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383 lines
17 KiB
C++
383 lines
17 KiB
C++
#include "gtest/gtest.h"
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#include "Lxfml.h"
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#include "TinyXmlUtils.h"
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#include "dCommonDependencies.h"
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#include <fstream>
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#include <sstream>
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#include <unordered_set>
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#include <filesystem>
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using namespace TinyXmlUtils;
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static std::string ReadFile(const std::string& path) {
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std::ifstream in(path, std::ios::in | std::ios::binary);
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std::ostringstream ss;
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ss << in.rdbuf();
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return ss.str();
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}
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TEST(LxfmlTests, SplitUsesAllBricksAndNoDuplicates) {
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// Read the sample test.lxfml included in tests. Resolve path relative to this source file.
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std::filesystem::path srcDir = std::filesystem::path(__FILE__).parent_path();
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std::filesystem::path filePath = srcDir / "LxfmlTestFiles" / "test.lxfml";
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std::ifstream in(filePath, std::ios::in | std::ios::binary);
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std::ostringstream ss;
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ss << in.rdbuf();
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std::string data = ss.str();
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ASSERT_FALSE(data.empty()) << "Failed to read " << filePath.string();
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auto results = Lxfml::Split(data);
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ASSERT_GT(results.size(), 0);
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// Write split outputs to disk for manual inspection
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std::filesystem::path outDir = srcDir / "LxfmlTestFiles" / "lxfml_splits";
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std::error_code ec;
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std::filesystem::create_directories(outDir, ec);
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for (size_t i = 0; i < results.size(); ++i) {
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auto outPath = outDir / ("split_" + std::to_string(i) + ".lxfml");
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std::ofstream ofs(outPath, std::ios::out | std::ios::binary);
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ASSERT_TRUE(ofs) << "Failed to open output file: " << outPath.string();
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ofs << results[i].lxfml;
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ofs.close();
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}
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// parse original to count bricks
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tinyxml2::XMLDocument doc;
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ASSERT_EQ(doc.Parse(data.c_str()), tinyxml2::XML_SUCCESS);
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DocumentReader reader(doc);
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auto lxfml = reader["LXFML"];
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ASSERT_TRUE(lxfml);
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// Collect original RigidSystems and Groups (serialize each element string)
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auto serializeElement = [](tinyxml2::XMLElement* elem) {
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tinyxml2::XMLPrinter p;
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elem->Accept(&p);
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return std::string(p.CStr());
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};
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std::unordered_set<std::string> originalRigidSet;
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if (auto* rsParent = doc.FirstChildElement("LXFML")->FirstChildElement("RigidSystems")) {
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for (auto* rs = rsParent->FirstChildElement("RigidSystem"); rs; rs = rs->NextSiblingElement("RigidSystem")) {
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originalRigidSet.insert(serializeElement(rs));
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}
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}
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std::unordered_set<std::string> originalGroupSet;
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if (auto* gsParent = doc.FirstChildElement("LXFML")->FirstChildElement("GroupSystems")) {
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for (auto* gs = gsParent->FirstChildElement("GroupSystem"); gs; gs = gs->NextSiblingElement("GroupSystem")) {
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for (auto* g = gs->FirstChildElement("Group"); g; g = g->NextSiblingElement("Group")) {
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// collect this group and nested groups
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std::function<void(tinyxml2::XMLElement*)> collectGroups = [&](tinyxml2::XMLElement* grp) {
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originalGroupSet.insert(serializeElement(grp));
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for (auto* child = grp->FirstChildElement("Group"); child; child = child->NextSiblingElement("Group")) collectGroups(child);
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};
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collectGroups(g);
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}
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}
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}
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std::unordered_set<std::string> originalBricks;
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for (const auto& brick : lxfml["Bricks"]) {
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const auto* ref = brick.Attribute("refID");
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if (ref) originalBricks.insert(ref);
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}
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ASSERT_GT(originalBricks.size(), 0);
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// Collect bricks across all results and ensure no duplicates and all used
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std::unordered_set<std::string> usedBricks;
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// Track used rigid systems and groups (serialized strings)
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std::unordered_set<std::string> usedRigidSet;
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std::unordered_set<std::string> usedGroupSet;
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for (const auto& res : results) {
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tinyxml2::XMLDocument outDoc;
