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<?php declare(strict_types=1); |
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namespace Pitchart\Phlunit; |
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use function Pitchart\Transformer\transform; |
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abstract class Builder |
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{ |
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/** @var array */ |
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private $arguments = []; |
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/** |
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* @var array |
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*/ |
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private $constructorArguments = []; |
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/** @var string|null */ |
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private $staticFactoryMethod; |
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/** |
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* @var \ReflectionClass |
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*/ |
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private $reflection; |
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/** |
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* @var bool|\ReflectionClass|string |
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*/ |
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protected $class; |
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abstract public function build(); |
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protected function __construct(string $class, array $arguments, string $staticFactoryMethod = null) |
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{ |
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$this->staticFactoryMethod = $staticFactoryMethod; |
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$this->arguments = $arguments; |
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$this->class = $class; |
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$this->reflection = new \ReflectionClass($class); |
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$this->extractConstructorArguments($staticFactoryMethod); |
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$missingConstructorArguments = transform($this->constructorArguments) |
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->remove(static function(string $key) use ($arguments) { |
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return \array_key_exists($key, $arguments); |
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}) |
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->toArray() |
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; |
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if (\count($missingConstructorArguments) > 0) { |
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throw new \InvalidArgumentException(\sprintf( |
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'The following arguments key(s) must be provided with default value : [%s]', |
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\implode(', ', $missingConstructorArguments) |
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)); |
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} |
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} |
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/** |
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* Override arguments |
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* |
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* @param $name |
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* @param $value |
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* |
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* @return void |
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*/ |
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final protected function setArgument(string $name, $value): void |
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{ |
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if (! \array_key_exists($name, $this->arguments)) { |
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throw new \InvalidArgumentException("There is no argument $name"); |
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} |
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$this->arguments[$name] = $value; |
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} |
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/** |
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* Allows to call with*() and and*() for defined arguments |
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* |
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* @param $name |
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* @param $arguments |
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* |
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* @return Builder |
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*/ |
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final public function __call($name, $arguments): self |
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{ |
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if (\strpos($name, 'with') === 0) { |
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$property = \substr($name, 4); |
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} |
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if (\strpos($name, 'and') === 0) { |
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$property = \substr($name, 3); |
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} |
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if (!isset($property)) { |
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throw new \BadMethodCallException("Method $name is not supported. Supported methods are with*() and and*()"); |
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} |
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if (\count($arguments) !== 1) { |
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throw new \InvalidArgumentException(\sprintf("There must be exactly one argument for method '%s', %d given", $name, \count($arguments))); |
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} |
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$property = \lcfirst($property); |
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$this->setArgument($property, \current($arguments)); |
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return $this; |
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} |
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/** |
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* Builds the instance using the constructor or a static factory method |
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* |
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* @return mixed|object |
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*/ |
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final protected function buildInstance() |
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{ |
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if (!$this->staticFactoryMethod) { |
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$args = transform($this->constructorArguments)->map(function(string $argumentName) { |
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return $this->arguments[$argumentName]; |
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})->toArray(); |
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return $this->reflection->newInstanceArgs($args); |
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} |
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return \call_user_func_array([$this->class, $this->staticFactoryMethod], $this->arguments); |
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} |
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/** |
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* Extracts the names of the instanciation method arguments |
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* |
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* @param null|string $staticFactoryMethod |
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* |
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* @return void |
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*/ |
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private function extractConstructorArguments(?string $staticFactoryMethod): void |
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{ |
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$instanciationMethod = $staticFactoryMethod === null ? $this->reflection->getConstructor() : $this->reflection->getMethod($staticFactoryMethod); |
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$this->constructorArguments = transform($instanciationMethod->getParameters()) |
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->map(static function(\ReflectionParameter $parameter) { return $parameter->getName(); }) |
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->toArray() |
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; |
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} |
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} |
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pitchart /
phlunit
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