Files
letro-ios/UnitTests/Sources/RoomScreenViewModelTests.swift

105 lines
5.1 KiB
Swift

//
// Copyright 2024 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
@testable import ElementX
import Combine
import XCTest
@MainActor
class RoomScreenViewModelTests: XCTestCase {
private var viewModel: RoomScreenViewModel!
override func setUp() async throws {
AppSettings.resetAllSettings()
}
override func tearDown() {
viewModel = nil
}
func testPinnedEventsBanner() async throws {
ServiceLocator.shared.settings.pinningEnabled = true
let timelineSubject = PassthroughSubject<TimelineProxyProtocol, Never>()
let updateSubject = PassthroughSubject<RoomProxyAction, Never>()
let roomProxyMock = RoomProxyMock(.init())
// setup a way to inject the mock of the pinned events timeline
roomProxyMock.pinnedEventsTimelineClosure = {
await timelineSubject.values.first()
}
// setup the room proxy actions publisher
roomProxyMock.underlyingActionsPublisher = updateSubject.eraseToAnyPublisher()
let viewModel = RoomScreenViewModel(roomProxy: roomProxyMock,
appMediator: AppMediatorMock.default,
appSettings: ServiceLocator.shared.settings)
self.viewModel = viewModel
// check if in the default state is not showing but is indeed loading
var deferred = deferFulfillment(viewModel.context.$viewState) { viewState in
viewState.pinnedEventsBannerState.count == 0
}
try await deferred.fulfill()
XCTAssertTrue(viewModel.context.viewState.pinnedEventsBannerState.isLoading)
XCTAssertFalse(viewModel.context.viewState.shouldShowPinnedEventsBanner)
// check if if after the pinned event ids are set the banner is still in a loading state, but is both loading and showing with a counter
deferred = deferFulfillment(viewModel.context.$viewState) { viewState in
viewState.pinnedEventsBannerState.count == 2
}
roomProxyMock.underlyingPinnedEventIDs = ["test1", "test2"]
updateSubject.send(.roomInfoUpdate)
try await deferred.fulfill()
XCTAssertTrue(viewModel.context.viewState.pinnedEventsBannerState.isLoading)
XCTAssertTrue(viewModel.context.viewState.shouldShowPinnedEventsBanner)
// setup the loaded pinned events injection in the timeline
let pinnedTimelineMock = TimelineProxyMock()
let pinnedTimelineProviderMock = RoomTimelineProviderMock()
let providerUpdateSubject = PassthroughSubject<([TimelineItemProxy], PaginationState), Never>()
pinnedTimelineProviderMock.underlyingUpdatePublisher = providerUpdateSubject.eraseToAnyPublisher()
pinnedTimelineMock.timelineProvider = pinnedTimelineProviderMock
pinnedTimelineProviderMock.itemProxies = [.event(.init(item: EventTimelineItemSDKMock(configuration: .init()), id: "1")),
.event(.init(item: EventTimelineItemSDKMock(configuration: .init()), id: "2"))]
// check if the banner is now in a loaded state and is showing the counter
deferred = deferFulfillment(viewModel.context.$viewState) { viewState in
!viewState.pinnedEventsBannerState.isLoading
}
timelineSubject.send(pinnedTimelineMock)
try await deferred.fulfill()
XCTAssertEqual(viewModel.context.viewState.pinnedEventsBannerState.count, 2)
XCTAssertTrue(viewModel.context.viewState.shouldShowPinnedEventsBanner)
// check if the banner is updating alongside the timeline
deferred = deferFulfillment(viewModel.context.$viewState) { viewState in
viewState.pinnedEventsBannerState.count == 3
}
providerUpdateSubject.send(([.event(.init(item: EventTimelineItemSDKMock(configuration: .init()), id: "1")),
.event(.init(item: EventTimelineItemSDKMock(configuration: .init()), id: "2")),
.event(.init(item: EventTimelineItemSDKMock(configuration: .init()), id: "3"))], .initial))
XCTAssertFalse(viewModel.context.viewState.pinnedEventsBannerState.isLoading)
XCTAssertTrue(viewModel.context.viewState.shouldShowPinnedEventsBanner)
try await deferred.fulfill()
// check how the scrolling changes the banner visibility
viewModel.timelineHasScrolled(direction: .top)
XCTAssertFalse(viewModel.context.viewState.shouldShowPinnedEventsBanner)
viewModel.timelineHasScrolled(direction: .bottom)
XCTAssertTrue(viewModel.context.viewState.shouldShowPinnedEventsBanner)
}
}