Add tests for deconstruct of CountriesField

tests/test_countries.py

@@ -2,10 +2,12 @@
 from __future__ import unicode_literals
 from django.test import SimpleTestCase
 from django.utils import translation
+
+from internationalflavor.countries import CountryField
 from internationalflavor.countries import CountryFormField
 
 
-class CountriesTestCase(SimpleTestCase):
+class CountriesFormTestCase(SimpleTestCase):
     def test_form_field(self):
         field = CountryFormField(countries=['NL', 'BE', 'FR'])
         self.assertEqual(set([f[0] for f in field.choices]), set(['BE', 'FR', 'NL']))
@@ -25,4 +27,22 @@ def test_form_field_render(self):
                 <option value="CF">Zentralafrikanische Republik</option>
                 </select>'''
 
-            self.assertHTMLEqual(field.widget.render('countries', 'NL'), out)
+            self.assertHTMLEqual(field.widget.render('countries', 'NL'), out)
+
+
+class CountriesModelTestCase(SimpleTestCase):
+    def test_deconstruct_default(self):
+        # test_instance must be created with the non-default options.
+        test_inst = CountryField()
+        name, path, args, kwargs = test_inst.deconstruct()
+        new_inst = CountryField(*args, **kwargs)
+        for attr in ('countries', 'exclude', 'choices'):
+            self.assertEqual(getattr(test_inst, attr), getattr(new_inst, attr))
+
+    def test_deconstruct_different(self):
+        # test_instance must be created with the non-default options.
+        test_inst = CountryField(countries=['NL', 'BE'], exclude=['BE'])
+        name, path, args, kwargs = test_inst.deconstruct()
+        new_inst = CountryField(*args, **kwargs)
+        for attr in ('countries', 'exclude', 'choices'):
+            self.assertEqual(getattr(test_inst, attr), getattr(new_inst, attr))

tox.ini

@@ -4,7 +4,7 @@ envlist =
     docs,
     {py27,py33,py34}-1.7,
     {py27,py33,py34,py35}-1.8
-    {py27,py34,py35}-{1.9,master}
+    {py27,py34,py35}-{1.9,1.10,master}
 
 [testenv]
 basepython =