Some test madness

22 files changed, 457 insertions, 201 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 33f74a8a..17674513 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,11 +43,18 @@ ENDIF()
 ######## 3rd Party Libs ########
 
 # Find the required Qt parts
+find_package(Qt5Core REQUIRED)
 find_package(Qt5Widgets REQUIRED)
 find_package(Qt5Network REQUIRED)
+find_package(Qt5Test REQUIRED)
 find_package(Qt5LinguistTools REQUIRED)
 
-include_directories(${Qt5Widgets_INCLUDE_DIRS})
+include_directories(
+	${Qt5Core_INCLUDE_DIRS}
+	${Qt5Widgets_INCLUDE_DIRS}
+	${Qt5Network_INCLUDE_DIRS}
+	${Qt5Test_INCLUDE_DIRS}
+  )
 
 # The Qt5 cmake files don't provide its install paths, so ask qmake.
 get_target_property(QMAKE_EXECUTABLE Qt5::qmake LOCATION)
diff --git a/MultiMC.cpp b/MultiMC.cpp
index 65c24087..71a8fe59 100644
--- a/MultiMC.cpp
+++ b/MultiMC.cpp
@@ -286,7 +286,7 @@ void MultiMC::initLogger()
 	QsLogging::Logger &logger = QsLogging::Logger::instance();
 	logger.setLoggingLevel(QsLogging::TraceLevel);
 	m_fileDestination = QsLogging::DestinationFactory::MakeFileDestination("MultiMC.log");
-	m_debugDestination = QsLogging::DestinationFactory::MakeDebugOutputDestination();
+	m_debugDestination = QsLogging::DestinationFactory::MakeQDebugDestination();
 	logger.addDestination(m_fileDestination.get());
 	logger.addDestination(m_debugDestination.get());
 	// log all the things
diff --git a/depends/util/src/pathutils.cpp b/depends/util/src/pathutils.cpp
index 485d03e8..20888754 100644
--- a/depends/util/src/pathutils.cpp
+++ b/depends/util/src/pathutils.cpp
@@ -23,10 +23,7 @@
 
 QString PathCombine(QString path1, QString path2)
 {
-	if (!path1.endsWith('/'))
-		return path1.append('/').append(path2);
-	else
-		return path1.append(path2);
+    return QDir::cleanPath(path1 + QDir::separator() + path2);
 }
 
 QString PathCombine(QString path1, QString path2, QString path3)
diff --git a/logger/QsLogDest.cpp b/logger/QsLogDest.cpp
index 2fd29b23..4a47060e 100644
--- a/logger/QsLogDest.cpp
+++ b/logger/QsLogDest.cpp
@@ -77,6 +77,15 @@ void DebugOutputDestination::write(const QString &message)
 	QsDebugOutput::output(message);
 }
 
+class QDebugDestination : public Destination
+{
+public:
+	virtual void write(const QString &message)
+	{
+		qDebug() << message;
+	};
+};
+
 DestinationPtr DestinationFactory::MakeFileDestination(const QString &filePath)
 {
 	return DestinationPtr(new FileDestination(filePath));
@@ -87,4 +96,9 @@ DestinationPtr DestinationFactory::MakeDebugOutputDestination()
 	return DestinationPtr(new DebugOutputDestination);
 }
 
+DestinationPtr DestinationFactory::MakeQDebugDestination()
+{
+	return DestinationPtr(new QDebugDestination);
+}
+
 } // end namespace
diff --git a/logger/QsLogDest.h b/logger/QsLogDest.h
index e7fcc045..a8000022 100644
--- a/logger/QsLogDest.h
+++ b/logger/QsLogDest.h
@@ -47,6 +47,7 @@ class DestinationFactory
 public:
 	static DestinationPtr MakeFileDestination(const QString &filePath);
 	static DestinationPtr MakeDebugOutputDestination();
+	static DestinationPtr MakeQDebugDestination();
 };
 
 } // end namespace
diff --git a/logic/net/ForgeXzDownload.cpp b/logic/net/ForgeXzDownload.cpp
index 1771d304..83cbabd0 100644
--- a/logic/net/ForgeXzDownload.cpp
+++ b/logic/net/ForgeXzDownload.cpp
@@ -20,6 +20,7 @@
 #include <QCryptographicHash>
 #include <QFileInfo>
 #include <QDateTime>
+#include <QDir>
 #include "logger/QsLog.h"
 
