def test_run_three_iterations(self):
expected_row = [
True, True, False, True, True, True, True
]
automaton = Engine(30)
last_row = automaton.run(3)
self.assertListEqual(last_row, expected_row)
def test_run_one_iteration(self):
expected_row = [
True, True, True
]
automaton = Engine(30)
last_row = automaton.run(1)
self.assertListEqual(last_row, expected_row)
def test_user_provided_iteration_handler_one_iteration(self):
received_rows = []
received_iteration = [None]
def row_handler(row, iteration):
received_rows.append(row)
received_iteration[0] = iteration
automaton = Engine(30)
automaton.run(1, handler=row_handler)
self.assertEqual(0, received_iteration[0])
self.assertEqual(1, len(received_rows), "Row handler was not called")
self.assertListEqual([True, True, True], received_rows[0])
def test_rule_90_construction(self):
expected = [
[1, 1, 0],
[1, 0, 0],
[0, 1, 1],
[0, 0, 1],
]
rule = Engine.get_rule(90)
self.assertListEqual(rule, expected)
def test_rule_90_construction(self):
expected = [
[1, 1, 0],
[1, 0, 0],
[0, 1, 1],
[0, 0, 1],
]
rule = Engine.get_rule(90)
self.assertListEqual(rule, expected)
def test_tostring(self):
expected_string = """Rule 30, 10 iterations:
#
###
## #
## ####
## # #
## #### ###
## # # #
## #### ######
## # ### #
## #### ## # ###
## # # #### ## #"""
automaton = Engine(30)
automaton.run(10)
output_string = automaton.__str__()
self.assertEquals(expected_string, output_string)
def test_automaton_creation_attaches_rule(self):
expected_rule = [
[True, False, False],
[False, True, True],
[False, True, False],
[False, False, True],
]
automaton = Engine(30)
self.assertListEqual(automaton.rule, expected_rule)
def test_user_provided_iteration_handler_many_iterations(self):
received_rows = []
last_iteration = [None]
def row_handler(row, iteration):
received_rows.append(row)
last_iteration[0] = iteration
automaton = Engine(30)
automaton.run(10, handler=row_handler)
self.assertEqual(9, last_iteration[0])
self.assertEqual(
10, len(received_rows),
"Row handler was not called once for each new iteration output"
)
self.assertListEqual(
[True, True, False, False, True, False, False, False, False, True, False,
True, True, True, True, False, True, True, False, False, True],
received_rows[9]
)
def test_retrieve_iteration(self):
expected_first_row = [True]
expected_second_row = [True, True, True]
expected_third_row = [
True, True, False, False, True
]
automaton = Engine(30)
automaton.run(10)
first_row = automaton.retrieve(0)
second_row = automaton.retrieve(1)
third_row = automaton.retrieve(2)
self.assertListEqual(first_row, expected_first_row)
self.assertListEqual(second_row, expected_second_row)
self.assertListEqual(third_row, expected_third_row)