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POtemporary TEMPLATE_DIRS override for testing does not work
 

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  1. POtemporary TEMPLATE_DIRS override for testing does not work
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    <p>For testing a custom templatetag i need to test a function that returns a rendered template. To be able to compare the output without having to know about the user-generated production template (which is going to change every now and then), i try to override the TEMPLATE_DIRS setting. Looks like a perfect use-scenario for the new override_settings decorator of Django 1.4:</p> <pre><code>@override_settings(TEMPLATE_DIRS='%s/templates' % os.path.abspath(os.path.dirname(__file__)) ) def test_render_as_list(self): self.node.type = 'list' self.node.listtemplate = 'testtemplate.html' self.node.items = ['a', 'b', 'c'] # these lines print the correct path to the template from django.conf import settings print(settings.TEMPLATE_DIRS) # inserted debug trace here import ipdb;ipdb.set_trace() response = render_as_list(self.node, self.context) self.assertEqual(response,'item a, item b, item c') </code></pre> <p>This is what my directory structure looks like:</p> <pre><code>- project - app_to_test - fixtures - templatetags - tests __init__.py test_templatetags.py (containing the test shown above) templates testtemplate.html </code></pre> <p>As far as i understand my code, the settings.TEMPLATE_DIRS should now point to</p> <pre><code>/some/path/project/app_to_test/tests/templates </code></pre> <p>The lines to print the new settings.TEMPLATE_DIRS value show that the decorator worked, but still the render_as_list function returns </p> <blockquote> <p>TemplateDoesNotExist: testtemplate.html</p> </blockquote> <p>I'm stuck with that since hours now, and just can't find what else to try.</p> <p><strong>edit:</strong> path creation is working, the file exists, but Django still doesn't load the template:</p> <pre><code>ipdb&gt; from django.conf import settings ipdb&gt; path = settings.TEMPLATE_DIRS ipdb&gt; templatename = path+'testtemplate.html' ipdb&gt; templatename '/Volumes/Data/project/my_app/tests/templates/testtemplate.html' ipdb&gt; template.loader.get_template(templatename) *** TemplateDoesNotExist: /Volumes/Data/project/my_app/tests/templates/testtemplate.html ipdb&gt; f = file(templatename) ipdb&gt; f &lt;open file '/Volumes/Data/project/my_app/tests/templates/testtemplate.html', mode 'r' at 0x102e95d78&gt; ipdb&gt; f.read() 'testtemplate content' </code></pre>
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