Files
letro-ios/UnitTests/Sources/RoomScreenViewModelTests.swift
Doug bc01134f97 Fix more unit tests. (#1406)
- Randomise test order.
- Use deferred fulfilment in more places.
- Make sure to change something before awaiting the fulfilment.
- Build a fresh AppSettings after reset().
- Retry tests on failure.
2023-07-27 12:38:48 +01:00

390 lines
21 KiB
Swift

//
// Copyright 2022 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 XCTest
@MainActor
class RoomScreenViewModelTests: XCTestCase {
var userIndicatorControllerMock: UserIndicatorControllerMock!
override func setUp() async throws {
userIndicatorControllerMock = UserIndicatorControllerMock.default
}
override func tearDown() async throws {
userIndicatorControllerMock = nil
}
func testMessageGrouping() {
// Given 3 messages from Bob.
let items = [
TextRoomTimelineItem(text: "Message 1",
sender: "bob"),
TextRoomTimelineItem(text: "Message 2",
sender: "bob"),
TextRoomTimelineItem(text: "Message 3",
sender: "bob")
]
// When showing them in a timeline.
let timelineController = MockRoomTimelineController()
timelineController.timelineItems = items
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: RoomProxyMock(with: .init(displayName: "")),
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock)
// Then the messages should be grouped together.
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[0].groupStyle, .first, "Nothing should prevent the first message from being grouped.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[1].groupStyle, .middle, "Nothing should prevent the middle message from being grouped.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[2].groupStyle, .last, "Nothing should prevent the last message from being grouped.")
}
func testMessageGroupingMultipleSenders() {
// Given some interleaved messages from Bob and Alice.
let items = [
TextRoomTimelineItem(text: "Message 1",
sender: "alice"),
TextRoomTimelineItem(text: "Message 2",
sender: "bob"),
TextRoomTimelineItem(text: "Message 3",
sender: "alice"),
TextRoomTimelineItem(text: "Message 4",
sender: "alice"),
TextRoomTimelineItem(text: "Message 5",
sender: "bob"),
TextRoomTimelineItem(text: "Message 6",
sender: "bob")
]
// When showing them in a timeline.
let timelineController = MockRoomTimelineController()
timelineController.timelineItems = items
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: RoomProxyMock(with: .init(displayName: "")),
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock)
// Then the messages should be grouped by sender.
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[0].groupStyle, .single, "A message should not be grouped when the sender changes.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[1].groupStyle, .single, "A message should not be grouped when the sender changes.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[2].groupStyle, .first, "A group should start with a new sender if there are more messages from that sender.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[3].groupStyle, .last, "A group should be ended when the sender changes in the next message.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[4].groupStyle, .first, "A group should start with a new sender if there are more messages from that sender.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[5].groupStyle, .last, "A group should be ended when the sender changes in the next message.")
}
func testMessageGroupingWithLeadingReactions() {
// Given 3 messages from Bob where the first message has a reaction.
let items = [
TextRoomTimelineItem(text: "Message 1",
sender: "bob",
addReactions: true),
TextRoomTimelineItem(text: "Message 2",
sender: "bob"),
TextRoomTimelineItem(text: "Message 3",
sender: "bob")
]
// When showing them in a timeline.
let timelineController = MockRoomTimelineController()
timelineController.timelineItems = items
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: RoomProxyMock(with: .init(displayName: "")),
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock)
// Then the first message should not be grouped but the other two should.
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[0].groupStyle, .single, "When the first message has reactions it should not be grouped.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[1].groupStyle, .first, "A new group should be made when the preceding message has reactions.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[2].groupStyle, .last, "Nothing should prevent the last message from being grouped.")
}
func testMessageGroupingWithInnerReactions() {
// Given 3 messages from Bob where the middle message has a reaction.
let items = [
TextRoomTimelineItem(text: "Message 1",
sender: "bob"),
TextRoomTimelineItem(text: "Message 2",
sender: "bob",
addReactions: true),
TextRoomTimelineItem(text: "Message 3",
sender: "bob")
]
// When showing them in a timeline.
let timelineController = MockRoomTimelineController()
timelineController.timelineItems = items
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: RoomProxyMock(with: .init(displayName: "")),
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock)
// Then the first and second messages should be grouped and the last one should not.
