diff options
Diffstat (limited to 'docs/intro/tutorial05.txt')
| -rw-r--r-- | docs/intro/tutorial05.txt | 49 |
1 files changed, 25 insertions, 24 deletions
diff --git a/docs/intro/tutorial05.txt b/docs/intro/tutorial05.txt index 8eff8bf9d4..2e218bd331 100644 --- a/docs/intro/tutorial05.txt +++ b/docs/intro/tutorial05.txt @@ -183,7 +183,6 @@ Put the following in the ``tests.py`` file in the ``polls`` application: class QuestionModelTests(TestCase): - def test_was_published_recently_with_future_question(self): """ was_published_recently() returns False for questions whose pub_date @@ -312,6 +311,7 @@ more comprehensively: old_question = Question(pub_date=time) self.assertIs(old_question.was_published_recently(), False) + def test_was_published_recently_with_recent_question(self): """ was_published_recently() returns True for questions whose pub_date @@ -393,7 +393,7 @@ With that ready, we can ask the client to do some work for us: .. code-block:: pycon >>> # get a response from '/' - >>> response = client.get('/') + >>> response = client.get("/") Not Found: / >>> # we should expect a 404 from that address; if you instead see an >>> # "Invalid HTTP_HOST header" error and a 400 response, you probably @@ -403,12 +403,12 @@ With that ready, we can ask the client to do some work for us: >>> # on the other hand we should expect to find something at '/polls/' >>> # we'll use 'reverse()' rather than a hardcoded URL >>> from django.urls import reverse - >>> response = client.get(reverse('polls:index')) + >>> response = client.get(reverse("polls:index")) >>> response.status_code 200 >>> response.content b'\n <ul>\n \n <li><a href="/polls/1/">What's up?</a></li>\n \n </ul>\n\n' - >>> response.context['latest_question_list'] + >>> response.context["latest_question_list"] <QuerySet [<Question: What's up?>]> Improving our view @@ -424,12 +424,12 @@ based on :class:`~django.views.generic.list.ListView`: :caption: ``polls/views.py`` class IndexView(generic.ListView): - template_name = 'polls/index.html' - context_object_name = 'latest_question_list' + template_name = "polls/index.html" + context_object_name = "latest_question_list" def get_queryset(self): """Return the last five published questions.""" - return Question.objects.order_by('-pub_date')[:5] + return Question.objects.order_by("-pub_date")[:5] We need to amend the ``get_queryset()`` method and change it so that it also checks the date by comparing it with ``timezone.now()``. First we need to add @@ -450,9 +450,9 @@ and then we must amend the ``get_queryset`` method like so: Return the last five published questions (not including those set to be published in the future). """ - return Question.objects.filter( - pub_date__lte=timezone.now() - ).order_by('-pub_date')[:5] + return Question.objects.filter(pub_date__lte=timezone.now()).order_by("-pub_date")[ + :5 + ] ``Question.objects.filter(pub_date__lte=timezone.now())`` returns a queryset containing ``Question``\s whose ``pub_date`` is less than or equal to - that @@ -496,10 +496,10 @@ class: """ If no questions exist, an appropriate message is displayed. """ - response = self.client.get(reverse('polls:index')) + response = self.client.get(reverse("polls:index")) self.assertEqual(response.status_code, 200) self.assertContains(response, "No polls are available.") - self.assertQuerySetEqual(response.context['latest_question_list'], []) + self.assertQuerySetEqual(response.context["latest_question_list"], []) def test_past_question(self): """ @@ -507,9 +507,9 @@ class: index page. """ question = create_question(question_text="Past question.", days=-30) - response = self.client.get(reverse('polls:index')) + response = self.client.get(reverse("polls:index")) self.assertQuerySetEqual( - response.context['latest_question_list'], + response.context["latest_question_list"], [question], ) @@ -519,9 +519,9 @@ class: the index page. """ create_question(question_text="Future question.", days=30) - response = self.client.get(reverse('polls:index')) + response = self.client.get(reverse("polls:index")) self.assertContains(response, "No polls are available.") - self.assertQuerySetEqual(response.context['latest_question_list'], []) + self.assertQuerySetEqual(response.context["latest_question_list"], []) def test_future_question_and_past_question(self): """ @@ -530,9 +530,9 @@ class: """ question = create_question(question_text="Past question.", days=-30) create_question(question_text="Future question.", days=30) - response = self.client.get(reverse('polls:index')) + response = self.client.get(reverse("polls:index")) self.assertQuerySetEqual( - response.context['latest_question_list'], + response.context["latest_question_list"], [question], ) @@ -542,9 +542,9 @@ class: """ question1 = create_question(question_text="Past question 1.", days=-30) question2 = create_question(question_text="Past question 2.", days=-5) - response = self.client.get(reverse('polls:index')) + response = self.client.get(reverse("polls:index")) self.assertQuerySetEqual( - response.context['latest_question_list'], + response.context["latest_question_list"], [question2, question1], ) @@ -584,6 +584,7 @@ we need to add a similar constraint to ``DetailView``: class DetailView(generic.DetailView): ... + def get_queryset(self): """ Excludes any questions that aren't published yet. @@ -603,8 +604,8 @@ is not: The detail view of a question with a pub_date in the future returns a 404 not found. """ - future_question = create_question(question_text='Future question.', days=5) - url = reverse('polls:detail', args=(future_question.id,)) + future_question = create_question(question_text="Future question.", days=5) + url = reverse("polls:detail", args=(future_question.id,)) response = self.client.get(url) self.assertEqual(response.status_code, 404) @@ -613,8 +614,8 @@ is not: The detail view of a question with a pub_date in the past displays the question's text. """ - past_question = create_question(question_text='Past Question.', days=-5) - url = reverse('polls:detail', args=(past_question.id,)) + past_question = create_question(question_text="Past Question.", days=-5) + url = reverse("polls:detail", args=(past_question.id,)) response = self.client.get(url) self.assertContains(response, past_question.question_text) |