magento2-docker/dev/tests/static/testsuite/Magento/Test/Integrity/PublicCodeTest.php

304 lines
10 KiB
PHP
Executable File

<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Test\Integrity;
use Exception;
use Magento\Framework\App\Utility\Files;
use Magento\Setup\Module\Di\Code\Reader\FileClassScanner;
use PHPUnit\Framework\TestCase;
use ReflectionClass;
use ReflectionMethod;
/**
* Tests @api annotated code integrity
*/
class PublicCodeTest extends TestCase
{
/**
* List of simple return types that are used in docblocks.
* Used to check if type declared in a docblock of a method is a class or interface
*
* @var array
*/
private $simpleReturnTypes = [
'$this', 'void', 'string', 'int', 'bool', 'boolean', 'integer', 'null'
];
/**
* @var string[]|null
*/
private $blockWhitelist;
/**
* Return whitelist class names
*
* @return string[]
*/
private function getWhitelist(): array
{
if ($this->blockWhitelist === null) {
$whiteListFiles = str_replace(
'\\',
'/',
realpath(__DIR__) . '/_files/whitelist/public_code*.txt'
);
$whiteListItems = [];
foreach (glob($whiteListFiles) as $fileName) {
$whiteListItems[] = file($fileName, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
}
$this->blockWhitelist = array_merge([], ...$whiteListItems);
}
return $this->blockWhitelist;
}
/**
* Since blocks can be referenced from templates, they should be stable not to break theme customizations.
* So all blocks should be @api annotated. This test checks that all blocks declared in layout files are public
*
* @param $layoutFile
* @throws \ReflectionException
* @dataProvider layoutFilesDataProvider
*/
public function testAllBlocksReferencedInLayoutArePublic($layoutFile)
{
$nonPublishedBlocks = [];
$xml = simplexml_load_file($layoutFile);
$elements = $xml->xpath('//block | //referenceBlock') ?: [];
/** @var $node \SimpleXMLElement */
foreach ($elements as $node) {
$class = (string) $node['class'];
if ($class && \class_exists($class) && !in_array($class, $this->getWhitelist())) {
$reflection = (new ReflectionClass($class));
if (strpos($reflection->getDocComment(), '@api') === false) {
$nonPublishedBlocks[] = $class;
}
}
}
if (count($nonPublishedBlocks)) {
$this->fail(
"Layout file '$layoutFile' uses following blocks that are not marked with @api annotation:\n"
. implode(",\n", array_unique($nonPublishedBlocks))
);
}
}
/**
* Find all layout update files in magento modules and themes.
*
* @return array
* @throws Exception
*/
public function layoutFilesDataProvider()
{
return Files::init()->getLayoutFiles([], true);
}
/**
* We want to avoid situation when a type is marked public (@api annotated) but one of its methods
* returns or accepts the value of non-public type.
* This test walks through all public PHP types and makes sure that all their method arguments
* and return values are public types.
*
* @param string $class
* @throws \ReflectionException
* @dataProvider publicPHPTypesDataProvider
*/
public function testAllPHPClassesReferencedFromPublicClassesArePublic($class)
{
$nonPublishedClasses = [];
$reflection = new ReflectionClass($class);
$filter = ReflectionMethod::IS_PUBLIC;
if ($reflection->isAbstract()) {
$filter = $filter | ReflectionMethod::IS_PROTECTED;
}
$methods = $reflection->getMethods($filter);
foreach ($methods as $method) {
if ($method->isConstructor()) {
continue;
}
$nonPublishedClasses = $this->checkParameters($class, $method, $nonPublishedClasses);
/* Taking into account docblock return types since this code
is written on early php 7 when return types are not actively used */
$returnTypes = [];
if ($method->hasReturnType()) {
$methodReturnType = $method->getReturnType();
// For PHP 8.0 - ReflectionUnionType doesn't have isBuiltin method.
if (method_exists($methodReturnType, 'isBuiltin')
&& !$methodReturnType->isBuiltin()) {
$returnTypes = [trim($methodReturnType->getName(), '?[]')];
}
} else {
$returnTypes = $this->getReturnTypesFromDocComment($method->getDocComment());
}
$nonPublishedClasses = $this->checkReturnValues($class, $returnTypes, $nonPublishedClasses);
}
if (count($nonPublishedClasses)) {
$this->fail(
"Public type '" . $class . "' references following non-public types:\n"
. implode("\n", array_unique($nonPublishedClasses))
);
}
}
/**
* Retrieve list of all interfaces and classes in Magento codebase that are marked with @api annotation.
