/**
* @param ApplicationConfig $config
* @param string $prefix
*
* @throws InvalidArgumentException
*/
public function __construct(ApplicationConfig $config, $prefix)
{
Assertion::string($prefix);
$this->prefix = $prefix;
$this->config = $config;
$this->provides = array_map(function ($key) {
return $this->keyPrefix() . $key;
}, $config->getKeys());
}
public function testItReturnsAllItsKeys()
{
assertEquals(['keyA', 'group1', 'group1.keyB', 'group1.null'], $this->config->getKeys());
}
