def test_apply_velocity():
# x=1, y=2, z=3 and a velocity of x=-2, y=0,z=3, then its new position would be x=-1, y=2, z=6
moon = Moon("<x=1, y=2, z=3>")
moon.velocity = (-2, 0, 3)
expected = Moon("<x=-1, y=2, z=6>")
expected.velocity = (-2, 0, 3)
moon.apply_velocity()
assert moon == expected
def test1(self):
moonList = []
moonA = Moon(-1, 0, 2)
moonB = Moon(2, -10, -7)
moonC = Moon(4, -8, 8)
moonD = Moon(3, 5, -1)
moonList.append(moonA)
moonList.append(moonB)
moonList.append(moonC)
moonList.append(moonD)
out = calctotEnergy(10, moonList.copy())
self.assertEqual(179, out)
def test3(self):
moonList = []
moonA = Moon(-15, 1, 4)
moonB = Moon(1, -10, -8)
moonC = Moon(-5, 4, 9)
moonD = Moon(4, 6, -2)
moonList.append(moonA)
moonList.append(moonB)
moonList.append(moonC)
moonList.append(moonD)
out = calctotEnergy(1000, moonList.copy())
self.assertEqual(8625, out)
def test2(self):
moonList = []
moonA = Moon(-8, -10, 0)
moonB = Moon(5, 5, 10)
moonC = Moon(2, -7, 3)
moonD = Moon(9, -8, -3)
moonList.append(moonA)
moonList.append(moonB)
moonList.append(moonC)
moonList.append(moonD)
out = calctotEnergy(100, moonList.copy())
self.assertEqual(1940, out)
def test_get_total_energy_2nd_example():
expected = 1940
start_input = [
"<x=-8, y=-10, z=0>",
"<x=5, y=5, z=10>",
"<x=2, y=-7, z=3>",
"<x=9, y=-8, z=-3>",
]
moons = [Moon(row) for row in start_input]
result = get_total_energy(moons, 100)
assert result == expected
def test_init_handles_string_input():
line = "<x=15, y=-2, z=-6>"
expected_x = 15
expected_y = -2
expected_z = -6
result = Moon(line)
assert result.x == expected_x
assert result.y == expected_y
assert result.z == expected_z
def test_get_total_energy():
expected = 179
start_input = [
"<x=-1, y=0, z=2>",
"<x=2, y=-10, z=-7>",
"<x=4, y=-8, z=8>",
"<x=3, y=5, z=-1>",
]
moons = [Moon(row) for row in start_input]
result = get_total_energy(moons, 10)
assert result == expected
def test_get_steps_to_find_same_state():
expected = 4686774924
start_input = [
"<x=-8, y=-10, z=0>",
"<x=5, y=5, z=10>",
"<x=2, y=-7, z=3>",
"<x=9, y=-8, z=-3>",
]
moons = [Moon(row) for row in start_input]
result = get_steps_to_find_same_state(moons)
assert result == expected
def setUp(self):
self.moons1 = [
Moon([-1, 0, 2]),
Moon([2, -10, -7]),
Moon([4, -8, 8]),
Moon([3, 5, -1])
]
self.result1 = [
Moon([2, -1, 1]),
Moon([3, -7, -4]),
Moon([1, -7, 5]),
Moon([2, 2, 0])
]
self.result2 = [
Moon([5, -3, -1]),
Moon([1, -2, 2]),
Moon([1, -4, -1]),
Moon([1, -4, 2])
]
self.result3 = [
Moon([-1, -9, 2]),
Moon([4, 1, 5]),
Moon([2, 2, -4]),
Moon([3, -7, -1])
]
self.result4 = [
Moon([2, 1, -3]),
Moon([1, -8, 0]),
Moon([3, -6, 1]),
Moon([2, 0, 4])
]
self.moons2 = separateAxis([
Moon([-1, 0, 2]),
Moon([2, -10, -7]),
Moon([4, -8, 8]),
Moon([3, 5, -1])
])