【第5回】Responderを使ってDjangoチュートリアルをやってみた【自動テスト導入編】

1"""
2test_question.py
3サンプルテストケース
4"""
5import pytest
6import run as myApp
7
8from datetime import datetime, timedelta
9
10from models import Question
11
12
13@pytest.fixture
14def api():
15    return myApp.api
16
17
18class TestQuestionModel:
19    def test_was_published_recently_with_future_question(self, api):
20        """
21        未来の質問に対してwas_published_recently()はFalseを返すはずである
22        :param api:
23        :return:
24        """
25        # 未来の公開日となる質問を作成
26        time = datetime.now() + timedelta(days=30)
27        feature_question = Question('future_question', pub_date=time)
28
29        # これはFalseとなるはず
30        assert feature_question.was_published_recently() is False

1@pytest.fixture 
2def api():
3    return myApp.api

1User@User:responder$ pytest

1============================= test session starts ==============================
2platform darwin -- Python 3.7.4, pytest-5.0.1, py-1.8.0, pluggy-0.12.0
3rootdir: /Users/araki/PycharmProjects/responder
4collected 1 item                                                               
5
6test_question.py F                                                       [100%]
7
8=================================== FAILURES ===================================
9______ TestQuestionModel.test_was_published_recently_with_future_question ______
10
11self = <test_question.TestQuestionModel object at 0x105d341d0>
12api = <responder.api.API object at 0x104362e90>
13
14    def test_was_published_recently_with_future_question(self, api):
15        """
16        未来の質問に対してwas_published_recently()はFalseを返すはずである
17        :param api:
18        :return:
19        """
20        # 未来の公開日となる質問を作成
21        time = datetime.now() + timedelta(days=30)
22        feature_question = Question('future_question', pub_date=time)
23    
24        # これはFalseとなるはず
25>       assert feature_question.was_published_recently() is False
26E       assert True is False
27E        +  where True = <bound method Question.was_published_recently of <models.Question object at 0x105d34f10>>()
28E        +    where <bound method Question.was_published_recently of <models.Question object at 0x105d34f10>> = <models.Question object at 0x105d34f10>.was_published_recently
29
30test_question.py:30: AssertionError
31=============================== warnings summary ===============================
32
33# ~~~ 省略 ~~~ #
34
35-- Docs: https://docs.pytest.org/en/latest/warnings.html
36===================== 1 failed, 3 warnings in 0.56 seconds =====================

1class Question(Base):
2
3    def was_published_recently(self, days=1):
4        """
5        最近追加された質問に対してTrueを返す関数
6        :return:
7        """
8        now = datetime.now()
9        return now - timedelta(days=days) <= self.pub_date <= now

1============================= test session starts ==============================
2platform darwin -- Python 3.7.4, pytest-5.0.1, py-1.8.0, pluggy-0.12.0
3rootdir: /Users/araki/PycharmProjects/responder
4collected 1 item                                                               
5
6test_question.py .                                                       [100%]
7
8=============================== warnings summary ===============================
9
10# ~~~ 省略 ~~~ #
11
12-- Docs: https://docs.pytest.org/en/latest/warnings.html
13===================== 1 passed, 3 warnings in 0.44 seconds =====================

1    def test_was_published_recently_with_boundary_question(self, api):
2        """
3        == 境界値テスト ==
4        １日１秒前の質問に対してはwas_published_recently()はFalseを返すはずである
5        また，23時間59分59秒以内であればwas_published_recently()はTrueを返すはずである
6        :param api:
7        :return:
8        """
9        # 最近の境界値となる質問を作成
10        time_old = datetime.now() - timedelta(days=1)
11        time_res = datetime.now() - timedelta(hours=23, minutes=59, seconds=59)
12        old_question = Question('old_question', time_old)
13        res_question = Question('resent_question', time_res)
14
15        assert old_question.was_published_recently() is False
16        assert res_question.was_published_recently() is True

1============================= test session starts ==============================
2platform darwin -- Python 3.7.4, pytest-5.0.1, py-1.8.0, pluggy-0.12.0
3rootdir: /Users/araki/PycharmProjects/responder
4collected 2 items                                                              
5
6test_question.py ..                                                      [100%]
7
8=============================== warnings summary ===============================
9
10# ~~~ 省略 ~~~ #
11
12-- Docs: https://docs.pytest.org/en/latest/warnings.html
13===================== 2 passed, 3 warnings in 0.47 seconds =====================

1    def get_queryset(self, latest=5):
2        """
3        最新latest個の質問を返す
4        :param latest:
5        :return:
6        """
7        # 公開日の大きいものでソートして取得
8        # filter()で現在日時より小さいものを取得する
9        questions = db.session.query(Question).\
10            filter(Question.pub_date <= datetime.now()).order_by(Question.pub_date.desc()).all()
11
12        db.session.close()
13
14        return questions[:latest]

1@api.route('/detail/{q_id}')
2class Detail:
3    async def on_get(self, req, resp, q_id):
4        db.session.close()
5
6        question = db.session.query(Question).filter(Question.id == q_id).first()
7        choices = db.session.query(Choice).filter(Choice.question == q_id).all()
8        db.session.close()
9
10        # New! 公開日前の日付なら404リダイレクト
11        if question.pub_date > datetime.now():
12            resp.content = self.template('404.html')
13
14        resp.content = api.template('/detail.html', question=question, choices=choices)