Add the Scoreboard and the game over message

Task: MIL-006#1
Task: MIL-006#2
Task: MIL-006#3

tests/test_car_shape.py

@@ -1,5 +1,7 @@
 """Tests for the car drawing."""
 
+from turtle import TurtleScreen
+
 from car_shape import car_components, register_car_shapes, shape_name
 from constants import CAR_HEIGHT, CAR_LENGTH, COLORS
 
@@ -23,6 +25,6 @@ def test_body_and_cabin_use_the_car_colour() -> None:
     assert fills.count("green") == 2
 
 
-def test_register_car_shapes_adds_one_shape_per_colour(screen) -> None:
+def test_register_car_shapes_adds_one_shape_per_colour(screen: TurtleScreen) -> None:
     register_car_shapes(screen)
     assert all(shape_name(color) in screen.getshapes() for color in COLORS)

tests/test_player.py

@@ -1,48 +1,50 @@
-"""Tests for the Player class (need a display; skipped without one)."""
-
-import pytest
-
-from constants import FINISH_LINE_Y, MOVE_DISTANCE, STARTING_POSITION
-from player import Player
-
-
-@pytest.fixture
-def player(screen) -> Player:
-    new_player = Player()
-    yield new_player
-    new_player.hideturtle()
-
-
-def test_player_starts_at_starting_position(player: Player) -> None:
-    assert player.position() == STARTING_POSITION
-
-
-def test_player_faces_north(player: Player) -> None:
-    assert player.heading() == 90
-
-
-def test_go_up_moves_forward_by_move_distance(player: Player) -> None:
-    start_y = player.ycor()
-    player.go_up()
-    assert player.ycor() == start_y + MOVE_DISTANCE
-
-
-def test_player_is_not_at_finish_line_at_start(player: Player) -> None:
-    assert not player.is_at_finish_line()
-
-
-def test_player_is_at_finish_line_above_finish_y(player: Player) -> None:
-    player.goto(0, FINISH_LINE_Y + 1)
-    assert player.is_at_finish_line()
-
-
-def test_go_to_start_returns_to_starting_position(player: Player) -> None:
-    player.goto(0, FINISH_LINE_Y + 1)
-    player.go_to_start()
-    assert player.position() == STARTING_POSITION
-
-
-def test_go_up_never_moves_sideways(player: Player) -> None:
-    for _ in range(5):
-        player.go_up()
-    assert player.xcor() == pytest.approx(STARTING_POSITION[0])
+"""Tests for the Player class (need a display; skipped without one)."""
+
+from turtle import TurtleScreen
+
+import pytest
+
+from constants import FINISH_LINE_Y, MOVE_DISTANCE, STARTING_POSITION
+from player import Player
+
+
+@pytest.fixture
+def player(screen: TurtleScreen) -> Player:
+    new_player = Player()
+    yield new_player
+    new_player.hideturtle()
+
+
+def test_player_starts_at_starting_position(player: Player) -> None:
+    assert player.position() == STARTING_POSITION
+
+
+def test_player_faces_north(player: Player) -> None:
+    assert player.heading() == 90
+
+
+def test_go_up_moves_forward_by_move_distance(player: Player) -> None:
+    start_y = player.ycor()
+    player.go_up()
+    assert player.ycor() == start_y + MOVE_DISTANCE
+
+
+def test_player_is_not_at_finish_line_at_start(player: Player) -> None:
+    assert not player.is_at_finish_line()
+
+
+def test_player_is_at_finish_line_above_finish_y(player: Player) -> None:
+    player.goto(0, FINISH_LINE_Y + 1)
+    assert player.is_at_finish_line()
+
+
+def test_go_to_start_returns_to_starting_position(player: Player) -> None:
+    player.goto(0, FINISH_LINE_Y + 1)
+    player.go_to_start()
+    assert player.position() == STARTING_POSITION
+
+
+def test_go_up_never_moves_sideways(player: Player) -> None:
+    for _ in range(5):
+        player.go_up()
+    assert player.xcor() == pytest.approx(STARTING_POSITION[0])

tests/test_scoreboard.py

@@ -0,0 +1,36 @@
+"""@file test_scoreboard.py
+@brief Tests for the Scoreboard.
+"""
+
+from turtle import TurtleScreen
+
+from scoreboard import Scoreboard
+
+
+def test_level_starts_at_one(screen: TurtleScreen) -> None:
+    assert Scoreboard().level == 1
+
+
+def test_level_text_shows_level_one_at_start(screen: TurtleScreen) -> None:
+    assert Scoreboard().level_text == "Level: 1"
+
+
+def test_level_text_follows_level() -> None:
+    board = Scoreboard.__new__(Scoreboard)
+    board.level = 7
+    assert board.level_text == "Level: 7"
+
+
+def test_increase_level_adds_one(screen: TurtleScreen) -> None:
+    board = Scoreboard()
+    board.increase_level()
+    assert board.level == 2
+    assert board.level_text == "Level: 2"
+
+
+def test_game_over_keeps_level(screen: TurtleScreen) -> None:
+    board = Scoreboard()
+    board.increase_level()
+    board.game_over()
+    assert board.level == 2
+    assert board.position() == (0, 0)