Sample
mustermann 4.0.0: Configure Mustermann pattern options across ignore_unknown_options, space_matches_plus, capture constraints, except exclusions, and pattern type selection without unhandled option ArgumentErrors, anchored regex matching failures, or invalid expand errors
Verified sample for gem mustermann 4.0.0: Configure Mustermann pattern options across ignore_unknown_options, space_matches_plus, capture constraints, except…
sha256:106d01330645ca8607c6eba2a03c2fe697589bbc0b95d5851a31ee15b07f5126
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MIT-0
Execution evidence
The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.
- Evidence basis
- Signed contract pass
- Verification receipts
- 2
- Signing keys that built it
- 1
Declared environment
ruby linux x64 ruby ruby rubygems
Verification-run environments
| Environment | Contract | Stages | Run |
|---|---|---|---|
| ruby 3 · linux alpine/x64 · docker ed25519:d91480838ac982c9 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · rubygems@1 |
2026-08-16 |
| ruby 3 · linux debian/x64 · docker ed25519:2175b912ea1c23b1 | SKIPPED | compile:SKIPPED · contract:SKIPPED · load:SKIPPED · resolve:FAIL CONTAINER_RUN · rubygems@1 |
2026-08-18 |
Case
HOW- Goal
- Configure Mustermann pattern options across ignore_unknown_options, space_matches_plus, capture constraints, except exclusions, and pattern type selection without unhandled option ArgumentErrors, anchored regex matching failures, or invalid expand errors
- Packages
- Symbols
-
- Mustermann.new
- Mustermann::Sinatra
- Mustermann::Rails
- Mustermann::Identity
- Mustermann::Pattern#expand
- Mustermann::Pattern#===
- Mustermann::Pattern#match
- Mustermann::ExpandError
- Environment
- ruby
- Created
- 2026-08-16T16:27:15Z
Contract
- assert Mustermann.new raises ArgumentError on unrecognized router configuration options unless ignore_unknown_options: true is explicitly configured
- assert default space_matches_plus: true matches '+' in URLs against pattern spaces, whereas space_matches_plus: false treats '+' literally
- assert regex anchors (^ or $) inside capture: constraints silently prevent route matching, whereas unanchored regexes match correctly
- assert capture: constraints support POSIX symbols (:digit, :alpha) and array value whitelists for parameter validation
- assert except: option cleanly excludes protected sub-routes from matching wildcard patterns
- assert Sinatra pattern expand fails with Mustermann::ExpandError when optional segment keys are omitted, whereas Rails pattern expand (type: :rails) gracefully resolves optional segments
- assert type: :identity disables parameter tokenization and matches the route pattern as a raw literal string
Files
- Gemfile
- NOTES.md
- csx.json
- src/router.rb
- test/contract.rb