[Mono-list] Nunit hangs when testing a class using the GTK

["Andrés G. Aragoneses"]

Call GType.Init () in a [TestFixtureSetup] method.

Regards,

	Andrés

Wolfgang Schulze-Zachau wrote:
> I might be a bit ignorant here, so please bear with me.
> I am running MonoDevelop 2 Alpha 2 on Fedora 9. In my project I use NUnit to
> do all sorts of testing. Today I added a test for a class that is supposed
> to create a popup menu on demand, which can then be displayed in a TreeView.
> Here is the class code so far:
> 
> 
> using System;
> using Gtk;
> 
> namespace Amino.ProCos
> {
> 	
> 	
> 	public class RootProjectTreeNode
> 	{
> 		
> 		public RootProjectTreeNode()
> 		{
> 		}
> 
> 		public string DisplayName {
> 			get { return "All Groups"; }
> 		}
> 
> 		public Menu getMenu() {
> 			Menu menu = new Menu();
> 			MenuItem expand, collapse, addgroup;
> 			expand = new MenuItem("Expand");
> 			collapse = new MenuItem("Collapse");
> 			addgroup = new MenuItem("Add Project Group");
> 			menu.Add(expand);
> 			menu.Add(collapse);
> 			menu.Add(addgroup);
> 			return menu;
> 		}
> 	}
> }
> 
> And here is the relevant unit test code:
> 
> using System;
> using Gtk;
> using NUnit.Framework;
> using Amino.ProCos;
> 
> namespace Amino.testProCos
> {
> 	
> 	
> 	[TestFixture()]
> 	public class TestRootProjectNode
> 	{
> 		RootProjectTreeNode root;
> 		
> 		[Test()]
> 		public void Instantiation()
> 		{
> 			root = new RootProjectTreeNode();
> 			Assert.AreEqual("All Groups", root.DisplayName, "Instantiation of a the
> root project tree node failed");
> 		}
> 
> 		[Test()]
> 		public void BasicMenu() {
> 			root = new RootProjectTreeNode();
> 			Menu menu = root.getMenu();
> 			Assert.IsTrue(true, "No idea");
> 			MenuItem[] items = (MenuItem[])menu.Children;
> 			Assert.AreEqual(3, items.Length, "menu should contain 3 elements");
> 			Assert.AreEqual("Expand", items[0].Name, "First popup menu item is not
> 'Expand'");
> 			Assert.AreEqual("Collapse", items[1].Name, "Second popup menu item is not
> 'Collapse'");
> 			Assert.AreEqual("Add Project Group", items[3].Name, "Third popup menu
> item is not 'Add Project Group'");
> 		}
> 	}
> }
> 
> The whole thing compiles without problem. When I run the tests, NUnit hangs.
> The only way out is to open a console and kill the NUnit process. The
> console window from which monodevelop is started, shows error messages such
> as this:
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> gtype.c:2248: initialization assertion failed, use IA__g_type_init() prior
> to this function
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-CRITICAL **:
> g_once_init_leave: assertion `initialization_value != 0' failed
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> gtype.c:2248: initialization assertion failed, use IA__g_type_init() prior
> to this function
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> gtype.c:2248: initialization assertion failed, use IA__g_type_init() prior
> to this function
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> gtype.c:2248: initialization assertion failed, use IA__g_type_init() prior
> to this function
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> g_type_add_interface_static: assertion `G_TYPE_IS_INSTANTIATABLE
> (instance_type)' failed
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> gtype.c:2248: initialization assertion failed, use IA__g_type_init() prior
> to this function
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> g_type_add_interface_static: assertion `G_TYPE_IS_INSTANTIATABLE
> (instance_type)' failed
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> gtype.c:2248: initialization assertion failed, use IA__g_type_init() prior
> to this function
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> gtype.c:2248: initialization assertion failed, use IA__g_type_init() prior
> to this function
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> g_type_add_interface_static: assertion `G_TYPE_IS_INSTANTIATABLE
> (instance_type)' failed
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> gtype.c:2248: initialization assertion failed, use IA__g_type_init() prior
> to this function
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-CRITICAL **:
> g_once_init_leave: assertion `initialization_value != 0' failed
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> gtype.c:2248: initialization assertion failed, use IA__g_type_init() prior
> to this function
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-CRITICAL **:
> g_once_init_leave: assertion `initialization_value != 0' failed
> 
> (/usr/local/lib/monodevelop/bin/mdhost.exe:15951): GLib-GObject-CRITICAL **:
> g_object_new: assertion `G_TYPE_IS_OBJECT (object_type)' failed
> ERROR [2008-12-23 22:45:43Z]: System.Runtime.Remoting.RemotingException:
> Unix transport error.
> 
> The last error is the one thrown by killing the process. I have no idea why
> this is happening, so if anybody can point me in any direction, I would be
> truly grateful.
> 
> cheers
> Wolfgang