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henrik-dmg/HPNetwork 4.0.0
A protocol-based networking stack written in Swift
⭐️ 2
🕓 4 weeks ago
iOS macOS watchOS tvOS
.package(url: "https://github.com/henrik-dmg/HPNetwork.git", from: "4.0.0")

HPNetwork

Swift codecov

HPNetwork is a protocol-based networking stack written in pure Swift

Installation

Starting with v4 HPNetwork is only available via Swift Package Manager.

Add a new dependency for https://github.com/henrik-dmg/HPNetwork to your Xcode project or .package(url: "https://github.com/henrik-dmg/HPNetwork", from: "4.0.0") to your Package.swift

Scheduling Requests

Scheduling a request is as easy as this:

let response = try await request.response()

The response is a NetworkResponse<Output> containing the output and statisticsof the request.

You can also get an async result:

let result = await request.result() // Result<NetworkResponse<Output>, Error>

Or schedule requests callback-based:

let task = request.schedule { result in
    switch result {
    case .success(let response):
        // handle response
    case .failure(let error):
        // handle error
    }
}

You can also use pretty much the same API with NetworkClient (useful for being able to mock requests in tests).

Creating Requests

Basics

HPNetwork is following a rather protocol based approach, so any type that conforms to NetworkRequest can be scheduled as a request. In the most simple terms, that means you supply a URL and a request method.

Example 1:

struct BasicDataRequest: DataRequest {

    typealias Output = Data

    var requestMethod: HTTPRequest.Method {
        .get
    }

    func makeURL() throws -> URL {
        // construct your URL here
    }

}

Example 2:

struct BasicDataRequest: DataRequest {

    typealias Output = Data

    let url: URL?
    let requestMethod: HTTPRequest.Method

    func makeURL() throws -> URL {
        // construct your URL here
    }

}

let basicRequest = BasicDataRequest(
    url: URL(string: "https://panhans.dev/"),
    requestMethod: .get
)

JSON

If you're working with JSON, you can also use DecodableRequest which requires a JSONDecoder to be supplied. The request will use that decoder to automatically convert the received data to the specified output type

Example 3:

struct BasicDecodableRequest<Output: Decodable>: DecodableRequest {

    let requestMethod: HTTPRequest.Method

    var decoder: JSONDecoder {
        JSONDecoder() // use default or custom decoder
    }

    func makeURL() throws -> URL {
        // construct your URL here
    }

}

URLBuilder

URLBuilder has been broken out into a separate package HPURLBuilder that can be found here

Request Authorization

To add authorization to a request, simply supply a authorization: Authorization? instance to your request. You can either use BasicAuthorization for basic authentication with a username and password, or BearerAuthorization for bearer token authorization or implement you own custom Authorization type.

Mocking

There's a new NetworkClientProtocol type that you can schedule network requests on. To mock network requests, you can use NetworkClientMock from the new HPNetworkMock library.

Example usage:

networkClient.mockRequest(ofType: SomeRequest.self) { _ in
    ReturnTypeOfRequest() // or throw an error
}

// To remove all mocks

networkClient.removeAllMocks()

You can also specify whether NetworkClientMock should just fall-back to regular networking if there are no mocks configured for the request it's about the execute by using fallbackToURLSessionIfNoMatchingMock

If you need to go deeper, for example if you don't want to migrate to NetworkClient, you can use URLSessionMock to use with URLSession

Example usage of URLSessionMock:

lazy var mockedURLSession: URLSession = {
    let configuration = URLSessionConfiguration.ephemeral
    configuration.protocolClasses = [URLSessionMock.self]
    return URLSession(configuration: configuration)
}()

// ...

_ = URLSessionMock.mockRequest(to: url, ignoresQuery: false) { _ in
    let response = HTTPURLResponse(
        url: url,
        statusCode: 200,
        httpVersion: nil,
        headerFields: ["Content-Type": ContentType.applicationJSON.rawValue]
    )!
    return (someDataYouWant, response)
}

Authors

GitHub

link
Stars: 2
Last commit: 1 week ago
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Dependencies

Release Notes

swift-http-types
1 week ago

Overview

This release migrates a lot of the types to use the swift-http-types package by Apple. It brings breaking changes, so new major version.

Mocking

There's a new NetworkClientProtocol type that you can schedule network requests on. To mock network requests, you can use NetworkClientMock from the new HPNetworkMock library.

Example usage:

networkClient.mockRequest(ofType: SomeRequest.self) { _ in
    ReturnTypeOfRequest() // or throw an error
}

// To remove all mocks

networkClient.removeAllMocks()

You can also specify whether NetworkClientMock should just fall-back to regular networking if there are no mocks configured for the request it's about the execute by using fallbackToURLSessionIfNoMatchingMock

If you need to go deeper, for example if you don't want to migrate to NetworkClient, you can use URLSessionMock to use with URLSession

Example usage of URLSessionMock:

lazy var mockedURLSession: URLSession = {
    let configuration = URLSessionConfiguration.ephemeral
    configuration.protocolClasses = [URLSessionMock.self]
    return URLSession(configuration: configuration)
}()

// ...

_ = URLSessionMock.mockRequest(to: url, ignoresQuery: false) { _ in
    let response = HTTPURLResponse(
        url: url,
        statusCode: 200,
        httpVersion: nil,
        headerFields: ["Content-Type": ContentType.applicationJSON.rawValue]
    )!
    return (someDataYouWant, response)
}

Full Changelog: https://github.com/henrik-dmg/HPNetwork/compare/3.1.2...4.0.0

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