def test_unlock_research(self):
"""Test the unlock_research function."""
civ = Civilisation("myCiv", grid, logger)
civ.science = 50
civ.unlock_research(1)
self.assertEqual(civ._tree._nodes[1].unlocked, True)
def test_upgrade_unit(self):
"""Test the upgrade_unit method."""
civ = Civilisation("myCiv", grid, logger)
civ.unlock_research(3)
hextile = Hex(0, 0, 0)
archer = Archer(1, 1, "myCiv", hextile)
archer.actions = 2
civ.upgrade_unit(archer)
self.assertEqual(archer.level, 2)
self.assertEqual(archer.actions, 1)