def test_get_prep_value(self):
block = blocks.ModelChooserBlock('core_page')
test_page = self.child_page
self.assertEqual(block.get_prep_value(test_page.pk), test_page.pk)
self.assertEqual(block.get_prep_value(test_page), test_page.pk)
self.assertEqual(block.get_prep_value(None), None)
def test_to_python(self):
block = blocks.ModelChooserBlock('core_page')
test_page = self.child_page
value = block.to_python(test_page.pk)
self.assertEqual(isinstance(value, Page), isinstance(test_page, Page))
self.assertEqual(block.to_python(None), None)
def test_deserialize(self):
"""The serialized value of a ModelChooserBlock (an ID) should deserialize to a Page object"""
block = blocks.ModelChooserBlock('core_page')
self.assertEqual(isinstance(block.to_python(self.child_page.id), Page),
isinstance(self.child_page, Page))
# None should deserialize to None
self.assertEqual(block.to_python(None), None)
def test_serialize(self):
"""The value of a ModelChooserBlock (a Page object) should serialize to an ID"""
block = blocks.ModelChooserBlock('core_page')
self.assertEqual(block.get_prep_value(self.child_page),
self.child_page.id)
# None should serialize to None
self.assertEqual(block.get_prep_value(None), None)
def test_form_render(self):
block = blocks.ModelChooserBlock('core_page',
help_text="pick a page, any page")
empty_form_html = block.render_form(None, 'page')
self.assertIn('<input type="hidden" value="" name="page"',
empty_form_html)
self.assertIn('initModelChooser(', empty_form_html)
test_page = self.child_page
test_form_html = block.render_form(test_page, 'page')
expected_html = '<input type="hidden" value="%d" name="page" ' % test_page.id
self.assertIn(expected_html, test_form_html)
self.assertIn("pick a page, any page", test_form_html)
def test_widget(self):
block = blocks.ModelChooserBlock('core_page')
self.assertTrue(isinstance(block.widget, widgets.ModelChooserWidget))
def test_target_model(self):
block = blocks.ModelChooserBlock('core_page')
self.assertEqual(block.target_model, Page)