// The MIT License // // Original work sponsored and donated by The Danish Health Data Authority (http://www.sundhedsdatastyrelsen.dk) // // Copyright (C) 2020 The Danish Health Data Authority (http://www.sundhedsdatastyrelsen.dk) // // Permission is hereby granted, free of charge, to any person obtaining a copy of // this software and associated documentation files (the "Software"), to deal in // the Software without restriction, including without limitation the rights to // use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies // of the Software, and to permit persons to whom the Software is furnished to do // so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. import XCTest import Combine import ErrorData import CMSData @testable import CMSServices final class CMSTests: XCTestCase { private var cancelBag = Set() func testEmptyFallback() { let fallbackExpect = XCTestExpectation(description: "Fallback to empty dictionary instance on fail") let failExpect = XCTestExpectation(description: "Dictionary should fail") let failingDictionaryService = FailingDictionaryService() failingDictionaryService.fetchDictionaryWithEmptyFallback() .sink { (dic: CMSDictionary) in fallbackExpect.fulfill() } .store(in: &cancelBag) failingDictionaryService.fetchDictionary() .sink { (completion) in switch completion { case .failure: failExpect.fulfill() case .finished: XCTFail("Should have failed, but finished.") } } receiveValue: { _ in XCTFail("Dictionary should have failed.") }.store(in: &cancelBag) wait(for: [failExpect, fallbackExpect], timeout: 1.0) } static var allTests = [ ("testEmptyFallback", testEmptyFallback), ] } private final class FailingDictionaryService: DictionaryService { func fetchDictionary() -> AnyPublisher { Fail(error: ServiceError.failedToParseJson) .eraseToAnyPublisher() } }