ProjectLoader: Add engine setter (for tests)

Author: adazem009

ScratchCPPGui/projectloader.cpp

@@ -34,7 +34,7 @@ ProjectLoader::~ProjectLoader()
     if (m_loadThread.isRunning())
         m_loadThread.waitForFinished();
 
-    if (m_engine) {
+    if (m_engine && m_eventLoopEnabled) {
         m_engine->stopEventLoop();
         m_eventLoop.waitForFinished();
     }
@@ -88,6 +88,12 @@ IEngine *ProjectLoader::engine() const
     return m_engine;
 }
 
+// NOTE: This should be only used for testing
+void ProjectLoader::setEngine(libscratchcpp::IEngine *engine)
+{
+    m_engine = engine;
+}
+
 StageModel *ProjectLoader::stage()
 {
     if (m_loadThread.isRunning())

ScratchCPPGui/projectloader.h

@@ -41,6 +41,7 @@ class ProjectLoader : public QObject
         bool loadStatus() const;
 
         libscratchcpp::IEngine *engine() const;
+        void setEngine(libscratchcpp::IEngine *engine);
 
         StageModel *stage();