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-rw-r--r--tests/modeltests/generic_relations/models.py38
1 files changed, 32 insertions, 6 deletions
diff --git a/tests/modeltests/generic_relations/models.py b/tests/modeltests/generic_relations/models.py
index e9a81a19e8..2bfb55e618 100644
--- a/tests/modeltests/generic_relations/models.py
+++ b/tests/modeltests/generic_relations/models.py
@@ -53,7 +53,7 @@ class Mineral(models.Model):
def __str__(self):
return self.name
-API_TESTS = """
+__test__ = {'API_TESTS':"""
# Create the world in 7 lines of code...
>>> lion = Animal(common_name="Lion", latin_name="Panthera leo")
>>> platypus = Animal(common_name="Platypus", latin_name="Ornithorhynchus anatinus")
@@ -65,14 +65,14 @@ API_TESTS = """
# Objects with declared GenericRelations can be tagged directly -- the API
# mimics the many-to-many API.
->>> lion.tags.create(tag="yellow")
-<TaggedItem: yellow>
->>> lion.tags.create(tag="hairy")
-<TaggedItem: hairy>
>>> bacon.tags.create(tag="fatty")
<TaggedItem: fatty>
>>> bacon.tags.create(tag="salty")
<TaggedItem: salty>
+>>> lion.tags.create(tag="yellow")
+<TaggedItem: yellow>
+>>> lion.tags.create(tag="hairy")
+<TaggedItem: hairy>
>>> lion.tags.all()
[<TaggedItem: hairy>, <TaggedItem: yellow>]
@@ -105,4 +105,30 @@ API_TESTS = """
[<TaggedItem: shiny>]
>>> TaggedItem.objects.filter(content_type__pk=ctype.id, object_id=quartz.id)
[<TaggedItem: clearish>]
-"""
+
+# If you delete an object with an explicit Generic relation, the related
+# objects are deleted when the source object is deleted.
+# Original list of tags:
+>>> [(t.tag, t.content_type, t.object_id) for t in TaggedItem.objects.all()]
+[('clearish', <ContentType: mineral>, 1), ('fatty', <ContentType: vegetable>, 2), ('hairy', <ContentType: animal>, 1), ('salty', <ContentType: vegetable>, 2), ('shiny', <ContentType: animal>, 2), ('yellow', <ContentType: animal>, 1)]
+
+>>> lion.delete()
+>>> [(t.tag, t.content_type, t.object_id) for t in TaggedItem.objects.all()]
+[('clearish', <ContentType: mineral>, 1), ('fatty', <ContentType: vegetable>, 2), ('salty', <ContentType: vegetable>, 2), ('shiny', <ContentType: animal>, 2)]
+
+# If Generic Relation is not explicitly defined, any related objects
+# remain after deletion of the source object.
+>>> quartz.delete()
+>>> [(t.tag, t.content_type, t.object_id) for t in TaggedItem.objects.all()]
+[('clearish', <ContentType: mineral>, 1), ('fatty', <ContentType: vegetable>, 2), ('salty', <ContentType: vegetable>, 2), ('shiny', <ContentType: animal>, 2)]
+
+# If you delete a tag, the objects using the tag are unaffected
+# (other than losing a tag)
+>>> tag = TaggedItem.objects.get(id=1)
+>>> tag.delete()
+>>> bacon.tags.all()
+[<TaggedItem: salty>]
+>>> [(t.tag, t.content_type, t.object_id) for t in TaggedItem.objects.all()]
+[('clearish', <ContentType: mineral>, 1), ('salty', <ContentType: vegetable>, 2), ('shiny', <ContentType: animal>, 2)]
+
+"""}