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🧪 Deterministic Test Strategy

Proof‑of‑Contribution Protocol Core

Version: 0.1.0
Status: Draft (Alpha)

🎯 Purpose

This document defines the testing strategy for the Proof‑of‑Contribution Protocol Core.

It ensures that:

  • All protocol behavior is deterministic
  • All implementations behave identically
  • All scoring rules are reproducible
  • All validators are predictable
  • All proofs are consistent across environments
  • Auditors can independently verify correctness

This strategy applies to all languages, implementations, and integrators.

1. Testing Principles

1.1 Determinism First

Every test must assert that the same input always produces the same output.

1.2 Pure Functions Only

Tests must avoid:

  • External APIs
  • Network calls
  • System time
  • Randomness
  • Environment‑dependent behavior
1.3 Cross‑Language Consistency

JS, Python, and Rust implementations must produce identical results for the same fixtures.

1.4 Minimal Fixtures

Fixtures must be:

  • Small
  • Clear
  • Versioned
  • Easy to reason about
1.5 Full Coverage of the Protocol Pipeline

Tests must cover:

  • Validation
  • Scoring
  • Proof generation
  • Error handling
  • Edge cases
  • Versioning behavior

2. Test Categories

2.1 Unit Tests

Test individual pure functions.

Examples:

  • validateEvent()
  • scoreEvent()
  • generateProof()
  • timestampSanityCheck()
  • applyScoringRule()

Unit tests must:

  • Use minimal fixtures
  • Assert exact output shape
  • Assert exact error messages
  • Assert no side effects
2.2 Integration Tests

Test the full pipeline end‑to‑end.

Flow:

Event → Validation → Scoring → Proof

Integration tests must:

  • Use real fixtures
  • Assert deterministic ordering
  • Assert rule evaluation order
  • Assert proof structure
2.3 Cross‑Language Conformance Tests

These ensure all implementations behave identically.

Languages:

  • JavaScript
  • Python
  • Rust

Each implementation must:

  • Load the same fixtures
  • Produce byte‑for‑byte identical JSON outputs
  • Fail identically on invalid events

This is essential for ecosystem trust.

2.4 Regression Tests

Every bug must produce a new test.

Regression tests must:

  • Reproduce the bug
  • Assert the fix
  • Prevent future regressions
2.5 Security Tests

Security tests must cover:

  • Replay protection
  • Timestamp boundaries
  • Invalid payloads
  • Malformed events
  • Rule injection attempts
  • Validator bypass attempts

These tests ensure the protocol is safe for integrators.

3. Test Fixtures

Fixtures live in:

tests/fixtures/

Fixtures must include:

3.1 Valid Events
  • Code commit
  • Documentation update
  • Governance vote
  • RFC submission
  • Community support
3.2 Invalid Events
  • Missing fields
  • Invalid types
  • Invalid timestamps
  • Malformed payloads
3.3 Edge Cases
  • Boundary timestamps
  • Empty payloads
  • Unknown contribution types
  • Multiple rules applying simultaneously

4. Deterministic Assertions

Every test must assert:

  • Exact JSON structure
  • Exact field names
  • Exact score values
  • Exact rule order
  • Exact error messages
  • Exact version numbers

Example:

json { "eventid": "evt001", "score": 5, "rulesapplied": ["codecommit_base"], "version": "0.1.0" }

No fuzzy matching.
No partial matching.
No approximate comparisons.

####:5. Versioning Tests

Tests must ensure:

  • Rule versions are correct
  • Breaking changes bump MAJOR version
  • New rules bump MINOR version
  • Fixes bump PATCH version

Versioning is part of determinism.

6. CI Requirements

CI must:

  • Run all tests
  • Run linting
  • Run type checks
  • Run cross‑language conformance tests
  • Fail on nondeterministic behavior
  • Fail on missing tests
  • Fail on untested rule changes

7. Test Coverage Requirements

Minimum coverage:

  • 90%+ for core modules
  • 100% for scoring rules
  • 100% for validators
  • 100% for proof generation

Scoring rules and validators are protocol‑critical and must be fully covered.

8. Test Failure Policy

If a test fails:

  • No merges allowed
  • Maintainers must investigate
  • Root cause must be documented
  • Regression test must be added
  • Version bump must be evaluated

✔️ Status

This deterministic test strategy is now ready for use by contributors, maintainers, auditors, and integrators.