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[0].groupStyle, .first, "Nothing should prevent the first message from being grouped.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[1].groupStyle, .last, "When the message has reactions, the group should end here.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[2].groupStyle, .single, "The last message should not be grouped when the preceding message has reactions.")
}
func testMessageGroupingWithTrailingReactions() {
// Given 3 messages from Bob where the last message has a reaction.
let items = [
TextRoomTimelineItem(text: "Message 1",
sender: "bob"),
TextRoomTimelineItem(text: "Message 2",
sender: "bob"),
TextRoomTimelineItem(text: "Message 3",
sender: "bob",
addReactions: true)
]
// When showing them in a timeline.
let timelineController = MockRoomTimelineController()
timelineController.timelineItems = items
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: RoomProxyMock(with: .init(displayName: "")),
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock)
// Then the messages should be grouped together.
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[0].groupStyle, .first, "Nothing should prevent the first message from being grouped.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[1].groupStyle, .middle, "Nothing should prevent the second message from being grouped.")
XCTAssertEqual(viewModel.state.timelineViewState.itemViewStates[2].groupStyle, .last, "Reactions on the last message should not prevent it from being grouped.")
}
func testGoToUserDetailsSuccessNoDelay() async {
// Setup
let expectation = expectation(description: #function)
let timelineController = MockRoomTimelineController()
let roomProxyMock = RoomProxyMock(with: .init(displayName: ""))
let roomMemberMock = RoomMemberProxyMock()
roomMemberMock.userID = "bob"
roomProxyMock.getMemberUserIDReturnValue = .success(roomMemberMock)
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: roomProxyMock,
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock)
viewModel.callback = { action in
switch action {
case .displayRoomMemberDetails(let member):
XCTAssert(member === roomMemberMock)
default:
XCTFail("Did not received the expected action")
}
expectation.fulfill()
}
// Test
viewModel.context.send(viewAction: .tappedOnUser(userID: "bob"))
await fulfillment(of: [expectation])
XCTAssert(userIndicatorControllerMock.submitIndicatorDelayCallsCount == 1)
XCTAssert(roomProxyMock.getMemberUserIDCallsCount == 1)
XCTAssertEqual(roomProxyMock.getMemberUserIDReceivedUserID, "bob")
}
func testGoToUserDetailsSuccessWithDelay() async {
// Setup
let timelineController = MockRoomTimelineController()
let roomProxyMock = RoomProxyMock(with: .init(displayName: ""))
let roomMemberMock = RoomMemberProxyMock()
roomMemberMock.userID = "bob"
let expectation = XCTestExpectation(description: "Go to user details")
roomProxyMock.getMemberUserIDClosure = { _ in
.success(roomMemberMock)
}
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: roomProxyMock,
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock)
viewModel.callback = { action in
switch action {
case .displayRoomMemberDetails(let member):
XCTAssert(member === roomMemberMock)
expectation.fulfill()
default:
XCTFail("Did not received the expected action")
}
}
// Test
viewModel.context.send(viewAction: .tappedOnUser(userID: "bob"))
await fulfillment(of: [expectation])
XCTAssert(userIndicatorControllerMock.submitIndicatorDelayCallsCount == 1)
XCTAssert(userIndicatorControllerMock.retractIndicatorWithIdCallsCount == 1)
XCTAssert(roomProxyMock.getMemberUserIDCallsCount == 1)
XCTAssertEqual(roomProxyMock.getMemberUserIDReceivedUserID, "bob")
}
func testGoToUserDetailsFailure() async throws {
// Setup
let timelineController = MockRoomTimelineController()
let roomProxyMock = RoomProxyMock(with: .init(displayName: ""))
let roomMemberMock = RoomMemberProxyMock()
roomMemberMock.userID = "bob"
roomProxyMock.getMemberUserIDClosure = { _ in
.failure(.failedRetrievingMember)
}
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: roomProxyMock,
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock)
viewModel.callback = { _ in
XCTFail("Should not receive any action")
}
// Test
let deferred = deferFulfillment(viewModel.context.$viewState.collect(2).first(),
message: "The existing view state plus one new one should be published.")
