Files
031-flash-card/tests/e2e/test_flash_card_window.py
Tirsvad b3c5116110 MIL-006: Spoken Malay word
Review record RC-028 (Go, autonomous mode, not independent).

Task: MIL-006#1
Task: MIL-006#2
Task: MIL-006#3
Task: MIL-006#4
Task: MIL-006#5
2026-10-14 22:39:36 +08:00

357 lines
11 KiB
Python

"""End-to-end tests of the flash card window.
@file test_flash_card_window.py
@brief Builds the real window with Tk and checks it against the wireframe.
"""
import time
import tkinter as tk
from collections.abc import Callable, Iterator, Sequence
from pathlib import Path
import pytest
from flash_card.application.use_cases.open_study_session import open_study_session
from flash_card.application.use_cases.study_session import StudySession
from flash_card.constants import (
BACK_TEXT_COLOR,
BACKGROUND_COLOR,
CARD_HEIGHT,
CARD_WIDTH,
FINISHED_MESSAGE,
FLIP_DELAY_MS,
FRONT_TEXT_COLOR,
LANGUAGE_FONT,
WINDOW_PADDING,
WINDOW_TITLE,
WORD_FONT,
)
from flash_card.domain.entities.card import Card
from flash_card.domain.entities.deck import Deck
from flash_card.domain.value_objects.language_pair import LanguagePair
from flash_card.infrastructure.persistence.csv_progress_repository import (
CsvProgressRepository,
)
from flash_card.infrastructure.persistence.csv_vocabulary_repository import (
CsvVocabularyRepository,
)
from flash_card.infrastructure.speech.null_speech import NullSpeech
from flash_card.presentation.features.flash_card import flash_card_view
from flash_card.presentation.features.flash_card.flash_card_view import FlashCardView
from flash_card.presentation.features.flash_card.flash_card_view_model import (
FlashCardViewModel,
)
CARDS = (Card("aku", "mig"), Card("kau", "du"), Card("ini", "denne"))
def _first(cards: Sequence[Card]) -> Card:
return cards[0]
class _MemoryProgress:
"""Progress store that keeps nothing: the shared window never deletes cards."""
def load(self) -> Deck | None:
return None
def save(self, deck: Deck) -> None:
return None
class _RecordingSpeech:
"""Speech port that records what would have been spoken."""
def __init__(self) -> None:
self.spoken: list[tuple[str, str]] = []
def speak(self, text: str, language_code: str) -> None:
self.spoken.append((text, language_code))
SPEECH = _RecordingSpeech()
def _build_view(root: tk.Tk) -> FlashCardView:
deck = Deck(LanguagePair("ms", "da"), CARDS)
session = StudySession(deck, _first, _MemoryProgress(), SPEECH)
return FlashCardView(root, FlashCardViewModel(session))
def _shown(view: FlashCardView) -> tuple[str, str]:
return (
str(view.canvas.itemcget(view.language_text_id, "text")),
str(view.canvas.itemcget(view.word_text_id, "text")),
)
@pytest.fixture(scope="module")
def window() -> Iterator[tuple[tk.Tk, FlashCardView]]:
