Mini tester

tester.php

<?php

function test($expected, $obtained){
  if($expected != $obtained){
    return "Falha, $expected é diferente de $obtained";
  }else{
    return "Ok";
  }
}

function test_runner($test_list){
  foreach($test_list as $test_name => $test){
    echo $test_name . ": " . $test() . "\n";
  }
}

function soma($a, $b){
  return $a + $b; 
}

$test_list = array(
  'Soma deve retornar 2 ao receber 1 e 1' => function(){
    return test(2, soma(1, 1));
  },  

  'Soma deve retornar 4 ao receber 2 e 2' => function(){
    return test(4, soma(2, 2));
  }   
);

test_runner($test_list);