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ASSERT_EQ(outDoc.Parse(res.lxfml.c_str()), tinyxml2::XML_SUCCESS);
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DocumentReader outReader(outDoc);
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auto outLxfml = outReader["LXFML"];
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ASSERT_TRUE(outLxfml);
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// collect rigid systems in this output
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if (auto* rsParent = outDoc.FirstChildElement("LXFML")->FirstChildElement("RigidSystems")) {
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for (auto* rs = rsParent->FirstChildElement("RigidSystem"); rs; rs = rs->NextSiblingElement("RigidSystem")) {
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auto s = serializeElement(rs);
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// no duplicate allowed across outputs
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ASSERT_EQ(usedRigidSet.find(s), usedRigidSet.end()) << "Duplicate RigidSystem across splits";
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usedRigidSet.insert(s);
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}
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}
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// collect groups in this output
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if (auto* gsParent = outDoc.FirstChildElement("LXFML")->FirstChildElement("GroupSystems")) {
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for (auto* gs = gsParent->FirstChildElement("GroupSystem"); gs; gs = gs->NextSiblingElement("GroupSystem")) {
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for (auto* g = gs->FirstChildElement("Group"); g; g = g->NextSiblingElement("Group")) {
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std::function<void(tinyxml2::XMLElement*)> collectGroupsOut = [&](tinyxml2::XMLElement* grp) {
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auto s = serializeElement(grp);
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ASSERT_EQ(usedGroupSet.find(s), usedGroupSet.end()) << "Duplicate Group across splits";
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usedGroupSet.insert(s);
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for (auto* child = grp->FirstChildElement("Group"); child; child = child->NextSiblingElement("Group")) collectGroupsOut(child);
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};
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collectGroupsOut(g);
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}
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}
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}
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for (const auto& brick : outLxfml["Bricks"]) {
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const auto* ref = brick.Attribute("refID");
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if (ref) {
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// no duplicate allowed
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ASSERT_EQ(usedBricks.find(ref), usedBricks.end()) << "Duplicate brick ref across splits: " << ref;
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usedBricks.insert(ref);
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}
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}
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}
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// Every original brick must be used in one of the outputs
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for (const auto& bref : originalBricks) {
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ASSERT_NE(usedBricks.find(bref), usedBricks.end()) << "Brick not used in splits: " << bref;
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}
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// And usedBricks should not contain anything outside original
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for (const auto& ub : usedBricks) {
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ASSERT_NE(originalBricks.find(ub), originalBricks.end()) << "Split produced unknown brick: " << ub;
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}
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// Ensure all original rigid systems and groups were used exactly once
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ASSERT_EQ(originalRigidSet.size(), usedRigidSet.size()) << "RigidSystem count mismatch";
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for (const auto& s : originalRigidSet) ASSERT_NE(usedRigidSet.find(s), usedRigidSet.end()) << "RigidSystem missing in splits";
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ASSERT_EQ(originalGroupSet.size(), usedGroupSet.size()) << "Group count mismatch";
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for (const auto& s : originalGroupSet) ASSERT_NE(usedGroupSet.find(s), usedGroupSet.end()) << "Group missing in splits";
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}
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// Tests for invalid input handling - now working with the improved Split function
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TEST(LxfmlTests, InvalidLxfmlHandling) {
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// Test LXFML with invalid transformation matrices
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std::string invalidTransformData = R"(<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
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<LXFML versionMajor="5" versionMinor="0">
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<Meta>
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<Application name="LEGO Universe" versionMajor="0" versionMinor="0"/>
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<Brand name="LEGOUniverse"/>
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<BrickSet version="457"/>
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</Meta>
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<Bricks>
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<Brick refID="0" designID="74340">
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<Part refID="0" designID="3679" materials="23">
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<Bone refID="0" transformation="invalid,matrix,with,text,values,here,not,numbers,at,all,fails,parse"/>
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</Part>
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</Brick>
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<Brick refID="1" designID="41533">
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<Part refID="1" designID="41533" materials="23">
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<Bone refID="1" transformation="1,2,3"/>
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</Part>
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</Brick>
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</Bricks>
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</LXFML>)";
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// The Split function should handle invalid transformation matrices gracefully
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std::vector<Lxfml::Result> results;
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EXPECT_NO_FATAL_FAILURE({
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results = Lxfml::Split(invalidTransformData);
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}) << "Split should not crash on invalid transformation matrices";
