private function buildPolicy($method, callable $fn)
{
if (!method_exists('\\Shmock\\Policy', $method)) {
throw new \InvalidArgumentException("{$method} does not exist on policies");
}
$builder = new ClassBuilder();
$builder->setExtends("\\Shmock\\Policy");
$builder->addMethod($method, function (Invocation $i) use($fn) {
return $i->callWith($fn);
}, ['$className', '$methodName', '$value', '$static']);
$clazz = $builder->create();
return new $clazz();
}
/**
* Helper method to properly initialize a class builder with everything
* ready for $builder->create() to be invoked. Has no side effects
*
* @return \Shmock\ClassBuilder\ClassBuilder
*/
protected function initializeClassBuilder()
{
// build the mock class
$builder = new ClassBuilder();
if (class_exists($this->className)) {
$builder->setExtends($this->className);
} elseif (interface_exists($this->className)) {
$builder->addInterface($this->className);
} else {
throw new \InvalidArgumentException("Class or interface " . $this->className . " does not exist");
}
// every mocked method goes through this invocation, which delegates
// the retrieval of the correct Spec to this Instance's Ordering constraint.
$resolveCall = function (Invocation $inv) {
$spec = $this->ordering->nextSpec($inv->getMethodName());
return $spec->doInvocation($inv);
};
return $this->addMethodsToBuilder($builder, $resolveCall);
}