Fix test models

src/ralph/admin/widgets.py

@@ -76,7 +76,7 @@ def value_from_datadict(self, data, files, name):
     def render(self, name, value, attrs=None, choices=()):
         attr_value = ','.join(map(str, value or []))
         final_attrs = self.build_attrs(
-            attrs, extra_attrs={name: attr_value}  # "type": 'hidden', "name": name, "value": attr_value}
+            attrs, extra_attrs={name: attr_value}
         )
         return mark_safe(
             '<a class="expand action-expand">Expand all</a>'

src/ralph/tests/admin.py

@@ -31,7 +31,7 @@ class BarAdmin(RalphAdmin):
 
 
 class BarsM2MInline(RalphTabularM2MInline):
-    model = Bar
+    model = Foo.bars.through
     fields = ('name', 'date', 'price', 'count')
     extra = 1
     verbose_name = _('Bars')

src/ralph/tests/models.py

@@ -33,12 +33,12 @@ def __str__(self):
         return 'Foo: {} / {}'.format(self.id, self.bar)
 
 
-class Manufacturer(models.Model):
+class Manufacturer(AdminAbsoluteUrlMixin, models.Model):
     name = models.CharField(max_length=50)
     country = models.CharField(max_length=50)
 
 
-class Car(models.Model):
+class Car(AdminAbsoluteUrlMixin, models.Model):
     name = models.CharField(max_length=50)
     year = models.PositiveSmallIntegerField()
     manufacturer = models.ForeignKey(Manufacturer)
@@ -51,11 +51,11 @@ def get_autocomplete_queryset(cls):
         return cls.objects.filter(year=2015)
 
 
-class Car2(models.Model):
+class Car2(AdminAbsoluteUrlMixin, models.Model):
     manufacturer = models.ForeignKey(Manufacturer)
 
 
-class Bar(PriceMixin, models.Model):
+class Bar(AdminAbsoluteUrlMixin, PriceMixin, models.Model):
     name = models.CharField(max_length=255)
     created = models.DateTimeField(auto_now_add=True)
     date = models.DateField(blank=True, null=True)