magic-removal: Cleaned up get_in_bulk() and __get_date_list() DB queries to match documentation and improve error checking.

git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@1885 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/modeltests/basic/models.py

@@ -180,6 +180,17 @@ False
 >>> Article.objects.get_pub_date_list('day', order='DESC')
 [datetime.datetime(2005, 7, 31, 0, 0), datetime.datetime(2005, 7, 30, 0, 0), datetime.datetime(2005, 7, 29, 0, 0), datetime.datetime(2005, 7, 28, 0, 0)]
 
+# Try some bad arguments to __get_date_list
+>>> Article.objects.get_pub_date_list('badarg')
+Traceback (most recent call last):
+    ...
+AssertionError: 'kind' must be one of 'year', 'month' or 'day'.
+>>> Article.objects.get_pub_date_list(order='ASC')
+Traceback (most recent call last):
+    ...
+TypeError: __get_date_list() takes at least 3 non-keyword arguments (2 given)
+
+
 # An Article instance doesn't have access to the "objects" attribute.
 # That is only available as a class method.
 >>> a7.objects.get_list()

tests/modeltests/lookup/models.py

@@ -69,6 +69,18 @@ Article 4
 Traceback (most recent call last):
     ...
 AssertionError: get_in_bulk() cannot be passed an empty ID list.
+>>> Article.objects.get_in_bulk('foo')
+Traceback (most recent call last):
+    ...
+AssertionError: get_in_bulk() must be provided with a list of IDs.
+>>> Article.objects.get_in_bulk()
+Traceback (most recent call last):
+    ...
+TypeError: get_in_bulk() takes at least 2 arguments (1 given)
+>>> Article.objects.get_in_bulk(headline__startswith='Blah')
+Traceback (most recent call last):
+    ...
+TypeError: get_in_bulk() takes at least 2 non-keyword arguments (1 given)
 
 # get_values() is just like get_list(), except it returns a list of
 # dictionaries instead of object instances -- and you can specify which fields