def test_set_cell_value(self, mock_stdin):
mock_stdin.return_value = 'a'
env = BFEnvironment()
env.current_cell = ord("c")
gc_command = SetCellValueCommand(env)
gc_command.execute()
self.assertEqual(env.current_cell, ord("a"))
def test_jump_condition_false(self):
env = BFEnvironment()
bf_command_companion, bf_command_no_jump = BFBranchCommand(
env, no_jump=1), 2
env.current_cell = 0
b_command = BFBranchCommand(env,
companion=bf_command_companion,
no_jump=bf_command_no_jump)
self.assertEqual(b_command.next, 2)
def test_next_false_command(self):
env = BFEnvironment()
bf_command_companion, bf_command_no_jump = OpenBranchCommand(
env, no_jump=1), 2
env.current_cell = 0
cb_command = ClosingBranchCommand(env,
companion=bf_command_companion,
no_jump=bf_command_no_jump)
self.assertEqual(cb_command.next, 2)
def test_branch_condition_true(self):
env = BFEnvironment()
env.current_cell = 1
b_command = BFBranchCommand(env)
self.assertTrue(b_command.branch_condition())
def test_get_cell_value(self, mock_stdout):
env = BFEnvironment()
env.current_cell = ord("a")
gc_command = GetCellValueCommand(env)
gc_command.execute()
self.assertEqual(mock_stdout.getvalue(), "a")
