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

324 lines
14 KiB
Swift

//
// Copyright 2025 Element Creations Ltd.
// Copyright 2022-2025 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
// Please see LICENSE files in the repository root for full details.
//
@testable import ElementX
import Foundation
import Testing
@MainActor
final class MediaUploadPreviewScreenViewModelTests {
var timelineProxy: TimelineProxyMock!
var clientProxy: ClientProxyMock!
var userIndicatorController: UserIndicatorControllerMock!
var viewModel: MediaUploadPreviewScreenViewModel!
var context: MediaUploadPreviewScreenViewModel.Context {
viewModel.context
}
enum TestError: Swift.Error {
case unexpectedParameter
case unknown
}
init() {
AppSettings.resetAllSettings()
let appSettings = AppSettings()
appSettings.optimizeMediaUploads = false
ServiceLocator.shared.register(appSettings: appSettings)
}
deinit {
AppSettings.resetAllSettings()
}
@Test
func imageUploadWithoutCaption() async throws {
setUpViewModel(urls: [imageURL], expectedCaption: nil)
context.caption = .init("")
try await send()
}
@Test
func imageUploadWithBlankCaption() async throws {
setUpViewModel(urls: [imageURL], expectedCaption: nil)
context.caption = .init(" ")
try await send()
}
@Test
func imageUploadWithCaption() async throws {
let caption = "This is a really great image!"
setUpViewModel(urls: [imageURL], expectedCaption: caption)
context.caption = .init(string: caption)
try await send()
}
@Test
func videoUploadWithoutCaption() async throws {
setUpViewModel(urls: [videoURL], expectedCaption: nil)
context.caption = .init("")
try await send()
}
@Test
func videoUploadWithCaption() async throws {
let caption = "Check out this video!"
setUpViewModel(urls: [videoURL], expectedCaption: caption)
context.caption = .init(string: caption)
try await send()
}
@Test
func audioUploadWithoutCaption() async throws {
setUpViewModel(urls: [audioURL], expectedCaption: nil)
context.caption = .init("")
try await send()
}
@Test
func audioUploadWithCaption() async throws {
let caption = "Listen to this!"
setUpViewModel(urls: [audioURL], expectedCaption: caption)
context.caption = .init(string: caption)
try await send()
}
@Test
func fileUploadWithoutCaption() async throws {
setUpViewModel(urls: [fileURL], expectedCaption: nil)
context.caption = .init("")
try await send()
}
@Test
func fileUploadWithCaption() async throws {
let caption = "Please will you check my article."
setUpViewModel(urls: [fileURL], expectedCaption: caption)
context.caption = .init(string: caption)
try await send()
}
@Test
func processingFailure() async throws {
// Given an upload screen for a non-existent file.
setUpViewModel(urls: [badImageURL], expectedCaption: nil)
#expect(!context.viewState.shouldDisableInteraction)
#expect(userIndicatorController.submitIndicatorDelayCallsCount == 0)
// When attempting to send the file
let deferredFailure = deferFailure(viewModel.actions, timeout: .seconds(1), message: "The screen should remain visible.") { $0 == .dismiss }
context.send(viewAction: .send)
#expect(context.viewState.shouldDisableInteraction, "The interaction should be disabled while sending.")
#expect(userIndicatorController.submitIndicatorDelayCallsCount == 1) // Loading indicator
// Then the failure should occur preventing the screen from being dismissed.
try await deferredFailure.fulfill()
#expect(!context.viewState.shouldDisableInteraction)
#expect(userIndicatorController.submitIndicatorDelayCallsCount == 2, "An error indicator should be shown.")
}
@Test
func uploadWithUnknownMaxUploadSize() async throws {
// Given an upload screen that is unable to fetch the max upload size.
setUpViewModel(urls: [imageURL], expectedCaption: nil, maxUploadSizeResult: .failure(.sdkError(ClientProxyMockError.generic)))
#expect(!context.viewState.shouldDisableInteraction)
#expect(context.alertInfo == nil)
// When attempting to send the media.
let deferredAlert = deferFulfillment(context.observe(\.viewState.bindings.alertInfo)) { $0 != nil }
let deferredFailure = deferFailure(viewModel.actions, timeout: .seconds(1), message: "The screen should remain visible.") { $0 == .dismiss }
context.send(viewAction: .send)
#expect(context.viewState.shouldDisableInteraction, "The interaction should be disabled while sending.")
