75 lines
2.4 KiB
Swift
75 lines
2.4 KiB
Swift
//
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// TestTransport.swift
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// AccountTests
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//
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// Created by Maurice Parker on 5/4/19.
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// Copyright © 2019 Ranchero Software, LLC. All rights reserved.
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//
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import Foundation
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import RSWeb
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final class TestTransport: Transport {
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enum TestTransportError: String, Error {
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case invalidState = "The test wasn't set up correctly."
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}
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var testFiles = [String: String]()
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var testStatusCodes = [String: Int]()
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/// Allows tests to filter time sensitive state out to make matching against test data easier.
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var blacklistedQueryItemNames = Set([
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"newerThan", // Feedly: Mock data has a fixed date.
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"unreadOnly", // Feedly: Mock data is read/unread by test expectation.
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"count", // Feedly: Mock data is limited by test expectation.
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])
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private func httpResponse(for request: URLRequest, statusCode: Int = 200) -> HTTPURLResponse {
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guard let url = request.url else {
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fatalError("Attempting to mock a http response for a request without a URL \(request).")
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}
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return HTTPURLResponse(url: url, statusCode: statusCode, httpVersion: "HTTP/1.1", headerFields: nil)!
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}
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func send(request: URLRequest, completion: @escaping (Result<(HTTPURLResponse, Data?), Error>) -> Void) {
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guard let url = request.url, var components = URLComponents(url: url, resolvingAgainstBaseURL: false) else {
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completion(.failure(TestTransportError.invalidState))
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return
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}
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components.queryItems = components
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.queryItems?
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.filter { !blacklistedQueryItemNames.contains($0.name) }
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guard let urlString = components.url?.absoluteString else {
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completion(.failure(TestTransportError.invalidState))
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return
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}
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let response = httpResponse(for: request, statusCode: testStatusCodes[urlString] ?? 200)
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if let testFileName = testFiles[urlString] {
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let testFileURL = Bundle(for: TestTransport.self).resourceURL!.appendingPathComponent(testFileName)
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let data = try! Data(contentsOf: testFileURL)
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DispatchQueue.global(qos: .background).async {
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completion(.success((response, data)))
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}
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} else {
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DispatchQueue.global(qos: .background).async {
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completion(.success((response, nil)))
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}
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}
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}
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func send(request: URLRequest, method: String, completion: @escaping (Result<Void, Error>) -> Void) {
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fatalError("Unimplemented.")
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}
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func send(request: URLRequest, method: String, payload: Data, completion: @escaping (Result<(HTTPURLResponse, Data?), Error>) -> Void) {
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fatalError("Unimplemented.")
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}
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}
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