Add tests for 'required' attribute

tests/test_field.py

@@ -15,6 +15,25 @@ from .fake_model import get_fake_model
 class LocalizedFieldTestCase(TestCase):
     """Tests the :see:LocalizedField class."""
 
+    @staticmethod
+    def test_init():
+        """Tests whether the :see:__init__ function
+        correctly handles parameters"""
+
+        field = LocalizedField(blank=True)
+        assert field.required == []
+
+        field = LocalizedField(blank=False)
+        assert field.required == [settings.LANGUAGE_CODE]
+
+        field = LocalizedField(required=True)
+        assert field.required == [lang_code for lang_code, _ in
+                                  settings.LANGUAGES]
+
+        field = LocalizedField(required=False)
+        assert field.required == []
+
+
     @staticmethod
     def test_from_db_value():
         """Tests whether the :see:from_db_value function
@@ -158,6 +177,34 @@ class LocalizedFieldTestCase(TestCase):
             LocalizedFieldForm
         )
 
+        # case optional filling
+        field = LocalizedField(blank=True, required=[])
+        assert not field.formfield().required
+        for field in field.formfield().fields:
+            assert not field.required
+
+        # case required for any language
+        field = LocalizedField(blank=False, required=[])
+        assert field.formfield().required
+        for field in field.formfield().fields:
+            assert not field.required
+
+        # case required for specific languages
+        required_langs = ['ro', 'nl']
+        field = LocalizedField(blank=False, required=required_langs)
+        assert field.formfield().required
+        for field in field.formfield().fields:
+            if field.label in required_langs:
+                assert field.required
+            else:
+                assert not field.required
+
+        # case required for all languages
+        field = LocalizedField(blank=False, required=True)
+        assert field.formfield().required
+        for field in field.formfield().fields:
+            assert field.required
+
     def test_required_all(self):
         """Tests whether passing required=True properly validates
         that all languages are filled in."""