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lnreader/modules/nitro-epub/cpp/tests/EpubParserTest.cpp
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2026-08-17 21:16:29 +05:30

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4.9 KiB
C++

#include "../import/EpubParser.hpp"
#include <algorithm>
#include <cassert>
#include <filesystem>
#include <fstream>
#include <string>
#include <vector>
namespace {
void writeFile(const std::filesystem::path& path, const std::string& content) {
std::filesystem::create_directories(path.parent_path());
std::ofstream file(path);
file << content;
}
std::string readFile(const std::filesystem::path& path) {
std::ifstream file(path);
return {std::istreambuf_iterator<char>(file),
std::istreambuf_iterator<char>()};
}
bool containsPath(const std::vector<std::string>& paths,
const std::filesystem::path& expectedPath) {
return std::find(paths.begin(), paths.end(), expectedPath.string()) !=
paths.end();
}
} // namespace
int main(int argc, char** argv) {
assert(argc == 2);
const std::filesystem::path fixtureDirectory = argv[1];
std::filesystem::remove_all(fixtureDirectory);
writeFile(
fixtureDirectory / "META-INF/container.xml",
R"xml(<?xml version="1.0"?>
<ocf:container xmlns:ocf="urn:oasis:names:tc:opendocument:xmlns:container">
<ocf:rootfiles>
<ocf:rootfile full-path="OEBPS/content.opf"/>
</ocf:rootfiles>
</ocf:container>)xml");
writeFile(
fixtureDirectory / "OEBPS/content.opf",
R"xml(<?xml version="1.0"?>
<opf:package xmlns:opf="http://www.idpf.org/2007/opf"
xmlns:dc="http://purl.org/dc/elements/1.1/" version="3.0">
<opf:metadata>
<dc:title>Image fixture</dc:title>
<opf:meta name="cover" content="cover-document"/>
</opf:metadata>
<opf:manifest>
<opf:item id="nav" href="toc.ncx" media-type="application/x-dtbncx+xml"/>
<opf:item id="cover-document" href="Text/cover.xhtml" media-type="application/xhtml+xml"/>
<opf:item id="chapter" href="Text/chapter.xhtml" media-type="application/xhtml+xml"/>
<opf:item id="jpeg" href="Images/cover.jpg" media-type="image/jpeg"/>
<opf:item id="png" href="Images/illustration.png" media-type="image/png"/>
<opf:item id="webp" href="Images/illustration.webp" media-type="image/webp"/>
<opf:item id="gif" href="Images/illustration.gif" media-type="image/gif"/>
<opf:item id="svg" href="Images/illustration.svg" media-type="image/svg+xml"/>
</opf:manifest>
<opf:spine>
<opf:itemref idref="cover-document"/>
<opf:itemref idref="chapter"/>
</opf:spine>
</opf:package>)xml");
writeFile(
fixtureDirectory / "OEBPS/toc.ncx",
R"xml(<?xml version="1.0"?>
<ncx:ncx xmlns:ncx="http://www.daisy.org/z3986/2005/ncx/">
<ncx:navMap>
<ncx:navPoint>
<ncx:navLabel><ncx:text>Chapter</ncx:text></ncx:navLabel>
<ncx:content src="Text/chapter.xhtml"/>
</ncx:navPoint>
</ncx:navMap>
</ncx:ncx>)xml");
writeFile(
fixtureDirectory / "OEBPS/Text/chapter.xhtml",
R"xml(<html><body>
<svg><title>Chapter art</title><image width="1200" height="1600" href="../Images/illustration.png"/></svg>
<svg xmlns:xlink="http://www.w3.org/1999/xlink"><image xlink:href="../Images/illustration.webp"/><path d="M0 0h10v10z"/></svg>
</body></html>)xml");
writeFile(
fixtureDirectory / "OEBPS/Text/cover.xhtml",
R"xml(<html><body><svg xmlns:xlink="http://www.w3.org/1999/xlink"><image xlink:href="../Images/cover.jpg"/></svg></body></html>)xml");
const EpubMetadata metadata = parseEpub(fixtureDirectory.string());
const std::filesystem::path imageDirectory = fixtureDirectory / "OEBPS/Images";
assert(metadata.name == "Image fixture");
assert(metadata.imagePaths.size() == 5);
assert(containsPath(metadata.imagePaths, imageDirectory / "cover.jpg"));
assert(containsPath(metadata.imagePaths,
imageDirectory / "illustration.png"));
assert(containsPath(metadata.imagePaths,
imageDirectory / "illustration.webp"));
assert(containsPath(metadata.imagePaths,
imageDirectory / "illustration.gif"));
assert(containsPath(metadata.imagePaths,
imageDirectory / "illustration.svg"));
assert(metadata.cover == (imageDirectory / "cover.jpg").string());
assert(metadata.chapters.size() == 2);
assert(metadata.chapters.front().path ==
(fixtureDirectory / "OEBPS/Text/cover.xhtml").string());
assert(metadata.chapters[1].name == "Chapter");
const std::string coverChapter =
readFile(fixtureDirectory / "OEBPS/Text/cover.xhtml");
assert(coverChapter.find("<svg") == std::string::npos);
assert(coverChapter.find("<img src=\"../Images/cover.jpg\"") !=
std::string::npos);
const std::string regularChapter =
readFile(fixtureDirectory / "OEBPS/Text/chapter.xhtml");
assert(regularChapter.find(
"<img width=\"1200\" height=\"1600\" "
"src=\"../Images/illustration.png\" alt=\"Chapter art\"") !=
std::string::npos);
assert(regularChapter.find(
"<image xlink:href=\"../Images/illustration.webp\"") !=
std::string::npos);
assert(regularChapter.find("<path d=\"M0 0h10v10z\"") !=
std::string::npos);
return 0;
}