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_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_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_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_get_index(self):
index = system.get_index(self.p_state)
self.assertEqual(index, 0)
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_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_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)