# One Tk per module: a second interpreter right after destroying the
# first fails to find init.tcl on some Windows Python installs.
try:
root = tk.Tk()
except tk.TclError:
pytest.skip("no display available for Tk")
view = _build_view(root)
root.update_idletasks()
yield root, view
root.destroy()
def test_window_has_title_background_and_padding(
window: tuple[tk.Tk, FlashCardView],
) -> None:
root, _view = window
assert root.title() == WINDOW_TITLE
assert root.cget("bg") == BACKGROUND_COLOR
assert int(str(root.cget("padx"))) == WINDOW_PADDING
assert int(str(root.cget("pady"))) == WINDOW_PADDING
def test_canvas_has_card_size_and_spans_two_columns(
window: tuple[tk.Tk, FlashCardView],
) -> None:
_root, view = window
assert int(str(view.canvas.cget("width"))) == CARD_WIDTH
assert int(str(view.canvas.cget("height"))) == CARD_HEIGHT
info = view.canvas.grid_info()
assert (int(info["row"]), int(info["column"])) == (0, 0)
assert int(info["columnspan"]) == 2
def test_canvas_holds_one_image_and_two_texts(
window: tuple[tk.Tk, FlashCardView],
) -> None:
_root, view = window
types = [view.canvas.type(item) for item in view.canvas.find_all()]
assert types.count("image") == 1
assert types.count("text") == 2
assert len(types) == 3
def test_texts_show_first_card_with_font_and_colour(
window: tuple[tk.Tk, FlashCardView],
) -> None:
_root, view = window
canvas = view.canvas
expected = [
(view.language_text_id, "Malay", LANGUAGE_FONT),
(view.word_text_id, "aku", WORD_FONT),
]
for item, text, font in expected:
assert canvas.itemcget(item, "text") == text
assert canvas.itemcget(item, "fill") == FRONT_TEXT_COLOR
family, size, style = font
assert canvas.itemcget(item, "font").split() == [family, str(size), style]
def test_buttons_sit_in_row_one_with_their_images(
window: tuple[tk.Tk, FlashCardView],
) -> None:
_root, view = window
wrong = view.wrong_button.grid_info()
right = view.right_button.grid_info()
assert (int(wrong["row"]), int(wrong["column"])) == (1, 0)
assert (int(right["row"]), int(right["column"])) == (1, 1)
wrong_image = str(view.wrong_button.cget("image"))
right_image = str(view.right_button.cget("image"))
assert wrong_image
assert right_image
assert wrong_image != right_image
assert str(view.wrong_button.cget("command"))
assert str(view.right_button.cget("command"))
def test_wrong_button_press_shows_next_card(
window: tuple[tk.Tk, FlashCardView],
) -> None:
_root, view = window
assert _shown(view) == ("Malay", "aku")
view.wrong_button.invoke()
assert _shown(view) == ("Malay", "kau")
view.wrong_button.invoke()
assert _shown(view) == ("Malay", "aku")
def _word(view: FlashCardView) -> str:
return _shown(view)[1]
def _image(view: FlashCardView) -> str:
return str(view.canvas.itemcget(view.image_id, "image"))
def _fill(view: FlashCardView) -> tuple[str, str]:
return (
str(view.canvas.itemcget(view.language_text_id, "fill")),
str(view.canvas.itemcget(view.word_text_id, "fill")),
)
def _reset(root: tk.Tk, view: FlashCardView) -> None:
"""Show a fresh front with no pending timer."""
view.next_card()
if view.flip_timer is not None:
root.after_cancel(view.flip_timer)
view.flip_timer = None
def test_front_state_uses_front_image_black_text_and_front_language(
window: tuple[tk.Tk, FlashCardView],
) -> None:
root, view = window
_reset(root, view)
assert _image(view) == str(view.card_front_image)
assert _fill(view) == (FRONT_TEXT_COLOR, FRONT_TEXT_COLOR)
assert _shown(view)[0] == "Malay"
assert _word(view) in {card.front for card in CARDS}
def test_flip_card_shows_back_image_white_text_and_translation(
window: tuple[tk.Tk, FlashCardView],
) -> None:
root, view = window
_reset(root, view)
front = _word(view)
view.flip_card()
translations = {card.front: card.back for card in CARDS}
assert _image(view) == str(view.card_back_image)
assert _image(view) != str(view.card_front_image)
