trekel / src / test / php / Trekel / SiblingTest.php

<?php
/**
 * Copyright 2010 Joey Mazzarelli. All rights reserved.
 *
 * Redistribution and use in source, with or without modification, is
 * permitted provided that the following condition is met:
 *
 *    1. Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 * THIS SOFTWARE IS PROVIDED BY JOEY MAZZARELLI ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL JOEY MAZZARELLI OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation
 * are those of the authors and should not be interpreted as representing
 * official policies, either expressed or implied, of Joey Mazzarelli.
 */

require_once dirname(__FILE__) . '/TestCase.php';

class Trekel_SiblingTest extends Trekel_TestCase {

  public function testOne () {

    $a = new Trekel_SiblingTest_A();
    $b = new Trekel_SiblingTest_B();
    $c1 = new Trekel_SiblingTest_C2a();
    $c2 = new Trekel_SiblingTest_C2b();
    $a->addChild($b);
    $a->addChild($c1);
    $a->addChild($c2);

    /**
     * This is what this looks like graphically
     *
     *          A
     *         /|\
     *        / | \
     *       B  C1 C2
     */

    // Make sure nothing is a sibling to A
    $parser = new Trekel_Parser();
    $parser->setSelector('Trekel_SiblingTest_A ~ *');
    $parseTree = $parser->parse();

    $evaluator = new Trekel_Evaluator();
    $evaluator->setParseTree($parseTree);
    $evaluator->setRootNode($a);

    $nodes = $evaluator->evaluate();
    $this->assertEquals(0, count($nodes));

    // Make sure 1 thing is a sibling to B
    $parser = new Trekel_Parser();
    $parser->setSelector('Trekel_SiblingTest_B ~ *');
    $parseTree = $parser->parse();

    $evaluator = new Trekel_Evaluator();
    $evaluator->setParseTree($parseTree);
    $evaluator->setRootNode($a);

    // Make sure the latter two are siblings
    $parser = new Trekel_Parser();
    $parser->setSelector('* ~ *');
    $parseTree = $parser->parse();

    $evaluator = new Trekel_Evaluator();
    $evaluator->setParseTree($parseTree);
    $evaluator->setRootNode($a);

    $nodes = $evaluator->evaluate();
    $this->assertEquals(2, count($nodes));

    // Make sure there are two siblings
    $parser = new Trekel_Parser();
    $parser->setSelector('* ~ Trekel_SiblingTest_C1');
    $parseTree = $parser->parse();

    $evaluator = new Trekel_Evaluator();
    $evaluator->setParseTree($parseTree);
    $evaluator->setRootNode($a);

    $nodes = $evaluator->evaluate();
    $this->assertEquals(2, count($nodes));

    // Make sure there are still two
    $parser = new Trekel_Parser();
    $parser->setSelector('Trekel_SiblingTest_B ~ Trekel_SiblingTest_C1');
    $parseTree = $parser->parse();

    $evaluator = new Trekel_Evaluator();
    $evaluator->setParseTree($parseTree);
    $evaluator->setRootNode($a);

    $nodes = $evaluator->evaluate();
    $this->assertEquals(2, count($nodes));

  }

} // end Trekel_ChildTest

class Trekel_SiblingTest_Base {
  private $children = array();
  private $parent;
  public function getChildren () {
    return $this->children;
  }
  public function getParent () {
    return $this->parent;
  }
  public function addChild ($child) {
    $child->setParent($this);
    $this->children[] = $child;
  }
  public function setParent ($parent) {
    $this->parent = $parent;
  }
}
class Trekel_SiblingTest_A extends Trekel_SiblingTest_Base { }
class Trekel_SiblingTest_B extends Trekel_SiblingTest_Base { }
class Trekel_SiblingTest_C1 extends Trekel_SiblingTest_Base { }
class Trekel_SiblingTest_C2a extends Trekel_SiblingTest_C1 { }
class Trekel_SiblingTest_C2b extends Trekel_SiblingTest_C1 { }
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