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Testing Documentation

Comprehensive testing strategy for Arbellar smart contracts.

Test Architecture

tests/
├── unit/          # Individual function testing
├── integration/   # Multi-module interaction testing
├── security/      # Adversarial scenario testing
└── e2e/          # End-to-end protocol workflow testing

Testing Principles

  1. Comprehensive Coverage — Test all code paths
  2. Security First — Extensive adversarial testing
  3. Invariant Validation — Verify protocol invariants
  4. Edge Case Testing — Test boundary conditions
  5. Property-Based Testing — Random input validation

Test Categories

Unit Tests (unit/)

  • Individual contract functions
  • Authorization logic
  • Arithmetic operations
  • Input validation
  • Error handling
  • State transitions

Integration Tests (integration/)

  • Multi-module coordination
  • Stellar Asset Contract integration
  • SDEX/Soroswap interaction
  • Execution flows
  • Fee distribution flows

Security Tests (security/)

  • Unauthorized access attempts
  • Principal theft scenarios
  • Fee manipulation
  • Reentrancy attacks
  • Overflow/underflow
  • Backend compromise scenarios
  • Admin abuse scenarios

E2E Tests (e2e/)

  • Complete arbitrage cycles
  • Multi-user scenarios
  • Protocol pause and resume
  • Emergency response flows

Running Tests

# Run all tests
cargo test

# Run specific test category
cargo test --package unit-tests
cargo test --package integration-tests
cargo test --package security-tests
cargo test --package e2e-tests

# Run with output
cargo test -- --nocapture

# Run specific test
cargo test test_unauthorized_withdrawal_blocked

Test Coverage Goals

  • Unit Tests: >90% code coverage
  • Integration Tests: All module interactions
  • Security Tests: All threat scenarios from threat model
  • E2E Tests: All critical user workflows

Testing Best Practices

  1. Test happy paths and error paths
  2. Use descriptive test names
  3. Arrange-Act-Assert pattern
  4. Independent tests (no shared state)
  5. Test invariants explicitly
  6. Mock external dependencies appropriately
  7. Test with realistic data

Status: Testing framework structure complete. Tests pending implementation.