 ForgeXzDownload::ForgeXzDownload(QString relative_path, MetaEntryPtr entry) : NetAction()
@@ -312,9 +313,11 @@ void ForgeXzDownload::decompressAndInstall()
 	// revert pack200
 	pack200_file.close();
 	QString pack_name = pack200_file.fileName();
+	QString source_native = QDir::toNativeSeparators(pack_name);
+	QString target_native = QDir::toNativeSeparators(m_target_path);
 	try
 	{
-		unpack_200(pack_name.toStdString(), m_target_path.toStdString());
+		unpack_200(source_native.toStdString(), target_native.toStdString());
 	}
 	catch (std::runtime_error &err)
 	{
diff --git a/logic/updater/DownloadUpdateTask.cpp b/logic/updater/DownloadUpdateTask.cpp
index d72cfcf6..cc06104a 100644
--- a/logic/updater/DownloadUpdateTask.cpp
+++ b/logic/updater/DownloadUpdateTask.cpp
@@ -26,9 +26,8 @@
 
 #include <QDomDocument>
 
-
-DownloadUpdateTask::DownloadUpdateTask(QString repoUrl, int versionId, QObject* parent) :
-	Task(parent)
+DownloadUpdateTask::DownloadUpdateTask(QString repoUrl, int versionId, QObject *parent)
+	: Task(parent)
 {
 	m_cVersionId = MMC->version().build;
 
@@ -87,7 +86,8 @@ void DownloadUpdateTask::findCurrentVersionInfo()
 		// Load the channel list and wait for it to finish loading.
 		QLOG_INFO() << "No channel list entries found. Will try reloading it.";
 
-		QObject::connect(checker.get(), &UpdateChecker::channelListLoaded, this, &DownloadUpdateTask::processChannels);
+		QObject::connect(checker.get(), &UpdateChecker::channelListLoaded, this,
+						 &DownloadUpdateTask::processChannels);
 		checker->updateChanList();
 	}
 	else
@@ -101,11 +101,12 @@ void DownloadUpdateTask::loadVersionInfo()
 	setStatus(tr("Loading version information."));
 
 	// Create the net job for loading version info.
-	NetJob* netJob = new NetJob("Version Info");
-	
+	NetJob *netJob = new NetJob("Version Info");
+
 	// Find the index URL.
 	QUrl newIndexUrl = QUrl(m_nRepoUrl).resolved(QString::number(m_nVersionId) + ".json");
-	
+	QLOG_DEBUG() << m_nRepoUrl << " turns into " << newIndexUrl;
+
 	// Add a net action to download the version info for the version we're updating to.
 	netJob->addNetAction(ByteArrayDownload::make(newIndexUrl));
 
@@ -114,10 +115,12 @@ void DownloadUpdateTask::loadVersionInfo()
 	{
 		QUrl cIndexUrl = QUrl(m_cRepoUrl).resolved(QString::number(m_cVersionId) + ".json");
 		netJob->addNetAction(ByteArrayDownload::make(cIndexUrl));
+		QLOG_DEBUG() << m_cRepoUrl << " turns into " << cIndexUrl;
 	}
 
 	// Connect slots so we know when it's done.
-	QObject::connect(netJob, &NetJob::succeeded, this, &DownloadUpdateTask::vinfoDownloadFinished);
+	QObject::connect(netJob, &NetJob::succeeded, this,
+					 &DownloadUpdateTask::vinfoDownloadFinished);
 	QObject::connect(netJob, &NetJob::failed, this, &DownloadUpdateTask::vinfoDownloadFailed);
 
