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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (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 PHPUnit\Framework\MockObject;
use const DIRECTORY_SEPARATOR;
use function implode;
use function is_string;
use function preg_match;
use function preg_replace;
use function sprintf;
use function substr_count;
use function trim;
use function var_export;
use ReflectionMethod;
use ReflectionNamedType;
use ReflectionParameter;
use ReflectionUnionType;
use SebastianBergmann\Template\Exception as TemplateException;
use SebastianBergmann\Template\Template;
use SebastianBergmann\Type\ReflectionMapper;
use SebastianBergmann\Type\Type;
use SebastianBergmann\Type\UnknownType;
use SebastianBergmann\Type\VoidType;
/**
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*/
final class MockMethod
{
/**
* @var Template[]
*/
private static $templates = [];
/**
* @var string
*/
private $className;
/**
* @var string
*/
private $methodName;
/**
* @var bool
*/
private $cloneArguments;
/**
* @var string string
*/
private $modifier;
/**
* @var string
*/
private $argumentsForDeclaration;
/**
* @var string
*/
private $argumentsForCall;
/**
* @var Type
*/
private $returnType;
/**
* @var string
*/
private $reference;
/**
* @var bool
*/
private $callOriginalMethod;
/**
* @var bool
*/
private $static;
/**
* @var ?string
*/
private $deprecation;
/**
* @throws ReflectionException
* @throws RuntimeException
*/
public static function fromReflection(ReflectionMethod $method, bool $callOriginalMethod, bool $cloneArguments): self
{
if ($method->isPrivate()) {
$modifier = 'private';
} elseif ($method->isProtected()) {
$modifier = 'protected';
} else {
$modifier = 'public';
}
if ($method->isStatic()) {
$modifier .= ' static';
}
if ($method->returnsReference()) {
$reference = '&';
} else {
$reference = '';
}
$docComment = $method->getDocComment();
if (is_string($docComment) &&
preg_match('#\*[ \t]*+@deprecated[ \t]*+(.*?)\r?+\n[ \t]*+\*(?:[ \t]*+@|/$)#s', $docComment, $deprecation)) {
$deprecation = trim(preg_replace('#[ \t]*\r?\n[ \t]*+\*[ \t]*+#', ' ', $deprecation[1]));
} else {
$deprecation = null;
}
return new self(
$method->getDeclaringClass()->getName(),
$method->getName(),
$cloneArguments,
$modifier,
self::getMethodParametersForDeclaration($method),
self::getMethodParametersForCall($method),
(new ReflectionMapper)->fromMethodReturnType($method),
$reference,
$callOriginalMethod,
$method->isStatic(),
$deprecation
);
}
public static function fromName(string $fullClassName, string $methodName, bool $cloneArguments): self
{
return new self(
$fullClassName,
$methodName,
$cloneArguments,
'public',
'',
'',
new UnknownType,
'',
false,
false,
null
);
}
public function __construct(string $className, string $methodName, bool $cloneArguments, string $modifier, string $argumentsForDeclaration, string $argumentsForCall, Type $returnType, string $reference, bool $callOriginalMethod, bool $static, ?string $deprecation)
{
$this->className = $className;
$this->methodName = $methodName;
$this->cloneArguments = $cloneArguments;
$this->modifier = $modifier;
$this->argumentsForDeclaration = $argumentsForDeclaration;
$this->argumentsForCall = $argumentsForCall;
$this->returnType = $returnType;
$this->reference = $reference;
$this->callOriginalMethod = $callOriginalMethod;
$this->static = $static;
$this->deprecation = $deprecation;
}
public function getName(): string
{
return $this->methodName;
}
/**
* @throws RuntimeException
*/
public function generateCode(): string
{
if ($this->static) {
$templateFile = 'mocked_static_method.tpl';
} elseif ($this->returnType instanceof VoidType) {
$templateFile = sprintf(
'%s_method_void.tpl',
$this->callOriginalMethod ? 'proxied' : 'mocked'
);
} else {
$templateFile = sprintf(
'%s_method.tpl',
$this->callOriginalMethod ? 'proxied' : 'mocked'
);
}
$deprecation = $this->deprecation;
if (null !== $this->deprecation) {
$deprecation = "The {$this->className}::{$this->methodName} method is deprecated ({$this->deprecation}).";
$deprecationTemplate = $this->getTemplate('deprecation.tpl');
$deprecationTemplate->setVar(
[
'deprecation' => var_export($deprecation, true),
]
);
