✅ [#4980] Add tests

- Add test for JSON schemas of formio components
- Add test for form to JSON schema

src/openforms/formio/tests/test_component_json_schemas.py

@@ -0,0 +1,54 @@
+from django.test import TestCase
+
+from jsonschema import Draft202012Validator
+
+from openforms.formio.components.vanilla import TextField, Select
+
+
+class ComponentAsJsonSchemaTests(TestCase):
+
+    validator = Draft202012Validator
+
+    def check_schema(self, properties):
+        schema = {
+            "$schema": self.validator.META_SCHEMA["$id"],
+            "type": "object",
+            "properties": properties,
+            "required": [],
+        }
+
+        self.validator.check_schema(schema)
+
+    def test_text_field(self):
+        component = {"multiple": False, "label": "Text field", "key": "text"}
+        with self.subTest("single"):
+            properties = TextField.as_json_schema(component)
+
+            self.check_schema(properties)
+
+        with self.subTest("multiple"):
+            component["multiple"] = True
+            properties = TextField.as_json_schema(component)
+
+            self.check_schema(properties)
+
+    def test_select(self):
+        component = {
+            "label": "Select",
+            "key": "select",
+            "data": {
+                "values": [
+                    {"label": "A", "value": "a"},
+                    {"label": "B", "value": "b"},
+                ],
+            },
+            "type": "select",
+        }
+        with self.subTest("single"):
+            properties = Select.as_json_schema(component)
+            self.check_schema(properties)
+
+        with self.subTest("multiple"):
+            component["multiple"] = True
+            properties = Select.as_json_schema(component)
+            self.check_schema(properties)

src/openforms/forms/tests/test_form_to_json_schema.py

@@ -0,0 +1,87 @@
+from django.test import TestCase
+
+from openforms.forms.tests.factories import (
+    FormDefinitionFactory,
+    FormFactory,
+    FormStepFactory,
+)
+from openforms.forms.utils import form_variables_to_json_schema
+
+
+class FormToJsonSchemaTestCase(TestCase):
+    def test_form_to_json_schema(self):
+        form = FormFactory.create()
+        form_def_1 = FormDefinitionFactory.create(
+            configuration={
+                "components": [
+                    {"key": "firstName", "type": "textfield", "label": "First Name"},
+                    {
+                        "key": "lastName",
+                        "type": "textfield",
+                        "multiple": True,
+                        "label": "Last Name",
+                    },
+                    {
+                        "label": "Select",
+                        "key": "select",
+                        "data": {
+                            "values": [
+                                {"label": "A", "value": "a"},
+                                {"label": "B", "value": "b"},
+                            ],
+                            "dataSrc": "manual",
+                            "json": "",
+                            "url": "",
+                            "resource": "",
+                            "custom": "",
+                        },
+                        "type": "select",
+                        "multiple": True,
+                    },
+                    {
+                        "type": "selectboxes",
+                        "key": "selectboxes",
+                        "values": [
+                            {"label": "Option 1", "value": "option1"},
+                            {"label": "Option 2", "value": "option2"},
+                        ],
+                    },
+                    {
+                        "label": "Radio",
+                        "key": "radio",
+                        "type": "radio",
+                        "values": [
+                            {"label": "A", "value": "a"},
+                            {"label": "B", "value": "b"},
+                        ],
+                        "dataSrc": "manual",
+                    },
+                ]
+            }
+        )
+        form_step_1 = FormStepFactory.create(form=form, form_definition=form_def_1)
+
+        form_def_2 = FormDefinitionFactory.create(
+            configuration={
+                "components": [
+                    {"key": "file", "type": "file", "label": "File"},
+                ]
+            }
+        )
+        form_step_2 = FormStepFactory.create(form=form, form_definition=form_def_2)
+
+        vars_to_include = (
+            "firstName",
+            "lastName",
+            "select",
+            "selectboxes",
+            "radio",
+            "file",
+            "auth_bsn",
+            "today",
+        )
+        var_properties = form_variables_to_json_schema(form, vars_to_include)
+
+        from pprint import pprint
+        pprint(var_properties)
+