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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 function array_map;
use function explode;
use function get_class;
use function implode;
use function in_array;
use function interface_exists;
use function is_object;
use function sprintf;
use function strpos;
use function strtolower;
use function substr;
use Doctrine\Instantiator\Instantiator;
use PHPUnit\Framework\SelfDescribing;
use PHPUnit\Util\Cloner;
use SebastianBergmann\Exporter\Exporter;
use stdClass;
use Throwable;
/**
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*/
final class Invocation implements SelfDescribing
{
/**
* @var string
*/
private $className;
/**
* @var string
*/
private $methodName;
/**
* @var array
*/
private $parameters;
/**
* @var string
*/
private $returnType;
/**
* @var bool
*/
private $isReturnTypeNullable = false;
/**
* @var bool
*/
private $proxiedCall;
/**
* @var object
*/
private $object;
public function __construct(string $className, string $methodName, array $parameters, string $returnType, object $object, bool $cloneObjects = false, bool $proxiedCall = false)
{
$this->className = $className;
$this->methodName = $methodName;
$this->parameters = $parameters;
$this->object = $object;
$this->proxiedCall = $proxiedCall;
if (strtolower($methodName) === '__tostring') {
$returnType = 'string';
}
if (strpos($returnType, '?') === 0) {
$returnType = substr($returnType, 1);
$this->isReturnTypeNullable = true;
}
$this->returnType = $returnType;
if (!$cloneObjects) {
return;
}
foreach ($this->parameters as $key => $value) {
if (is_object($value)) {
$this->parameters[$key] = Cloner::clone($value);
}
}
}
public function getClassName(): string
{
return $this->className;
}
public function getMethodName(): string
{
return $this->methodName;
}
public function getParameters(): array
{
return $this->parameters;
}
/**
* @throws RuntimeException
*
* @return mixed Mocked return value
*/
public function generateReturnValue()
{
if ($this->isReturnTypeNullable || $this->proxiedCall) {
return null;
}
$intersection = false;
$union = false;
$unionContainsIntersections = false;
if (strpos($this->returnType, '|') !== false) {
$types = explode('|', $this->returnType);
$union = true;
if (strpos($this->returnType, '(') !== false) {
$unionContainsIntersections = true;
}
} elseif (strpos($this->returnType, '&') !== false) {
$types = explode('&', $this->returnType);
$intersection = true;
} else {
$types = [$this->returnType];
}
$types = array_map('strtolower', $types);
if (!$intersection && !$unionContainsIntersections) {
if (in_array('', $types, true) ||
in_array('null', $types, true) ||
in_array('mixed', $types, true) ||
in_array('void', $types, true)) {
return null;
}
if (in_array('true', $types, true)) {
return true;
}
if (in_array('false', $types, true) ||
in_array('bool', $types, true)) {
return false;
}
if (in_array('float', $types, true)) {
return 0.0;
}
if (in_array('int', $types, true)) {
return 0;
}
if (in_array('string', $types, true)) {
return '';
}
if (in_array('array', $types, true)) {
return [];
}
if (in_array('static', $types, true)) {
try {
return (new Instantiator)->instantiate(get_class($this->object));
} catch (Throwable $t) {
throw new RuntimeException(
$t->getMessage(),
(int) $t->getCode(),
$t
);
}
}
if (in_array('object', $types, true)) {
return new stdClass;
}
if (in_array('callable', $types, true) ||
in_array('closure', $types, true)) {
return static function (): void
{
};
}
if (in_array('traversable', $types, true) ||
in_array('generator', $types, true) ||
in_array('iterable', $types, true)) {
$generator = static function (): \Generator
{
yield from [];
};
return $generator();
}
if (!$union) {
try {
return (new Generator)->getMock($this->returnType, [], [], '', false);
} catch (Throwable $t) {
if ($t instanceof Exception) {
throw $t;
}
throw new RuntimeException(
$t->getMessage(),
(int) $t->getCode(),
$t
);
}
}
}
if ($intersection && $this->onlyInterfaces($types)) {
try {
return (new Generator)->getMockForInterfaces($types);
} catch (Throwable $t) {
throw new RuntimeException(
sprintf(
'Return value for %s::%s() cannot be generated: %s',
$this->className,
$this->methodName,
$t->getMessage(),
),
(int) $t->getCode(),
);
}
}
$reason = '';
if ($union) {
$reason = ' because the declared return type is a union';
} elseif ($intersection) {
$reason = ' because the declared return type is an intersection';
}
throw new RuntimeException(
sprintf(
'Return value for %s::%s() cannot be generated%s, please configure a return value for this method',
$this->className,
$this->methodName,
$reason
)
);
}
public function toString(): string
{
$exporter = new Exporter;
return sprintf(
'%s::%s(%s)%s',
$this->className,
$this->methodName,
implode(
', ',
array_map(
[$exporter, 'shortenedExport'],
$this->parameters
)
),
$this->returnType ? sprintf(': %s', $this->returnType) : ''
);
}
public function getObject(): object
{
return $this->object;
}
/**
* @psalm-param non-empty-list<string> $types
*/
private function onlyInterfaces(array $types): bool
{
foreach ($types as $type) {
if (!interface_exists($type)) {
return false;
}
}
return true;
}
}
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