FilterHelperTest.php

<?php
 
import('lib.pkp.tests.PKPTestCase');
import('lib.pkp.classes.filter.FilterHelper');
 
import('lib.pkp.classes.filter.CompositeFilter');
class OtherCompositeFilter extends CompositeFilter {
   // A test class.
}
 
class FilterHelperTest extends PKPTestCase {
   public function testCompareFilters() {
      $filterHelper = new FilterHelper();
 
      import('lib.pkp.classes.filter.FilterGroup');
      $someGroup = new FilterGroup();
      $someGroup->setInputType('primitive::string');
      $someGroup->setOutputType('primitive::string');
 
      import('lib.pkp.classes.filter.PersistableFilter');
      $filterA = new PersistableFilter($someGroup);
      $filterBSettings = array('some-key' => 'some-value');
      $filterBSubfilters = array();
      self::assertFalse($filterHelper->compareFilters($filterA, $filterBSettings, $filterBSubfilters));
 
      import('lib.pkp.classes.filter.FilterSetting');
      $filterA->addSetting(new FilterSetting('some-key', null, null));
      self::assertFalse($filterHelper->compareFilters($filterA, $filterBSettings, $filterBSubfilters));
 
      $filterA->setData('some-key', 'some-value');
      self::assertTrue($filterHelper->compareFilters($filterA, $filterBSettings, $filterBSubfilters));
 
      $filterA = new CompositeFilter($someGroup);
      $filterBSettings = array();
      $filterBSubfilter = new CompositeFilter($someGroup);
      $filterBSubfilter->setSequence(1);
      $filterBSubfilters = array($filterBSubfilter);
      self::assertFalse($filterHelper->compareFilters($filterA, $filterBSettings, $filterBSubfilters));
 
      $filterASubfilter = new OtherCompositeFilter($someGroup);
      $filterA->addFilter($filterASubfilter);
      self::assertFalse($filterHelper->compareFilters($filterA, $filterBSettings, $filterBSubfilters));
 
      $filterA = new CompositeFilter($someGroup);
      $filterASubfilter = new CompositeFilter($someGroup);
      $filterA->addFilter($filterASubfilter);
      self::assertTrue($filterHelper->compareFilters($filterA, $filterBSettings, $filterBSubfilters));
 
      $filterBSubfilter->addSetting(new FilterSetting('some-key', null, null));
      $filterASubfilter->addSetting(new FilterSetting('some-key', null, null));
      $filterBSubfilter->setData('some-key', 'some-value');
      self::assertFalse($filterHelper->compareFilters($filterA, $filterBSettings, $filterBSubfilters));
 
      $filterASubfilter->setData('some-key', 'some-value');
      self::assertTrue($filterHelper->compareFilters($filterA, $filterBSettings, $filterBSubfilters));
   }
}