 	// Store the NetJob in a class member. We don't want to lose it!
@@ -135,7 +138,8 @@ void DownloadUpdateTask::vinfoDownloadFinished()
 
 void DownloadUpdateTask::vinfoDownloadFailed()
 {
-	// Something failed. We really need the second download (current version info), so parse downloads anyways as long as the first one succeeded.
+	// Something failed. We really need the second download (current version info), so parse
+	// downloads anyways as long as the first one succeeded.
 	if (m_vinfoNetJob->first()->m_status != Job_Failed)
 	{
 		parseDownloadedVersionInfo();
@@ -154,43 +158,51 @@ void DownloadUpdateTask::parseDownloadedVersionInfo()
 	setStatus(tr("Reading file list for new version."));
 	QLOG_DEBUG() << "Reading file list for new version.";
 	QString error;
-	if (!parseVersionInfo(std::dynamic_pointer_cast<ByteArrayDownload>(
-							  m_vinfoNetJob->first())->m_data, &m_nVersionFileList, &error))
+	if (!parseVersionInfo(
+			 std::dynamic_pointer_cast<ByteArrayDownload>(m_vinfoNetJob->first())->m_data,
+			 &m_nVersionFileList, &error))
 	{
 		emitFailed(error);
 		return;
 	}
 
-	// If there is a second entry in the network job's list, load it as the current version's info.
+	// If there is a second entry in the network job's list, load it as the current version's
+	// info.
 	if (m_vinfoNetJob->size() >= 2 && m_vinfoNetJob->operator[](1)->m_status != Job_Failed)
 	{
 		setStatus(tr("Reading file list for current version."));
 		QLOG_DEBUG() << "Reading file list for current version.";
 		QString error;
-		parseVersionInfo(std::dynamic_pointer_cast<ByteArrayDownload>(
-							 m_vinfoNetJob->operator[](1))->m_data, &m_cVersionFileList, &error);
+		parseVersionInfo(
+			std::dynamic_pointer_cast<ByteArrayDownload>(m_vinfoNetJob->operator[](1))->m_data,
+			&m_cVersionFileList, &error);
 	}
 
 	// We don't need this any more.
 	m_vinfoNetJob.reset();
 
-	// Now that we're done loading version info, we can move on to the next step. Process file lists and download files.
+	// Now that we're done loading version info, we can move on to the next step. Process file
+	// lists and download files.
 	processFileLists();
 }
 
-bool DownloadUpdateTask::parseVersionInfo(const QByteArray &data, VersionFileList* list, QString *error)
+bool DownloadUpdateTask::parseVersionInfo(const QByteArray &data, VersionFileList *list,
+										  QString *error)
 {
 	QJsonParseError jsonError;
 	QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &jsonError);
 	if (jsonError.error != QJsonParseError::NoError)
 	{
-		*error = QString("Failed to parse version info JSON: %1 at %2").arg(jsonError.errorString()).arg(jsonError.offset);
+		*error = QString("Failed to parse version info JSON: %1 at %2")
+					 .arg(jsonError.errorString())
+					 .arg(jsonError.offset);
 		QLOG_ERROR() << error;
 		return false;
 	}
 
 	QJsonObject json = jsonDoc.object();
 
+	QLOG_DEBUG() << data;
 	QLOG_DEBUG() << "Loading version info from JSON.";
 	QJsonArray filesArray = json.value("Files").toArray();
 	for (QJsonValue fileValue : filesArray)
@@ -198,13 +210,10 @@ bool DownloadUpdateTask::parseVersionInfo(const QByteArray &data, VersionFileLis
 		QJsonObject fileObj = fileValue.toObject();
 
 		VersionFileEntry file{
-			fileObj.value("Path").toString(),
-			fileObj.value("Perms").toVariant().toInt(),
-			FileSourceList(),
-			fileObj.value("MD5").toString(),
-		};
+			fileObj.value("Path").toString(), fileObj.value("Perms").toVariant().toInt(),
+			FileSourceList(),				 fileObj.value("MD5").toString(), };
 		QLOG_DEBUG() << "File" << file.path << "with perms" << file.mode;
-		
+
 		QJsonArray sourceArray = fileObj.value("Sources").toArray();
 		for (QJsonValue val : sourceArray)
 		{
@@ -213,11 +222,14 @@ bool DownloadUpdateTask::parseVersionInfo(const QByteArray &data, VersionFileLis
 			QString type = sourceObj.value("SourceType").toString();
 			if (type == "http")
 			{
-				file.sources.append(FileSource("http", preparePath(sourceObj.value("Url").toString())));
+				file.sources.append(
+					FileSource("http", preparePath(sourceObj.value("Url").toString())));
 			}
 			else if (type == "httpc")
 			{
-				file.sources.append(FileSource("httpc", preparePath(sourceObj.value("Url").toString()), sourceObj.value("CompressionType").toString()));
+				file.sources.append(FileSource("httpc",
+											   preparePath(sourceObj.value("Url").toString()),
+											   sourceObj.value("CompressionType").toString()));
 			}
 			else
 			{
@@ -236,13 +248,19 @@ bool DownloadUpdateTask::parseVersionInfo(const QByteArray &data, VersionFileLis
 void DownloadUpdateTask::processFileLists()
 {
 	// Create a network job for downloading files.
-	NetJob* netJob = new NetJob("Update Files");
+	NetJob *netJob = new NetJob("Update Files");
 
