def test_slotframe_set_length_without_cells(sim_engine):
"""
Test if we can change the slotframe length when no cells are allocated
"""
sim_engine = sim_engine() # need for log
slotframe = SlotFrame(None, 1, 101)
# decrease the slotframe length
new_length = 50
slotframe.set_length(new_length)
assert slotframe.length == new_length
# increase the slotframe length
new_length = 150
slotframe.set_length(new_length)
assert slotframe.length == new_length
def test_slotframe_set_length_with_cells(sim_engine):
"""
Test if we can change the slotframe length when cells are allocated
"""
sim_engine = sim_engine() # need for log
neighbor_mac_addr_1 = 'test_mac_addr_1'
neighbor_mac_addr_2 = 'test_mac_addr_2'
slotframe = SlotFrame(None, 1, 101)
# create cells
cell_0 = Cell(0, 0, [d.CELLOPTION_TX], neighbor_mac_addr_1)
cell_70 = Cell(70, 0, [d.CELLOPTION_TX], neighbor_mac_addr_2)
cells = [cell_0, cell_70]
# add cells to slotframe
for c in cells:
slotframe.add(c)
# decrease the slotframe length
assert len(slotframe.get_busy_slots()) == len(cells)
new_length = 50
slotframe.set_length(new_length)
assert slotframe.length == new_length
assert len(slotframe.get_busy_slots()
) == len(cells) - 1 # make sure cell is delete
# make sure we cannot add a cell after new length
with pytest.raises(Exception):
slotframe.add(cell_70)
# increase the slotframe length
new_length = 150
slotframe.set_length(new_length)
assert slotframe.length == new_length
assert len(slotframe.get_busy_slots(
)) == len(cells) - 1 # make sure we have the right amount of cells