viewModel.context.send(viewAction: .tappedOnUser(userID: "bob"))
try await deferred.fulfill()
XCTAssertFalse(viewModel.state.bindings.alertInfo.isNil)
XCTAssert(roomProxyMock.getMemberUserIDCallsCount == 1)
XCTAssertEqual(roomProxyMock.getMemberUserIDReceivedUserID, "bob")
}
func testRetrySend() async throws {
// Setup
let timelineController = MockRoomTimelineController()
let roomProxyMock = RoomProxyMock(with: .init(displayName: ""))
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: roomProxyMock,
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock)
// Test
viewModel.context.send(viewAction: .retrySend(itemID: .init(timelineID: UUID().uuidString, transactionID: "test retry send id")))
await Task.yield()
try? await Task.sleep(for: .microseconds(500))
XCTAssert(roomProxyMock.retrySendTransactionIDCallsCount == 1)
XCTAssert(roomProxyMock.retrySendTransactionIDReceivedInvocations == ["test retry send id"])
}
func testRetrySendNoTransactionID() async {
// Setup
let timelineController = MockRoomTimelineController()
let roomProxyMock = RoomProxyMock(with: .init(displayName: ""))
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: roomProxyMock,
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock)
// Test
viewModel.context.send(viewAction: .retrySend(itemID: .random))
await Task.yield()
XCTAssert(roomProxyMock.retrySendTransactionIDCallsCount == 0)
}
func testCancelSend() async {
// Setup
let timelineController = MockRoomTimelineController()
let roomProxyMock = RoomProxyMock(with: .init(displayName: ""))
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: roomProxyMock,
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock)
// Test
viewModel.context.send(viewAction: .cancelSend(itemID: .init(timelineID: UUID().uuidString, transactionID: "test cancel send id")))
try? await Task.sleep(for: .microseconds(500))
XCTAssert(roomProxyMock.cancelSendTransactionIDCallsCount == 1)
XCTAssert(roomProxyMock.cancelSendTransactionIDReceivedInvocations == ["test cancel send id"])
}
func testCancelSendNoTransactionID() async {
// Setup
let timelineController = MockRoomTimelineController()
let roomProxyMock = RoomProxyMock(with: .init(displayName: ""))
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: roomProxyMock,
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock)
// Test
viewModel.context.send(viewAction: .cancelSend(itemID: .random))
await Task.yield()
XCTAssert(roomProxyMock.cancelSendTransactionIDCallsCount == 0)
}
func testMarkAsRead() async throws {
// Setup
let notificationCenterMock = NotificationCenterMock()
let timelineController = MockRoomTimelineController()
let roomProxyMock = RoomProxyMock(with: .init(displayName: ""))
let viewModel = RoomScreenViewModel(timelineController: timelineController,
mediaProvider: MockMediaProvider(),
roomProxy: roomProxyMock,
appSettings: ServiceLocator.shared.settings,
analytics: ServiceLocator.shared.analytics,
userIndicatorController: userIndicatorControllerMock,
notificationCenterProtocol: notificationCenterMock)
viewModel.context.send(viewAction: .markRoomAsRead)
try await Task.sleep(for: .microseconds(100))
XCTAssertEqual(notificationCenterMock.postNameObjectReceivedArguments?.aName, .roomMarkedAsRead)
let roomID = notificationCenterMock.postNameObjectReceivedArguments?.anObject as? String
XCTAssertEqual(roomID, roomProxyMock.id)
}
}
private extension TextRoomTimelineItem {
init(text: String, sender: String, addReactions: Bool = false) {
let reactions = addReactions ? [AggregatedReaction(accountOwnerID: "bob", key: "🦄", senders: [ReactionSender(senderID: sender, timestamp: Date())])] : []
self.init(id: .random,
timestamp: "10:47 am",
isOutgoing: sender == "bob",
isEditable: sender == "bob",
sender: .init(id: "@\(sender):server.com", displayName: sender),
content: .init(body: text),
properties: RoomTimelineItemProperties(reactions: reactions))
}
}