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from enum import Enum |
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from typing import List, Tuple |
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from unittest.case import TestCase |
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import datetime |
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import jsons |
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import json |
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from jsons import JsonSerializable |
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from jsons._common_impl import snakecase, camelcase, pascalcase, lispcase |
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class TestJsons(TestCase): |
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def test_dump_str(self): |
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self.assertEqual('some string', jsons.dump('some string')) |
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def test_dump_int(self): |
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self.assertEqual(123, jsons.dump(123)) |
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def test_dump_float(self): |
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self.assertEqual(123.456, jsons.dump(123.456)) |
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def test_dump_bool(self): |
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self.assertEqual(True, jsons.dump(True)) |
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def test_dump_dict(self): |
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d = datetime.datetime(year=2018, month=7, day=8, hour=21, minute=34) |
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dict_ = {'a': {'b': {'c': {'d': d}}}} |
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expectation = {'a': {'b': {'c': {'d': '2018-07-08T21:34:00Z'}}}} |
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self.assertEqual(expectation, jsons.dump(dict_)) |
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def test_dump_none(self): |
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self.assertEqual(None, jsons.dump(None)) |
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def test_dump_datetime(self): |
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d = datetime.datetime(year=2018, month=7, day=8, hour=21, minute=34) |
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self.assertEqual('2018-07-08T21:34:00Z', jsons.dump(d)) |
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def test_dump_datetime_with_microseconds(self): |
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d = datetime.datetime(year=2018, month=7, day=8, hour=21, minute=34, |
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microsecond=123456) |
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self.assertEqual('2018-07-08T21:34:00.123456Z', jsons.dump(d)) |
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def test_dump_enum(self): |
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class E(Enum): |
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x = 1 |
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y = 2 |
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self.assertEqual('x', jsons.dump(E.x)) |
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self.assertEqual(2, jsons.dump(E.y, use_enum_name=False)) |
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def test_dump_list(self): |
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d = datetime.datetime(year=2018, month=7, day=8, hour=21, minute=34) |
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l = [1, 2, 3, [4, 5, [d]]] |
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self.assertEqual([1, 2, 3, [4, 5, ['2018-07-08T21:34:00Z']]], |
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jsons.dump(l)) |
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def test_dump_tuple(self): |
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dat = datetime.datetime(year=2018, month=7, day=8, hour=21, minute=34) |
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tup = (1, 2, 3, [4, 5, (dat,)]) |
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self.assertEqual([1, 2, 3, [4, 5, ['2018-07-08T21:34:00Z']]], |
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jsons.dump(tup)) |
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def test_dump_object(self): |
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class A: |
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def __init__(self): |
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self.name = 'A' |
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class B: |
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def __init__(self, a): |
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self.a = a |
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self.name = 'B' |
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b = B(A()) |
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self.assertEqual({'name': 'B', 'a': {'name': 'A'}}, jsons.dump(b)) |
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def test_load_str(self): |
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self.assertEqual('some string', jsons.load('some string')) |
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def test_load_int(self): |
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self.assertEqual(123, jsons.load(123)) |
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def test_load_float(self): |
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self.assertEqual(123.456, jsons.load(123.456)) |
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def test_load_bool(self): |
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self.assertEqual(True, jsons.load(True)) |
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def test_load_dict(self): |
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dumped = {'a': {'b': {'c': {'d': '2018-07-08T21:34:00Z'}}}} |
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loaded = jsons.load(dumped) |
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self.assertEqual(loaded['a']['b']['c']['d'].year, 2018) |
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self.assertEqual(loaded['a']['b']['c']['d'].month, 7) |
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self.assertEqual(loaded['a']['b']['c']['d'].day, 8) |
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self.assertEqual(loaded['a']['b']['c']['d'].hour, 21) |
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self.assertEqual(loaded['a']['b']['c']['d'].minute, 34) |
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self.assertEqual(loaded['a']['b']['c']['d'].second, 0) |
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def test_load_none(self): |
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self.assertEqual(None, jsons.load(None)) |
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def test_load_datetime(self): |
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dat = datetime.datetime(year=2018, month=7, day=8, hour=21, minute=34) |
