<?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\fDOMDocument;
use TheSeer\fDOM\fDOMException;
use TheSeer\fDOM\fDOMXPath;

/**
*
* @author Arne Blankerts <arne@blankerts.de>
* @copyright Arne Blankerts <arne@blankerts.de>, All rights reserved.
*/
class fDOMXPathTest extends \PHPUnit\Framework\TestCase {

/**
* @var TheSeer\fDOM\fDOMDocument
*/
private $dom;

/**
* @var TheSeer\fDOM\fDOMXPath
*/
private $xp;

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

/**
* @covers TheSeer\fDOM\fDOMXPath::query
*/
public function testExecutingAQueryWithInvalidXPathThrowsException() {
$this->expectException(fDOMException::class);
$this->xp->query('//[invalid');

}


public function testQueryReturnsNodeList() {
$res = $this->xp->query('//*');
$this->assertInstanceOf('DOMNodeList', $res);
$this->assertEquals(2, $res->length);
}

/**
* @covers TheSeer\fDOM\fDOMXPath::evaluate
*/
public function testExecutingAQueryWithEvaluateWithInvalidXPathThrowsException() {
$this->expectException(fDOMException::class);
$this->xp->evaluate('//[invalid');
}

/**
* @covers TheSeer\fDOM\fDOMXPath::quote
*/
public function testPrepareReturnsStraightStringOnPlainText() {
$this->assertEquals('"test"', $this->xp->quote('test'));
}

public function testQueryOneReturnsANode() {
$this->assertSame($this->dom->documentElement, $this->xp->queryOne('//root'));
}

public function testPrepareReturnsUnmodifiedXPathOnEmptyArray() {
$xpath = 'test';
$this->assertEquals($xpath, $this->xp->prepare($xpath, array()));
}

public function testQueryOneReturnsValueOnNonNodeQuery() {
$this->assertEquals('1', $this->xp->queryOne('count(//root)'));
}

}

}