-	processFileLists(netJob, m_cVersionFileList, m_nVersionFileList, m_operationList);
+	if (!processFileLists(netJob, m_cVersionFileList, m_nVersionFileList, m_operationList))
+	{
+		emitFailed(tr("Failed to process update lists..."));
+		return;
+	}
 
 	// Add listeners to wait for the downloads to finish.
-	QObject::connect(netJob, &NetJob::succeeded, this, &DownloadUpdateTask::fileDownloadFinished);
-	QObject::connect(netJob, &NetJob::progress, this, &DownloadUpdateTask::fileDownloadProgressChanged);
+	QObject::connect(netJob, &NetJob::succeeded, this,
+					 &DownloadUpdateTask::fileDownloadFinished);
+	QObject::connect(netJob, &NetJob::progress, this,
+					 &DownloadUpdateTask::fileDownloadProgressChanged);
 	QObject::connect(netJob, &NetJob::failed, this, &DownloadUpdateTask::fileDownloadFailed);
 
 	// Now start the download.
@@ -254,75 +272,144 @@ void DownloadUpdateTask::processFileLists()
 	writeInstallScript(m_operationList, PathCombine(m_updateFilesDir.path(), "file_list.xml"));
 }
 
-void DownloadUpdateTask::processFileLists(NetJob *job, const VersionFileList &currentVersion, const VersionFileList &newVersion, DownloadUpdateTask::UpdateOperationList &ops)
+bool
+DownloadUpdateTask::processFileLists(NetJob *job,
+									 const DownloadUpdateTask::VersionFileList &currentVersion,
+									 const DownloadUpdateTask::VersionFileList &newVersion,
+									 DownloadUpdateTask::UpdateOperationList &ops)
 {
 	setStatus(tr("Processing file lists. Figuring out how to install the update."));
 
-	// First, if we've loaded the current version's file list, we need to iterate through it and 
+	// First, if we've loaded the current version's file list, we need to iterate through it and
 	// delete anything in the current one version's list that isn't in the new version's list.
 	for (VersionFileEntry entry : currentVersion)
 	{
+		QFileInfo toDelete(entry.path);
+		if (!toDelete.exists())
+		{
+			QLOG_ERROR() << "Expected file " << toDelete.absoluteFilePath()
+						 << " doesn't exist!";
+			QLOG_ERROR() << "CWD: " << QDir::currentPath();
+		}
 		bool keep = false;
+
+		//
 		for (VersionFileEntry newEntry : newVersion)
 		{
 			if (newEntry.path == entry.path)
 			{
-				QLOG_DEBUG() << "Not deleting" << entry.path << "because it is still present in the new version.";
+				QLOG_DEBUG() << "Not deleting" << entry.path
+							 << "because it is still present in the new version.";
 				keep = true;
 				break;
 			}
 		}
+
 		// If the loop reaches the end and we didn't find a match, delete the file.
-		if(!keep)
-			ops.append(UpdateOperation::DeleteOp(entry.path));
+		if (!keep)
+		{
+			QFileInfo toDelete(entry.path);
+			if (toDelete.exists())
+				ops.append(UpdateOperation::DeleteOp(entry.path));
+		}
 	}
 
