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LiveStreamDiscoveryViewModelTests.swift
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import Prelude
import ReactiveSwift
import XCTest
@testable import KsApi
@testable import Library
@testable import LiveStream
@testable import ReactiveExtensions
@testable import ReactiveExtensions_TestHelpers
@testable import Result
final class LiveStreamDiscoveryViewModelTests: TestCase {
let vm: LiveStreamDiscoveryViewModelType = LiveStreamDiscoveryViewModel()
private let goToLiveStreamContainerProject = TestObserver<Project, NoError>()
private let goToLiveStreamContainerLiveStreamEvent = TestObserver<LiveStreamEvent, NoError>()
private let goToLiveStreamCountdownProject = TestObserver<Project, NoError>()
private let goToLiveStreamCountdownLiveStreamEvent = TestObserver<LiveStreamEvent, NoError>()
private let loadDataSource = TestObserver<[LiveStreamEvent], NoError>()
private let showAlert = TestObserver<String, NoError>()
override func setUp() {
super.setUp()
self.vm.outputs.goToLiveStreamContainer.map(first).observe(self.goToLiveStreamContainerProject.observer)
self.vm.outputs.goToLiveStreamContainer.map(second)
.observe(self.goToLiveStreamContainerLiveStreamEvent.observer)
self.vm.outputs.goToLiveStreamCountdown.map(first).observe(self.goToLiveStreamCountdownProject.observer)
self.vm.outputs.goToLiveStreamCountdown.map(second)
.observe(self.goToLiveStreamCountdownLiveStreamEvent.observer)
self.vm.outputs.loadDataSource.observe(self.loadDataSource.observer)
self.vm.outputs.showAlert.observe(self.showAlert.observer)
}
func testGotoLiveStreamContainer_TappedCurrentlyLiveStream() {
let project = Project.template
|> Project.lens.id .~ 42
let liveStreamsEnvelope = .template
|> LiveStreamEventsEnvelope.lens.liveStreamEvents .~ (
(0...4).map { .template |> LiveStreamEvent.lens.id .~ $0 }
)
let tappedLiveStream = .template
|> LiveStreamEvent.lens.liveNow .~ true
let apiService = MockService(fetchProjectResponse: project)
let liveStreamService = MockLiveStreamService(fetchEventsForProjectResult: .success(liveStreamsEnvelope))
withEnvironment(apiService: apiService, liveStreamService: liveStreamService) {
self.vm.inputs.viewDidLoad()
self.vm.inputs.isActive(true)
self.vm.inputs.tapped(liveStreamEvent: tappedLiveStream)
self.goToLiveStreamContainerProject.assertValues([project])
self.goToLiveStreamContainerLiveStreamEvent.assertValues([tappedLiveStream])
self.goToLiveStreamCountdownProject.assertValues([])
self.goToLiveStreamCountdownLiveStreamEvent.assertValues([])
}
}
func testGotoLiveStreamContainer_UpcomingLiveStream() {
let project = Project.template
|> Project.lens.id .~ 42
let liveStreamsEnvelope = .template
|> LiveStreamEventsEnvelope.lens.liveStreamEvents .~ (
(0...4).map { .template |> LiveStreamEvent.lens.id .~ $0 }
)
let tappedLiveStream = .template
|> LiveStreamEvent.lens.liveNow .~ false
|> LiveStreamEvent.lens.startDate .~ MockDate().addingTimeInterval(60 * 60).date
let apiService = MockService(fetchProjectResponse: project)
let liveStreamService = MockLiveStreamService(fetchEventsForProjectResult: .success(liveStreamsEnvelope))
withEnvironment(apiService: apiService, liveStreamService: liveStreamService) {
self.vm.inputs.viewDidLoad()
self.vm.inputs.isActive(true)
self.vm.inputs.tapped(liveStreamEvent: tappedLiveStream)
self.goToLiveStreamContainerProject.assertValues([])
self.goToLiveStreamContainerLiveStreamEvent.assertValues([])
self.goToLiveStreamCountdownProject.assertValues([project])
self.goToLiveStreamCountdownLiveStreamEvent.assertValues([tappedLiveStream])
}
}
func testGotoLiveStreamContainer_ReplayLiveStream() {
let project = Project.template
|> Project.lens.id .~ 42
