It's probably a load of repeated bollocks but let's commit it anyway

Author: matthiask

tests/testapp/test_form_field.py

@@ -0,0 +1,99 @@
+from django import forms
+from django.contrib.admin import widgets
+from django.test import TestCase
+
+from django_prose_editor.fields import ProseEditorFormField, _is
+from django_prose_editor.widgets import AdminProseEditorWidget, ProseEditorWidget
+
+
+class CustomWidget(forms.Textarea):
+    """A custom widget that is not a ProseEditorWidget."""
+
+
+class IsHelperFunctionTest(TestCase):
+    def test_is_function(self):
+        """Test the _is helper function for widget type checking."""
+        # Test with classes
+        self.assertTrue(_is(ProseEditorWidget, ProseEditorWidget))
+        self.assertTrue(_is(CustomWidget, forms.Textarea))
+        self.assertFalse(_is(CustomWidget, ProseEditorWidget))
+
+        # Test with instances
+        self.assertTrue(_is(ProseEditorWidget(), ProseEditorWidget))
+        self.assertTrue(_is(CustomWidget(), forms.Textarea))
+        self.assertFalse(_is(ProseEditorWidget(), widgets.AdminTextareaWidget))
+
+
+class ProseEditorFormFieldTest(TestCase):
+    def test_widget_handling(self):
+        """Test the widget handling in ProseEditorFormField."""
+        # Test when widget is None (default case, line 80 branch)
+        field = ProseEditorFormField()
+        self.assertIsInstance(field.widget, ProseEditorWidget)
+
+        # Test when widget is a class that is not a ProseEditorWidget (line 81 branch)
+        field = ProseEditorFormField(widget=CustomWidget)
+        self.assertIsInstance(field.widget, ProseEditorWidget)
+
+        # Test when widget is an instance that is not a ProseEditorWidget (line 81 branch)
+        field = ProseEditorFormField(widget=CustomWidget())
+        self.assertIsInstance(field.widget, ProseEditorWidget)
+
+        # Test with AdminTextareaWidget class (line 79 branch)
+        field = ProseEditorFormField(widget=widgets.AdminTextareaWidget)
+        self.assertIsInstance(field.widget, AdminProseEditorWidget)
+
+        # Test with AdminTextareaWidget instance (line 79 branch)
+        field = ProseEditorFormField(widget=widgets.AdminTextareaWidget())
+        self.assertIsInstance(field.widget, AdminProseEditorWidget)
+
+        # For completeness, also test with a ProseEditorWidget class and instance
+        field = ProseEditorFormField(widget=ProseEditorWidget)
+        self.assertIsInstance(field.widget, ProseEditorWidget)
+
+        field = ProseEditorFormField(widget=ProseEditorWidget())
+        self.assertIsInstance(field.widget, ProseEditorWidget)
+
+
+class FormWithProseEditorField(forms.Form):
+    """A form using ProseEditorFormField with different widget configurations."""
+
+    # Default widget (None)
+    content_default = ProseEditorFormField()
+
+    # Non-ProseEditorWidget class
+    content_custom_class = ProseEditorFormField(widget=CustomWidget)
+
+    # Non-ProseEditorWidget instance
+    content_custom_instance = ProseEditorFormField(widget=CustomWidget())
+
+    # AdminTextareaWidget class
+    content_admin_class = ProseEditorFormField(widget=widgets.AdminTextareaWidget)
+
+    # AdminTextareaWidget instance
+    content_admin_instance = ProseEditorFormField(widget=widgets.AdminTextareaWidget())
+
+
+class FormRenderingTest(TestCase):
+    def test_form_rendering(self):
+        """Test that forms with different widget configurations render correctly."""
+        form = FormWithProseEditorField()
+
+        # The form should render all fields with appropriate ProseEditor widgets
+        html = form.as_p()
+
+        # Count the number of data-django-prose-editor attributes
+        # All fields should use the data attribute with default preset
+        self.assertEqual(html.count("data-django-prose-editor-default"), 5)
+
+        # All fields should use ProseEditor widgets (either standard or admin)
+        total_prose_editors = len(
+            [
+                field
+                for field in form.fields.values()
+                if isinstance(field.widget, ProseEditorWidget | AdminProseEditorWidget)
+            ]
+        )
+        self.assertEqual(
+            total_prose_editors, 5
+        )  # All 5 fields should use ProseEditor widgets