def test_multiple_retreat_to_the_same_area_causes_disband(self):
"""
There can only be one unit in an area.
"""
Army(self.state,
0,
Nations.ENGLAND,
self.territories.NORWAY,
attacker_territory=self.territories.ST_PETERSBURG),
Army(self.state,
0,
Nations.ENGLAND,
self.territories.FINLAND,
attacker_territory=self.territories.ST_PETERSBURG),
orders = [
Retreat(self.state, 0, Nations.ENGLAND, self.territories.NORWAY,
self.territories.SWEDEN),
Retreat(self.state, 0, Nations.ENGLAND, self.territories.FINLAND,
self.territories.SWEDEN),
]
process(self.state)
self.assertTrue(orders[0].legal)
self.assertEqual(orders[0].outcome, Outcomes.FAILS)
self.assertTrue(orders[1].legal)
self.assertEqual(orders[1].outcome, Outcomes.FAILS)
def test_unit_may_not_retreat_to_contested_area(self):
"""
Stand off prevents retreat to the area.
"""
self.territories.SWEDEN.contested = True
pieces = [
Army(0,
Nations.ENGLAND,
self.territories.NORWAY,
attacker_territory=self.territories.FINLAND),
]
orders = [
Retreat(0, Nations.ENGLAND, self.territories.NORWAY,
self.territories.SWEDEN),
]
self.state.register(*pieces, *orders)
self.state.post_register_updates()
process(self.state)
self.assertTrue(orders[0].illegal)
self.assertEqual(
orders[0].illegal_verbose,
('Cannot retreat to a territory which was contested on the '
'previous turn.'))
self.assertEqual(orders[0].outcome, Outcomes.FAILS)
def test_unit_may_not_retreat_from_area_from_which_it_was_attacked(self):
"""
Well, that would be of course stupid. Still, the adjudicator must be
tested on this.
"""
pieces = [
Army(0,
Nations.ENGLAND,
self.territories.NORWAY,
attacker_territory=self.territories.SWEDEN),
]
orders = [
Retreat(0, Nations.ENGLAND, self.territories.NORWAY,
self.territories.SWEDEN),
]
self.state.register(*pieces, *orders)
self.state.post_register_updates()
process(self.state)
self.assertTrue(orders[0].illegal)
self.assertEqual(
orders[0].illegal_verbose,
'Piece cannot retreat to the territory from which it was attacked.'
)
self.assertEqual(orders[0].outcome, Outcomes.FAILS)
def test_three_retreats_to_the_same_area_causes_disband(self):
"""
When three units retreat to the same area, then all three units are
disbanded.
"""
pieces = [
Army(0,
Nations.ENGLAND,
self.territories.NORWAY,
attacker_territory=self.territories.ST_PETERSBURG),
Army(0,
Nations.ENGLAND,
self.territories.FINLAND,
attacker_territory=self.territories.ST_PETERSBURG),
Army(0,
Nations.RUSSIA,
self.territories.DENMARK,
attacker_territory=self.territories.KIEL),
]
orders = [
Retreat(0, Nations.ENGLAND, self.territories.NORWAY,
self.territories.SWEDEN),
Retreat(0, Nations.ENGLAND, self.territories.FINLAND,
self.territories.SWEDEN),
Retreat(0, Nations.RUSSIA, self.territories.DENMARK,
self.territories.SWEDEN),
]
self.state.register(*pieces, *orders)
self.state.post_register_updates()
process(self.state)
self.assertTrue(orders[0].legal)
self.assertEqual(orders[0].outcome, Outcomes.FAILS)
self.assertTrue(orders[1].legal)
self.assertEqual(orders[1].outcome, Outcomes.FAILS)
self.assertTrue(orders[2].legal)
self.assertEqual(orders[2].outcome, Outcomes.FAILS)