filter->isEmpty()) {

return;

}

foreach (array_keys($data->lineCoverage()) as $filename) {

if ($this->filter->isExcluded($filename)) {

$data->removeCoverageDataForFile($filename);

}

private function applyExecutableLinesFilter(RawCodeCoverageData $data): void

{

foreach (array_keys($data->lineCoverage()) as $filename) {

if (!$this->filter->isFile($filename)) {

continue;

}

$linesToBranchMap = $this->analyser()->executableLinesIn($filename);

$data->keepLineCoverageDataOnlyForLines(

$filename,

array_keys($linesToBranchMap)

);

$data->markExecutableLineByBranch(

$filename,

$linesToBranchMap

);

}

private function applyIgnoredLinesFilter(RawCodeCoverageData $data): void

{

foreach (array_keys($data->lineCoverage()) as $filename) {

if (!$this->filter->isFile($filename)) {

continue;

}

$data->removeCoverageDataForLines(

$filename,

$this->analyser()->ignoredLinesFor($filename)

);

}

/**

* @throws UnintentionallyCoveredCodeException

private function addUncoveredFilesFromFilter(): void

{

$uncoveredFiles = array_diff(

$this->filter->files(),

$this->data->coveredFiles()

);

foreach ($uncoveredFiles as $uncoveredFile) {

if (is_file($uncoveredFile)) {

$this->append(

RawCodeCoverageData::fromUncoveredFile(

$uncoveredFile,

$this->analyser()

self::UNCOVERED_FILES

);

}

/**

* @throws ReflectionException

* @throws UnintentionallyCoveredCodeException

private function performUnintentionallyCoveredCodeCheck(RawCodeCoverageData $data, array $linesToBeCovered, array $linesToBeUsed): void

{

$allowedLines = $this->getAllowedLines(

$linesToBeCovered,

$linesToBeUsed

);

$unintentionallyCoveredUnits = [];

foreach ($data->lineCoverage() as $file => $_data) {

foreach ($_data as $line => $flag) {

if ($flag === 1 && !isset($allowedLines[$file][$line])) {

$unintentionallyCoveredUnits[] = $this->wizard->lookup($file, $line);

}

$unintentionallyCoveredUnits = $this->processUnintentionallyCoveredUnits($unintentionallyCoveredUnits);

if (!empty($unintentionallyCoveredUnits)) {

throw new UnintentionallyCoveredCodeException(

$unintentionallyCoveredUnits

);

}

private function getAllowedLines(array $linesToBeCovered, array $linesToBeUsed): array

{

$allowedLines = [];

foreach (array_keys($linesToBeCovered) as $file) {

if (!isset($allowedLines[$file])) {

$allowedLines[$file] = [];

}

$allowedLines[$file] = array_merge(

$allowedLines[$file],

$linesToBeCovered[$file]

);

}

foreach (array_keys($linesToBeUsed) as $file) {

if (!isset($allowedLines[$file])) {

$allowedLines[$file] = [];

}

$allowedLines[$file] = array_merge(

$allowedLines[$file],

$linesToBeUsed[$file]

);

}

foreach (array_keys($allowedLines) as $file) {

$allowedLines[$file] = array_flip(

array_unique($allowedLines[$file])

);

}

return $allowedLines;

}

/**

* @param list<string> $unintentionallyCoveredUnits

* @throws ReflectionException

* @return list<string>

private function processUnintentionallyCoveredUnits(array $unintentionallyCoveredUnits): array

{

$unintentionallyCoveredUnits = array_unique($unintentionallyCoveredUnits);

$processed = [];

foreach ($unintentionallyCoveredUnits as $unintentionallyCoveredUnit) {

$tmp = explode('::', $unintentionallyCoveredUnit);

if (count($tmp) !== 2) {

$processed[] = $unintentionallyCoveredUnit;

continue;

}

try {

$class = new ReflectionClass($tmp[0]);

foreach ($this->parentClassesExcludedFromUnintentionallyCoveredCodeCheck as $parentClass) {

if ($class->isSubclassOf($parentClass)) {

continue 2;

}

} catch (\ReflectionException $e) {

throw new ReflectionException(

$e->getMessage(),

$e->getCode(),

);

}

$processed[] = $tmp[0];

}

$processed = array_unique($processed);

sort($processed);

return $processed;

}

private function analyser(): FileAnalyser

{

if ($this->analyser !== null) {

return $this->analyser;

}

$this->analyser = new ParsingFileAnalyser(

$this->useAnnotationsForIgnoringCode,

$this->ignoreDeprecatedCode

);

if ($this->cachesStaticAnalysis()) {

$this->analyser = new CachingFileAnalyser(

$this->cacheDirectory,

$this->analyser

);

}

return $this->analyser;

}

php-code-coverage/src/CodeCoverage.php at main · mantisbt/php-code-coverage · GitHub

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