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// Function should handle invalid transforms gracefully, possibly returning empty or partial results
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// The exact behavior depends on how the function handles invalid numeric parsing
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}
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TEST(LxfmlTests, EmptyLxfmlHandling) {
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// Test with completely empty input
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std::string emptyData = "";
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std::vector<Lxfml::Result> results;
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EXPECT_NO_FATAL_FAILURE({
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results = Lxfml::Split(emptyData);
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}) << "Split should not crash on empty input";
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EXPECT_EQ(results.size(), 0) << "Empty input should return empty results";
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}
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TEST(LxfmlTests, InvalidTransformHandling) {
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// Test with various types of invalid transformation matrices
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std::vector<std::string> invalidTransformTests = {
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// LXFML with empty transformation
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R"(<?xml version="1.0"?><LXFML versionMajor="5" versionMinor="0"><Meta></Meta><Bricks><Brick refID="0" designID="74340"><Part refID="0" designID="3679"><Bone refID="0" transformation=""/></Part></Brick></Bricks></LXFML>)",
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// LXFML with too few transformation values (needs 12, has 6)
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R"(<?xml version="1.0"?><LXFML versionMajor="5" versionMinor="0"><Meta></Meta><Bricks><Brick refID="0" designID="74340"><Part refID="0" designID="3679"><Bone refID="0" transformation="1,0,0,0,1,0"/></Part></Brick></Bricks></LXFML>)",
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// LXFML with non-numeric transformation values
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R"(<?xml version="1.0"?><LXFML versionMajor="5" versionMinor="0"><Meta></Meta><Bricks><Brick refID="0" designID="74340"><Part refID="0" designID="3679"><Bone refID="0" transformation="a,b,c,d,e,f,g,h,i,j,k,l"/></Part></Brick></Bricks></LXFML>)",
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// LXFML with mixed valid/invalid transformation values
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R"(<?xml version="1.0"?><LXFML versionMajor="5" versionMinor="0"><Meta></Meta><Bricks><Brick refID="0" designID="74340"><Part refID="0" designID="3679"><Bone refID="0" transformation="1,0,invalid,0,1,0,0,0,1,10,20,30"/></Part></Brick></Bricks></LXFML>)",
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// LXFML with no Bricks section (should return empty gracefully)
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R"(<?xml version="1.0"?><LXFML versionMajor="5" versionMinor="0"><Meta></Meta></LXFML>)"
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};
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for (size_t i = 0; i < invalidTransformTests.size(); ++i) {
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std::vector<Lxfml::Result> results;
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EXPECT_NO_FATAL_FAILURE({
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results = Lxfml::Split(invalidTransformTests[i]);
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}) << "Split should not crash on invalid transform test case " << i;
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// The function should handle invalid transforms gracefully
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// May return empty results or skip invalid bricks
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}
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}
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TEST(LxfmlTests, MixedValidInvalidTransformsHandling) {
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// Test LXFML with mix of valid and invalid transformation data
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std::string mixedValidData = R"(<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
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<LXFML versionMajor="5" versionMinor="0">
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<Meta>
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<Application name="LEGO Universe" versionMajor="0" versionMinor="0"/>
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<Brand name="LEGOUniverse"/>
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<BrickSet version="457"/>
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</Meta>
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<Bricks>
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<Brick refID="0" designID="74340">
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<Part refID="0" designID="3679" materials="23">
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<Bone refID="0" transformation="1,0,0,0,1,0,0,0,1,0,0,0"/>
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</Part>
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</Brick>
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<Brick refID="1" designID="41533">
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<Part refID="1" designID="41533" materials="23">
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<Bone refID="1" transformation="invalid,transform,here,bad,values,foo,bar,baz,qux,0,0,0"/>
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</Part>
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</Brick>
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<Brick refID="2" designID="74340">
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<Part refID="2" designID="3679" materials="23">
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<Bone refID="2" transformation="1,0,0,0,1,0,0,0,1,10,20,30"/>
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</Part>
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</Brick>
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<Brick refID="3" designID="41533">
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<Part refID="3" designID="41533" materials="23">
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<Bone refID="3" transformation="1,2,3"/>
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</Part>
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</Brick>
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</Bricks>
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<RigidSystems>
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<RigidSystem>
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<Rigid boneRefs="0,2"/>
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</RigidSystem>
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<RigidSystem>
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<Rigid boneRefs="1,3"/>
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</RigidSystem>
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</RigidSystems>
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<GroupSystems>
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<GroupSystem>
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<Group partRefs="0,2"/>
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<Group partRefs="1,3"/>
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</GroupSystem>
