- added to test to check navigability changes of an association end

  connected to an interface


git-svn-id: file:///Users/arjan/backup/gaphor/gaphor/trunk@2260 a8418922-720d-0410-834f-a69b97ada669

gaphor/diagram/classes/tests/test_association.py

@@ -8,6 +8,7 @@
 from gaphor import UML
 from gaphor.diagram.classes.association import AssociationItem
 from gaphor.diagram.classes.klass import ClassItem
+from gaphor.diagram.items import InterfaceItem
 from gaphor.diagram.interfaces import IConnect
 from gaphas import View
 
@@ -101,4 +102,35 @@ def test_navigability_at_class(self):
         assert head.subject.class_ is None
         assert head.subject.owningAssociation is None
 
+
+    def test_navigability_at_interface(self):
+        """Test association end navigability connected to an interface"""
+        c1 = self.create(InterfaceItem, UML.Interface)
+        c2 = self.create(InterfaceItem, UML.Interface)
+
+        a = self.create(AssociationItem)
+
+        adapter = component.queryMultiAdapter((c1, a), IConnect)
+        assert adapter
+        adapter.connect(a.head)
+        assert a.head.connected_to
+
+        adapter = component.queryMultiAdapter((c2, a), IConnect)
+        adapter.connect(a.tail)
+        assert a.tail.connected_to
+
+        head = a._head_end
+
+        head._set_navigability(True)
+        assert head.subject.interface_ == c2.subject
+        assert head.subject.owningAssociation is None
+
+        head._set_navigability(False)
+        assert head.subject.interface_ is None
+        assert head.subject.owningAssociation == a.subject
+
+        head._set_navigability(None)
+        assert head.subject.interface_ is None
+        assert head.subject.owningAssociation is None
+
 # vim:sw=4:et:ai