fix: do not run tests if the path to the directory doesn't exist

src/core/knutcore.cpp

@@ -44,7 +44,7 @@ KnutCore::KnutCore(InternalTag, QObject *parent)
     spdlog::cfg::load_env_levels();
 }
 
-void KnutCore::process(const QStringList &arguments)
+bool KnutCore::process(const QStringList &arguments)
 {
     // Parse command line options
     QCommandLineParser parser;
@@ -102,6 +102,7 @@ void KnutCore::process(const QStringList &arguments)
         } else {
             spdlog::error("KnutCore::process - Root directory: {}, does not exist. Cannot open a new project!",
                           pathDir.absolutePath());
+            return false;
         }
     }
 
@@ -140,10 +141,11 @@ void KnutCore::process(const QStringList &arguments)
                 qApp->exit(value.toInt());
             },
             Qt::QueuedConnection);
-        return;
+        return true;
     }
 
     doParse(parser);
+    return true;
 }
 
 void KnutCore::initParser(QCommandLineParser &parser) const

src/core/knutcore.h

@@ -26,7 +26,7 @@ class KnutCore : public QObject
 public:
     explicit KnutCore(QObject *parent = nullptr);
 
-    void process(const QStringList &arguments);
+    bool process(const QStringList &arguments);
 
 protected:
     // Used to disambiguate the internal constructor

src/main.cpp

@@ -27,7 +27,8 @@ int main(int argc, char *argv[])
     Q_INIT_RESOURCE(gui);
 
     Gui::KnutMain knut;
-    knut.process(app.arguments());
-
-    return app.exec();
+    if (knut.process(app.arguments()))
+        return app.exec();
+    else
+        return 1;
 }