| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See http://swift.org/LICENSE.txt for license information |
| // See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| #if DEPLOYMENT_RUNTIME_OBJC || os(Linux) |
| import Foundation |
| import XCTest |
| #else |
| import SwiftFoundation |
| import SwiftXCTest |
| #endif |
| |
| class TestURLProtocol : LoopbackServerTest { |
| |
| static var allTests: [(String, (TestURLProtocol) -> () throws -> Void)] { |
| return [ |
| ("test_interceptResponse", test_interceptResponse), |
| ("test_interceptRequest", test_interceptRequest), |
| ("test_multipleCustomProtocols", test_multipleCustomProtocols), |
| ("test_customProtocolResponseWithDelegate", test_customProtocolResponseWithDelegate), |
| ("test_customProtocolSetDataInResponseWithDelegate", test_customProtocolSetDataInResponseWithDelegate), |
| ] |
| } |
| |
| func test_interceptResponse() { |
| let urlString = "http://127.0.0.1:\(TestURLProtocol.serverPort)/USA" |
| let url = URL(string: urlString)! |
| let config = URLSessionConfiguration.default |
| config.protocolClasses = [CustomProtocol.self] |
| config.timeoutIntervalForRequest = 8 |
| let session = URLSession(configuration: config, delegate: nil, delegateQueue: nil) |
| let expect = expectation(description: "GET \(urlString): with a custom protocol") |
| let task = session.dataTask(with: url) { data, response, error in |
| defer { expect.fulfill() } |
| if let e = error as? URLError { |
| XCTAssertEqual(e.code, .timedOut, "Unexpected error code") |
| return |
| } |
| let httpResponse = response as! HTTPURLResponse? |
| XCTAssertEqual(429, httpResponse!.statusCode, "HTTP response code is not 429") |
| } |
| task.resume() |
| waitForExpectations(timeout: 12) |
| } |
| |
| func test_interceptRequest() { |
| let urlString = "ssh://127.0.0.1:\(TestURLProtocol.serverPort)/USA" |
| let url = URL(string: urlString)! |
| let config = URLSessionConfiguration.default |
| config.protocolClasses = [InterceptableRequest.self] |
| config.timeoutIntervalForRequest = 8 |
| let session = URLSession(configuration: config, delegate: nil, delegateQueue: nil) |
| let expect = expectation(description: "GET \(urlString): with a custom protocol") |
| let task = session.dataTask(with: url) { data, response, error in |
| defer { expect.fulfill() } |
| if let e = error as? URLError { |
| XCTAssertEqual(e.code, .timedOut, "Unexpected error code") |
| return |
| } |
| let httpResponse = response as! HTTPURLResponse? |
| let responseURL = URL(string: "http://google.com") |
| XCTAssertEqual(responseURL, httpResponse?.url, "Unexpected url") |
| XCTAssertEqual(200, httpResponse!.statusCode, "HTTP response code is not 200") |
| } |
| task.resume() |
| waitForExpectations(timeout: 12) |
| } |
| |
| func test_multipleCustomProtocols() { |
| let urlString = "http://127.0.0.1:\(TestURLProtocol.serverPort)/Nepal" |
| let url = URL(string: urlString)! |
| let config = URLSessionConfiguration.default |
| config.protocolClasses = [InterceptableRequest.self, CustomProtocol.self] |
| let expect = expectation(description: "GET \(urlString): with a custom protocol") |
| let session = URLSession(configuration: config) |
| let task = session.dataTask(with: url) { data, response, error in |
| defer { expect.fulfill() } |
| if let e = error as? URLError { |
| XCTAssertEqual(e.code, .timedOut, "Unexpected error code") |
| return |
| } |
| let httpResponse = response as! HTTPURLResponse |
| print(httpResponse.statusCode) |
| XCTAssertEqual(429, httpResponse.statusCode, "Status code is not 429") |
| } |
| task.resume() |
| waitForExpectations(timeout: 12) |
| } |
| |
| func test_customProtocolResponseWithDelegate() { |
| let urlString = "http://127.0.0.1:\(TestURLSession.serverPort)/Peru" |
| let url = URL(string: urlString)! |
| let d = DataTask(with: expectation(description: "GET \(urlString): with a custom protocol and delegate"), protocolClasses: [CustomProtocol.self]) |
| d.responseReceivedExpectation = expectation(description: "GET \(urlString): response received") |
| d.run(with: url) |
| waitForExpectations(timeout: 12) |
| } |
| |
| func test_customProtocolSetDataInResponseWithDelegate() { |
| let urlString = "http://127.0.0.1:\(TestURLSession.serverPort)/Nepal" |
| let url = URL(string: urlString)! |
| let d = DataTask(with: expectation(description: "GET \(urlString): with a custom protocol and delegate"), protocolClasses: [CustomProtocol.self]) |
| d.run(with: url) |
| waitForExpectations(timeout: 12) |
| if !d.error { |
| XCTAssertEqual(d.capital, "Kathmandu", "test_dataTaskWithURLRequest returned an unexpected result") |
| } |
| } |
| } |
| |
| class InterceptableRequest : URLProtocol { |
| |
| override class func canInit(with request: URLRequest) -> Bool { |
| return request.url?.scheme == "ssh" |
| } |
| |
| override class func canonicalRequest(for request: URLRequest) -> URLRequest { |
| return request |
| } |
| |
| override func startLoading() { |
| let urlString = "http://google.com" |
| let url = URL(string: urlString)! |
| let response = HTTPURLResponse(url: url, statusCode: 200, httpVersion: "HTTP/1.1", headerFields: [:]) |
| self.client?.urlProtocol(self, didReceive: response!, cacheStoragePolicy: .notAllowed) |
| self.client?.urlProtocolDidFinishLoading(self) |
| |
| } |
| |
| override func stopLoading() { |
| return |
| } |
| } |
| |
| class CustomProtocol : URLProtocol { |
| |
| override class func canInit(with request: URLRequest) -> Bool { |
| return true |
| } |
| |
| func sendResponse(statusCode: Int, headers: [String: String] = [:], data: Data) { |
| let response = HTTPURLResponse(url: self.request.url!, statusCode: statusCode, httpVersion: "HTTP/1.1", headerFields: headers) |
| let capital = "Kathmandu" |
| let data = capital.data(using: String.Encoding.utf8) |
| self.client?.urlProtocol(self, didReceive: response!, cacheStoragePolicy: .notAllowed) |
| self.client?.urlProtocol(self, didLoad: data!) |
| self.client?.urlProtocolDidFinishLoading(self) |
| } |
| |
| override class func canonicalRequest(for request: URLRequest) -> URLRequest { |
| return request |
| } |
| |
| override func startLoading() { |
| sendResponse(statusCode: 429, data: Data()) |
| } |
| |
| override func stopLoading() { |
| return |
| } |
| } |