readium-sdk/UnitTests/object_preproc_tests.cpp at master · nodehack/readium-sdk · GitHub

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//
//  object_preproc_tests.cpp
//  ePub3
//
//  Created by Jim Dovey on 2013-02-01.
//
//  Copyright (c) 2014 Readium Foundation and/or its licensees. All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
//  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
//  2. 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.
//  3. Neither the name of the organization nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
//


#include "../ePub3/ePub/object_preprocessor.h"
#include "../ePub3/ePub/container.h"
#include "../ePub3/ePub/package.h"
#include "catch.hpp"

#define EPUB_PATH "TestData/widget-figure-gallery-20121022.epub"

static const char gNormalObject[] = R"raw(<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops" lang="en"
xml:lang="en">
  <head>
    <title>Testing epub:switch Preprocessing</title>
    <link href="css/epub.css" type="text/css" rel="stylesheet" />
  </head>
  <body>
    <object data="bob.mp4" type="video/mpeg">
      <param autoplay="true" />
    </object>
  </body>
</html>)raw";

static const char gGalleryObject[] = R"raw(<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"
	xmlns:epub="http://www.idpf.org/2007/ops">
	<head>
		<meta charset="utf-8"></meta>
		<title>Phases of the Moon</title>
        <link rel="stylesheet" type="text/css" href="epub.css"/>
	</head>
	<body>
		<section id="ch1">
			<h1>Phases of the Moon</h1>

    			<object data="moon-phases.xml" type="application/x-epub-figure-gallery" id="moon-figures">
    				<!-- object fallback is a series of figures -->
    				<figure class="fallback">
    					<img src="images/moon-images/1.new-moon.jpg"/>
    					<figcaption>
    						<h2>New Moon</h2>
    						<p>By the modern definition, New Moon occurs when the Moon and Sun are at the same geocentric ecliptic longitude. The part of the Moon facing us is completely in shadow then. Pictured here is the traditional New Moon, the earliest visible waxing crescent, which signals the start of a new month in many lunar and lunisolar calendars.</p>
    					</figcaption>
    				</figure>

    				<figure class="fallback">
    					<img src="images/moon-images/2.waxing-crescent.jpg"/>
    					<figcaption>
    						<h2>Waxing Crescent</h2>
    						<p>Visible toward the southwest in early evening.</p>
    					</figcaption>
    				</figure>

    				<figure class="fallback">
    					<img src="images/moon-images/3.first-quarter.jpg"/>
    					<figcaption>
    						<h2>First Quarter</h2>
    						<p>Visible high in the southern sky in early evening.</p>
    					</figcaption>
    				</figure>

    				<figure class="fallback">
    					<img src="images/moon-images/4.waxing-gibbous.jpg"/>
    					<figcaption>
    						<h2>Waxing Gibbous</h2>
    						<p>Visible to the southeast in early evening, up for most of the night.</p>
    					</figcaption>
    				</figure>

    				<figure class="fallback">
    					<img src="images/moon-images/5.full-moon.jpg"/>
    					<figcaption>
    						<h2>Full Moon</h2>
    						<p>Rises at sunset, high in the sky around midnight. Visible all night.</p>
    					</figcaption>
    				</figure>

    				<figure class="fallback">
    					<img src="images/moon-images/6.waning-gibbous.jpg"/>
    					<figcaption>
    						<h2>Waning Gibbous</h2>
    						<p>Rises after sunset, high in the sky after midnight, visible to the southwest after sunrise.</p>
    					</figcaption>
    				</figure>

    				<figure class="fallback">
    					<img src="images/moon-images/7.third-quarter.jpg"/>
    					<figcaption>
    						<h2>Third Quarter</h2>
    						<p>Rises around midnight, visible to the south after sunrise.</p>
    					</figcaption>
    				</figure>

    				<figure class="fallback">
    					<img src="images/moon-images/8.waning-crescent.jpg"/>
    					<figcaption>
    						<h2>Waning Crescent</h2>
    						<p>Low to the east before sunrise.</p>
    					</figcaption>
    				</figure>
    			</object>
        </section>
    </body>
</html>)raw";

static const char gShortGalleryObject[] = R"raw(<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"
	xmlns:epub="http://www.idpf.org/2007/ops">
	<head>
		<meta charset="utf-8"></meta>
		<title>Phases of the Moon</title>
        <link rel="stylesheet" type="text/css" href="epub.css"/>
	</head>
	<body>
		<section id="ch1">
			<h1>Phases of the Moon</h1>
    			<object data="moon-phases.xml" type="application/x-epub-figure-gallery" id="moon-figures" />
        </section>
    </body>
</html>)raw";

static const char gGalleryIFrame[] = R"raw(<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"
	xmlns:epub="http://www.idpf.org/2007/ops">
	<head>
		<meta charset="utf-8"></meta>
		<title>Phases of the Moon</title>
        <link rel="stylesheet" type="text/css" href="epub.css"/>
	</head>
	<body>
		<section id="ch1">
			<h1>Phases of the Moon</h1>

