[views/forms] Fix EntityFieldsForm.link_to when parent entity is being created
When the parent entity is being created and the inlined form is displayed, the
parent entity has no eid yet and `peid` is usually 'A'. So int() raises a
ValueError.
Closes #4627739.
import unittest
from cubicweb.web import http_headers
class TestGenerators(unittest.TestCase):
def test_generate_true_false(self):
for v in (True, 1, 'true', 'True', 'TRUE'):
self.assertEqual('true', http_headers.generateTrueFalse(v))
for v in (False, 0, 'false', 'False', 'FALSE'):
self.assertEqual('false', http_headers.generateTrueFalse(v))
with self.assertRaises(ValueError):
http_headers.generateTrueFalse('any value')
if __name__ == '__main__':
from unittest import main
main()