 	// Next, check each file in MultiMC's folder and see if we need to update them.
 	for (VersionFileEntry entry : newVersion)
 	{
-		// TODO: Let's not MD5sum a ton of files on the GUI thread. We should probably find a way to do this in the background.
+		// TODO: Let's not MD5sum a ton of files on the GUI thread. We should probably find a
+		// way to do this in the background.
 		QString fileMD5;
 		QFile entryFile(entry.path);
-		if (entryFile.open(QFile::ReadOnly))
+		QFileInfo entryInfo(entry.path);
+
+		bool needs_upgrade = false;
+		if (!entryFile.exists())
+		{
+			needs_upgrade = true;
+		}
+		else
 		{
-			QCryptographicHash hash(QCryptographicHash::Md5);
-			hash.addData(entryFile.readAll());
-			fileMD5 = hash.result().toHex();
+			bool pass = true;
+			if (!entryInfo.isReadable())
+			{
+				QLOG_ERROR() << "File " << entry.path << " is not readable.";
+				pass = false;
+			}
+			if (!entryInfo.isWritable())
+			{
+				QLOG_ERROR() << "File " << entry.path << " is not writable.";
+				pass = false;
+			}
+			if (!entryFile.open(QFile::ReadOnly))
+			{
+				QLOG_ERROR() << "File " << entry.path << " cannot be opened for reading.";
+				pass = false;
+			}
+			if (!pass)
+			{
+				QLOG_ERROR() << "CWD: " << QDir::currentPath();
+				ops.clear();
+				return false;
+			}
 		}
 
-		if (!entryFile.exists() || fileMD5.isEmpty() || fileMD5 != entry.md5)
+		QCryptographicHash hash(QCryptographicHash::Md5);
+		auto foo = entryFile.readAll();
+
+		hash.addData(foo);
+		fileMD5 = hash.result().toHex();
+		if ((fileMD5 != entry.md5))
+		{
+			QLOG_DEBUG() << "MD5Sum does not match!";
+			QLOG_DEBUG() << "Expected:'" << entry.md5 << "'";
+			QLOG_DEBUG() << "Got:     '" << fileMD5 << "'";
+			needs_upgrade = true;
+		}
+
+		// skip file. it doesn't need an upgrade.
+		if (!needs_upgrade)
 		{
-			QLOG_DEBUG() << "Found file" << entry.path << "that needs updating.";
+			QLOG_DEBUG() << "File" << entry.path << " does not need updating.";
+			continue;
+		}
+
+		// yep. this file actually needs an upgrade. PROCEED.
+		QLOG_DEBUG() << "Found file" << entry.path << " that needs updating.";
 
-			// Go through the sources list and find one to use.
-			// TODO: Make a NetAction that takes a source list and tries each of them until one works. For now, we'll just use the first http one.
-			for (FileSource source : entry.sources)
+		// Go through the sources list and find one to use.
+		// TODO: Make a NetAction that takes a source list and tries each of them until one
+		// works. For now, we'll just use the first http one.
+		for (FileSource source : entry.sources)
+		{
+			if (source.type == "http")
 			{
-				if (source.type == "http")
+				QLOG_DEBUG() << "Will download" << entry.path << "from" << source.url;
+
+				// Download it to updatedir/<filepath>-<md5> where filepath is the file's
+				// path with slashes replaced by underscores.
+				QString dlPath =
+					PathCombine(m_updateFilesDir.path(), QString(entry.path).replace("/", "_"));
+
+				if (job)
 				{
-					QLOG_DEBUG() << "Will download" << entry.path << "from" << source.url;
-
-					// Download it to updatedir/<filepath>-<md5> where filepath is the file's path with slashes replaced by underscores.
-					QString dlPath = PathCombine(m_updateFilesDir.path(), QString(entry.path).replace("/", "_"));
-
-					if (job)
-					{
-						// We need to download the file to the updatefiles folder and add a task to copy it to its install path.
-						auto download = MD5EtagDownload::make(source.url, dlPath);
-						download->m_check_md5 = true;
-						download->m_expected_md5 = entry.md5;
-						job->addNetAction(download);
-					}
-
-					// Now add a copy operation to our operations list to install the file.
-					ops.append(UpdateOperation::CopyOp(dlPath, entry.path, entry.mode));
+					// We need to download the file to the updatefiles folder and add a task
+					// to copy it to its install path.
+					auto download = MD5EtagDownload::make(source.url, dlPath);
+					download->m_check_md5 = true;
+					download->m_expected_md5 = entry.md5;
+					job->addNetAction(download);
 				}
+
+				// Now add a copy operation to our operations list to install the file.
+				ops.append(UpdateOperation::CopyOp(dlPath, entry.path, entry.mode));
 			}
 		}
 	}
+	return true;
 }
 
