[test] Complete message of IllegalArgumentException

Some automatic tests fail in the initialisation of
TraceabilityMarkerNavigationProvider but the message of
IllegalArgumentException is not enough clear.

Change-Id: If0e81047f0fff9e6cfee8f630b63a8644726b35a
Signed-off-by: Laurent Redor <laurent.redor@obeo.fr>

1 files changed, 18 insertions, 15 deletions

diff --git a/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/business/api/dialect/marker/TraceabilityMarkerNavigationProvider.java b/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/business/api/dialect/marker/TraceabilityMarkerNavigationProvider.java
index 502ebde9aa..271ab01913 100644
--- a/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/business/api/dialect/marker/TraceabilityMarkerNavigationProvider.java
+++ b/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/business/api/dialect/marker/TraceabilityMarkerNavigationProvider.java
@@ -28,23 +28,11 @@ import org.eclipse.emf.edit.domain.EditingDomain;
 import org.eclipse.jface.viewers.ITreeContentProvider;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.window.Window;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.ui.IEditorPart;
-import org.eclipse.ui.IEditorReference;
-import org.eclipse.ui.IWorkbenchPage;
-import org.eclipse.ui.PlatformUI;
-import org.eclipse.ui.dialogs.CheckedTreeSelectionDialog;
-import org.eclipse.ui.ide.IGotoMarker;
-
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
-
+import org.eclipse.sirius.business.api.dialect.DialectManager;
+import org.eclipse.sirius.business.api.session.Session;
 import org.eclipse.sirius.common.tools.api.util.Option;
 import org.eclipse.sirius.common.tools.api.util.Options;
 import org.eclipse.sirius.common.ui.tools.api.util.EclipseUIUtil;
-import org.eclipse.sirius.business.api.dialect.DialectManager;
-import org.eclipse.sirius.business.api.session.Session;
 import org.eclipse.sirius.ui.business.api.dialect.DialectEditor;
 import org.eclipse.sirius.ui.business.api.dialect.DialectUIManager;
 import org.eclipse.sirius.ui.business.api.session.IEditingSession;
@@ -53,6 +41,17 @@ import org.eclipse.sirius.ui.tools.api.views.ViewHelper;
 import org.eclipse.sirius.ui.tools.internal.views.common.SessionLabelProvider;
 import org.eclipse.sirius.viewpoint.DRepresentation;
 import org.eclipse.sirius.viewpoint.DRepresentationElement;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IEditorReference;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.dialogs.CheckedTreeSelectionDialog;
+import org.eclipse.ui.ide.IGotoMarker;
+
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
 
 /**
  * <p>
@@ -147,7 +146,11 @@ public class TraceabilityMarkerNavigationProvider implements IGotoMarker {
         if (foundSession != null) {
             this.currentSession = foundSession;
         } else {
-            throw new IllegalArgumentException("We can't find a session associated to the given editor");
+            String editorTitle = "";
+            if (currentEditor.some()) {
+                editorTitle = currentEditor.get().getTitle();
+            }
+            throw new IllegalArgumentException("We can't find a session associated to the given editor \"" + editorTitle + "\"");
         }
     }