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https://github.com/disneystreaming/alloy
https://github.com/disneystreaming/alloy
Last synced: about 1 month ago
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- Host: GitHub
- URL: https://github.com/disneystreaming/alloy
- Owner: disneystreaming
- License: other
- Created: 2022-08-17T18:37:45.000Z (almost 2 years ago)
- Default Branch: main
- Last Pushed: 2024-05-17T14:43:23.000Z (about 2 months ago)
- Last Synced: 2024-05-17T16:10:52.562Z (about 2 months ago)
- Language: Scala
- Size: 474 KB
- Stars: 32
- Watchers: 5
- Forks: 8
- Open Issues: 9
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Lists
- awesome-smithy - Alloy - a library of Smithy traits providing additional semantics and constraints, used in particular by smithy-translate and smithy4s. (Others / GitHub Actions)
README
# Alloy
A collection of commonly used Smithy shapes.
## Table of Contents
- [Why Alloy?](#why-alloy)
- [Core alloy library](#core-alloy-library)
- [Constraints and behavioural traits](#constraints-and-behavioural-traits)
- [Serialisation](#serialisation)
- [Protocols](#protocols)
- [Protocol Compliance Module](#protocol-compliance-module)
- [Working on Alloy](#working-on-alloy)
- [Publish Local](#publish-local)
- [Run Tests](#run-tests)
## Why Alloy?
Alloy is smithy library that contains traits and protocols that are not currently provided by the [smithy standard library](https://github.com/smithy-lang/smithy/blob/main/smithy-model/src/main/resources/software/amazon/smithy/model/loader/prelude.smithy). Alloy can be seen as a companion library to the smithy standard library (`smithy.api`).
The goals of alloy are :
* provide traits aiming at expressing protobuf/gRPC semantics in smithy
* provide traits allowing to capture patterns and constraints that are common in the industry (some related to http APIs, some more general)
## Core alloy library
The core alloy library, containing shapes and validators, is published to Maven Central at the following coordinates.
```
com.disneystreaming.alloy:alloy-core:x.y.z
```
It contains, in particular, traits and validators associated to the following aspects :
### Constraints and behavioural traits
Alloy provides a number of [constraint and behavioural](./docs/misc/constraints.md) traits that may be leverage by tooling and protocols.
### Serialisation
Alloy defines a number of behavioural traits that can be leveraged by protocols to tweak serialisation. In particular for the following formats :
- [JSON](./docs/serialisation/json.md)
- [Protobuf](./docs/serialisation/protobuf.md)
- [URL Form Data](./docs/serialisation/urlform.md)
### Protocols
Alloy defines two protocols :
- [`alloy#simpleRestJson`](./docs/protocols/SimpleRestJson.md)
- [`alloy#grpc`](./docs/protocols/gRPC.md)
## Protocol Compliance Module
Alloy provides a suite of protocol tests that utilise the [AWS HTTP Protocol Compliance Test Module]("https://smithy.io/2.0/additional-specs/http-protocol-compliance-tests.html. These tests accompany the specification of the `alloy#simpleRestJson` protocol, allowing implementations of that protocol to build confidence that the implemented behaviour is correct as per the specification.
These tests are available on maven central at the following coordinates :
```
com.disneystreaming.alloy:alloy-protocol-tests:x.y.z
```
## Working on Alloy
### Publish Local
```console
> ./mill __.publishLocal
```
### Run Tests
```console
> ./mill __.test
```