Made sure ordering of matrices are ok.

test/workflows/affy_workflowtest.py

@@ -75,6 +75,13 @@ CEL\tsex\tage\tinfected
                            ['02-05-34', 'F', '9', 'N'],
                            ['02-05-35', 'M', '8', 'I']], dataset.get_phenotype_table())
 
+        # we can also get a sorted list
+        new_order = ['02-05-35', '02-05-33', '02-05-34']
+        self.assertEquals([['CEL', 'sex', 'age', 'infected'],
+                           ['02-05-35', 'M', '8', 'I'],
+                           ['02-05-33', 'F', '8', 'I'],
+                           ['02-05-34', 'F', '9', 'N']], dataset.get_phenotype_table(new_order))
+
     def testGetCategories(self):
         cel_data = """\
 CEL\tsex\tage\tinfected
@@ -110,6 +117,5 @@ CEL\tsex\tage\tinfected
         self.assertEquals([1, 0, 1], dataset.get_category_variable("I"))
         self.assertEquals([0, 1, 0], dataset.get_category_variable("N"))
 
-
 if __name__=='__main__':
     unittest.main()