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feat: add basic theme system

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This is intended to allow override of look/feel without overriding the
logic/structure of templates.  In practice the main goal internally is
to allow testing of Vue 3 + Oruga, to eventually replace Vue 2 + Buefy
as the default theme.
This commit is contained in:
Lance Edgar 2025-06-29 09:16:44 -05:00
parent 749aca560a
commit 796e793547
20 changed files with 1604 additions and 52 deletions
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30
tests/views/test_common.py
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@ -6,6 +6,7 @@ import colander
from wuttaweb.views import common as mod
from wuttaweb.testing import WebTestCase
from wuttaweb.app import establish_theme
class TestCommonView(WebTestCase):
@ -180,3 +181,32 @@ class TestCommonView(WebTestCase):
self.assertEqual(person.first_name, "Barney")
self.assertEqual(person.last_name, "Rubble")
self.assertEqual(person.full_name, "Barney Rubble")
def test_change_theme(self):
self.pyramid_config.add_route('home', '/')
settings = self.request.registry.settings
establish_theme(settings)
view = self.make_view()
# theme is not changed if not provided by caller
self.assertEqual(settings['wuttaweb.theme'], 'default')
with patch.object(mod, 'set_app_theme') as set_app_theme:
view.change_theme()
set_app_theme.assert_not_called()
self.assertEqual(settings['wuttaweb.theme'], 'default')
# but theme will change if provided
with patch.object(self.request, 'params', new={'theme': 'butterfly'}):
with patch.object(mod, 'Session', return_value=self.session):
view.change_theme()
self.assertEqual(settings['wuttaweb.theme'], 'butterfly')
# flash error if invalid theme is provided
self.assertFalse(self.request.session.peek_flash('error'))
with patch.object(self.request, 'params', new={'theme': 'anotherone'}):
with patch.object(mod, 'Session', return_value=self.session):
view.change_theme()
self.assertEqual(settings['wuttaweb.theme'], 'butterfly')
self.assertTrue(self.request.session.peek_flash('error'))
messages = self.request.session.pop_flash('error')
self.assertIn('Failed to set theme', messages[0])