#28337: fetch_redirect_response from assertRedirects doesn't honor HTTP_HOST
setting in self.client.get
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Reporter: Roland van Laar | Owner: Patrick
Type: | Jenkins
Cleanup/optimization | Status: assigned
Component: Testing framework | Version: 1.11
Severity: Normal | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by Patrick Jenkins):
The problem with the provided example is that under certain conditions
assertRedirect will replay the request with different parameters than
originally specified. The conditions necessary for this to occur are
passing follow=False to the original client.get and also passing 'extra'
parameters that will be interpreted as HTTP header's. Assert redirect
(version 1.11.4:
https://github.com/django/django/blob/1a34dfcf797640d5d580d261694cb54e6f97c552/django/test/testcases.py#L317)
makes an assumption that it is possible to exactly recreate the original
request with the information that is available.
To properly recreate the the original request it would be necessary to
pass ALL method parameters AND all of the kwarg parameters that were
originally passed in. This would require storing the 'extras' in the
Client (django.test.client.py) so they could be acccessed in
assertRedrrects and properly replayed.
I believe this is the proper solution because it removes the assumptions
present when assertRedirect attempts to recreate the request. Although
this is a corner case, it is certainly acceptable for Django users to
utilize the infinite space that is HTTP headers and provide varying logic
depending on the values present. The downside of this implementation is
that it bloats the Client by requiring it to store the extra parameters
passed in. These extra parameters will rarely be used but I believe the
tradeoff of adding properties to Client and potentially increasing memory
footprint are small enough to warrant this change.
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Ticket URL: <https://code.djangoproject.com/ticket/28337#comment:3>
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