Use django-coverage-plugin to check templates

Try this plyugin to find out templates that are not used from this repository
and can be removed from here.

Related #12086

Author: humitos

.coveragerc

@@ -10,6 +10,7 @@ omit =
   rtd_tests/*
   */**/tests/**
   wsgi.py
+plugins = django_coverage_plugin
 
 [report]
 exclude_lines =

readthedocs/settings/test.py

@@ -37,6 +37,15 @@ class CommunityTestSettings(CommunityBaseSettings):
         }
     }
 
+    @property
+    def TEMPLATES(self):
+        templates = super().TEMPLATES
+
+        # Set DEBUG on templates to allow running Django coverage plugin
+        templates[0]["OPTIONS"]["debug"] = True
+
+        return templates
+
     @property
     def PASSWORD_HASHERS(self):
         # Speed up tests by using a fast password hasher as the default.

requirements/testing.in

@@ -12,3 +12,5 @@ pytest-cov
 pytest-mock
 
 requests-mock
+
+django_coverage_plugin

requirements/testing.txt

@@ -79,7 +79,9 @@ colorama==0.4.6
     #   -r requirements/pip.txt
     #   bumpver
 coverage[toml]==7.8.0
-    # via pytest-cov
+    # via
+    #   django-coverage-plugin
+    #   pytest-cov
 cron-descriptor==1.4.5
     # via
     #   -r requirements/pip.txt
@@ -138,6 +140,8 @@ django-celery-beat==2.7.0
     # via -r requirements/pip.txt
 django-cors-headers==4.7.0
     # via -r requirements/pip.txt
+django-coverage-plugin==3.1.0
+    # via -r requirements/testing.in
 django-crispy-forms==1.14.0
     # via -r requirements/pip.txt
 django-csp==3.8