parameter adding and removing now fully functional according to tests, including fixes

GPy/testing/parameterized_tests.py

@@ -0,0 +1,93 @@
+'''
+Created on Feb 13, 2014
+
+@author: maxzwiessele
+'''
+import unittest
+import GPy
+import numpy as np
+
+class Test(unittest.TestCase):
+
+    def setUp(self):
+        self.rbf = GPy.kern.rbf(1)
+        self.white = GPy.kern.white(1)
+        from GPy.core.parameterization import Param
+        from GPy.core.parameterization.transformations import Logistic
+        self.param = Param('param', np.random.rand(25,2), Logistic(0, 1))
+        
+        self.test1 = GPy.core.Parameterized("test model")
+        self.test1.add_parameter(self.white)
+        self.test1.add_parameter(self.rbf, 0)
+        self.test1.add_parameter(self.param)
+        
+    def test_add_parameter(self):
+        self.assertEquals(self.rbf._parent_index_, 0)
+        self.assertEquals(self.white._parent_index_, 1)
+        pass
+    
+    def test_fixes(self):
+        self.white.fix(warning=False)
+        self.test1.remove_parameter(self.test1.param)
+        self.assertTrue(self.test1._has_fixes())
+
+        from GPy.core.parameterization.transformations import FIXED, UNFIXED
+        self.assertListEqual(self.test1._fixes_.tolist(),[UNFIXED,UNFIXED,FIXED])
+
+        self.test1.add_parameter(self.white, 0)
+        self.assertListEqual(self.test1._fixes_.tolist(),[FIXED,UNFIXED,UNFIXED])
+        
+        
+    def test_remove_parameter(self):
+        from GPy.core.parameterization.transformations import FIXED, UNFIXED, __fixed__
+        self.white.fix()
+        self.test1.remove_parameter(self.white)
+        self.assertIs(self.test1._fixes_,None)
+        
+        self.assertListEqual(self.white._fixes_.tolist(), [FIXED])
+        self.assertIs(self.white.constraints,self.white.white.constraints._param_index_ops)
+        self.assertEquals(self.white.white.constraints._offset, 0)
+        self.assertIs(self.test1.constraints, self.rbf.constraints._param_index_ops)
+        self.assertIs(self.test1.constraints, self.param.constraints._param_index_ops)        
+        
+        self.test1.add_parameter(self.white, 0)
+        self.assertIs(self.test1.constraints, self.white.constraints._param_index_ops)
+        self.assertIs(self.test1.constraints, self.rbf.constraints._param_index_ops)
+        self.assertIs(self.test1.constraints, self.param.constraints._param_index_ops)        
+        self.assertListEqual(self.test1.constraints[__fixed__].tolist(), [0])
+        self.assertIs(self.white._fixes_,None)
+        self.assertListEqual(self.test1._fixes_.tolist(),[FIXED] + [UNFIXED] * 52)
+        self.test1.remove_parameter(self.white)
+        self.assertIs(self.test1._fixes_,None)
+        self.assertListEqual(self.white._fixes_.tolist(), [FIXED])
+        self.assertIs(self.white.constraints,self.white.white.constraints._param_index_ops)
+        self.assertIs(self.test1.constraints, self.rbf.constraints._param_index_ops)
+        self.assertIs(self.test1.constraints, self.param.constraints._param_index_ops)        
+        
+    def test_add_parameter_already_in_hirarchy(self):
+        self.test1.add_parameter(self.white._parameters_[0])
+        
+    def test_default_constraints(self):
+        self.assertIs(self.rbf.rbf.variance.constraints._param_index_ops, self.rbf.constraints._param_index_ops)
+        self.assertIs(self.test1.constraints, self.rbf.constraints._param_index_ops)
+        self.assertListEqual(self.rbf.constraints.indices()[0].tolist(), range(2))
+        from GPy.core.parameterization.transformations import Logexp
+        kern = self.rbf+self.white
+        self.assertListEqual(kern.constraints[Logexp()].tolist(), range(3))
+
+    def test_constraints(self):
+        self.rbf.constrain(GPy.transformations.Square(), False)
+        self.assertListEqual(self.test1.constraints[GPy.transformations.Square()].tolist(), range(2))
+        self.assertListEqual(self.test1.constraints[GPy.transformations.Logexp()].tolist(), [2])
+        
+        self.test1.remove_parameter(self.rbf)
+        self.assertListEqual(self.test1.constraints[GPy.transformations.Square()].tolist(), [])
+
+    def test_constraints_views(self):
+        self.assertEqual(self.white.constraints._offset, 2)
+        self.assertEqual(self.rbf.constraints._offset, 0)
+        self.assertEqual(self.param.constraints._offset, 3)
+
+if __name__ == "__main__":
+    #import sys;sys.argv = ['', 'Test.test_add_parameter']
+    unittest.main()