+ fix unit tests

src/Gui/Application.cpp

@@ -1484,11 +1484,18 @@ static void init_resources()
 
 void Application::initApplication(void)
 {
+    static bool init = false;
+    if (init) {
+        Base::Console().Error("Tried to run Gui::Application::initApplication() twice!\n");
+        return;
+    }
+
     try {
         initTypes();
         new Base::ScriptProducer( "FreeCADGuiInit", FreeCADGuiInit );
         init_resources();
         old_qtmsg_handler = qInstallMsgHandler(messageHandler);
+        init = true;
     }
     catch (...) {
         // force to flush the log

src/Main/MainGui.cpp

@@ -240,7 +240,7 @@ int main( int argc, char ** argv )
         exit(0);
     }
     catch (const Base::Exception& e) {
-        Base::Console().Error("%s\n", e.what());
+        e.ReportException();
     }
     catch (...) {
         Base::Console().Error("Application unexpectedly terminated\n");

src/Mod/PartDesign/InvoluteGearFeature.py

@@ -39,7 +39,8 @@ def makeInvoluteGear(name):
     '''makeInvoluteGear(name): makes an InvoluteGear'''
     obj = FreeCAD.ActiveDocument.addObject("Part::Part2DObjectPython",name)
     _InvoluteGear(obj)
-    _ViewProviderInvoluteGear(obj.ViewObject)
+    if FreeCAD.GuiUp:
+        _ViewProviderInvoluteGear(obj.ViewObject)
     #FreeCAD.ActiveDocument.recompute()
     return obj
 
@@ -243,5 +244,5 @@ class _InvoluteGearTaskPanel:
         FreeCADGui.ActiveDocument.resetEdit()
 
 
-         
-FreeCADGui.addCommand('PartDesign_InvoluteGear',_CommandInvoluteGear())
+if FreeCAD.GuiUp:
+    FreeCADGui.addCommand('PartDesign_InvoluteGear',_CommandInvoluteGear())

src/Mod/PartDesign/fcgear/fcgear.py

@@ -17,7 +17,7 @@
 
 from math import cos, sin, pi, acos, asin, atan, sqrt
 
-import FreeCAD, FreeCADGui, Part
+import FreeCAD, Part
 from FreeCAD import Base, Console
 import involute
 reload(involute)