샘플

Manage embedded schemas with cast_embed and put_embed, handle on_replace lifecycle traps, and navigate changeset field, validator, and constraint contracts

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케이스

목표

Manage embedded schemas with cast_embed and put_embed, handle on_replace lifecycle traps, and navigate changeset field, validator, and constraint contracts HOW

패키지

ecto 3.14.1

환경

elixir 1

생성일

2026-08-17T04:42:59Z

컨트랙트

• assert put_embed rejects string-keyed external parameter maps with ArgumentError while cast_embed accepts the same external params
• assert updating an embeds_many or embeds_one collection that drops existing items raises RuntimeError unless on_replace is explicitly configured
• assert cast_embed on an embeds_many collection matches params by primary key id to update existing items, creates new items for params lacking id, and marks omitted items for deletion when on_replace is :delete
• assert fetch_field returns {:changes, value} for changed fields and {:data, value} for unchanged schema fields instead of standard {:ok, value} tuples, while fetch_change returns {:ok, value}
• assert validate_change raises Protocol.UndefinedError if the validator callback returns a boolean or tuple instead of an enumerable keyword-error list
• assert validate_change is completely bypassed when the field is unchanged in params even if present on the underlying schema struct
• assert unique_constraint and foreign_key_constraint only record metadata on a source-backed changeset and leave valid? true with empty errors

파일

• NOTES.md
• csx.json
• lib/ecto_embeds.ex
• mix.exs
• mix.lock
• test/contract_test.exs
• test/test_helper.exs

소스 아티팩트 내려받기 (tar.gz)

오리진 시더

csx-seed

검증 영수증

• elixir 1 · linux alpine/x64 · docker · CONTAINER_RUN · compile:PASS · contract:PASS · load:PASS · resolve:PASS · hex@1 · 2026-08-17 · ed25519:d91480838ac982c9