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_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_update(self):
noi = chain.Get_NOI(self.p_state)
Ei = chain.Get_Energy(self.p_state) # Energy initial
chain.Update_Data(self.p_state)
Ef = chain.Get_Energy(self.p_state) # Energy final
for i in range(noi):
self.assertEqual(Ei[i], Ef[i]) # should be equal
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_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 configurations(p_state):
### Copy the system a few times
chain.Image_to_Clipboard(p_state)
for number in range(1, 7):
chain.Insert_Image_After(p_state)
noi = chain.Get_NOI(p_state)
### Read Image from file
# Configuration_from_File(state.get(), spinsfile, 0);
### Read Chain from file
# Chain_from_File(state.get(), chainfile);
### First image is homogeneous with a Skyrmion at pos
configuration.PlusZ(p_state, idx_image=0)
configuration.Skyrmion(p_state, 5.0, phase=-90.0, idx_image=0)
### Last image is homogeneous
configuration.PlusZ(p_state, idx_image=noi - 1)
# spinsfile = "input/spins.txt"
# io.Image_Read(p_state, spinsfile)
### Create transition of images between first and last
transition.Homogeneous(p_state, 0, noi - 1)
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_NOI(self):
''' NOI -> Number of images in that chain '''
self.assertEqual(chain.Get_NOI(self.p_state), 1) # total 1 image
def tearDown(self):
''' clean the p_state '''
noi = chain.Get_NOI(self.p_state)
for i in range(noi - 1):
chain.Pop_Back(self.p_state)
self.assertEqual(chain.Get_NOI(self.p_state), 1)
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_delete_trivial(self):
''' Must NOT delete the image of a chain with only one image'''
chain.Delete_Image(self.p_state) # delete 0th
self.assertEqual(chain.Get_NOI(self.p_state), 1) # total 1 image