// Then alert should be shown to tell the user it failed.
try await deferredAlert.fulfill()
try await deferredFailure.fulfill()
#expect(!context.viewState.shouldDisableInteraction)
#expect(context.alertInfo?.id == .maxUploadSizeUnknown)
// When trying with the max upload size now available.
let deferredDismiss = deferFulfillment(viewModel.actions) { $0 == .dismiss }
clientProxy.underlyingMaxMediaUploadSize = .success(100 * 1024 * 1024)
context.alertInfo?.primaryButton.action?()
#expect(context.viewState.shouldDisableInteraction, "The interaction should be disabled while retrying.")
// Then the file should upload successfully.
try await deferredDismiss.fulfill()
}
@Test
func uploadExceedingMaxUploadSize() async throws {
// Given an upload screen with a really small max upload size.
setUpViewModel(urls: [imageURL], expectedCaption: nil, maxUploadSizeResult: .success(100))
#expect(!context.viewState.shouldDisableInteraction)
#expect(context.alertInfo == nil)
// When attempting to send an image that is larger the limit.
let deferredAlert = deferFulfillment(context.observe(\.viewState.bindings.alertInfo)) { $0 != nil }
let deferredFailure = deferFailure(viewModel.actions, timeout: .seconds(1), message: "The screen should remain visible.") { $0 == .dismiss }
context.send(viewAction: .send)
#expect(context.viewState.shouldDisableInteraction, "The interaction should be disabled while sending.")
// Then an alert should be shown to inform the user of the max upload size.
try await deferredAlert.fulfill()
try await deferredFailure.fulfill()
#expect(!context.viewState.shouldDisableInteraction)
#expect(context.alertInfo?.id == .maxUploadSizeExceeded(limit: 100))
}
@Test
func multipleFiles() async throws {
// Given an upload screen with multiple media files.
setUpViewModel(urls: [fileURL, imageURL, fileURL], expectedCaption: nil)
#expect(!context.viewState.shouldDisableInteraction)
#expect(userIndicatorController.submitIndicatorDelayCallsCount == 0)
// When attempting to send the files.
let deferredDismiss = deferFulfillment(viewModel.actions) { $0 == .dismiss }
context.send(viewAction: .send)
#expect(context.viewState.shouldDisableInteraction, "The interaction should be disabled while sending.")
#expect(userIndicatorController.submitIndicatorDelayCallsCount == 1) // Loading indicator
// Then the screen should be dismissed once all of the files have been sent.
try await deferredDismiss.fulfill()
#expect(timelineProxy.sendImageUrlThumbnailURLImageInfoCaptionRequestHandleCallsCount == 1)
#expect(timelineProxy.sendFileUrlFileInfoCaptionRequestHandleCallsCount == 2)
#expect(userIndicatorController.submitIndicatorDelayCallsCount == 1, "Only a loading indicator should be shown.")
}
@Test
func multipleFilesWithProcessingFailure() async throws {
// Given an upload screen for a non-existent file.
setUpViewModel(urls: [imageURL, fileURL, badImageURL], expectedCaption: nil)
#expect(!context.viewState.shouldDisableInteraction)
#expect(userIndicatorController.submitIndicatorDelayCallsCount == 0)
// When attempting to send the file
let deferredFailure = deferFailure(viewModel.actions, timeout: .seconds(1), message: "The screen should remain visible.") { $0 == .dismiss }
context.send(viewAction: .send)
#expect(context.viewState.shouldDisableInteraction, "The interaction should be disabled while sending.")
#expect(userIndicatorController.submitIndicatorDelayCallsCount == 1) // Loading indicator
// Then the failure should occur preventing the screen from being dismissed.
try await deferredFailure.fulfill()
#expect(!context.viewState.shouldDisableInteraction)
#expect(userIndicatorController.submitIndicatorDelayCallsCount == 2, "An error indicator should be shown.")
}
@Test
func multipleFilesWithSendFailure() async throws {
// Given an upload screen with multiple media files where one of the files will fail to send.
setUpViewModel(urls: [fileURL, imageURL, imageURL, fileURL], expectedCaption: nil, simulateImageSendFailures: true)
#expect(!context.viewState.shouldDisableInteraction)
#expect(userIndicatorController.submitIndicatorDelayCallsCount == 0)
// When attempting to send the files.
let deferredDismiss = deferFulfillment(viewModel.actions) { $0 == .dismiss }
context.send(viewAction: .send)
#expect(context.viewState.shouldDisableInteraction, "The interaction should be disabled while sending.")
