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| 1 | +# SPDX-License-Identifier: (Apache-2.0 OR MIT) |
| 2 | + |
| 3 | +import unittest |
| 4 | +import pytest |
| 5 | +import sys |
| 6 | + |
| 7 | +from dataclasses import dataclass, field |
| 8 | +from typing import Optional |
| 9 | + |
| 10 | +import orjson |
| 11 | + |
| 12 | + |
| 13 | +@dataclass |
| 14 | +class Dataclass1: |
| 15 | + name: str |
| 16 | + number: int |
| 17 | + sub: Optional["Dataclass1"] |
| 18 | + |
| 19 | + |
| 20 | +@dataclass |
| 21 | +class Dataclass2: |
| 22 | + name: Optional[str] = field(default="?") |
| 23 | + |
| 24 | + |
| 25 | +@dataclass |
| 26 | +class Dataclass3: |
| 27 | + a: str |
| 28 | + b: int |
| 29 | + c: dict |
| 30 | + d: bool |
| 31 | + e: float |
| 32 | + f: list |
| 33 | + g: tuple |
| 34 | + |
| 35 | + |
| 36 | +@dataclass |
| 37 | +class Dataclass4: |
| 38 | + a: str = field() |
| 39 | + b: int = field(metadata={"unrelated": False}) |
| 40 | + c: float |
| 41 | + |
| 42 | + |
| 43 | +class Datasubclass(Dataclass1): |
| 44 | + number: float |
| 45 | + |
| 46 | + |
| 47 | +class DataclassTests(unittest.TestCase): |
| 48 | + def test_dataclass(self): |
| 49 | + """ |
| 50 | + dumps() dataclass |
| 51 | + """ |
| 52 | + obj = Dataclass1("a", 1, None) |
| 53 | + self.assertEqual(orjson.dumps(obj), b'{"name":"a","number":1,"sub":null}') |
| 54 | + |
| 55 | + def test_dataclass_recursive(self): |
| 56 | + """ |
| 57 | + dumps() dataclass recursive |
| 58 | + """ |
| 59 | + obj = Dataclass1("a", 1, Dataclass1("b", 2, None)) |
| 60 | + self.assertEqual( |
| 61 | + orjson.dumps(obj), |
| 62 | + b'{"name":"a","number":1,"sub":{"name":"b","number":2,"sub":null}}', |
| 63 | + ) |
| 64 | + |
| 65 | + def test_dataclass_circular(self): |
| 66 | + """ |
| 67 | + dumps() dataclass circular |
| 68 | + """ |
| 69 | + obj1 = Dataclass1("a", 1, None) |
| 70 | + obj2 = Dataclass1("b", 2, obj1) |
| 71 | + obj1.sub = obj2 |
| 72 | + with self.assertRaises(orjson.JSONEncodeError): |
| 73 | + orjson.dumps(obj1) |
| 74 | + |
| 75 | + def test_dataclass_default(self): |
| 76 | + """ |
| 77 | + dumps() dataclass default |
| 78 | + """ |
| 79 | + obj = Dataclass2() |
| 80 | + self.assertEqual(orjson.dumps(obj), b'{"name":"?"}') |
| 81 | + |
| 82 | + def test_dataclass_types(self): |
| 83 | + """ |
| 84 | + dumps() dataclass types |
| 85 | + """ |
| 86 | + obj = Dataclass3("a", 1, {"a": "b"}, True, 1.1, [1, 2], (3, 4)) |
| 87 | + self.assertEqual( |
| 88 | + orjson.dumps(obj), |
| 89 | + b'{"a":"a","b":1,"c":{"a":"b"},"d":true,"e":1.1,"f":[1,2],"g":[3,4]}', |
| 90 | + ) |
| 91 | + |
| 92 | + def test_dataclass_metadata(self): |
| 93 | + """ |
| 94 | + dumps() dataclass metadata |
| 95 | + """ |
| 96 | + obj = Dataclass4("a", 1, 2.1) |
| 97 | + self.assertEqual(orjson.dumps(obj), b'{"a":"a","b":1,"c":2.1}') |
| 98 | + |
| 99 | + def test_dataclass_subclass(self): |
| 100 | + """ |
| 101 | + dumps() dataclass subclass |
| 102 | + """ |
| 103 | + obj = Datasubclass("a", 1.0, None) |
| 104 | + self.assertEqual(orjson.dumps(obj), b'{"name":"a","number":1.0,"sub":null}') |
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