-bool DownloadUpdateTask::writeInstallScript(UpdateOperationList& opsList, QString scriptFile)
+bool DownloadUpdateTask::writeInstallScript(UpdateOperationList &opsList, QString scriptFile)
 {
 	// Build the base structure of the XML document.
 	QDomDocument doc;
@@ -342,38 +429,43 @@ bool DownloadUpdateTask::writeInstallScript(UpdateOperationList& opsList, QStrin
 	{
 		QDomElement file = doc.createElement("file");
 
+		QString native_file = QDir::toNativeSeparators(op.file);
+		QString native_dest = QDir::toNativeSeparators(op.dest);
+
 		switch (op.type)
 		{
-			case UpdateOperation::OP_COPY:
-				{
-				// Install the file.
-				QDomElement name = doc.createElement("source");
-				QDomElement path = doc.createElement("dest");
-				QDomElement mode = doc.createElement("mode");
-				name.appendChild(doc.createTextNode(op.file));
-				path.appendChild(doc.createTextNode(op.dest));
-				// We need to add a 0 at the beginning here, because Qt doesn't convert to octal correctly.
-				mode.appendChild(doc.createTextNode("0" + QString::number(op.mode, 8)));
-				file.appendChild(name);
-				file.appendChild(path);
-				file.appendChild(mode);
-				installFiles.appendChild(file);
-				QLOG_DEBUG() << "Will install file" << op.file;
-				}
-				break;
+		case UpdateOperation::OP_COPY:
+		{
+			// Install the file.
+			QDomElement name = doc.createElement("source");
+			QDomElement path = doc.createElement("dest");
+			QDomElement mode = doc.createElement("mode");
+			name.appendChild(doc.createTextNode(native_file));
+			path.appendChild(doc.createTextNode(native_dest));
+			// We need to add a 0 at the beginning here, because Qt doesn't convert to octal
+			// correctly.
+			mode.appendChild(doc.createTextNode("0" + QString::number(op.mode, 8)));
+			file.appendChild(name);
+			file.appendChild(path);
+			file.appendChild(mode);
+			installFiles.appendChild(file);
+			QLOG_DEBUG() << "Will install file" << native_file;
+		}
+		break;
 
-			case UpdateOperation::OP_DELETE:
-				{
-				// Delete the file.
-				file.appendChild(doc.createTextNode(op.file));
-				removeFiles.appendChild(file);
-				QLOG_DEBUG() << "Will remove file" << op.file;
-				}
-				break;
+		case UpdateOperation::OP_DELETE:
+		{
+			// Delete the file.
+			file.appendChild(doc.createTextNode(native_file));
+			removeFiles.appendChild(file);
+			QLOG_DEBUG() << "Will remove file" << native_file;
+		}
+		break;
 
-			default:
-				QLOG_WARN() << "Can't write update operation of type" << op.type << "to file. Not implemented.";
-				continue;
+		default:
+			QLOG_WARN() << "Can't write update operation of type" << op.type
+						<< "to file. Not implemented.";
+			continue;
 		}
 	}
 
@@ -395,7 +487,9 @@ bool DownloadUpdateTask::writeInstallScript(UpdateOperationList& opsList, QStrin
 
 QString DownloadUpdateTask::preparePath(const QString &path)
 {
-	return QString(path).replace("$PWD", qApp->applicationDirPath());
+	QString foo = path;
+	foo.replace("$PWD", qApp->applicationDirPath());
+	return QUrl::fromLocalFile(foo).toString(QUrl::FullyEncoded);
 }
 
 void DownloadUpdateTask::fileDownloadFinished()
@@ -412,11 +506,10 @@ void DownloadUpdateTask::fileDownloadFailed()
 
 void DownloadUpdateTask::fileDownloadProgressChanged(qint64 current, qint64 total)
 {
-	setProgress((int)(((float)current / (float)total)*100));
+	setProgress((int)(((float)current / (float)total) * 100));
 }
 