assert _fill(view) == (BACK_TEXT_COLOR, BACK_TEXT_COLOR)
assert _shown(view) == ("Danish", translations[front])
assert view.flip_timer is None
def test_next_card_after_flip_shows_front_again(
window: tuple[tk.Tk, FlashCardView],
) -> None:
root, view = window
_reset(root, view)
view.flip_card()
view.wrong_button.invoke()
assert _image(view) == str(view.card_front_image)
assert _fill(view) == (FRONT_TEXT_COLOR, FRONT_TEXT_COLOR)
assert _shown(view)[0] == "Malay"
_reset(root, view)
def test_next_card_cancels_pending_timer_and_schedules_flip(
window: tuple[tk.Tk, FlashCardView],
monkeypatch: pytest.MonkeyPatch,
) -> None:
root, view = window
_reset(root, view)
calls: list[tuple[str, object]] = []
def fake_after(delay: int, callback: Callable[[], None]) -> str:
calls.append(("after", (delay, callback)))
return "timer-id"
def fake_cancel(timer_id: str) -> None:
calls.append(("cancel", timer_id))
monkeypatch.setattr(root, "after", fake_after, raising=False)
monkeypatch.setattr(root, "after_cancel", fake_cancel, raising=False)
view.flip_timer = "old-id"
view.next_card()
assert calls == [
("cancel", "old-id"),
("after", (FLIP_DELAY_MS, view.flip_card)),
]
assert view.flip_timer == "timer-id"
view.flip_timer = None
def test_real_timer_flips_card_after_delay(
window: tuple[tk.Tk, FlashCardView],
monkeypatch: pytest.MonkeyPatch,
) -> None:
root, view = window
monkeypatch.setattr(flash_card_view, "FLIP_DELAY_MS", 50)
view.next_card()
assert _image(view) == str(view.card_front_image)
deadline = time.monotonic() + 2
while view.flip_timer is not None and time.monotonic() < deadline:
root.update()
time.sleep(0.005)
assert view.flip_timer is None
assert _image(view) == str(view.card_back_image)
assert _shown(view)[0] == "Danish"
_reset(root, view)
HEADER_ONLY = "ms;da\n"
@pytest.fixture
def files_view(
window: tuple[tk.Tk, FlashCardView], tmp_path: Path
) -> Iterator[tuple[FlashCardView, Path]]:
"""A second view on the shared root, over real repositories in tmp_path."""
root, _shared = window
words = tmp_path / "words.csv"
words.write_text("ms;da\naku;mig\nkau;du\nini;denne\n", encoding="utf-8")
progress = tmp_path / "words_to_learn.csv"
session = open_study_session(
CsvVocabularyRepository(words),
CsvProgressRepository(progress),
NullSpeech(),
_first,
)
view = FlashCardView(root, FlashCardViewModel(session))
yield view, progress
if view.flip_timer is not None:
root.after_cancel(view.flip_timer)
for widget in (view.canvas, view.wrong_button, view.right_button):
widget.destroy()
def _saved(progress: Path) -> str:
return progress.read_bytes().decode("utf-8-sig")
def test_right_button_removes_card_and_writes_progress_file(
files_view: tuple[FlashCardView, Path],
) -> None:
view, progress = files_view
assert _shown(view) == ("Malay", "aku")
view.right_button.invoke()
assert _shown(view) == ("Malay", "kau")
assert _saved(progress) == "ms;da\nkau;du\nini;denne\n"
def test_wrong_button_shows_next_card_and_leaves_progress_file_absent(
files_view: tuple[FlashCardView, Path],
) -> None:
view, progress = files_view
view.wrong_button.invoke()
assert _shown(view) == ("Malay", "kau")
assert not progress.exists()
def test_buttons_do_nothing_visible_when_finished(
files_view: tuple[FlashCardView, Path],
) -> None:
view, progress = files_view
for _ in range(3):
view.right_button.invoke()
assert _shown(view) == ("", FINISHED_MESSAGE)
assert view.flip_timer is None
assert _saved(progress) == HEADER_ONLY
view.right_button.invoke()
view.wrong_button.invoke()
assert _shown(view) == ("", FINISHED_MESSAGE)
assert view.flip_timer is None
assert _saved(progress) == HEADER_ONLY
def test_button_press_speaks_the_malay_word_of_the_shown_card(
window: tuple[tk.Tk, FlashCardView],
) -> None:
root, view = window
SPEECH.spoken.clear()
view.wrong_button.invoke()
assert SPEECH.spoken == [(_word(view), "ms")]
_reset(root, view)