let liveStreamsEnvelope = .template
|> LiveStreamEventsEnvelope.lens.liveStreamEvents .~ (
(0...4).map { .template |> LiveStreamEvent.lens.id .~ $0 }
)
let tappedLiveStream = .template
|> LiveStreamEvent.lens.liveNow .~ false
|> LiveStreamEvent.lens.hasReplay .~ true
let apiService = MockService(fetchProjectResponse: project)
let liveStreamService = MockLiveStreamService(fetchEventsForProjectResult: .success(liveStreamsEnvelope))
withEnvironment(apiService: apiService, liveStreamService: liveStreamService) {
self.vm.inputs.viewDidLoad()
self.vm.inputs.isActive(true)
self.vm.inputs.tapped(liveStreamEvent: tappedLiveStream)
self.goToLiveStreamContainerProject.assertValues([project])
self.goToLiveStreamContainerLiveStreamEvent.assertValues([tappedLiveStream])
self.goToLiveStreamCountdownProject.assertValues([])
self.goToLiveStreamCountdownLiveStreamEvent.assertValues([])
}
}
func testLoadDataSource() {
self.vm.inputs.viewDidLoad()
self.vm.inputs.isActive(true)
self.loadDataSource.assertValueCount(1)
self.vm.inputs.isActive(true)
self.loadDataSource.assertValueCount(2)
}
func testShowAlert() {
let apiService = MockService(fetchProjectError: ErrorEnvelope.couldNotParseJSON)
withEnvironment(apiService: apiService) {
self.vm.inputs.viewDidLoad()
self.vm.inputs.isActive(true)
self.vm.inputs.tapped(liveStreamEvent: .template)
self.goToLiveStreamContainerProject.assertValues([])
self.goToLiveStreamContainerLiveStreamEvent.assertValues([])
self.goToLiveStreamCountdownProject.assertValues([])
self.goToLiveStreamCountdownLiveStreamEvent.assertValues([])
self.showAlert.assertValues(["Couldn‘t open live stream. Try again later."])
}
}
func testLoadDataSource_Refreshes() {
let project = Project.template
|> Project.lens.id .~ 42
let liveStreamsEnvelope = .template
|> LiveStreamEventsEnvelope.lens.liveStreamEvents .~ (
(0...4).map { .template |> LiveStreamEvent.lens.id .~ $0 }
)
let apiService = MockService(fetchProjectResponse: project)
let liveStreamService = MockLiveStreamService(fetchEventsForProjectResult: .success(liveStreamsEnvelope))
withEnvironment(apiService: apiService, liveStreamService: liveStreamService) {
self.vm.inputs.viewDidLoad()
self.vm.inputs.viewWillAppear()
self.vm.inputs.isActive(true)
self.scheduler.advance()
self.loadDataSource.assertValueCount(1)
XCTAssertTrue(self.loadDataSource.lastValue?.isEmpty == .some(false))
self.vm.inputs.viewWillAppear()
self.scheduler.advance()
self.loadDataSource.assertValueCount(2)
XCTAssertTrue(self.loadDataSource.lastValue?.isEmpty == .some(false))
self.vm.inputs.isActive(false)
self.scheduler.advance()
self.loadDataSource.assertValueCount(3)
XCTAssertTrue(self.loadDataSource.lastValue?.isEmpty == .some(true))
self.vm.inputs.viewWillAppear()
self.scheduler.advance()
self.loadDataSource.assertValueCount(3)
XCTAssertTrue(self.loadDataSource.lastValue?.isEmpty == .some(true))
self.vm.inputs.isActive(true)
self.scheduler.advance()
self.loadDataSource.assertValueCount(4)
XCTAssertTrue(self.loadDataSource.lastValue?.isEmpty == .some(false))
self.vm.inputs.appWillEnterForeground()
self.scheduler.advance()
self.loadDataSource.assertValueCount(5)
XCTAssertTrue(self.loadDataSource.lastValue?.isEmpty == .some(false))
}
}
func testKoalaTracking() {
self.vm.inputs.viewDidLoad()
self.vm.inputs.viewWillAppear()
XCTAssertEqual([], self.trackingClient.events)
self.vm.inputs.isActive(true)
XCTAssertEqual(["Viewed Live Stream Discovery"], self.trackingClient.events)
self.vm.inputs.isActive(false)
XCTAssertEqual(["Viewed Live Stream Discovery"], self.trackingClient.events)
self.vm.inputs.isActive(true)
XCTAssertEqual(["Viewed Live Stream Discovery", "Viewed Live Stream Discovery"],
self.trackingClient.events)
}
}