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self.assertEqual(dat, jsons.load('2018-07-08T21:34:00Z')) |
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def test_load_enum(self): |
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class E(Enum): |
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x = 1 |
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y = 2 |
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self.assertEqual(E.x, jsons.load('x', E)) |
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self.assertEqual(E.y, jsons.load(2, E, use_enum_name=False)) |
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def test_load_list(self): |
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dat = datetime.datetime(year=2018, month=7, day=8, hour=21, minute=34) |
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list_ = [1, 2, 3, [4, 5, [dat]]] |
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expectation = [1, 2, 3, [4, 5, ['2018-07-08T21:34:00Z']]] |
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self.assertEqual(list_, jsons.load(expectation)) |
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def test_load_tuple(self): |
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dat = datetime.datetime(year=2018, month=7, day=8, hour=21, minute=34) |
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tup = (1, ([dat],)) |
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expectation = (1, (['2018-07-08T21:34:00Z'],)) |
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cls = Tuple[int, Tuple[List[datetime.datetime]]] |
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self.assertEqual(tup, jsons.load(expectation, cls)) |
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def test_load_object(self): |
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class A: |
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def __init__(self): |
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self.name = 'A' |
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class B: |
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def __init__(self, a: A): |
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self.a = a |
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self.name = 'B' |
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b = B(A()) |
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loaded_b = jsons.load({'name': 'B', 'a': {'name': 'A'}}, B) |
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self.assertEqual(b.name, loaded_b.name) |
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self.assertEqual(b.a.name, loaded_b.a.name) |
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def test_load_object_with_default_value(self): |
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class A: |
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def __init__(self, x, y = 2): |
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self.x = x |
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self.y = y |
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a = A(1) |
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loaded_a = jsons.load({'x': 1}, A) |
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self.assertEqual(a.x, loaded_a.x) |
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self.assertEqual(a.y, loaded_a.y) |
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def test_dump_load_object_deep(self): |
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class A: |
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def __init__(self): |
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self.name = 'A' |
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class B: |
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def __init__(self, list_a: List[A], |
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list_dates: List[datetime.datetime]): |
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self.list_a = list_a |
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self.list_dates = list_dates |
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self.name = 'B' |
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class C: |
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def __init__(self, list_b: List[B]): |
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self.list_b = list_b |
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c = C([B([A(), A()], []), |
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B([], [datetime.datetime.now(), datetime.datetime.now()])]) |
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dumped_c = jsons.dump(c) |
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loaded_c = jsons.load(dumped_c, C) |
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self.assertEqual(loaded_c.list_b[0].name, 'B') |
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self.assertEqual(loaded_c.list_b[0].list_a[0].name, 'A') |
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self.assertEqual(loaded_c.list_b[0].list_a[1].name, 'A') |
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self.assertEqual(loaded_c.list_b[1].list_dates[0].year, |
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c.list_b[1].list_dates[0].year) |
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self.assertEqual(loaded_c.list_b[1].list_dates[0].month, |
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c.list_b[1].list_dates[0].month) |
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self.assertEqual(loaded_c.list_b[1].list_dates[0].day, |
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c.list_b[1].list_dates[0].day) |
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self.assertEqual(loaded_c.list_b[1].list_dates[0].hour, |
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c.list_b[1].list_dates[0].hour) |
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self.assertEqual(loaded_c.list_b[1].list_dates[0].minute, |
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c.list_b[1].list_dates[0].minute) |
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self.assertEqual(loaded_c.list_b[1].list_dates[0].second, |
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c.list_b[1].list_dates[0].second) |
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def test_dumps(self): |
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class A: |
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def __init__(self): |
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self.name = 'A' |
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class B: |
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def __init__(self, a: A): |
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self.a = a |
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self.name = 'B' |
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sdumped = jsons.dumps(B(A())) |
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s = json.dumps({'a': {'name': 'A'}, 'name': 'B'}) |
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self.assertEqual(s, sdumped) |
