@testable import Wikipedia @testable import WMF import XCTest class ArticleCacheReadingManualTests: XCTestCase { override func setUp() { super.setUp() ArticleTestHelpers.pullDataFromFixtures(inBundle: wmf_bundle()) } override func tearDown() { super.tearDown() URLCache.shared.removeAllCachedResponses() } func testBasicNetworkNoConnectionWithCachedArticle() { XCTFail("Reminder: these tests need to be on device and in airplane mode, otherwise they won't work. Comment out this failure once this is done and re-run.") ArticleTestHelpers.writeCachedPiecesToCachingSystem() let basicVC = BasicCachingWebViewController() let htmlExpectation = expectation(description: "Waiting for html content to return") let imageExpectation = expectation(description: "Waiting for image load to return") let cssExpectation = expectation(description: "Waiting for css load to return") basicVC.didReceiveDataCallback = { urlSchemeTask, data in guard let urlString = urlSchemeTask.request.url?.absoluteString else { XCTFail("Unable to determine urlString from scheme task") return } switch urlString { case "app://en.wikipedia.org/api/rest_v1/page/mobile-html/United_States": htmlExpectation.fulfill() let htmlString = String(decoding: data, as: UTF8.self) let trimmedHTML = String(htmlString.filter { !"\n\t\r".contains($0) }) XCTAssertEqual(trimmedHTML, "

Testing Cached

") case "app://en.wikipedia.org/api/rest_v1/data/css/mobile/site": cssExpectation.fulfill() let cssString = String(decoding: data, as: UTF8.self) let trimmedCSS = String(cssString.filter { !"\n\t\r".contains($0) }) XCTAssertEqual(trimmedCSS, "body {background-color: red;}", "Unexpected basic HTML content") case "app://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/960px-Flag_of_the_United_States.svg.png": imageExpectation.fulfill() default: XCTFail("Unexpected scheme task callback") } } UIApplication.shared.workaroundKeyWindow?.rootViewController = basicVC wait(for: [htmlExpectation], timeout: 10) wait(for: [imageExpectation], timeout: 10) wait(for: [cssExpectation], timeout: 10) } func testVariantFallbacksUponConnectionFailure() { XCTFail("Reminder: these tests need to be on device and in airplane mode, otherwise they won't work. Comment out this failure once this is done and re-run.") ArticleTestHelpers.writeVariantPiecesToCachingSystem() let basicVC = BasicCachingWebViewController() basicVC.extraHeaders = ["Accept-Language": "zh-hant"] basicVC.articleURL = URL(string: "app://zh.wikipedia.org/api/rest_v1/page/mobile-html/%E7%BE%8E%E5%9B%BD")! let htmlExpectation = expectation(description: "Waiting for html content to return") let imageExpectation = expectation(description: "Waiting for image load to return") let cssExpectation = expectation(description: "Waiting for css load to return") basicVC.didReceiveDataCallback = { urlSchemeTask, data in guard let urlString = urlSchemeTask.request.url?.absoluteString else { XCTFail("Unable to determine urlString from scheme task") return } switch urlString { case "app://zh.wikipedia.org/api/rest_v1/page/mobile-html/%E7%BE%8E%E5%9B%BD": htmlExpectation.fulfill() let htmlString = String(decoding: data, as: UTF8.self) let trimmedHTML = String(htmlString.filter { !"\n\t\r".contains($0) }) XCTAssertEqual(trimmedHTML, "

美国 (美洲北部国家)

") case "app://zh.wikipedia.org/api/rest_v1/data/css/mobile/site": cssExpectation.fulfill() let cssString = String(decoding: data, as: UTF8.self) let trimmedCSS = String(cssString.filter { !"\n\t\r".contains($0) }) XCTAssertEqual(trimmedCSS, "body {background-color: blue;}", "Unexpected basic HTML content") case "app://upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Flag_of_the_United_States_%28Pantone%29.svg/960px-Flag_of_the_United_States_%28Pantone%29.svg.png": imageExpectation.fulfill() default: XCTFail("Unexpected scheme task callback") } } UIApplication.shared.workaroundKeyWindow?.rootViewController = basicVC wait(for: [htmlExpectation], timeout: 10) wait(for: [imageExpectation], timeout: 10) wait(for: [cssExpectation], timeout: 10) } }