$deprecation = $deprecationTemplate->render();
}
$template = $this->getTemplate($templateFile);
$template->setVar(
[
'arguments_decl' => $this->argumentsForDeclaration,
'arguments_call' => $this->argumentsForCall,
'return_declaration' => !empty($this->returnType->asString()) ? (': ' . $this->returnType->asString()) : '',
'return_type' => $this->returnType->asString(),
'arguments_count' => !empty($this->argumentsForCall) ? substr_count($this->argumentsForCall, ',') + 1 : 0,
'class_name' => $this->className,
'method_name' => $this->methodName,
'modifier' => $this->modifier,
'reference' => $this->reference,
'clone_arguments' => $this->cloneArguments ? 'true' : 'false',
'deprecation' => $deprecation,
]
);
return $template->render();
}
public function getReturnType(): Type
{
return $this->returnType;
}
/**
* @throws RuntimeException
*/
private function getTemplate(string $template): Template
{
$filename = __DIR__ . DIRECTORY_SEPARATOR . 'Generator' . DIRECTORY_SEPARATOR . $template;
if (!isset(self::$templates[$filename])) {
try {
self::$templates[$filename] = new Template($filename);
} catch (TemplateException $e) {
throw new RuntimeException(
$e->getMessage(),
(int) $e->getCode(),
$e
);
}
}
return self::$templates[$filename];
}
/**
* Returns the parameters of a function or method.
*
* @throws RuntimeException
*/
private static function getMethodParametersForDeclaration(ReflectionMethod $method): string
{
$parameters = [];
foreach ($method->getParameters() as $i => $parameter) {
$name = '$' . $parameter->getName();
/* Note: PHP extensions may use empty names for reference arguments
* or "..." for methods taking a variable number of arguments.
*/
if ($name === '$' || $name === '$...') {
$name = '$arg' . $i;
}
$nullable = '';
$default = '';
$reference = '';
$typeDeclaration = '';
$type = null;
$typeName = null;
if ($parameter->hasType()) {
$type = $parameter->getType();
if ($type instanceof ReflectionNamedType) {
$typeName = $type->getName();
}
}
if ($parameter->isVariadic()) {
$name = '...' . $name;
} elseif ($parameter->isDefaultValueAvailable()) {
$default = ' = ' . self::exportDefaultValue($parameter);
} elseif ($parameter->isOptional()) {
$default = ' = null';
}
if ($type !== null) {
if ($typeName !== 'mixed' && $parameter->allowsNull() && !$type instanceof ReflectionUnionType) {
$nullable = '?';
}
if ($typeName === 'self') {
$typeDeclaration = $method->getDeclaringClass()->getName() . ' ';
} elseif ($typeName !== null) {
$typeDeclaration = $typeName . ' ';
} elseif ($type instanceof ReflectionUnionType) {
$typeDeclaration = self::unionTypeAsString(
$type,
$method->getDeclaringClass()->getName()
);
}
}
if ($parameter->isPassedByReference()) {
$reference = '&';
}
$parameters[] = $nullable . $typeDeclaration . $reference . $name . $default;
}
return implode(', ', $parameters);
}
/**
* Returns the parameters of a function or method.
*
* @throws ReflectionException
*/
private static function getMethodParametersForCall(ReflectionMethod $method): string
{
$parameters = [];
foreach ($method->getParameters() as $i => $parameter) {
$name = '$' . $parameter->getName();
/* Note: PHP extensions may use empty names for reference arguments
* or "..." for methods taking a variable number of arguments.
*/
if ($name === '$' || $name === '$...') {
$name = '$arg' . $i;
}
if ($parameter->isVariadic()) {
continue;
}
if ($parameter->isPassedByReference()) {
$parameters[] = '&' . $name;
} else {
$parameters[] = $name;
}
}
return implode(', ', $parameters);
}
/**
* @throws ReflectionException
*/
private static function exportDefaultValue(ReflectionParameter $parameter): string
{
try {
return (string) var_export($parameter->getDefaultValue(), true);
// @codeCoverageIgnoreStart
} catch (\ReflectionException $e) {
throw new ReflectionException(
$e->getMessage(),
(int) $e->getCode(),
$e
);
}
// @codeCoverageIgnoreEnd
}
private static function unionTypeAsString(ReflectionUnionType $union, string $self): string
{
$types = [];
foreach ($union->getTypes() as $type) {
if ((string) $type === 'self') {
$types[] = $self;
} else {
$types[] = $type;
}
}
return implode('|', $types) . ' ';
}
}
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