#23952: Don't run all template tests with string_if_invalid='INVALID'
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     Reporter:  timgraham             |                    Owner:  nobody
         Type:  Cleanup/optimization  |                   Status:  new
    Component:  Template system       |                  Version:  master
     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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Old description:

> After the template tests refactor in #23768, I don't think there's a need
> to run all the template tests with a different value of
> `TEMPLATE_STRING_IF_INVALID` (see `template_tests/syntax_tests/utils.py`.
> Instead of `if settings.TEMPLATE_STRING_IF_INVALID:` in a given test, we
> can add a second assertion to these tests and use
> `self.settings(TEMPLATE_STRING_IF_INVALID='INVALID')` and then render the
> template a second time.

New description:

 After the template tests refactor in #23768, I don't think there's a need
 to run all the template tests with a different value of
 `string_if_invalid` (see `template_tests/syntax_tests/utils.py`. Instead
 of `if self.engine.string_if_invalid:` in a given test, we can add a
 second assertion to these tests and use `self.settings(TEMPLATES={...
 string_if_invalid='INVALID' ...)` and then render the template a second
 time.

--

Comment (by timgraham):

 I updated the description to account for the `TEMPLATE_STRING_IF_INVALID`
 setting moving into `TEMPLATES` `OPTIONS`. The issue
 
[https://github.com/django/django/blob/541000773a19d829a46fd4bec3655dca38a95551/tests/template_tests/utils.py#L66-L72
 is still relevant] although the fix may not look so nice since we'd have
 to override the `TEMPLATES` setting (list of dictionaries) instead of
 boolean setting.

--
Ticket URL: <https://code.djangoproject.com/ticket/23952#comment:2>
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