def test_lander_part3():
# finally let's test the smart_controller
L.reset_lander(500, 40, 25)
assert L.simulate_landing(L.smart_controller) == \
"Great success! You should apply for an internship with NASA!", \
"simulate_landing(smart_controller) at altitude=500"
L.reset_lander(1500, 40, 50)
assert L.simulate_landing(L.smart_controller) == \
"Great success! You should apply for an internship with NASA!", \
"simulate_landing(smart_controller) at altitude=1500"
L.reset_lander(2500, 40, 75)
assert L.simulate_landing(L.smart_controller) == \
"Great success! You should apply for an internship with NASA!", \
"simulate_landing(smart_controller) at altitude=2500"
print("test_lander part 3 SUCCESS!")
def test_lander_part2():
L.reset_lander(500, 40, 25)
assert close(L.altitude, 500) and close(L.velocity, 40) \
and close(L.fuel, 25) and close(L.strength, 4), "reset_lander"
assert L.simulate_landing(bad_controller) == \
"Oh no the lander has crashed! Better skill next time!", \
"simulate_landing"
L.reset_lander(4, 0, 0)
assert L.simulate_landing(broken_controller) == \
"Great success! You should apply for an internship with NASA!", \
"simulate_landing"
#difficult to test user input, so we replace the input and print function
# with test versions and capture what was input/printed
L.reset_lander(4, 0, 0)
import builtins, random
r = random.randrange(1, 4)
printed = None
asked_user = None
def test_input(value):
nonlocal asked_user
asked_user = value
return r
def test_print(value):
nonlocal printed
printed = value
L.input = test_input
L.print = test_print
t = L.human_controller()
# put the builtin functions back in global namespace
L.input = builtins.input
L.print = builtins.print
assert t == r, "human_controller"
assert printed == "Alt = 4.00 Vel = 0.00 Fuel = 0 Str = 4"
assert asked_user == "How much thrust this round? ", "human_controller"
print("test_lander part 2 SUCCESS!")
def test_lander_part4():
#can you land on earth with more fuel and a stronger lander?
L.reset_lander(1000, 40, 50)
L.reset_world(9.807, 20, -1, -1)
assert L.simulate_landing(L.smart_controller) == \
"Great success! You should apply for an internship with NASA!", \
"simulate_landing(smart_controller) at alt=1000 on earth"
L.reset_lander(500, 40, 50)
L.reset_world(1.622, 8, 400, 800)
L.update_onesecond()
assert L.strength == 7, "update_onesecond atmosphere effects strength"
L.reset_lander(1000, 40, 50)
L.reset_world(1.622, 8, 400, 800)
assert L.simulate_landing(L.smart_controller) == \
"Great success! You should apply for an internship with NASA!", \
"simulate_landing(smart_controller) at alt=1000 atm=300,800"
print("test_lander part 4 SUCCESS!")