 QString DownloadUpdateTask::updateFilesDir()
 {
 	return m_updateFilesDir.path();
 }
-
diff --git a/logic/updater/DownloadUpdateTask.h b/logic/updater/DownloadUpdateTask.h
index 8530be77..1fc14049 100644
--- a/logic/updater/DownloadUpdateTask.h
+++ b/logic/updater/DownloadUpdateTask.h
@@ -156,7 +156,7 @@ protected:
 	 * Takes a list of file entries for the current version's files and the new version's files
 	 * and populates the downloadList and operationList with information about how to download and install the update.
 	 */
-	virtual void processFileLists(NetJob *job, const VersionFileList &currentVersion, const VersionFileList &newVersion, UpdateOperationList &ops);
+	virtual bool processFileLists(NetJob *job, const VersionFileList &currentVersion, const VersionFileList &newVersion, UpdateOperationList &ops);
 
 	/*!
 	 * Calls \see processFileLists to populate the \see m_operationList and a NetJob, and then executes
@@ -195,7 +195,8 @@ protected:
 	QTemporaryDir m_updateFilesDir;
 
 	/*!
-	 * Substitutes $PWD for the application directory
+	 * Filters paths
+	 * Path of the format $PWD/path, it is converted to a file:///$PWD/ URL
 	 */
 	static QString preparePath(const QString &path);
 
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 14670fbd..2d851404 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -8,6 +8,9 @@ macro(add_unit_test name)
 	unset(srcs)
 	foreach(arg ${testname} ${ARGN})
 		list(APPEND srcs ${CMAKE_CURRENT_SOURCE_DIR}/${arg})
+	if (WIN32)
+		list(APPEND srcs ${CMAKE_CURRENT_SOURCE_DIR}/test.rc)
+	endif()
 	endforeach()
 	add_executable(tst_${name} ${srcs})
 	qt5_use_modules(tst_${name} Test Core Network Widgets)
@@ -81,4 +84,9 @@ if(MultiMC_CODE_COVERAGE)
 	add_custom_target(MultiMC_RUN_TESTS DEPENDS MultiMC_GENERATE_COVERAGE_HTML)
 endif(MultiMC_CODE_COVERAGE)
 
