def testAssignAndRetrieve(self):
e = GenomeElement('TestGenome', start=5, val=1.0, extra={'a':1,'b':2}, orderedExtraKeys=['a','b'])
self.assertEqual(e.genome, 'TestGenome')
self.assertEqual(e.chr, None)
self.assertEqual(e.start, 5)
self.assertEqual(e.end, None)
self.assertEqual(e.val, 1.0)
self.assertEqual(e.strand, None)
self.assertEqual(e.a, 1)
self.assertEqual(e.b, 2)
self.assertEqual(e.extra, {'a':1,'b':2})
self.assertEqual(e.orderedExtraKeys, ['a', 'b'])
e = GenomeElement('TestGenome', a=1)
e.b = 2
self.assertEqual(e.genome, 'TestGenome')
self.assertEqual(e.a, 1)
self.assertEqual(e.b, 2)
self.assertEqual(e.extra, {'a':1,'b':2})
self.assertEqual(e.orderedExtraKeys, ['a', 'b'])
self.assertRaises(AttributeError, lambda : e.nonExisting)