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def test_loads(self): |
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class A: |
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def __init__(self): |
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self.name = 'A' |
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class B: |
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def __init__(self, a: A): |
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self.a = a |
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self.name = 'B' |
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s = json.dumps({'a': {'name': 'A'}, 'name': 'B'}) |
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loaded_dict = jsons.loads(s) |
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self.assertEqual('B', loaded_dict['name']) |
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self.assertEqual('A', loaded_dict['a']['name']) |
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loaded_obj = jsons.loads(s, B) |
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self.assertEqual('B', loaded_obj.name) |
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self.assertEqual('A', loaded_obj.a.name) |
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def test_jsonserializable(self): |
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class Person(JsonSerializable): |
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def __init__(self, name, age): |
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self.name = name |
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self.age = age |
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person = Person('John', 65) |
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person_json = person.json |
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person_loaded = Person.from_json(person_json) |
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self.assertEqual(person_json, {'name': 'John', 'age': 65}) |
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self.assertEqual(person.dump(), {'name': 'John', 'age': 65}) |
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self.assertEqual(person_loaded.name, 'John') |
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self.assertEqual(person_loaded.age, 65) |
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self.assertEqual(Person.load(person_json).name, 'John') |
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self.assertEqual(Person.load(person_json).age, 65) |
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def test_case_transformers(self): |
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camelcase_str = 'camelCase' |
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snakecase_str = 'snake_case' |
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pascalcase_str = 'Pascal_case' |
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pascalcase_str2 = 'ABcDe' |
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lispcase_str = 'lisp-case' |
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self.assertEqual(camelcase(camelcase_str), 'camelCase') |
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self.assertEqual(camelcase(snakecase_str), 'snakeCase') |
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self.assertEqual(camelcase(pascalcase_str), 'pascalCase') |
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self.assertEqual(camelcase(pascalcase_str2), 'aBcDe') |
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self.assertEqual(camelcase(lispcase_str), 'lispCase') |
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self.assertEqual(snakecase(camelcase_str), 'camel_case') |
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self.assertEqual(snakecase(snakecase_str), 'snake_case') |
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self.assertEqual(snakecase(pascalcase_str), 'pascal_case') |
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self.assertEqual(snakecase(pascalcase_str2), 'a_bc_de') |
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self.assertEqual(snakecase(lispcase_str), 'lisp_case') |
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self.assertEqual(pascalcase(camelcase_str), 'CamelCase') |
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self.assertEqual(pascalcase(snakecase_str), 'SnakeCase') |
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self.assertEqual(pascalcase(pascalcase_str), 'PascalCase') |
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self.assertEqual(pascalcase(pascalcase_str2), 'ABcDe') |
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self.assertEqual(pascalcase(lispcase_str), 'LispCase') |
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self.assertEqual(lispcase(camelcase_str), 'camel-case') |
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self.assertEqual(lispcase(snakecase_str), 'snake-case') |
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self.assertEqual(lispcase(pascalcase_str), 'pascal-case') |
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self.assertEqual(lispcase(pascalcase_str2), 'a-bc-de') |
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self.assertEqual(lispcase(lispcase_str), 'lisp-case') |
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def test_serialize_and_deserialize_with_case_transformer(self): |
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class A: |
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def __init__(self, snake_case_str): |
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self.snake_case_str = snake_case_str |
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class B: |
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def __init__(self, a_obj: A, camel_case_str): |
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self.a_obj = a_obj |
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self.camel_case_str = camel_case_str |
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b = B(A('one_two'), 'theeFour') |
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dumped_pascalcase = \ |
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jsons.dump(b, key_transformer=jsons.KEY_TRANSFORMER_PASCALCASE) |
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loaded_snakecase = \ |
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jsons.load(dumped_pascalcase, B, |
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key_transformer=jsons.KEY_TRANSFORMER_SNAKECASE) |
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expected_dump = {'AObj': {'SnakeCaseStr': 'one_two'}, |
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'CamelCaseStr': 'theeFour'} |
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self.assertEqual(expected_dump, dumped_pascalcase) |
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self.assertEqual(loaded_snakecase.a_obj.snake_case_str, 'one_two') |
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self.assertEqual(loaded_snakecase.camel_case_str, 'theeFour') |
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