def test_future_vcdone_vc(fake_node, view_change_in_progress):
"""
If from_current_state is False, then message should be put only into msgsForFutureViews queue
"""
frm = 'Node3'
fake_node.view_changer.view_change_in_progress = view_change_in_progress
current_view = fake_node.viewNo
proposed_view_no = current_view + 1
msg = ViewChangeDone(proposed_view_no, frm, fake_node.ledger_summary)
res = Node.msgHasAcceptableViewNo(fake_node, msg, frm)
assert proposed_view_no in fake_node.msgsForFutureViews
assert proposed_view_no not in fake_node.msgsToViewChanger
assert not res
def test_future_vcdone_vc(fake_node, view_change_in_progress):
"""
If from_current_state is False, then message should be put only into msgsForFutureViews queue
"""
frm = 'Node3'
fake_node.view_changer.view_change_in_progress = view_change_in_progress
current_view = fake_node.viewNo
proposed_view_no = current_view + 1
msg = ViewChangeDone(proposed_view_no, frm, fake_node.ledger_summary)
res = Node.msgHasAcceptableViewNo(fake_node, msg, frm)
assert proposed_view_no in fake_node.msgsForFutureViews
assert proposed_view_no not in fake_node.msgsToViewChanger
assert not res
def test_from_current_state(fake_node):
"""
If from_current_state is True and is initial propagate primary (current viewNo is 0),
then message should be put into msgsToViewChanger queue with from_current_state flag as True
"""
frm = 'Node3'
fake_node.view_changer.view_change_in_progress = False
current_view = fake_node.view_changer.last_completed_view_no
proposed_view_no = current_view + 1
msg = ViewChangeDone(proposed_view_no, frm, fake_node.ledger_summary)
res = Node.msgHasAcceptableViewNo(fake_node, msg, frm, from_current_state=True)
msg, frm = fake_node.msgsToViewChanger[0]
assert len(fake_node.msgsToViewChanger) == 1
assert msg.from_current_state
assert res is False
def test_from_current_state(fake_node):
"""
If from_current_state is True and is initial propagate primary (current viewNo is 0),
then message should be put into msgsToViewChanger queue with from_current_state flag as True
"""
frm = 'Node3'
fake_node.view_changer.view_change_in_progress = False
current_view = fake_node.view_changer.last_completed_view_no
proposed_view_no = current_view + 1
msg = ViewChangeDone(proposed_view_no, frm, fake_node.ledger_summary)
res = Node.msgHasAcceptableViewNo(fake_node,
msg,
frm,
from_current_state=True)
msg, frm = fake_node.msgsToViewChanger[0]
assert len(fake_node.msgsToViewChanger) == 1
assert msg.from_current_state
assert res is False
