custom validation rule for fuelPHP

gistfile1.php

<?php
/* fuel/app/classes/myvalidations.php */
class MyValidations
{
    // Method name must start at '_validation_'
    public static function _validation_something_check($value)
    {
        return $value ? true : false;
    }   
}

gistfile2.php

<?php
/* fuel/app/tests/myvalidations.php */
/**
 * MyValidations class Tests
 * 
 * @group App
 */
class Test_MyValidations extends TestCase
{
    public function test_validation_something_check_valid()
    {
        $input = 1;
        $result = MyValidations::_validation_something_check($input);
        $expect = true;
        
        $this->assertEquals($expected, $test);
    }
    
    public function test_validation_something_check_invalid()
    {
        $input = 0;
        $result = MyValidations::_validation_something_check($input);
        $expect = false;
        
        $this->assertEquals($expected, $test);
    }
}

gistfile3.php

<?php

$validation = Validation::forge();
$validation->add_callable('MyValidations');// custom validation class

$validation->add('name', '名前')
    ->add_rule('trim')
    ->add_rule('required')
    ->add_rule('something_check');// custom validation rule

if ($validation->run()) {
    // valid
    $validated_inputs = $validation->validated();
} else {
    // invalid
}

gistfile4.php

<?php
/* fuel/app/lang/js/validation.php */

return array(
    'something_check' => ':label が不正です。',
    );