* annotations.py: The Annotations class now work. Querying along any

axis is supported, but only two dimensional Annotations can be created.

test/system/annotationtest.py

@@ -3,6 +3,7 @@ import unittest
 import sys
 sys.path.append('../../system')
 from annotations import *
+from sets import Set as set
 
 class AnnotationTest(unittest.TestCase):
 
@@ -11,9 +12,21 @@ class AnnotationTest(unittest.TestCase):
 
     def testCreation(self):
         a = Annotations('x', 'y')
+
         assert a.has_dimension('x')        
         assert a.has_dimension('y')        
         assert not a.has_dimension('z')        
 
+    def testAddAnnotations(self):
+        ann = Annotations('genes', 'go')
+        go = set(['GO:0', 'GO:1'])
+        ann.add_annotations('genes', 'BadGene', 'go', go)
+        genes = set(['BadGene'])
+
+        assert ann.get_annotations('genes', 'BadGene', 'go') == go
+        assert ann.get_annotations('go', 'GO:0', 'genes') == genes
+        assert ann.get_annotations('go', 'GO:1', 'genes') == genes
+        assert ann.get_annotations('go', 'GO:2', 'genes') == set()
+
 if __name__ == '__main__':
     unittest.main()