[rewrite] Fix crash when the main variable doesn't appear in the snippet's vargraph
Also, the added test discover another bug once the first has been fixed
(erroneous argument given to .rewrite recursive call).
Closes #3661918
import os
from os.path import join, dirname
from shutil import rmtree
from logilab.common.testlib import TestCase, unittest_main
from cubicweb.web.propertysheet import *
DATADIR = join(dirname(__file__), 'data')
CACHEDIR = join(DATADIR, 'uicache')
class PropertySheetTC(TestCase):
def tearDown(self):
rmtree(CACHEDIR)
def test(self):
ps = PropertySheet(CACHEDIR, datadir_url='http://cwtest.com')
ps.load(join(DATADIR, 'sheet1.py'))
ps.load(join(DATADIR, 'sheet2.py'))
# defined by sheet1
self.assertEqual(ps['logo'], 'http://cwtest.com/logo.png')
# defined by sheet1, overriden by sheet2
self.assertEqual(ps['bgcolor'], '#FFFFFF')
# defined by sheet2
self.assertEqual(ps['fontcolor'], 'black')
# defined by sheet1, extended by sheet2
self.assertEqual(ps['stylesheets'], ['http://cwtest.com/cubicweb.css',
'http://cwtest.com/mycube.css'])
# lazy string defined by sheet1
self.assertIsInstance(ps['lazy'], lazystr)
self.assertEqual(str(ps['lazy']), '#FFFFFF')
# test compilation
self.assertEqual(ps.compile('a {bgcolor: %(bgcolor)s; size: 1%;}'),
'a {bgcolor: #FFFFFF; size: 1%;}')
self.assertEqual(ps.process_resource(DATADIR, 'pouet.css'),
CACHEDIR)
self.assertTrue('pouet.css' in ps._cache)
self.assertFalse(ps.need_reload())
os.utime(join(DATADIR, 'sheet1.py'), None)
self.assertTrue('pouet.css' in ps._cache)
self.assertTrue(ps.need_reload())
self.assertTrue('pouet.css' in ps._cache)
ps.reload()
self.assertFalse('pouet.css' in ps._cache)
self.assertFalse(ps.need_reload())
ps.process_resource(DATADIR, 'pouet.css') # put in cache
os.utime(join(DATADIR, 'pouet.css'), None)
self.assertFalse(ps.need_reload())
self.assertFalse('pouet.css' in ps._cache)
if __name__ == '__main__':
unittest_main()