Html2PdfRendererTest.php

<?php
/**
 * @license http://opensource.org/licenses/MIT MIT
 * @copyright Copyright (c) 2015 Vinicius Fagundes
 */

namespace ZffTest\Html2Pdf\View\Renderer;

use PHPUnit_Framework_TestCase as TestCase;
use Zend\View\Renderer\PhpRenderer;
use Zend\View\Resolver\TemplatePathStack;
use Zff\Html2Pdf\View\Model\Html2PdfModel;
use Zff\Html2Pdf\View\Renderer\Html2PdfRenderer;

/**
 * @author Vinicius Fagundes <mvlacerda@gmail.com>
 */
class Html2PdfRendererTest extends TestCase
{
    /**
     * @var Html2PdfRenderer
     */
    protected $renderer;

    /**
     * @var PhpRenderer
     */
    protected $phpRenderer;

    public function setUp()
    {
        $this->phpRenderer = new PhpRenderer;
        $this->renderer    = new Html2PdfRenderer();
        $this->renderer->setDefaultHtml2pdfOptions(array());

        $this->renderer->setViewRenderer($this->phpRenderer);
    }

    public function testEngineIsIdenticalToRenderer()
    {
        $this->assertSame($this->renderer, $this->renderer->getEngine());
    }

    public function testPassingNameToResolverReturnsScriptName()
    {
        $this->renderer->resolver()->addPath('./test/_templates');
        $filename = $this->renderer->resolver('layout.phtml');
        $this->assertEquals(realpath('./test/_templates/layout.phtml'), $filename);
    }

    public function testResolverIsAProxyToPhpRendererResolver()
    {
        $this->assertSame($this->phpRenderer->resolver(), $this->renderer->resolver());
    }

    public function testCanSetResolverInstance()
    {
        $resolver = new TemplatePathStack();
        $this->renderer->setResolver($resolver);
        $this->assertSame($resolver, $this->renderer->resolver());

        $this->assertSame($this->phpRenderer->resolver(), $this->renderer->resolver());
    }

    public function testPassingInvalidHtmlToRenderRaisesException()
    {
        $model = new Html2PdfModel();
        $model->setTemplate('invalid.phtml');

        $this->renderer->resolver()->addPath('./test/_templates');

        $this->setExpectedException('HTML2PDF_exception');
        $this->renderer->render($model);
    }

    public function testPassingValidHtmlToRenderAsString()
    {
        $model = new Html2PdfModel();
        $model->setTemplate('template00.phtml');
        $model->setDest('S');

        $this->renderer->resolver()->addPath('./test/_templates');

        $pdfContentAsString = $this->renderer->render($model);

        $this->assertStringStartsWith('%PDF', $pdfContentAsString);
    }

    public function testMergeConstructorOptionsFromModel()
    {
        $model = new Html2PdfModel();
        $model->setDest('S');
        $model->setTemplate('template00.phtml');
        $model->setHtml2PdfOptions([
            'orientation' => 'L',
            'format'      => 'A3',
            'lang'        => 'pt',
            'encoding'    => 'ISO-8859-1',
            'margins'     => [5, 10, 20, 30],
        ]);

        $this->renderer->resolver()->addPath('./test/_templates');
        $this->renderer->render($model);

        $html2pdfObject = $model->getVariable('html2pdf');

        $this->assertNotNull($html2pdfObject);

        $this->assertAttributeEquals('L', '_orientation', $html2pdfObject);
        $this->assertAttributeEquals('A3', '_format', $html2pdfObject);
        $this->assertAttributeEquals('pt', '_langue', $html2pdfObject);
        $this->assertAttributeEquals(true, '_unicode', $html2pdfObject);
        $this->assertAttributeEquals('ISO-8859-1', '_encoding', $html2pdfObject);
    }

}