    			<iframe src="epub3://code.google.com.epub-samples.widget-figure-gallery/EPUB/figure-gallery-widget/figure-gallery-impl.xhtml?src=moon-phases.xml&type=application%2Fx-epub-figure-gallery" srcdoc="epub3://code.google.com.epub-samples.widget-figure-gallery/EPUB/figure-gallery-widget/figure-gallery-impl.xhtml?src=moon-phases.xml&type=application%2Fx-epub-figure-gallery" id="moon-figures" sandbox="allow-forms allow-scripts allow-same-origin" seamless="seamless"></iframe><form action="epub3://code.google.com.epub-samples.widget-figure-gallery/EPUB/figure-gallery-widget/figure-gallery-impl.xhtml?src=moon-phases.xml&type=application%2Fx-epub-figure-gallery" method="get" id="moon-figures-form"><button type="submit" id="moon-figures-button">Open Fullscreen</button></form>
        </section>
    </body>
</html>)raw";

static const char gGalleryIFrameFrench[] = R"raw(<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"
	xmlns:epub="http://www.idpf.org/2007/ops">
	<head>
		<meta charset="utf-8"></meta>
		<title>Phases of the Moon</title>
        <link rel="stylesheet" type="text/css" href="epub.css"/>
	</head>
	<body>
		<section id="ch1">
			<h1>Phases of the Moon</h1>

    			<iframe src="epub3://code.google.com.epub-samples.widget-figure-gallery/EPUB/figure-gallery-widget/figure-gallery-impl.xhtml?src=moon-phases.xml&type=application%2Fx-epub-figure-gallery" srcdoc="epub3://code.google.com.epub-samples.widget-figure-gallery/EPUB/figure-gallery-widget/figure-gallery-impl.xhtml?src=moon-phases.xml&type=application%2Fx-epub-figure-gallery" id="moon-figures" sandbox="allow-forms allow-scripts allow-same-origin" seamless="seamless"></iframe><form action="epub3://code.google.com.epub-samples.widget-figure-gallery/EPUB/figure-gallery-widget/figure-gallery-impl.xhtml?src=moon-phases.xml&type=application%2Fx-epub-figure-gallery" method="get" id="moon-figures-form"><button type="submit" id="moon-figures-button">Ouvrir</button></form>
        </section>
    </body>
</html>)raw";

using namespace ePub3;

TEST_CASE("Normal object tags are left unchanged", "")
{
    ContainerPtr c = Container::OpenContainer(EPUB_PATH);
    PackagePtr pkg = c->DefaultPackage();

    ObjectPreprocessor proc(pkg);
    std::unique_ptr<FilterContext> ctx(proc.MakeFilterContext(nullptr));

    size_t outLen = 0;
    char* input = strdup(gNormalObject);
    char* output = reinterpret_cast<char*>(proc.FilterData(ctx.get(), input, sizeof(gNormalObject), &outLen));

    INFO("Unaltered output:\n" << string(output, outLen));
    REQUIRE(outLen == sizeof(gNormalObject));
    REQUIRE(strncmp(input, output, outLen) == 0);

    if ( output != input )
        delete [] output;
    free(input);
}

TEST_CASE("Object tags for bound media should be replaced by iframes and buttons", "")
{
    ContainerPtr c = Container::OpenContainer(EPUB_PATH);
    PackagePtr pkg = c->DefaultPackage();

    ObjectPreprocessor proc(pkg);
    std::unique_ptr<FilterContext> ctx(proc.MakeFilterContext(nullptr));

    size_t outLen = 0;
    char* input = strdup(gGalleryObject);
    char* output = reinterpret_cast<char*>(proc.FilterData(ctx.get(), input, sizeof(gGalleryObject), &outLen));

    INFO("IFrame output:\n" << string(output, outLen));
    REQUIRE(outLen == sizeof(gGalleryIFrame));
    REQUIRE(strncmp(gGalleryIFrame, output, outLen) == 0);
}

TEST_CASE("The title of the 'Open Fullscreen' button may be replaced", "")
{
    ContainerPtr c = Container::OpenContainer(EPUB_PATH);
    PackagePtr pkg = c->DefaultPackage();

    ObjectPreprocessor proc(pkg, "Ouvrir");
    std::unique_ptr<FilterContext> ctx(proc.MakeFilterContext(nullptr));

    size_t outLen = 0;
    char* input = strdup(gGalleryObject);
    char* output = reinterpret_cast<char*>(proc.FilterData(ctx.get(), input, sizeof(gGalleryObject), &outLen));

    INFO("IFrame output:\n" << string(output, outLen));
    REQUIRE(outLen == sizeof(gGalleryIFrameFrench));
    REQUIRE(strncmp(gGalleryIFrameFrench, output, outLen) == 0);
}