How to use Django's APIRequestFactory with an array of objects?

Question

I have the following test

def test_bulk_post(my_faker,factory):
    snippets = [{'code':'print(True)'},{'code':'print(True)'},{'code':'print(True)'}]
    assert factory.post('/snippets/',snippets) == True

I am trying to extend the snippets app in the tutorial to accept multiple code objects in a single post request.

Right now this gives me:

/venv/lib/python3.8/site-packages/django/test/client.py(244)encode_multipart()

*** AttributeError: 'list' object has no attribute 'items'

so its not expecting a list.. But I want to give it one. How do I do that?

What exactly do you mean by array of objects, are you trying to send JSON ? — iklinac
– iklinac, Commented Feb 18, 2021 at 1:07
@iklinac see that array in my snippets variable? Those are what I hope to make into Snippet objects. I would like to post them all at once rather than 1 by 1. I also tried doing json.dumps(snippets) but then I get *** AttributeError: 'str' object has no attribute 'items' — BigBoy1337
– BigBoy1337, Commented Feb 18, 2021 at 1:11
This does not look like form encoded data, that is why I am asking if you are trying to POST them as JSON body — iklinac
– iklinac, Commented Feb 18, 2021 at 1:15
@iklinac. yes I am trying to post them as a json body. I believe thats what the APIRequestFactory's .post() method will do, though Im basically not sure how to use this .post() method with an array like what I have. Does that clarify the question? — BigBoy1337
– BigBoy1337, Commented Feb 18, 2021 at 1:33

iklinac · Accepted Answer · 2021-02-18 01:41:07Z

1

factory.post by default expects a key, value pairs that goes with multipart/form-data and not list hence error

You should probably set content_type='application/json' to pass data as JSON body

factory.post('/snippets/',snippets, content_type='application/json )

answered Feb 18, 2021 at 1:41

iklinac

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2 Comments

BigBoy1337 Over a year ago

Thanks for this. It looks like you can also specify format='json' rather than the content_type. I was confused especially because its hard to find documentation on the APIRequestFactory, but it seems like the api client methods kinda of work the same way? django-rest-framework.org/api-guide/testing

iklinac Over a year ago

Yes, it works in similar fashion but without the actual request being made, in a moment I though you were using Django RequestFactory which does not have format parameter and not DRF one APIRequestFactory

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