如何使用Django的assertJSONEqual来验证返回JsonResponse视图的响应 [英] How to use Django's assertJSONEqual to verify response of view returning JsonResponse
问题描述
JsonResponse
def add_item_to_collection(request):
#(...)
return JsonResponse({'status':'success'})
我想验证该视图是否返回正确使用单元测试的回复:
class AddItemToCollectionTest(TestCase):
def test_success_when_not_added_before(self):
response = self.client.post('/ add-item-to-collection')
self.assertEqual(response.status_code,200)
self.assertJSONEqual(response.content,{'状态':'success'})
然而 assertJSONEqual() code> line引发了一个例外:
错误
追溯(最近最近的呼叫):
文件E:\Projects\collecthub\app\collecthub\collecting\ test.py,第148行,在test_success_when_added_before
self.assertJSONEqual(response.content,{'status':'OK'})
文件E:\Projects\collecthub\venv\\ \\ lib\site- packages\django\test\testcases.py,第675行,assertJSONEqual
data = json.loads(raw)
文件C:\Python34\ Lib \json\__init __。py,第312行,加载
s .__类__.__ name__))
TypeError:JSON对象必须是str,而不是'bytes'
当响应包含JSON时,什么是检查响应内容的正确方法?为什么我尝试比较原始值时的类型错误?code> assertJSONEqual()?
看起来您正在使用Python 3,因此您需要在传递之前将 response.content
转换为UTF-8编码的字符串 self.assertJSONEqual
:
class AddItemToCollectionTest(TestCase):
def test_success_when_not_added_before(self):
response = self.client.post('/ add-item-to-collection')
self.assertEqual(response.status_code,200)
self.assertJSONEqual(
str(response.content,encoding ='utf8'),
{'status':'success'}
)
如果您想同时支持Python 2.7和Python 3,请使用六
兼容性库,django 船只:
from __future__ import unicode_literals
from django.utils导入6
class AddItemToCollectionTest(TestCase):
def test_success_when_not_added_before(self):
response = self.client.post('/ add-item-to-收集')
self.assertEqual(response.status_code,200)
response_content = response.content
如果six.PY3:
response_content = str(response_content,encoding ='utf8')
self.assertJSONEqual(
response_content,
{'status':'success'}
)
I'm using Python 3.4 and Django 1.7. I have a view returning JsonResponse
.
def add_item_to_collection(request):
#(...)
return JsonResponse({'status':'success'})
I want to verify if that view returns correct response using unit test:
class AddItemToCollectionTest(TestCase):
def test_success_when_not_added_before(self):
response = self.client.post('/add-item-to-collection')
self.assertEqual(response.status_code, 200)
self.assertJSONEqual(response.content, {'status': 'success'})
However the assertJSONEqual()
line raises an exception:
Error
Traceback (most recent call last):
File "E:\Projects\collecthub\app\collecthub\collecting\tests.py", line 148, in test_success_when_added_before
self.assertJSONEqual(response.content, {'status': 'OK'})
File "E:\Projects\collecthub\venv\lib\site-packages\django\test\testcases.py", line 675, in assertJSONEqual
data = json.loads(raw)
File "C:\Python34\Lib\json\__init__.py", line 312, in loads
s.__class__.__name__))
TypeError: the JSON object must be str, not 'bytes'
What is thet correct way of checking content of response, when response contains JSON? Why i get type error when i try to compare raw value agains a dict in assertJSONEqual()
?
It looks like you're working with Python 3 so you'll need to turn response.content
into a UTF-8 encoded string before passing it to self.assertJSONEqual
:
class AddItemToCollectionTest(TestCase):
def test_success_when_not_added_before(self):
response = self.client.post('/add-item-to-collection')
self.assertEqual(response.status_code, 200)
self.assertJSONEqual(
str(response.content, encoding='utf8'),
{'status': 'success'}
)
If you want to simultaneously support both Python 2.7 and Python 3, use the six
compatibility library that django ships with:
from __future__ import unicode_literals
from django.utils import six
class AddItemToCollectionTest(TestCase):
def test_success_when_not_added_before(self):
response = self.client.post('/add-item-to-collection')
self.assertEqual(response.status_code, 200)
response_content = response.content
if six.PY3:
response_content = str(response_content, encoding='utf8')
self.assertJSONEqual(
response_content,
{'status': 'success'}
)
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