Testbed unit tests for blobstore file upload API

[re...@el-tramo.be]

Hi,

I'm trying to write a unit test for file uploads in my (Python) API.
I'm using the using the blobstore API to create an upload URL, as follows:
    self.response.write(blobstore.create_upload_url(....))

Everything works fine in production, but when using Testbed, I get the following URL back:
    http://testbed.example.com/_ah/upload/agx0ZXN0YmVkLXRlc3RyGwsSFV9fQmxvYlVwbG9hZFNlc3Npb25fXxgDDA

Uploading to this URL from the test doesn't work, I get a 404. I should have initialized all stubs properly, amongst others:

    self.testbed.init_datastore_v3_stub()

    self.testbed.init_blobstore_stub()

    self.testbed.init_files_stub()

What am I doing wrong? How do I unit test file uploads?

thanks,

Remko

[Alex Martelli]

Hi Remko,

technical questions like yours are better sent to Stack Overflow -- the groups are for discussions that would not be welcome on stackoverflow.com per their FAQ.

In this case you're probably able to use the solution already posted at http://stackoverflow.com/questions/8130063/test-function-with-google-app-engine-files-api

so it's probably best not to post your Q there (it would be a duplicate).

If that solution doesn't work, however, then a new stackoverflow Q is indeed appropriate

(specifically referring to that other Q and explaining what problems remain after using the

approach in that Q's accepted and vastly-upvoted answer).  We sponsor and monitor

(among others) the google-app-engine tag on stackoverflow and will do our best to help there, if the existing solution does not meet your very sensible requirements.

`testbed` is unfortunately rather undocumented (sorry!) but that's a longer-term issue for us to fix... not something you should wait for!

Alex

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[Baire Adams]

Alex,

Thanks for your response to Remko!

I am facing a similar issue as Remko.  I happily came across your post and followed the link to stackoverflow.  When researching a bit more, it seems the blobstore file API is being deprecated...

Is there no better (read long term) way of doing this than the stackoverflow post suggests?  Probably I am missing something here.

Regards,

Baire