element-ios/RiotSwiftUI/Modules/Room/PollHistory/MockPollHistoryScreenState....

90 lines
3.0 KiB
Swift

//
// Copyright 2021-2024 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only
// Please see LICENSE in the repository root for full details.
//
import Combine
import Foundation
import SwiftUI
/// Using an enum for the screen allows you define the different state cases with
/// the relevant associated data for each case.
enum MockPollHistoryScreenState: MockScreenState, CaseIterable {
// A case for each state you want to represent
// with specific, minimal associated data that will allow you
// mock that screen.
case active
case past
case activeNoMoreContent
case contentLoading
case empty
case emptyLoading
case emptyNoMoreContent
case loading
/// The associated screen
var screenType: Any.Type {
PollHistory.self
}
/// Generate the view struct for the screen state.
var screenView: ([Any], AnyView) {
var pollHistoryMode: PollHistoryMode = .active
let pollService = MockPollHistoryService()
switch self {
case .active:
pollHistoryMode = .active
case .activeNoMoreContent:
pollHistoryMode = .active
pollService.hasNextBatch = false
case .past:
pollHistoryMode = .past
case .contentLoading:
pollService.nextBatchPublishers.append(MockPollPublisher.loadingPolls)
case .empty:
pollHistoryMode = .active
pollService.nextBatchPublishers = [MockPollPublisher.emptyPolls]
case .emptyLoading:
pollService.nextBatchPublishers = [MockPollPublisher.emptyPolls, MockPollPublisher.loadingPolls]
case .emptyNoMoreContent:
pollService.hasNextBatch = false
pollService.nextBatchPublishers = [MockPollPublisher.emptyPolls]
case .loading:
pollService.nextBatchPublishers = [MockPollPublisher.loadingPolls]
}
let viewModel = PollHistoryViewModel(mode: pollHistoryMode, pollService: pollService)
// can simulate service and viewModel actions here if needs be.
switch self {
case .contentLoading, .emptyLoading:
viewModel.process(viewAction: .loadMoreContent)
default:
break
}
return (
[pollHistoryMode, viewModel],
AnyView(PollHistory(viewModel: viewModel.context)
.environmentObject(AvatarViewModel.withMockedServices()))
)
}
}
enum MockPollPublisher {
static var emptyPolls: AnyPublisher<TimelinePollDetails, Error> {
Empty<TimelinePollDetails, Error>(completeImmediately: true).eraseToAnyPublisher()
}
static var loadingPolls: AnyPublisher<TimelinePollDetails, Error> {
Empty<TimelinePollDetails, Error>(completeImmediately: false).eraseToAnyPublisher()
}
static var failure: AnyPublisher<TimelinePollDetails, Error> {
Fail(error: NSError(domain: "fake", code: 1)).eraseToAnyPublisher()
}
}