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"""Tests for josepy.interfaces."""
import unittest
class JSONDeSerializableTest(unittest.TestCase):
# pylint: disable=too-many-instance-attributes
def setUp(self):
from josepy.interfaces import JSONDeSerializable
# pylint: disable=missing-docstring,invalid-name
class Basic(JSONDeSerializable):
def __init__(self, v):
self.v = v
def to_partial_json(self):
return self.v
@classmethod
def from_json(cls, jobj):
return cls(jobj)
class Sequence(JSONDeSerializable):
def __init__(self, x, y):
self.x = x
self.y = y
def to_partial_json(self):
return [self.x, self.y]
@classmethod
def from_json(cls, jobj):
return cls(
Basic.from_json(jobj[0]), Basic.from_json(jobj[1]))
class Mapping(JSONDeSerializable):
def __init__(self, x, y):
self.x = x
self.y = y
def to_partial_json(self):
return {self.x: self.y}
@classmethod
def from_json(cls, jobj):
pass # pragma: no cover
self.basic1 = Basic('foo1')
self.basic2 = Basic('foo2')
self.seq = Sequence(self.basic1, self.basic2)
self.mapping = Mapping(self.basic1, self.basic2)
self.nested = Basic([[self.basic1]])
self.tuple = Basic(('foo',))
# pylint: disable=invalid-name
self.Basic = Basic
self.Sequence = Sequence
self.Mapping = Mapping
def test_to_json_sequence(self):
self.assertEqual(self.seq.to_json(), ['foo1', 'foo2'])
def test_to_json_mapping(self):
self.assertEqual(self.mapping.to_json(), {'foo1': 'foo2'})
def test_to_json_other(self):
mock_value = object()
self.assertIs(self.Basic(mock_value).to_json(), mock_value)
def test_to_json_nested(self):
self.assertEqual(self.nested.to_json(), [['foo1']])
def test_to_json(self):
self.assertEqual(self.tuple.to_json(), (('foo', )))
def test_from_json_not_implemented(self):
from josepy.interfaces import JSONDeSerializable
self.assertRaises(TypeError, JSONDeSerializable.from_json, 'xxx')
def test_json_loads(self):
seq = self.Sequence.json_loads('["foo1", "foo2"]')
self.assertIsInstance(seq, self.Sequence)
self.assertIsInstance(seq.x, self.Basic)
self.assertIsInstance(seq.y, self.Basic)
self.assertEqual(seq.x.v, 'foo1')
self.assertEqual(seq.y.v, 'foo2')
def test_json_dumps(self):
self.assertEqual('["foo1", "foo2"]', self.seq.json_dumps())
def test_json_dumps_pretty(self):
self.assertEqual(self.seq.json_dumps_pretty(),
'[\n "foo1",\n "foo2"\n]')
def test_json_dump_default(self):
from josepy.interfaces import JSONDeSerializable
self.assertEqual(
'foo1', JSONDeSerializable.json_dump_default(self.basic1))
jobj = JSONDeSerializable.json_dump_default(self.seq)
self.assertEqual(len(jobj), 2)
self.assertIs(jobj[0], self.basic1)
self.assertIs(jobj[1], self.basic2)
def test_json_dump_default_type_error(self):
from josepy.interfaces import JSONDeSerializable
self.assertRaises(
TypeError, JSONDeSerializable.json_dump_default, object())
if __name__ == '__main__':
unittest.main() # pragma: no cover
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