#31736: PostgreSQL InspectDB tests due to assuming it only runs on Linux
-------------------------------------+-------------------------------------
     Reporter:  Ahmad A. Hussein     |                    Owner:  nobody
         Type:  Bug                  |                   Status:  assigned
    Component:  Testing framework    |                  Version:  master
     Severity:  Normal               |               Resolution:
     Keywords:  postgresql,          |             Triage Stage:
  inspectdb                          |  Unreviewed
    Has patch:  1                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------
Description changed by Ahmad A. Hussein:

Old description:

> On Windows,
> ```inspectdb..tests.InspectDBTransactionalTests.test_foreign_data_wrapper```
> fails with the following error:
>
> ```
> The error was: could not open file "/dev/null" for reading: No such file
> or directory
> HINT:  COPY FROM instructs the PostgreSQL server process to read a file.
> You may want a client-side facility such as psql's \copy.
>
> AssertionError: 'class InspectdbIrisForeignTable(models.Model):' not
> found in [...]
> ```
> This is because of the way the test is written as
> [https://github.com/django/django/pull/12646#issuecomment-647944821/
> pointed out by]. Patch fixes this by generalizing the test to use
> os.devnull to be OS-agnostic instead of /dev/null always.

New description:

 On Windows,
 {{{inspectdb..tests.InspectDBTransactionalTests.test_foreign_data_wrapper}}}
 fails with the following error:

 {{{
 The error was: could not open file "/dev/null" for reading: No such file
 or directory
 HINT:  COPY FROM instructs the PostgreSQL server process to read a file.
 You may want a client-side facility such as psql's \copy.

 AssertionError: 'class InspectdbIrisForeignTable(models.Model):' not found
 in [...]
 }}}
 This is because of the way the test is written as
 [https://github.com/django/django/pull/12646#issuecomment-647944821/
 pointed out by]. Patch fixes this by generalizing the test to use
 os.devnull to be OS-agnostic instead of /dev/null always.

--

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Ticket URL: <https://code.djangoproject.com/ticket/31736#comment:2>
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