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# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
import functools
import unittest
from odoo.tools import frozendict, pycompat
from odoo.tools.func import compose
class TestCompose(unittest.TestCase):
def test_basic(self):
str_add = compose(str, lambda a, b: a + b)
self.assertEqual(str_add(1, 2), "3")
def test_decorator(self):
""" ensure compose() can be partially applied as a decorator
"""
@functools.partial(compose, pycompat.text_type)
def mul(a, b):
return a * b
self.assertEqual(mul(5, 42), u"210")
class TestFrozendict(unittest.TestCase):
def test_frozendict_immutable(self):
""" Ensure that a frozendict is immutable. """
vals = {'name': 'Joe', 'age': 42}
frozen_vals = frozendict(vals)
# check __setitem__, __delitem__
with self.assertRaises(Exception):
frozen_vals['surname'] = 'Jack'
with self.assertRaises(Exception):
frozen_vals['name'] = 'Jack'
with self.assertRaises(Exception):
del frozen_vals['name']
# check update, setdefault, pop, popitem, clear
with self.assertRaises(Exception):
frozen_vals.update({'surname': 'Jack'})
with self.assertRaises(Exception):
frozen_vals.update({'name': 'Jack'})
with self.assertRaises(Exception):
frozen_vals.setdefault('surname', 'Jack')
with self.assertRaises(Exception):
frozen_vals.pop('surname', 'Jack')
with self.assertRaises(Exception):
frozen_vals.pop('name', 'Jack')
with self.assertRaises(Exception):
frozen_vals.popitem()
with self.assertRaises(Exception):
frozen_vals.clear()
def test_frozendict_hash(self):
""" Ensure that a frozendict is hashable. """
# dict with simple values
hash(frozendict({'name': 'Joe', 'age': 42}))
# dict with tuples, lists, and embedded dicts
hash(frozendict({
'user_id': (42, 'Joe'),
'line_ids': [(0, 0, {'values': [42]})],
}))
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