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<?php |
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/** |
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* The Gherkish subpackage contains experimental support classes to implement |
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* feature testing with a Gherkin inspired syntax. |
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* |
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* WARNING Classes in these package are not covered by semver and may change |
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* without notice. |
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* |
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* See features/ for example usage |
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*/ |
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declare(strict_types=1); |
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namespace hanneskod\readmetester\Gherkish; |
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final class FeatureContext |
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{ |
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/** @var array<string, \Closure> */ |
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private array $steps = []; |
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/** @var array<string, mixed> */ |
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private array $properties = []; |
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private \Closure $onTeardown; |
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/** |
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* Register closure to be called before step registration |
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*/ |
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public function setup(\Closure $setup): self |
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{ |
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$setup = $setup->bindTo($this); |
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if (!$setup) { |
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throw new \LogicException('Unable to register setup'); |
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} |
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$setup(); |
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return $this; |
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} |
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/** |
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* Register closure to be called after scenario execution |
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*/ |
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public function teardown(\Closure $teardown): self |
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{ |
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$teardown = $teardown->bindTo($this); |
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if (!$teardown) { |
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throw new \LogicException('Unable to register teardown'); |
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} |
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$this->onTeardown = $teardown; |
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return $this; |
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} |
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/** |
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* Register step |
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*/ |
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public function on(string $name, \Closure $step): self |
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{ |
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$step = $step->bindTo($this); |
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if (!$step) { |
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throw new \LogicException('Unable to register step'); |
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} |
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$this->steps[strtolower($name)] = $step; |
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return $this; |
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} |
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/** |
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* Register step using method overloading |
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* |
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* @param array<mixed> $arguments |
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*/ |
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public function __call(string $name, array $arguments): self |
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{ |
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$step = $arguments[0] ?? null; |
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if (!$step instanceof \Closure) { |
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throw new \LogicException('Step must be registered with a closure'); |
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} |
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return $this->on($name, $step); |
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} |
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/** |
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* Execute step |
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* |
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* @param array<mixed> $arguments |
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*/ |
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public function do(string $name, array $arguments): void |
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{ |
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$name = strtolower($name); |
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if (!isset($this->steps[$name])) { |
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throw new \Exception("No step $name"); |
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} |
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($this->steps[$name])(...$arguments); |
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} |
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public function __destruct() |
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{ |
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if (isset($this->onTeardown)) { |
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($this->onTeardown)(); |
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} |
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} |
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public function __set(string $name, mixed $value): void |
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{ |
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$this->properties[$name] = $value; |
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} |
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public function &__get(string $name): mixed |
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{ |
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if (!isset($this->properties[$name])) { |
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throw new \Exception("no propery $name"); |
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} |
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return $this->properties[$name]; |
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} |
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/** |
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* Get scenario for configuration |
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*/ |
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public function getScenario(): Scenario |
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{ |
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return new Scenario($this); |
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} |
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} |
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