def test_next_planet_type(self):
from gravita import planet
types = set()
for i in range(100):
type = planet.next_planet_type()
self.assertTrue(type)
self.assert_(type in planet.planet_types, type)
types.add(type)
self.assertEqual(types, set(planet.planet_types))
def add_planet(self, planet_type=None, location=None):
"""Add a planet to the map. The planet type and location can
be specified, if not they will be randomly chosen.
"""
if planet_type is not None:
assert planet_type in planet.planet_types, \
"Invalid planet type %s" % planet_type
if location is None:
assert self._available_sectors, "Cannot add planet, map is full"
location = random.choice(list(self._available_sectors))
x, y = location
for dx in (-1, 0, 1):
for dy in (-1, 0, 1):
self._available_sectors.discard((x + dx, y + dy))
p = self[location].planet = planet.Planet(
name=self.generate_planet_name(),
type=planet_type or planet.next_planet_type(),
location=location,
size=random.random() * 0.7 + 0.3)
return p
