<?php
/**
* Copyright (c) 2010-2017 Arne Blankerts <arne@blankerts.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of Arne Blankerts nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER ORCONTRIBUTORS
* 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.
*
*
* @category PHP
* @package TheSeer\fDOM
* @author Arne Blankerts <arne@blankerts.de>
* @copyright Arne Blankerts <arne@blankerts.de>, All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @link http://github.com/theseer/fdomdocument
*
*/

namespace TheSeer\fDOM\Tests {

use TheSeer\fDOM\XPathQuery;
use TheSeer\fDOM\fDOMDocument;
use TheSeer\fDOM\XPathQueryException;

class XPathQueryTest extends \PHPUnit\Framework\TestCase {

private $dom;

protected function setUp(): void {
$this->dom = new fDOMDocument();
$this->dom->loadXML('<?xml version="1.0" ?><root attr="value" />');
}


public function testFindingKeysInQueryWorks() {
$xp = new XPathQuery(':key');
$this->assertEquals(array('key'), $xp->getKeys());
}

public function testTryingToBindNonExistingKeyThrowsException() {
$xp = new XPathQuery(':key');
$this->expectException(XPathQueryException::class);
$xp->bind('other', 123);
}

public function testBoundValueForKeyGetsApplied() {
$xp = new XPathQuery(':key');
$xp->bind('key', 123);
$this->assertEquals('"123"', $xp->generate($this->dom));
}

public function testAppliedValueForKeyIsUsedOnQueryAndReturnsNode() {
$xp = new XPathQuery('//*[@attr = :key]');
$xp->bind('key', 'value');
$res = $xp->query($this->dom);
$this->assertInstanceOf('\DOMNodelist', $res);
$this->assertEquals(1, $res->length);
$this->assertInstanceOf('\DOMNode', $res->item(0));
}

public function testOverwriteValueOnQuery() {
$xp = new XPathQuery('//*[@attr = :key]');
$xp->bind('key', 'first');
$res = $xp->query($this->dom, array('key' => 'value'));
$this->assertEquals(1, $res->length);
$this->assertInstanceOf('\DOMNode', $res->item(0));
}

public function testAppliedValueForKeyIsUsedOnEvaluateAndReturnsNode() {
$xp = new XPathQuery('//*[@attr = :key]');
$xp->bind('key', 'value');
$res = $xp->evaluate($this->dom);
$this->assertInstanceOf('\DOMNodelist', $res);
$this->assertEquals(1, $res->length);
$this->assertInstanceOf('\DOMNode', $res->item(0));
}

public function testOverwriteValueOnEvaluate() {
$xp = new XPathQuery('//*[@attr = :key]');
$xp->bind('key', 'first');
$res = $xp->evaluate($this->dom, array('key' => 'value'));
$this->assertEquals(1, $res->length);
$this->assertInstanceOf('\DOMNode', $res->item(0));
}

public function testCallToQueryOneReturnsOneNode() {
$xp = new XPathQuery('//*[@attr]');
$res = $xp->queryOne($this->dom);
$this->assertInstanceOf('\DOMNode', $res);
}

public function testQueryCanBeRunWithStandardDomDocument() {
$xp = new XPathQuery('/');
$res = $xp->query(new \DomDocument());
$this->assertInstanceOf('\DOMNodelist', $res);
}

}

}