# hex_port v0.17.0 - Table of Contents

HexPort: Hexagonal architecture ports for Elixir.

Typed port contracts with async-safe test doubles, dispatch logging,
and stateful test handlers. Define boundaries with `defport`, swap
implementations for testing without a database.

## Pages

- Introduction
  - [HexPort](readme.md)
  - [Getting Started](getting-started.md)

- Guides
  - [Testing](testing.md)
  - [Repo](repo.md)
  - [Incremental Migration](migration.md)

- About
  - [Changelog](changelog.md)

## Modules

- Core
  - [HexPort.Contract](HexPort.Contract.md): Macro for defining typed port contracts with `defport` declarations.
  - [HexPort.Dispatch](HexPort.Dispatch.md): Dispatch resolution for HexPort contracts.
  - [HexPort.Facade](HexPort.Facade.md): Generates a dispatch facade for a `HexPort.Contract`.

- Testing
  - [HexPort.Testing](HexPort.Testing.md): Test helpers for HexPort contracts.

- Repo
  - [HexPort.Repo.Contract](HexPort.Repo.Contract.md): Repo contract for common Ecto Repo operations.
  - [HexPort.Repo.InMemory](HexPort.Repo.InMemory.md): Stateful in-memory Repo implementation for tests.
  - [HexPort.Repo.MultiStepper](HexPort.Repo.MultiStepper.md): Steps through an `Ecto.Multi` without a real database transaction.
  - [HexPort.Repo.Test](HexPort.Repo.Test.md): Stateless test handler for `HexPort.Repo.Contract`.