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test_encode_custom_json_encoders_model_pydanticv2() — fastapi Function Reference

Architecture documentation for the test_encode_custom_json_encoders_model_pydanticv2() function in test_jsonable_encoder.py from the fastapi codebase.

Function python FastAPI Routing calls 3

Entity Profile

Dependency Diagram

graph TD
  a3bb3705_7383_2a9b_2bd8_7b9eb6335743["test_encode_custom_json_encoders_model_pydanticv2()"]
  80ce950d_4c72_e7d9_21bb_a5c60524786c["test_jsonable_encoder.py"]
  a3bb3705_7383_2a9b_2bd8_7b9eb6335743 -->|defined in| 80ce950d_4c72_e7d9_21bb_a5c60524786c
  e9196f64_5130_591a_2468_ec6a5432629b["serialize_dt_field()"]
  a3bb3705_7383_2a9b_2bd8_7b9eb6335743 -->|calls| e9196f64_5130_591a_2468_ec6a5432629b
  78cf9f6d_f562_f455_e0de_8806b95a89f1["isoformat()"]
  a3bb3705_7383_2a9b_2bd8_7b9eb6335743 -->|calls| 78cf9f6d_f562_f455_e0de_8806b95a89f1
  1ac1bc37_1a47_e7e2_9156_ab0473094700["jsonable_encoder()"]
  a3bb3705_7383_2a9b_2bd8_7b9eb6335743 -->|calls| 1ac1bc37_1a47_e7e2_9156_ab0473094700
  style a3bb3705_7383_2a9b_2bd8_7b9eb6335743 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

tests/test_jsonable_encoder.py lines 140–156

def test_encode_custom_json_encoders_model_pydanticv2():
    from pydantic import field_serializer

    class ModelWithCustomEncoder(BaseModel):
        dt_field: datetime

        @field_serializer("dt_field")
        def serialize_dt_field(self, dt):
            return dt.replace(microsecond=0, tzinfo=timezone.utc).isoformat()

    class ModelWithCustomEncoderSubclass(ModelWithCustomEncoder):
        pass

    model = ModelWithCustomEncoder(dt_field=datetime(2019, 1, 1, 8))
    assert jsonable_encoder(model) == {"dt_field": "2019-01-01T08:00:00+00:00"}
    subclass_model = ModelWithCustomEncoderSubclass(dt_field=datetime(2019, 1, 1, 8))
    assert jsonable_encoder(subclass_model) == {"dt_field": "2019-01-01T08:00:00+00:00"}

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Frequently Asked Questions

What does test_encode_custom_json_encoders_model_pydanticv2() do?
test_encode_custom_json_encoders_model_pydanticv2() is a function in the fastapi codebase, defined in tests/test_jsonable_encoder.py.
Where is test_encode_custom_json_encoders_model_pydanticv2() defined?
test_encode_custom_json_encoders_model_pydanticv2() is defined in tests/test_jsonable_encoder.py at line 140.
What does test_encode_custom_json_encoders_model_pydanticv2() call?
test_encode_custom_json_encoders_model_pydanticv2() calls 3 function(s): isoformat, jsonable_encoder, serialize_dt_field.

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