-add_subdirectory(data)
+
+add_custom_target(MultiMC_Test_Data
+ ALL
+ COMMAND ${CMAKE_COMMAND} -E remove_directory ${CMAKE_CURRENT_BINARY_DIR}/data
+ COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/data ${CMAKE_CURRENT_BINARY_DIR}/data
+)
diff --git a/tests/TestUtil.h b/tests/TestUtil.h
index 5de8c4f2..fd25d24f 100644
--- a/tests/TestUtil.h
+++ b/tests/TestUtil.h
@@ -31,6 +31,9 @@ struct TestsInternal
 # define _MMC_EXTRA_ARGV
 # define _MMC_EXTRA_ARGC 0
 #endif
+	
+	
+	
 #define QTEST_GUILESS_MAIN_MULTIMC(TestObject) \
 int main(int argc, char *argv[]) \
 { \
diff --git a/tests/data/.gitattributes b/tests/data/.gitattributes
new file mode 100644
index 00000000..9ac803f0
--- /dev/null
+++ b/tests/data/.gitattributes
@@ -0,0 +1,2 @@
+* -text -diff
+
diff --git a/tests/data/1.json b/tests/data/1.json
index d5261d2c..f9f99b22 100644
--- a/tests/data/1.json
+++ b/tests/data/1.json
@@ -8,7 +8,7 @@
 			"Sources": [
 				{
 					"SourceType": "http",
-					"Url": "file://$PWD/tests/data/fileOneA"
+					"Url": "$PWD/tests/data/fileOneA"
 				}
 			],
 			"Executable": true,
@@ -20,7 +20,7 @@
 			"Sources": [
 				{
 					"SourceType": "http",
-					"Url": "file://$PWD/tests/data/fileTwo"
+					"Url": "$PWD/tests/data/fileTwo"
 				}
 			],
 			"Executable": false,
@@ -32,7 +32,7 @@
 			"Sources": [
 				{
 					"SourceType": "http",
-					"Url": "file://$PWD/tests/data/fileThree"
+					"Url": "$PWD/tests/data/fileThree"
 				}
 			],
 			"Executable": false,
diff --git a/tests/data/2.json b/tests/data/2.json
index a96aff79..bb59b9b6 100644
--- a/tests/data/2.json
+++ b/tests/data/2.json
@@ -8,7 +8,7 @@
 			"Sources": [
 				{
 					"SourceType": "http",
-					"Url": "file://$PWD/tests/data/fileOneB"
+					"Url": "$PWD/tests/data/fileOneB"
 				}
 			],
 			"Executable": true,
@@ -20,7 +20,7 @@
 			"Sources": [
 				{
 					"SourceType": "http",
-					"Url": "file://$PWD/tests/data/fileTwo"
+					"Url": "$PWD/tests/data/fileTwo"
 				}
 			],
 			"Executable": false,
diff --git a/tests/data/CMakeLists.txt b/tests/data/CMakeLists.txt
deleted file mode 100644
index eee5a596..00000000
--- a/tests/data/CMakeLists.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-add_custom_target(MultiMC_Test_Data
- ALL
- COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}
-)
diff --git a/tests/data/channels.json b/tests/data/channels.json
index e4f04bff..6bf65a82 100644
--- a/tests/data/channels.json
+++ b/tests/data/channels.json
@@ -5,7 +5,7 @@
 			"id": "develop",
 			"name": "Develop",
 			"description": "The channel called \"develop\"",
-			"url": "file://$PWD/tests/data/"
+			"url": "$PWD/tests/data/"
 		},
 		{
 			"id": "stable",
diff --git a/tests/data/tst_DownloadUpdateTask-test_writeInstallScript_win32.xml b/tests/data/tst_DownloadUpdateTask-test_writeInstallScript_win32.xml
new file mode 100644
index 00000000..c79ef984
--- /dev/null
+++ b/tests/data/tst_DownloadUpdateTask-test_writeInstallScript_win32.xml
@@ -0,0 +1,17 @@
+<update version="3">
+ <install>
+  <file>
+   <source>sourceOne</source>
+   <dest>destOne</dest>
+   <mode>0777</mode>
+  </file>
+  <file>
+   <source>MultiMC.exe</source>
+   <dest>M\u\l\t\i\M\C\e\x\e</dest>
+   <mode>0644</mode>
+  </file>
+ </install>
+ <uninstall>
+  <file>toDelete.abc</file>
+ </uninstall>
+</update>
diff --git a/tests/test.manifest b/tests/test.manifest
new file mode 100644
index 00000000..8b4dbb98
--- /dev/null
+++ b/tests/test.manifest
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
+  <assemblyIdentity name="MultiMC.Test.0" type="win32" version="5.0.0.0" />
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+    <security>
+      <requestedPrivileges>
+        <requestedExecutionLevel level="asInvoker" uiAccess="false"/>
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+  <dependency>
+    <dependentAssembly>
+      <assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="x86" publicKeyToken="6595b64144ccf1df" language="*"/>
+    </dependentAssembly>
+  </dependency>
+  <description>Custom Minecraft launcher for managing multiple installs.</description>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!--The ID below indicates app support for Windows Vista -->
+      <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"/>
+      <!--The ID below indicates app support for Windows 7 -->
+      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
+      <!--The ID below indicates app support for Windows Developer Preview / Windows 8 -->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
+    </application> 
+  </compatibility>
+</assembly>
\ No newline at end of file
diff --git a/tests/test.rc b/tests/test.rc
new file mode 100644
index 00000000..a288dba6
--- /dev/null
+++ b/tests/test.rc
@@ -0,0 +1,28 @@
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+
+1 RT_MANIFEST "test.manifest"
+
+VS_VERSION_INFO VERSIONINFO
+FILEVERSION     1,0,0,0
+FILEOS          VOS_NT_WINDOWS32
+FILETYPE        VFT_APP
+BEGIN
+        BLOCK "StringFileInfo"
+        BEGIN
+                BLOCK "000004b0"
+                BEGIN
+                        VALUE "CompanyName", "MultiMC Contributors"
+                        VALUE "FileDescription", "Testcase"