import combatsim
import combatsim.exceptions as ex
import unittest

class TestTank(unittest.TestCase):
    """Tests for the combatsim package."""

    def setUp(self):
        """Called before EACH test is run."""
        # Define parameters for the tank
        armor_values = {'front' : 100, 'side' : 50, 'rear' : 25,
            'turret' : 75}
        main_gun_damage = 50
        initial_position = (0.0, 0.0)

        # Create a tank object
        self.tank = combatsim.tank.Tank(armor_values, main_gun_damage, initial_position)

    def test_get_position(self):
        """Test method get_position"""
        position = self.tank.get_position()
        self.assertEqual(position, (0.0, 0.0))
        
    def test_move(self):
        """Test method move"""
        self.tank.move(0, 1)
      ...