*
* @return array
* @throws Exception
*/
public function publicPHPTypesDataProvider(): array
{
$files = Files::init()->getPhpFiles(Files::INCLUDE_LIBS | Files::INCLUDE_APP_CODE);
$result = [];
foreach ($files as $file) {
$fileContents = \file_get_contents($file);
if (strpos($fileContents, '@api') !== false) {
$fileClassScanner = new FileClassScanner($file);
$className = $fileClassScanner->getClassName();
if (!in_array($className, $this->getWhitelist())
&& (class_exists($className) || interface_exists($className))
) {
$result[$className] = [$className];
}
}
}
return $result;
}
/**
* Check if a class is @api annotated
*
* @param ReflectionClass $class
*
* @return bool
*/
private function isPublished(ReflectionClass $class)
{
return strpos($class->getDocComment(), '@api') !== false;
}
/**
* Simplified check of class relation.
*
* @param string $classNameA
* @param string $classNameB
* @return bool
*/
private function areClassesFromSameVendor($classNameA, $classNameB)
{
$classNameA = ltrim($classNameA, '\\');
$classNameB = ltrim($classNameB, '\\');
$aVendor = substr($classNameA, 0, strpos($classNameA, '\\'));
$bVendor = substr($classNameB, 0, strpos($classNameB, '\\'));
return $aVendor === $bVendor;
}
/**
* Check if the class belongs to the list of classes generated by Magento on demand.
*
* We don't need to check @api annotation coverage for generated classes
*
* @param string $className
* @return bool
*/
private function isGenerated($className)
{
return substr($className, -18) === 'ExtensionInterface' || substr($className, -7) === 'Factory';
}
/**
* Retrieves list of method return types from method doc comment
*
* Introduced this method to abstract complexity of coping with types in "return" annotation
*
* @param string $docComment
* @return array
*/
private function getReturnTypesFromDocComment($docComment)
{
// TODO: add docblock namespace resolving using third-party library
if (preg_match('/@return (\S*)/', $docComment, $matches)) {
return array_map(
'trim',
explode('|', $matches[1])
);
} else {
return [];
}
}
/**
* Check method return values
*
* TODO: improve return type filtration
*
* @param string $class
* @param array $returnTypes
* @param array $nonPublishedClasses
* @return mixed
*/
private function checkReturnValues($class, array $returnTypes, array $nonPublishedClasses)
{
foreach ($returnTypes as $returnType) {
if (!in_array($returnType, $this->simpleReturnTypes)
&& !$this->isGenerated($returnType)
&& \class_exists($returnType)
) {
$returnTypeReflection = new ReflectionClass($returnType);
if (!$returnTypeReflection->isInternal()
&& $this->areClassesFromSameVendor($returnType, $class)
&& !$this->isPublished($returnTypeReflection)
) {
$nonPublishedClasses[$returnType] = $returnType;
}
}
}
return $nonPublishedClasses;
}
/**
* Check if all method parameters are public
*
* @param string $class
* @param ReflectionMethod $method
* @param array $nonPublishedClasses
*
* @return array
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
*/
private function checkParameters($class, ReflectionMethod $method, array $nonPublishedClasses)
{
/* Ignoring docblocks for argument types */
foreach ($method->getParameters() as $parameter) {
$parameterType = $parameter->getType();
if ($parameterType
&& method_exists($parameterType, 'isBuiltin')
&& !$parameterType->isBuiltin()
&& !$this->isGenerated($parameterType->getName())
) {
$parameterClass = new ReflectionClass($parameterType->getName());
/*
* We don't want to check integrity of @api coverage of classes
* that belong to different vendors, because it is too complicated.
* Example:
* If Magento class references non-@api annotated class from Zend,
* we don't want to fail test, because Zend is considered public by default,
* and we don't care if Zend classes are @api-annotated
*/
if ($parameterClass && !$parameterClass->isInternal()
&& $this->areClassesFromSameVendor($parameterClass->getName(), $class)
&& !$this->isPublished($parameterClass)
) {
$nonPublishedClasses[$parameterClass->getName()] = $parameterClass->getName();
}
}
}
return $nonPublishedClasses;
}
}