131 lines
3.9 KiB
Python
131 lines
3.9 KiB
Python
""" Test utility functionality."""
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from ..utils import JSONSerializable, DatetimeDecimalEncoder, is_invalid_params
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import datetime
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import decimal
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import json
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import sys
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if sys.version_info < (3, 3):
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from mock import patch
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else:
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from unittest.mock import patch
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if sys.version_info < (2, 7):
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import unittest2 as unittest
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else:
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import unittest
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class TestJSONSerializable(unittest.TestCase):
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""" Test JSONSerializable functionality."""
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def setUp(self):
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class A(JSONSerializable):
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@property
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def json(self):
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pass
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self._class = A
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def test_abstract_class(self):
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with self.assertRaises(TypeError):
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JSONSerializable()
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self._class()
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def test_definse_serialize_deserialize(self):
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""" Test classmethods of inherited class."""
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self.assertEqual(self._class.serialize({}), "{}")
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self.assertEqual(self._class.deserialize("{}"), {})
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def test_from_json(self):
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self.assertTrue(isinstance(self._class.from_json('{}'), self._class))
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def test_from_json_incorrect(self):
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with self.assertRaises(ValueError):
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self._class.from_json('[]')
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class TestDatetimeDecimalEncoder(unittest.TestCase):
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""" Test DatetimeDecimalEncoder functionality."""
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def test_date_encoder(self):
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obj = datetime.date.today()
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with self.assertRaises(TypeError):
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json.dumps(obj)
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self.assertEqual(
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json.dumps(obj, cls=DatetimeDecimalEncoder),
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'"{0}"'.format(obj.isoformat()),
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)
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def test_datetime_encoder(self):
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obj = datetime.datetime.now()
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with self.assertRaises(TypeError):
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json.dumps(obj)
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self.assertEqual(
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json.dumps(obj, cls=DatetimeDecimalEncoder),
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'"{0}"'.format(obj.isoformat()),
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)
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def test_decimal_encoder(self):
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obj = decimal.Decimal('0.1')
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with self.assertRaises(TypeError):
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json.dumps(obj)
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result = json.dumps(obj, cls=DatetimeDecimalEncoder)
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self.assertTrue(isinstance(result, str))
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self.assertEqual(float(result), float(0.1))
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def test_default(self):
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encoder = DatetimeDecimalEncoder()
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with patch.object(json.JSONEncoder, 'default') as json_default:
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encoder.default("")
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self.assertEqual(json_default.call_count, 1)
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class TestUtils(unittest.TestCase):
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""" Test utils functions."""
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def test_is_invalid_params_builtin(self):
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self.assertTrue(is_invalid_params(sum, 0, 0))
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# NOTE: builtin functions could not be recognized by inspect.isfunction
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# It would raise TypeError if parameters are incorrect already.
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# self.assertFalse(is_invalid_params(sum, [0, 0])) # <- fails
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def test_is_invalid_params_args(self):
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self.assertTrue(is_invalid_params(lambda a, b: None, 0))
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self.assertTrue(is_invalid_params(lambda a, b: None, 0, 1, 2))
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def test_is_invalid_params_kwargs(self):
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self.assertTrue(is_invalid_params(lambda a: None, **{}))
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self.assertTrue(is_invalid_params(lambda a: None, **{"a": 0, "b": 1}))
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def test_invalid_params_correct(self):
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self.assertFalse(is_invalid_params(lambda: None))
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self.assertFalse(is_invalid_params(lambda a: None, 0))
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self.assertFalse(is_invalid_params(lambda a, b=0: None, 0))
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self.assertFalse(is_invalid_params(lambda a, b=0: None, 0, 0))
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def test_is_invalid_params_mixed(self):
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self.assertFalse(is_invalid_params(lambda a, b: None, 0, **{"b": 1}))
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self.assertFalse(is_invalid_params(
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lambda a, b, c=0: None, 0, **{"b": 1}))
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def test_is_invalid_params_py2(self):
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with patch('jsonrpc.utils.sys') as mock_sys:
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mock_sys.version_info = (2, 7)
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with patch('jsonrpc.utils.is_invalid_params_py2') as mock_func:
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is_invalid_params(lambda a: None, 0)
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assert mock_func.call_count == 1
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