Add a new auto-slug field that is concurrency resistent

tests/fake_model.py

@@ -1,10 +1,7 @@
-from django.contrib.postgres.operations import HStoreExtension
 from django.db import connection, migrations
+from localized_fields import LocalizedModel
 from django.db.migrations.executor import MigrationExecutor
-import sys
-
-from localized_fields import (LocalizedAutoSlugField, LocalizedField,
-                              LocalizedModel, LocalizedMagicSlugField)
+from django.contrib.postgres.operations import HStoreExtension
 
 
 def get_fake_model(name='TestModel', fields={}):

tests/test_localized_slug_fields.py

@@ -1,10 +1,10 @@
 from django import forms
 from django.conf import settings
 from django.test import TestCase
+from localized_fields import (LocalizedField, LocalizedAutoSlugField,
+                              LocalizedMagicSlugField)
 from django.utils.text import slugify
 
-from localized_fields import LocalizedField, LocalizedAutoSlugField, LocalizedMagicSlugField
-
 from .fake_model import get_fake_model
 
 
@@ -71,7 +71,6 @@ class LocalizedSlugFieldTestCase(TestCase):
     @classmethod
     def test_deconstruct_auto(cls):
         cls._test_deconstruct(LocalizedAutoSlugField)
-        cls._test_deconstruct(LocalizedMagicSlugField)
 
     @classmethod
     def test_deconstruct_magic(cls):
@@ -93,7 +92,7 @@ class LocalizedSlugFieldTestCase(TestCase):
         obj.title.en = 'this is my title'
         obj.save()
 
-        assert obj.slug.get('en') == slugify(obj.title.en)
+        assert obj.slug.get('en') == slugify(obj.title)
 
     @staticmethod
     def _test_populate_multiple_languages(model):
@@ -117,11 +116,12 @@ class LocalizedSlugFieldTestCase(TestCase):
         obj.title.en = 'title'
         obj.save()
 
-        another_obj = model()
-        another_obj.title.en = 'title'
-        another_obj.save()
+        for i in range(1, 90):
+            another_obj = model()
+            another_obj.title.en = 'title'
+            another_obj.save()
 
-        assert another_obj.slug.en == 'title-1'
+            assert another_obj.slug.en == 'title-%d' % i
 
     @staticmethod
     def _test_unique_slug_utf(model):