93 lines
2.1 KiB
Python
93 lines
2.1 KiB
Python
import sys
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from dataclasses import asdict, dataclass
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from functools import partial
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from json import dumps as sdumps
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import pytest
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try:
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from ujson import dumps as udumps
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NO_UJSON = False
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DEFAULT_DUMPS = udumps
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except ModuleNotFoundError:
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NO_UJSON = True
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DEFAULT_DUMPS = partial(sdumps, separators=(",", ":"))
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from sanic import Sanic
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from sanic.response import BaseHTTPResponse, json
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@dataclass
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class Foo:
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bar: str
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def __json__(self):
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return udumps(asdict(self))
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@pytest.fixture
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def foo():
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return Foo(bar="bar")
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@pytest.fixture
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def payload(foo):
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return {"foo": foo}
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@pytest.fixture(autouse=True)
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def default_back_to_ujson():
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yield
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BaseHTTPResponse._dumps = DEFAULT_DUMPS
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def test_change_encoder():
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Sanic("Test", dumps=sdumps)
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assert BaseHTTPResponse._dumps == sdumps
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def test_change_encoder_to_some_custom():
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def my_custom_encoder():
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return "foo"
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Sanic("Test", dumps=my_custom_encoder)
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assert BaseHTTPResponse._dumps == my_custom_encoder
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@pytest.mark.skipif(NO_UJSON is True, reason="ujson not installed")
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def test_json_response_ujson(payload):
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"""ujson will look at __json__"""
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response = json(payload)
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assert response.body == b'{"foo":{"bar":"bar"}}'
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with pytest.raises(
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TypeError, match="Object of type Foo is not JSON serializable"
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):
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json(payload, dumps=sdumps)
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Sanic("Test", dumps=sdumps)
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with pytest.raises(
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TypeError, match="Object of type Foo is not JSON serializable"
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):
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json(payload)
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@pytest.mark.skipif(NO_UJSON is True, reason="ujson not installed")
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def test_json_response_json():
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"""One of the easiest ways to tell the difference is that ujson cannot
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serialize over 64 bits"""
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too_big_for_ujson = 111111111111111111111
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with pytest.raises(OverflowError, match="int too big to convert"):
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json(too_big_for_ujson)
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response = json(too_big_for_ujson, dumps=sdumps)
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assert sys.getsizeof(response.body) == 54
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Sanic("Test", dumps=sdumps)
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response = json(too_big_for_ujson)
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assert sys.getsizeof(response.body) == 54
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