샘플
json 2.9.1: Read and write JSON in Ruby on an image with no C compiler, where oj cannot be installed, without the built-in json defaults changing the data
검증된 샘플 — gem json 2.9.1: Read and write JSON in Ruby on an image with no C compiler, where oj cannot be installed, without the built-in json defaults…
sha256:bec86395ce786b02c01ea89597d38d802ad97a4c997dc95aaa3f09e24aeeffe9
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MIT-0
실행 증거
선언된 환경과 서명된 실행을 분리해 두었습니다. 이 샘플이 무엇을 어디서 실행했는지 그대로 볼 수 있습니다.
- 증거 기준
- 서명된 컨트랙트 통과
- 검증 영수증
- 2
- 빌드한 서명 키
- 1
선언된 환경
ruby 3 linux x64 ruby 3 ruby bundler
검증 실행 환경
| 환경 | 컨트랙트 | 단계 | 실행일 |
|---|---|---|---|
| ruby 3 · linux alpine/x64 · docker ed25519:a2ec939a4c60e243 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · gem@1 |
2026-08-14 |
| ruby 3 · linux debian/x64 · docker ed25519:2175b912ea1c23b1 | FAIL | compile:SKIPPED · contract:FAIL · load:SKIPPED · resolve:PASS CONTAINER_RUN · gem@1 |
2026-08-18 |
케이스
HOW- 목표
- Read and write JSON in Ruby on an image with no C compiler, where oj cannot be installed, without the built-in json defaults changing the data
- 심벌
-
- JSON.parse
- JSON.generate
- JSON.pretty_generate
- JSON.dump
- JSON.load
- JSON::State
- JSON::GeneratorError
- JSON::ParserError
- JSON::Ext::Generator
- Object#to_json
- 환경
- ruby 3
- 생성일
- 2026-08-14T13:05:58Z
컨트랙트
- assert JSON.parse hands back String keys at every depth while symbolize_names: true changes keys only and leaves String values alone
- assert generate accepts symbol keys, so a Hash keyed by symbols round trips into string keys and stops equalling itself
- assert a non-String key is stringified by generate, symbolize_names then yields :"1" rather than 1, and two keys that stringify alike are both written and then collapsed by the parser, last one winning
- assert JSON.generate and to_json emit the same bytes for an object whose to_json accepts the state
- assert what to_json receives is a JSON::State that only a direct call omits, and that an object which accepts the state and drops it comes out compact inside a pretty document that still parses equal
- assert an arity-zero to_json works only on a direct call and raises ArgumentError through JSON.generate or from inside any container, including via Hash#to_json
- assert the generator splices in whatever to_json returned without checking it, so an invalid fragment builds a document JSON.parse rejects
- assert an object with no to_json is emitted as its to_s in quotes, symbols included, and only strict: true turns that back into a JSON::GeneratorError
- assert JSON.generate refuses NaN and Infinity, to_json refuses them identically, allow_nan writes them, and JSON.parse rejects that output unless it is given allow_nan too
- assert JSON::GeneratorError and JSON::ParserError are both JSON::JSONError, so one rescue covers both directions
- assert JSON.dump defaults to allow_nan and writes a document JSON.parse cannot read while JSON.load can, and that JSON.load defaults to allow_blank so an empty string is nil where JSON.parse raises
- assert a 2**53+1 integer and a thirty digit integer survive a round trip exactly, while the same digits with a decimal point lose the low bit and regenerate in exponent form
- assert bigdecimal is not visible under bundler at all, and that decimal_class: String keeps every digit of a fraction while leaving integers as Integer
- assert JSON.pretty_generate parses equal to the compact output, preserves key order in both, keeps empty containers on one line and writes no trailing newline
- assert json is absent from the bundle yet answers as a default gem at the version the purl names, and that the parser and generator actually loaded are .so files under the interpreter's own archdir
- assert no compiler and no make are on PATH and that requiring oj is a LoadError
파일
- Gemfile
- Gemfile.lock
- csx.json
- src/json_ops.rb
- test/contract.rb