49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
import json
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from tests.output_betterproto.proto3_field_presence import (
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InnerTest,
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Test,
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TestEnum,
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)
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def test_null_fields_json():
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"""Ensure that using "null" in JSON is equivalent to not specifying a
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field, for fields with explicit presence"""
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def test_json(ref_json: str, obj_json: str) -> None:
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"""`ref_json` and `obj_json` are JSON strings describing a `Test` object.
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Test that deserializing both leads to the same object, and that
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`ref_json` is the normalized format."""
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ref_obj = Test().from_json(ref_json)
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obj = Test().from_json(obj_json)
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assert obj == ref_obj
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assert json.loads(obj.to_json(0)) == json.loads(ref_json)
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test_json("{}", '{ "test1": null, "test2": null, "test3": null }')
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test_json("{}", '{ "test4": null, "test5": null, "test6": null }')
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test_json("{}", '{ "test7": null, "test8": null }')
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test_json('{ "test5": {} }', '{ "test3": null, "test5": {} }')
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# Make sure that if include_default_values is set, None values are
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# exported.
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obj = Test()
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assert obj.to_dict() == {}
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assert obj.to_dict(include_default_values=True) == {
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"test1": None,
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"test2": None,
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"test3": None,
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"test4": None,
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"test5": None,
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"test6": None,
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"test7": None,
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"test8": None,
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"test9": None,
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}
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def test_unset_access(): # see #523
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assert Test().test1 is None
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assert Test(test1=None).test1 is None
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