/**
* @test
*/
public function withPrefixWithMappers()
{
$data = ['OUTER_PREFIX_ONE' => 'One', 'OUTER_PREFIX_TWO' => 'Two', 'OUTER_THING' => 'Thing'];
$original = new Configuration($data, 'OUTER_');
$original->map('PREFIX_TWO')->using(function ($val) {
return strrev(strtoupper($val));
});
$original->map('THING')->using(function ($val) {
return strrev(strtoupper($val));
});
self::assertSame('GNIHT', $original->get('THING'));
$sut = $original->withPrefix('PREFIX_');
self::assertInstanceOf(Configuration::class, $sut);
self::assertSame('One', $sut->get('ONE'));
self::assertSame('OWT', $sut->get('TWO'));
$this->expectException(InvalidKeyException::class);
$this->expectExceptionMessage('No such key "THING" exists in Config.');
$sut->get('THING');
}