#expect(userIndicatorController.submitIndicatorDelayCallsCount == 1) // Loading indicator
// Then the screen should be dismissed so the user can see which files made it into the timeline.
try await deferredDismiss.fulfill()
#expect(timelineProxy.sendImageUrlThumbnailURLImageInfoCaptionRequestHandleCallsCount == 2)
#expect(timelineProxy.sendFileUrlFileInfoCaptionRequestHandleCallsCount == 2)
#expect(userIndicatorController.submitIndicatorDelayCallsCount == 3, "Error indicators for each failure should be shown.")
}
// MARK: - Helpers
private var audioURL: URL {
assertResourceURL(filename: "test_audio.mp3")
}
private var fileURL: URL {
assertResourceURL(filename: "test_pdf.pdf")
}
private var imageURL: URL {
assertResourceURL(filename: "test_animated_image.gif")
}
private var videoURL: URL {
assertResourceURL(filename: "landscape_test_video.mov")
}
private var badImageURL = URL(filePath: "/home/user/this_file_doesn't_exist.jpg")
private func assertResourceURL(filename: String) -> URL {
guard let url = Bundle(for: Self.self).url(forResource: filename, withExtension: nil) else {
Issue.record("Failed retrieving test asset")
return .picturesDirectory
}
return url
}
private func setUpViewModel(urls: [URL],
expectedCaption: String?,
maxUploadSizeResult: Result<UInt, ClientProxyError>? = nil,
simulateImageSendFailures: Bool = false) {
timelineProxy = TimelineProxyMock(.init())
timelineProxy.sendAudioUrlAudioInfoCaptionRequestHandleClosure = { [weak self] _, _, caption, _ in
self?.verifyCaption(caption, expectedCaption: expectedCaption) ?? .failure(.sdkError(TestError.unknown))
}
timelineProxy.sendFileUrlFileInfoCaptionRequestHandleClosure = { [weak self] _, _, caption, _ in
self?.verifyCaption(caption, expectedCaption: expectedCaption) ?? .failure(.sdkError(TestError.unknown))
}
timelineProxy.sendImageUrlThumbnailURLImageInfoCaptionRequestHandleClosure = { [weak self] _, _, _, caption, _ in
guard !simulateImageSendFailures else { return .failure(.sdkError(TestError.unknown)) }
return self?.verifyCaption(caption, expectedCaption: expectedCaption) ?? .failure(.sdkError(TestError.unknown))
}
timelineProxy.sendVideoUrlThumbnailURLVideoInfoCaptionRequestHandleClosure = { [weak self] _, _, _, caption, _ in
self?.verifyCaption(caption, expectedCaption: expectedCaption) ?? .failure(.sdkError(TestError.unknown))
}
clientProxy = ClientProxyMock(.init())
if let maxUploadSizeResult {
clientProxy.underlyingMaxMediaUploadSize = maxUploadSizeResult
}
userIndicatorController = UserIndicatorControllerMock()
viewModel = MediaUploadPreviewScreenViewModel(mediaURLs: urls,
title: "Some File",
isRoomEncrypted: true,
shouldShowCaptionWarning: true,
mediaUploadingPreprocessor: MediaUploadingPreprocessor(appSettings: ServiceLocator.shared.settings),
timelineController: MockTimelineController(timelineProxy: timelineProxy),
clientProxy: clientProxy,
userIndicatorController: userIndicatorController)
}
private func verifyCaption(_ caption: String?, expectedCaption: String?) -> Result<Void, TimelineProxyError> {
guard caption == expectedCaption else {
Issue.record("The sent caption '\(caption ?? "nil")' does not match the expected value '\(expectedCaption ?? "nil")'")
return .failure(.sdkError(TestError.unexpectedParameter))
}
return .success(())
}
private func send() async throws {
#expect(!context.viewState.shouldDisableInteraction, "Attempting to send when interaction is disabled.")
let deferred = deferFulfillment(viewModel.actions) { $0 == .dismiss }
context.send(viewAction: .send)
#expect(context.viewState.shouldDisableInteraction, "The interaction should be disabled while sending.")
try await deferred.fulfill()
}
}