Tirsvad
ca65ba7830
Copied unchanged from the base: class Scoreboard(Turtle) with update_scoreboard, increase_score and game_over. MIL-003 checks the values against the day-21 lectures. Task: MIL-002#4 Closes #11
86 lines
2.4 KiB
Python
86 lines
2.4 KiB
Python
"""Tests of the scoreboard, with a fake `Turtle` as its base class."""
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import importlib
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import sys
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import pytest
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from fakes import install_fake_turtle, make_scoreboard
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from snake_game import constants
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START_TEXT = ("write", ("Score: 0", "center", ("Arial", 24, "normal")))
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def test_scoreboard_is_white_hidden_and_at_the_top_centre(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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scoreboard = make_scoreboard(monkeypatch)
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assert ("color", ("white",)) in scoreboard.calls
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assert "penup" in scoreboard.call_names()
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assert "hideturtle" in scoreboard.call_names()
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assert ("goto", constants.SCOREBOARD_POSITION) in scoreboard.calls
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def test_scoreboard_inherits_from_turtle(monkeypatch: pytest.MonkeyPatch) -> None:
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install_fake_turtle(monkeypatch)
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module = importlib.import_module("snake_game.scoreboard")
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assert issubclass(module.Scoreboard, sys.modules["turtle"].Turtle)
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def test_scoreboard_starts_by_writing_score_0_centred_in_arial_24(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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scoreboard = make_scoreboard(monkeypatch)
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assert scoreboard.calls[-1] == START_TEXT
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def test_increase_score_wipes_the_old_text_and_writes_the_new_score(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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scoreboard = make_scoreboard(monkeypatch)
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scoreboard.increase_score()
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assert scoreboard.call_names()[-2:] == ["clear", "write"]
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assert scoreboard.calls[-1] == (
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"write",
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("Score: 1", "center", ("Arial", 24, "normal")),
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)
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def test_every_food_adds_one_to_the_score(monkeypatch: pytest.MonkeyPatch) -> None:
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scoreboard = make_scoreboard(monkeypatch)
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for _ in range(3):
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scoreboard.increase_score()
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assert scoreboard.calls[-1][1][0] == "Score: 3"
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def test_game_over_writes_the_text_at_the_centre_in_the_scoreboard_font(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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scoreboard = make_scoreboard(monkeypatch)
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scoreboard.game_over()
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assert scoreboard.calls[-2:] == [
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("goto", constants.GAME_OVER_POSITION),
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("write", ("GAME OVER", "center", ("Arial", 24, "normal"))),
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]
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def test_game_over_leaves_the_score_on_the_screen(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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scoreboard = make_scoreboard(monkeypatch)
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scoreboard.increase_score()
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calls_before = len(scoreboard.calls)
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scoreboard.game_over()
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assert "clear" not in scoreboard.call_names()[calls_before:]
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