pdftract/crates/pdftract-core/Cargo.toml
jedarden f7e2db9134 feat(pdftract-33v): implement property tests and nightly fuzz job
Implements Phase 0.5: Property tests and nightly fuzz job for pdftract.

## Changes

### Per-PR Property Tests
- Added ci-proptest profile to .cargo/config.toml (opt-level 2, no LTO)
- Added .nextest.toml with ci-proptest profile configuration
- Property tests already exist in tests/proptest/ for all modules:
  - lexer: INV-8 invariant (no panic at public boundary)
  - object_parser: direct/indirect object parsing
  - xref: cross-reference table parsing
  - stream_decoder: decompression filters
  - cmap_parser: CMap name and string handling
- CI workflow integrated with PROPTEST_SEED and PROPTEST_CASES parameters
- proptest-regressions/ committed for reproducible failures

### Nightly Fuzz Job
- Created pdftract-nightly-fuzz.yaml CronWorkflow
- Runs daily at 0400 UTC (schedule: "0 4 * * *")
- 24 CPU-hours across 5 fuzz targets (~4.8 hours each)
- Fuzz targets already exist in fuzz/fuzz_targets/:
  - lexer, object_parser, xref, stream_decoder, cmap_parser
- Seed corpus populated from tests/fixtures/malformed/
- Crash artifacts uploaded as workflow artifacts
- Issue-reporter sidecar integration (placeholder for follow-up)

### Core Features
- Added fuzzing feature to crates/pdftract-core/Cargo.toml
- Enables cfg(fuzzing) for fuzz harnesses (excludes from default build)

### Infrastructure
- Updated .gitignore to exclude generated fuzz/corpus/
- proptest-regressions/ tracked for minimal counterexamples

## Acceptance Criteria

- [PASS] proptest runs on every PR; 10,000 cases per module budget
- [PASS] proptest-regressions/ is committed and replayed on every run
- [PASS] Nightly fuzz CronWorkflow runs for 24 hours without infrastructure failure
- [WARN] Issue-reporter sidecar is placeholder (follow-up bead)
- [PASS] Proptest panic verification test exists (tests/proptest-panic-verification.rs)

## References

- Plan: Phase 0, line 1007
- INV-8 (no panic at public boundary)
- EC-08 (circular references), EC-10 (decompression bomb), EC-07 (corrupt xref)
- Sibling template: needle uses cargo-fuzz in CronWorkflow

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-22 23:13:13 -04:00

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TOML

[package]
name = "pdftract-core"
version.workspace = true
edition.workspace = true
rust-version.workspace = true
license.workspace = true
repository.workspace = true
publish = true
[dependencies]
hex = "0.4"
indexmap = "2.2"
flate2 = { workspace = true }
lzw = { workspace = true }
regex = "1.10"
secrecy = { workspace = true }
serde = { version = "1.0", features = ["derive"], optional = true }
sha2 = "0.10"
thiserror = { workspace = true }
memchr = { workspace = true }
[features]
default = []
serde = ["dep:serde"]
proptest = []
fuzzing = [] # Enable cfg(fuzzing) for fuzz harnesses
[dev-dependencies]
chrono = "0.4"
proptest = "1.4"
regex = "1.10"
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"