PySide6 実践講座 #7 テスト — pytest-qt と層別テスト戦略

# tests/test_stats.py
from datetime import date

from daily.core.stats import completion_rate, current_streak


def test_今日チェック済みなら今日から連続():
    checked = {"2026-09-28", "2026-09-29", "2026-09-30"}
    assert current_streak(checked, today=date(2026, 9, 30)) == 3


def test_今日まだなら昨日までで計算():
    checked = {"2026-09-28", "2026-09-29"}
    assert current_streak(checked, today=date(2026, 9, 30)) == 2


def test_途中に穴があればそこで切れる():
    checked = {"2026-09-27", "2026-09-29", "2026-09-30"}
    assert current_streak(checked, today=date(2026, 9, 30)) == 2


def test_達成率は期間全体に対する割合():
    checked = {"2026-09-29", "2026-09-30"}
    rate = completion_rate(checked, date(2026, 9, 27), date(2026, 9, 30))
    assert rate == 0.5

# tests/test_repository.py
from datetime import date

import pytest

from daily.data.repository import HabitRepository


@pytest.fixture
def repo(tmp_path):
    return HabitRepository(tmp_path / "test.db")


def test_習慣の追加と一覧(repo):
    repo.add_habit("運動")
    habits = repo.active_habits()
    assert [h.name for h in habits] == ["運動"]


def test_同じ日の重複チェックは一度だけ(repo):
    habit_id = repo.add_habit("読書")
    repo.set_checked(habit_id, date(2026, 9, 30), True)
    repo.set_checked(habit_id, date(2026, 9, 30), True)   # 重複
    assert repo.checked_days(habit_id) == {"2026-09-30"}


def test_アーカイブした習慣は一覧から消える(repo):
    habit_id = repo.add_habit("瞑想")
    repo.archive_habit(habit_id)
    assert repo.active_habits() == []

# tests/test_today_model.py
from datetime import date

from PySide6.QtCore import Qt

from daily.data.repository import HabitRepository
from daily.ui.today_model import TodayModel


def make_model(tmp_path) -> TodayModel:
    repo = HabitRepository(tmp_path / "t.db")
    repo.add_habit("運動")
    return TodayModel(repo)


def test_モデルは習慣の数だけ行を持つ(qtbot, tmp_path):
    model = make_model(tmp_path)
    assert model.rowCount() == 1
    index = model.index(0, 0)
    assert model.data(index, Qt.ItemDataRole.DisplayRole) == "運動"


def test_チェックのトグルが_DB_まで届く(qtbot, tmp_path):
    model = make_model(tmp_path)
    index = model.index(0, 0)

    with qtbot.waitSignal(model.dataChanged):     # シグナルの発火を検証
        model.setData(index, Qt.CheckState.Checked.value,
                      Qt.ItemDataRole.CheckStateRole)

    assert model.data(index, Qt.ItemDataRole.CheckStateRole) == Qt.CheckState.Checked
    assert date.today().isoformat() in model._repo.checked_days(1)

def test_追加ボタンがダイアログを開く(qtbot, tmp_path, monkeypatch):
    from daily.ui.today_page import TodayPage
    from PySide6.QtWidgets import QInputDialog

    model = make_model(tmp_path)
    page = TodayPage(model)
    qtbot.addWidget(page)                          # 後始末を qtbot に委任

    monkeypatch.setattr(QInputDialog, "getText",
                        staticmethod(lambda *a, **k: ("ストレッチ", True)))
    qtbot.mouseClick(page.add_button, Qt.MouseButton.LeftButton)

    assert model.rowCount() == 2