Allow to set a blank description on Formidable model

Author: samuelhamard

CHANGELOG.rst

@@ -5,7 +5,7 @@ ChangeLog
 master (unreleased)
 ===================
 
-Nothing here yet.
+- Allow empty description on ``Formidable`` model
 
 Release 6.1.0 (2020-10-07)
 ==========================

demo/tests/test_forms.py

@@ -807,7 +807,7 @@ def test_from_json_raised_error(self):
         with self.assertRaises(ValidationError) as context:
             Formidable.from_json({'json_invalid': True})
 
-        self.assertEqual(len(context.exception.messages), 3)
+        self.assertEqual(len(context.exception.messages), 2)
         for message in context.exception.messages:
             self.assertEqual(message, 'This field is required.')
 
@@ -827,3 +827,21 @@ def test_get_serializer_with_context(self):
             schema_definition,
             context={"hello": "world"})
         self.assertEqual(serializer.context, {"hello": "world"})
+
+    def test_duplication(self):
+        """
+        try to duplicate a `Formidable`` object using the ``from_json``
+        and then it's ``to_json`` methods
+        """
+        form = Formidable.objects.create(label='test', description='desc')
+        json = form.to_json()
+        new_form = Formidable.from_json(json)
+        self.assertEqual('test', new_form.label)
+        self.assertEqual('desc', new_form.description)
+
+    def test_duplication_empty_desc(self):
+        form = Formidable.objects.create(label='test', description='')
+        json = form.to_json()
+        new_form = Formidable.from_json(json)
+        self.assertEqual('test', new_form.label)
+        self.assertEqual('', new_form.description)

docs/source/_static/specs/formidable.json

@@ -291,7 +291,7 @@
                     "type": "array"
                 },
                 "description": {
-                    "description": "Description of the form",
+                    "description": "Description of the form - can be empty",
                     "type": "string"
                 },
                 "id": {

docs/source/deprecations.rst

@@ -2,6 +2,13 @@
 Deprecation timeline
 ====================
 
+From 6.1.0 to <x.y.z>
+=====================
+
+.. versionadded:: <x.y.z>
+
+    The `description` field in the ``Formidable`` model class would now allow empty values.
+
 From 5.0.0 to 6.0.0
 ===================
 

docs/swagger/formidable.yml

@@ -243,7 +243,7 @@ definitions:
         description: Title of the form
       description:
         type: string
-        description: Description of the form
+        description: Description of the form - can be empty
       conditions:
         type: array
         items:

docs/tests/fixtures/0021_id_label_description_null.json

@@ -0,0 +1,5 @@
+{
+  "id": 1,
+  "label": "This is my form title",
+  "description": null
+}

docs/tests/fixtures/0022_id_label_description_empty.json

@@ -0,0 +1,5 @@
+{
+  "id": 1,
+  "label": "This is my form title",
+  "description": ""
+}

docs/tests/test_forms.py

@@ -50,3 +50,18 @@ def test_id_and_label_and_description():
     form = _load_fixture('0004_id_label_description.json')
     errors = sorted(validator.iter_errors(form), key=lambda e: e.path)
     assert len(errors) == 0
+
+
+def test_id_description_null():
+    form = _load_fixture('0021_id_label_description_null.json')
+    errors = sorted(validator.iter_errors(form), key=lambda e: e.path)
+    assert len(errors) == 1
+    error = errors[0]
+    assert error.validator == "type"
+    assert error.message == "None is not of type 'string'"
+
+
+def test_id_description_empty():
+    form = _load_fixture('0022_id_label_description_empty.json')
+    errors = sorted(validator.iter_errors(form), key=lambda e: e.path)
+    assert len(errors) == 0

formidable/migrations/0011_allow_empty_description.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.19 on 2021-03-04 15:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('formidable', '0010_auto_20200213_1010'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='formidable',
+            name='description',
+            field=models.TextField(blank=True),
+        ),
+    ]

formidable/models.py

@@ -21,7 +21,7 @@ def get_serializer(definition_schema, context=None):
 class Formidable(models.Model):
 
     label = models.CharField(max_length=256)
-    description = models.TextField()
+    description = models.TextField(blank=True)
     conditions = JSONField(null=False, blank=False, default=list)
 
     class Meta: