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from tests.diff import diff
from unittest import TestCase
class DiffTest(TestCase):
def test__assert_no_diff(self):
for obj in [
1,
'string',
{'complex': {'object': {'with': ['lists']}}},
]:
self.assertEqual(diff(obj, obj), [])
def test__diff_values(self):
self._assert_entire_diff(1, 2)
self._assert_entire_diff('a', 'b')
def test__diff_sequences(self):
self._assert_entire_diff([], [1, 2, 3])
def test__composite_diff(self):
a = {'a': {'b': [1, 2, 3]}}
b = {'a': {'b': [1, 6, 3]}}
[(path, x, y)] = diff(a, b)
self.assertEqual(path, ['a', 'b', 1])
self.assertEqual(x, 2)
self.assertEqual(y, 6)
def _assert_entire_diff(self, a, b):
[(_, x, y)] = diff(a, b)
self.assertEqual(x, a)
self.assertEqual(y, b)
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