[英]Writing a test for a Django View get_context_data() method
我正在為View編寫測試,我在其中更新上下文以將其他信息傳遞給模板。
在編寫測試時,我無法從RequestFactory訪問上下文。
class PlanListView(HasBillingRightsMixin, ListView):
"""Show the Plans for user to select."""
headline = "Select a Plan"
model = Plan
template_name = "billing/plan_list.html"
def get_context_data(self, *args, **kwargs):
context = super(PlanListView, self).get_context_data(**kwargs)
context.update({
"customer": self.get_customer()
})
return context
class TestPlanListView(BaseTestBilling):
def setUp(self):
super(TestPlanListView, self).setUp()
request = self.factory.get('billing:plan_list')
request.user = self.user
request.company_uuid = self.user.company_uuid
self.view = PlanListView()
self.view.request = request
self.response = PlanListView.as_view()(request)
def test_get_context_data(self, **kwargs):
context = super(self.view, self).get_context_data(**kwargs)
context.update({"customer": self.view.get_customer()})
self.assertEqual(
self.view.get_context_data(),
context
)
如何測試視圖的get_context_data()方法?
使用測試客戶端可以訪問您的上下文。
def test_context(self):
# GET response using the test client.
response = self.client.get('/list/ofitems/')
# response.context['your_context']
self.assertIsNone(response.context['page_obj'])
self.assertIsNone(response.context['customer']) # or whatever assertion.
.....
如果您不想測試完整的瀏覽器行為,則可以使用RequestFactory
。 此工廠提供了一個可以傳遞給視圖的請求實例。 在我的情況下的好處是,我可以將單個視圖功能測試為黑盒子,具有完全已知的輸入,測試特定輸出。 正如文檔中所述。
class TestView(TemplateView):
template_name = 'base.html'
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context = {'1': 11337}
return context
# ...
def test_context(self):
factory = RequestFactory()
request = factory.get('/customer/details')
response = TestView.as_view()(request)
self.assertIsInstance(response.context_data, dict)
self.assertEqual(response.context_data['1'], 1337)
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