def test_jump_outoflimits(self):
'''' Must leave current active image unchanged if jump is out of chain limits'''
chain.Jump_To_Image(self.p_state, idx_image=5) # jump to non existing
self.assertEqual(system.Get_Index(self.p_state), 0) # active is 0th
chain.Jump_To_Image(self.p_state,
idx_image=-5) # jump to non existing (negative)
self.assertEqual(system.Get_Index(self.p_state), 0) # active is 0th
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_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_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_replace_outoflimits(self):
''' Must leave current image unchanged if it tries to replace an non existing image'''
chain.Replace_Image(self.p_state,
idx_image=5) # replace 0th with 5th (not exist)
self.assertEqual(system.Get_Index(self.p_state), 0) # active is 0th
self.assertEqual(chain.Get_NOI(self.p_state), 1) # total 1 image
chain.Replace_Image(self.p_state,
idx_image=-5) # replace 0th with -5th (not exist)
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_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_trivial_switching(self):
''' Next or Prev image in image of length 1 should result to 0th active'''
chain.Next_Image(self.p_state) # no next 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_push_back(self):
''' Must add one image and leave active's index unchanged '''
chain.Push_Back(self.p_state) # add after all
self.assertEqual(chain.Get_NOI(self.p_state), 2) # total 2 images
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_insert_after(self):
''' Must leave the index of active image the same '''
chain.Insert_Image_After(self.p_state) # add after active
self.assertEqual(chain.Get_NOI(self.p_state), 2) # total 2 images
self.assertEqual(system.Get_Index(self.p_state), 0) # active is 0th
def test_active_image(self):
''' Must return the index of the active image '''
self.assertEqual(system.Get_Index(self.p_state), 0) # active is 0th
def test_remove_smallest_index_active(self):
'''' Must set the active to the image with the smallest index left'''
chain.Insert_Image_After(self.p_state) # active is 0th
chain.Delete_Image(self.p_state) # delete 0th
self.assertEqual(chain.Get_NOI(self.p_state), 1) # total 1 image
self.assertEqual(system.Get_Index(self.p_state), 0) # active is 0th
def test_replace_trivial(self):
''' Must leave active image same if replace by its self'''
chain.Replace_Image(self.p_state, idx_image=0) # replace 0th with 0th
self.assertEqual(system.Get_Index(self.p_state), 0) # active is 0th
def test_jump_trivial(self):
''' Must leave active image same if jump to the active'''
chain.Jump_To_Image(self.p_state, idx_image=0) # jump to active itself
self.assertEqual(system.Get_Index(self.p_state),
0) # active is 0th (the same)
def test_get_index(self):
index = system.Get_Index(self.p_state)
self.assertEqual(index, 0)