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</GroupSystems>
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</LXFML>)";
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// The Split function should handle mixed valid/invalid transforms gracefully
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std::vector<Lxfml::Result> results;
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EXPECT_NO_FATAL_FAILURE({
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results = Lxfml::Split(mixedValidData);
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}) << "Split should not crash on mixed valid/invalid transforms";
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// Should process valid bricks and handle invalid ones gracefully
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if (results.size() > 0) {
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EXPECT_NO_FATAL_FAILURE({
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for (size_t i = 0; i < results.size(); ++i) {
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// Each result should have valid LXFML structure
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tinyxml2::XMLDocument doc;
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auto parseResult = doc.Parse(results[i].lxfml.c_str());
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EXPECT_EQ(parseResult, tinyxml2::XML_SUCCESS)
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<< "Result " << i << " should produce valid XML";
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if (parseResult == tinyxml2::XML_SUCCESS) {
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auto* lxfml = doc.FirstChildElement("LXFML");
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EXPECT_NE(lxfml, nullptr) << "Result " << i << " should have LXFML root element";
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}
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}
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}) << "Mixed valid/invalid transform processing should not cause fatal errors";
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}
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}
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TEST(LxfmlTests, DeepCloneDepthProtection) {
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// Test that deep cloning has protection against excessive nesting
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// Create a deeply nested XML structure that would exceed reasonable limits
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std::string deeplyNestedLxfml = R"(<?xml version="1.0" encoding="UTF-8"?>
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<LXFML versionMajor="5" versionMinor="0">
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<Meta>
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<Application name="LEGO Universe" versionMajor="0" versionMinor="0"/>
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<Brand name="LEGOUniverse"/>
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<BrickSet version="457"/>
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</Meta>
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<Bricks>
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<Brick refID="0" designID="3001">
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<Part refID="0" designID="3001" materials="23">
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<Bone refID="0" transformation="1,0,0,0,1,0,0,0,1,0,0,0"/>
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</Part>
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</Brick>
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</Bricks>
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<RigidSystems>
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</RigidSystems>
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<GroupSystems>
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<GroupSystem>
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0">
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<Group partRefs="0"/>
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</Group>
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</Group>
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</Group>
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</Group>
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</Group>
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</Group>
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</Group>
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</Group>
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</Group>
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</Group>
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</Group>
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</Group>
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</Group>
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</Group>
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</GroupSystem>
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</GroupSystems>
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</LXFML>)";
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// The Split function should handle deeply nested structures without hanging
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std::vector<Lxfml::Result> results;
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EXPECT_NO_FATAL_FAILURE({
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results = Lxfml::Split(deeplyNestedLxfml);
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}) << "Split should not hang or crash on deeply nested XML structures";
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// Should still produce valid output despite depth limitations
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EXPECT_GT(results.size(), 0) << "Should produce at least one result even with deep nesting";
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if (results.size() > 0) {
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// Verify the result is still valid XML
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tinyxml2::XMLDocument doc;
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auto parseResult = doc.Parse(results[0].lxfml.c_str());
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EXPECT_EQ(parseResult, tinyxml2::XML_SUCCESS) << "Result should still be valid XML";
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if (parseResult == tinyxml2::XML_SUCCESS) {
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auto* lxfml = doc.FirstChildElement("LXFML");
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EXPECT_NE(lxfml, nullptr) << "Result should have LXFML root element";
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// Verify that bricks are still included despite group nesting issues
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auto* bricks = lxfml->FirstChildElement("Bricks");
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EXPECT_NE(bricks, nullptr) << "Bricks element should be present";
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if (bricks) {
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auto* brick = bricks->FirstChildElement("Brick");
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EXPECT_NE(brick, nullptr) << "At least one brick should be present";
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}
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}
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}
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}
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