<?php
/**
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
 * @version //autogentag//
 * @filesource
 * @package Tree
 * @subpackage Tests
 */

require_once 'tree.php';

/**
 * @package Tree
 * @subpackage Tests
 */
class ezcTreeVisitorTest extends ezcTestCase
{
    public function setUp()
    {
        $this->tree = ezcTreeMemory::create( new ezcTreeMemoryDataStore() );
    }

    protected function addTestData( $tree )
    {
        $primates = array(
            'Hominoidea' => array(
                'Hylobatidae' => array(
                    'Hylobates' => array(
                        'Lar Gibbon',
                        'Agile Gibbon',
                        'Müller\'s Bornean Gibbon',
                        'Silvery Gibbon',
                        'Pileated Gibbon',
                        'Kloss\'s Gibbon',
                    ),
                    'Hoolock' => array(
                        'Western Hoolock Gibbon',
                        'Eastern Hoolock Gibbon',
                    ),
                    'Symphalangus' => array(),
                    'Nomascus' => array(
                        'Black Crested Gibbon',
                        'Eastern Black Crested Gibbon',
                        'White-cheecked Crested Gibbon',
                        'Yellow-cheecked Gibbon',
                    ),
                ),
                'Hominidae' => array(
                    'Pongo' => array(
                        'Bornean Orangutan',
                        'Sumatran Orangutan',
                    ), 
                    'Gorilla' => array(
                        'Western Gorilla' => array(
                            'Western Lowland Gorilla',
                            'Cross River Gorilla',
                        ),
                        'Eastern Gorilla' => array(
                            'Mountain Gorilla',
                            'Eastern Lowland Gorilla',
                        ),
                    ), 
                    'Homo' => array(
                        'Homo Sapiens' => array(
                            'Homo Sapiens Sapiens',
                            'Homo Superior'
                        ),
                    ),
                    'Pan' => array(
                        'Common Chimpanzee',
                        'Bonobo',
                    ),
                ),
            ),
        );

        $root = $tree->createNode( 'Hominoidea', 'Hominoidea' );
        $tree->setRootNode( $root );

        $this->addChildren( $root, $primates['Hominoidea'] );
    }

    private function addChildren( ezcTreeNode $node, array $children )
    {
        foreach( $children as $name => $child )
        {
            if ( is_array( $child ) )
            {
                $newNode = $node->tree->createNode( $name, $name );
                $node->addChild( $newNode );
                $this->addChildren( $newNode, $child );
            }
            else
            {
                $newNode = $node->tree->createNode( $child, $child );
                $node->addChild( $newNode );
            }
        }
    }

    public function testVisitor1()
    {
        $tree = ezcTreeMemory::create( new ezcTreeMemoryDataStore() );
        $this->addTestData( $tree );

        $visitor = new ezcTreeVisitorGraphViz;
        $tree->accept( $visitor );
        self::assertSame( 'c422c6271ff3c9a213156e660a1ba8b2', md5( (string) $visitor ) );
    }

    public function testVisitor2()
    {
        $tree = ezcTreeMemory::create( new ezcTreeMemoryDataStore() );
        $this->addTestData( $tree );

        $expected = file_get_contents( dirname( __FILE__) . '/files/compare/visitor-visitor2.txt' );

        $visitor = new ezcTreeVisitorPlainText;
        $tree->accept( $visitor );
        self::assertSame( $expected, (string) $visitor );

        $visitor = new ezcTreeVisitorPlainText( ezcTreeVisitorPlainText::SYMBOL_UTF8 );
        $tree->accept( $visitor );
        self::assertSame( $expected, (string) $visitor );
    }

    public function testVisitor3()
    {
        $tree = ezcTreeMemory::create( new ezcTreeMemoryDataStore() );
        $this->addTestData( $tree );

        $visitor = new ezcTreeVisitorPlainText( ezcTreeVisitorPlainText::SYMBOL_ASCII );
        $tree->accept( $visitor );
        $expected = file_get_contents( dirname( __FILE__) . '/files/compare/visitor-visitor3.txt' );
        self::assertSame( $expected, (string) $visitor );
    }

    public function testVisitor4()
    {
        $tree = ezcTreeMemory::create( new ezcTreeMemoryDataStore() );

        $visitor = new ezcTreeVisitorPlainText( ezcTreeVisitorPlainText::SYMBOL_ASCII );
        $tree->accept( $visitor );
        $expected = "\n";
        self::assertSame( $expected, (string) $visitor );
    }

    public static function suite()
    {
         return new PHPUnit_Framework_TestSuite( "ezcTreeVisitorTest" );
    }
}

?>