FormValidatorCustomTest.php

<?php
 
import('lib.pkp.tests.PKPTestCase');
import('lib.pkp.classes.form.Form');
 
class FormValidatorCustomTest extends PKPTestCase {
   private
      $checkedValue;
 
   public function testIsValid() {
      $form = new Form('some template');
      $validationFunction = array($this, 'userValidationFunction');
 
      // Tests are completely bypassed when the validation type is
      // "optional" and the test field is empty. We make sure this is the
      // case by returning 'false' for the custom validation function.
      $form->setData('testData', '');
      $validator = new FormValidatorCustom($form, 'testData', FORM_VALIDATOR_OPTIONAL_VALUE, 'some.message.key', $validationFunction, array(false));
      self::assertTrue($validator->isValid());
      self::assertSame(null, $this->checkedValue);
 
      // Simulate valid data
      $form->setData('testData', 'xyz');
      $validator = new FormValidatorCustom($form, 'testData', FORM_VALIDATOR_REQUIRED_VALUE, 'some.message.key', $validationFunction, array(true));
      self::assertTrue($validator->isValid());
      self::assertSame('xyz', $this->checkedValue);
 
      // Simulate invalid data
      $form->setData('testData', 'xyz');
      $validator = new FormValidatorCustom($form, 'testData', FORM_VALIDATOR_REQUIRED_VALUE, 'some.message.key', $validationFunction, array(false));
      self::assertFalse($validator->isValid());
      self::assertSame('xyz', $this->checkedValue);
 
      // Simulate valid data with negation of the user function return value
      $form->setData('testData', 'xyz');
      $validator = new FormValidatorCustom($form, 'testData', FORM_VALIDATOR_REQUIRED_VALUE, 'some.message.key', $validationFunction, array(false), true);
      self::assertTrue($validator->isValid());
      self::assertSame('xyz', $this->checkedValue);
   }
 
   public function userValidationFunction($value, $additionalArgument) {
      $this->checkedValue = $value;
      return $additionalArgument;
   }
}