def test_pop_back(self):
''' Must make the image with next smaller index active when the active is poped'''
chain.Insert_Image_Before(self.p_state) # add before active
self.assertEqual(system.Get_Index(self.p_state), 1) # active is 1st
chain.Pop_Back(self.p_state) # delete the last (active)
self.assertEqual(system.Get_Index(self.p_state), 0) # active is 0th
self.assertEqual(chain.Get_NOI(self.p_state), 1) # total 1 image
def test_Rx(self):
chain.Insert_Image_Before(self.p_state) # active is 1st
noi = chain.Get_NOI(self.p_state) # total 2 images
self.assertAlmostEqual(noi, 2)
Rx = chain.Get_Rx(self.p_state) # get Rx values
Rx_interp = chain.Get_Rx_Interpolated(self.p_state) # get Rx interpol
self.assertNotAlmostEqual(Rx[noi - 1], 0)
def test_jump(self):
''' Must change the active image to the one pointed by idx_image'''
chain.Insert_Image_Before(self.p_state) # active is 1st
chain.Jump_To_Image(self.p_state, idx_image=0) # jump to 0th
self.assertEqual(system.Get_Index(self.p_state), 0) # active is 0th
chain.Jump_To_Image(self.p_state, idx_image=1) # jump to 1st
self.assertEqual(system.Get_Index(self.p_state), 1) # active is 1st
def test_delete_outoflimits(self):
chain.Insert_Image_Before(self.p_state) # active is 1st
chain.Insert_Image_Before(self.p_state) # active is 2nd
self.assertEqual(system.Get_Index(self.p_state), 2) # active is 2nd
self.assertEqual(chain.Get_NOI(self.p_state), 3) # total 3 images
# test the deletion of a non existing image with positive idx
chain.Delete_Image(self.p_state,
idx_image=5) # delete -5th (not exist)
self.assertEqual(chain.Get_NOI(self.p_state), 3) # total 3 images
# test the deletion of a non existing image with negative idx
chain.Delete_Image(self.p_state,
idx_image=-5) # delete -5th (not exist)
self.assertEqual(chain.Get_NOI(self.p_state), 2) # total 2 images
self.assertEqual(system.Get_Index(self.p_state), 1) # active is 1st
def test_switching(self):
''' For Next in the back and Prev in the front active must remain unchanged'''
chain.Insert_Image_Before(self.p_state) # add before active
self.assertEqual(system.Get_Index(self.p_state), 1) # active is 1st
chain.Next_Image(self.p_state) # no next image
self.assertEqual(system.Get_Index(self.p_state), 1) # active is 1st
chain.Prev_Image(self.p_state) # go to prev image
self.assertEqual(system.Get_Index(self.p_state), 0) # active is 0th
chain.Prev_Image(self.p_state) # no prev image
self.assertEqual(system.Get_Index(self.p_state), 0) # active is 0th
def test_insert_before(self):
''' Must reindex (increment by one) active image '''
chain.Insert_Image_Before(self.p_state) # add before active
self.assertEqual(chain.Get_NOI(self.p_state), 2) # total 2 images
self.assertEqual(system.Get_Index(self.p_state), 1) # active is 1st
def test_remove_largest_index_active(self):
''' Must set the active to the image with the smallest index left'''
chain.Insert_Image_Before(self.p_state) # active is 1st
chain.Delete_Image(self.p_state) # delete 1st
self.assertEqual(chain.Get_NOI(self.p_state), 1) # total 1 image
self.assertEqual(system.Get_Index(self.p_state), 0) # active is 0th