def testParticleIsColocated(self):
p = PiltonParticle(1, 2, 3)
others = {
PiltonParticle(1, 2, 5): True,
PiltonParticle(2, 2, 3): False
}
for o in others:
msg = "p={0} o={1} expect={2}".format(p, o, others[o])
self.assertEqual(p.is_colocated(o), others[o], msg)
def testParticleImmutability(self):
p = PiltonParticle(1, 2, 3)
with self.assertRaises(AttributeError):
p.x = 4
with self.assertRaises(AttributeError):
p.y = 4
with self.assertRaises(AttributeError):
p.mass = 4
with self.assertRaises(AttributeError):
p.location = (1, 2)
def makeParticles(*tuples, mass=None):
if mass:
return [PiltonParticle(l[0], l[1], mass) for l in tuples]
else:
return [PiltonParticle(p[0], p[1], p[2]) for p in tuples]
def testParticleLocation(self):
p1 = PiltonParticle(1, 2, 3)
p2 = PiltonParticle(2, 1, 3)
p3 = PiltonParticle(1, 2, 4)
self.assertTrue(p1.location != p2.location, "different locations")
self.assertTrue(p1.location == p3.location, "same location")
def testParticleEquality(self):
p = PiltonParticle(1, 2, 3)
self.assertEqual(p, PiltonParticle(1, 2, 3), "equal")
self.assertNotEqual(p, PiltonParticle(4, 2, 3), "x differs")
self.assertNotEqual(p, PiltonParticle(1, 4, 3), "y differs")
self.assertNotEqual(p, PiltonParticle(1, 2, 4), "mass differs")
def testParticleProperties(self):
p = PiltonParticle(1, 2, 3)
self.assertEqual(p.x, 1, "x")
self.assertEqual(p.y, 2, "y")
self.assertEqual(p.mass, 3, "mass")
from tkinter import StringVar
from tkinter import BooleanVar
from tkinter import Text
from PiltonWorld import PiltonParticle
from PiltonWorld import PiltonWorldState
# ----- Core dimensions
_cols = 7
_rows = 7
_cell_width_pixels = 35 # cells are square, so height == width
_grid_width_pixels = _cols * _cell_width_pixels + 1
_grid_height_pixels = _rows * _cell_width_pixels + 1
# ----- Model
starting_particles = [PiltonParticle(3, 2, 1)]
ps = PiltonWorldState(_cols, _rows)
ps.particles = starting_particles
# ----- Controller
status_prefix = "World {0}x{1}".format(_cols, _rows)
def particles_text(ps):
return str([str(p) for p in ps.particles]).replace("'", "")
def update_display():
textcanvas.delete('all')