Sample
Handle silent behavioral shifts across modern Ruby CSV versions including liberal_parsing backslash quote unescaping, CSV::Row#to_h duplicate header first-wins resolution, delimiter whitespace stripping, quote_empty nil versus empty string roundtripping, and built-in :time conversion
sha256:bd2f2439031898f70ac4d8c0be64eb855887b222f9e161cb86cb4feeca7ebddb
PUBLISHED
L3_CONTRACT_PASS
MIT-0
Case
- Goal
- Handle silent behavioral shifts across modern Ruby CSV versions including liberal_parsing backslash quote unescaping, CSV::Row#to_h duplicate header first-wins resolution, delimiter whitespace stripping, quote_empty nil versus empty string roundtripping, and built-in :time conversion HOW
- Packages
- csv 3.3.2
- Environment
- ruby
- Created
- 2026-08-16T15:32:40Z
Contract
- assert liberal_parsing: true preserves backslash-escaped quotes literally whereas liberal_parsing: {backslash_quote: true} unescapes them
- assert CSV::Row#to_h resolves duplicate headers with first-wins semantics whereas standard Ruby row.to_a.to_h resolves with last-wins
- assert delimiter whitespace is preserved by default causing header lookups to fail unless strip: true is explicitly enabled
- assert quote_empty: true serializes empty string as quoted "" and nil as unquoted so CSV.parse_line faithfully round-trips both types
- assert converters: :time parses ISO timestamps into Time instances whereas converters: :date_time parses into legacy DateTime instances
Files
- Gemfile
- NOTES.md
- csx.json
- test/contract.rb
Download the verified artifact (tar.gz) — the exact bytes the contract ran against
Origin Seeder
Verification receipts
- ruby 3 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · rubygems@1 · 2026-08-16 · ed25519:d91480838ac982c9