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Add Thread List View Model test coverage
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185
StreamChatSwiftUITests/Tests/ChatThreadList/ChatThreadListViewModel_Tests.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| // | ||
| // Copyright © 2024 Stream.io Inc. All rights reserved. | ||
| // | ||
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| @testable import StreamChat | ||
| @testable import StreamChatSwiftUI | ||
| @testable import StreamChatTestTools | ||
| import XCTest | ||
|
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| class ChatThreadListViewModel_Tests: StreamChatTestCase { | ||
|
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| func test_viewDidAppear_thenLoadsThreads() { | ||
| let mockThreadListController = ChatThreadListController_Mock.mock( | ||
| query: .init(watch: true) | ||
| ) | ||
| let viewModel = ChatThreadListViewModel( | ||
| threadListController: mockThreadListController | ||
| ) | ||
|
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| viewModel.viewDidAppear() | ||
| XCTAssertEqual(mockThreadListController.synchronize_callCount, 1) | ||
| } | ||
|
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| func test_viewDidAppear_whenAlreadyLoadedThreads_thenDoesNotLoadsThreads() { | ||
| let mockThreadListController = ChatThreadListController_Mock.mock( | ||
| query: .init(watch: true) | ||
| ) | ||
| let viewModel = ChatThreadListViewModel( | ||
| threadListController: mockThreadListController | ||
| ) | ||
|
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| viewModel.viewDidAppear() | ||
| mockThreadListController.synchronize_completion?(nil) | ||
| viewModel.viewDidAppear() | ||
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| XCTAssertEqual(mockThreadListController.synchronize_callCount, 1) | ||
| } | ||
|
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| func test_loadThreads_whenInitialEmptyData_whenSuccess() { | ||
| let mockThreadListController = ChatThreadListController_Mock.mock( | ||
| query: .init(watch: true) | ||
| ) | ||
| mockThreadListController.threads_mock = [] | ||
| let viewModel = ChatThreadListViewModel( | ||
| threadListController: mockThreadListController | ||
| ) | ||
|
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| viewModel.loadThreads() | ||
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| XCTAssertEqual(viewModel.isLoading, true) | ||
| XCTAssertEqual(viewModel.isReloading, false) | ||
| XCTAssertEqual(viewModel.failedToLoadThreads, false) | ||
| XCTAssertEqual(viewModel.hasLoadedThreads, false) | ||
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| mockThreadListController.threads_mock = [.mock()] | ||
| mockThreadListController.synchronize_completion?(nil) | ||
|
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| XCTAssertEqual(viewModel.isLoading, false) | ||
| XCTAssertEqual(viewModel.isReloading, false) | ||
| XCTAssertEqual(viewModel.failedToLoadThreads, false) | ||
| XCTAssertEqual(viewModel.hasLoadedThreads, true) | ||
| XCTAssertEqual(viewModel.isEmpty, false) | ||
| } | ||
|
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| func test_loadThreads_whenCacheAvailable_whenSuccess() { | ||
| let mockThreadListController = ChatThreadListController_Mock.mock( | ||
| query: .init(watch: true) | ||
| ) | ||
| mockThreadListController.threads_mock = [.mock()] | ||
| let viewModel = ChatThreadListViewModel( | ||
| threadListController: mockThreadListController | ||
| ) | ||
|
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| viewModel.loadThreads() | ||
|
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| XCTAssertEqual(viewModel.isLoading, false) | ||
| XCTAssertEqual(viewModel.isReloading, true) | ||
| XCTAssertEqual(viewModel.failedToLoadThreads, false) | ||
| XCTAssertEqual(viewModel.hasLoadedThreads, false) | ||
|
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| mockThreadListController.threads_mock = [.mock(), .mock()] | ||
| mockThreadListController.synchronize_completion?(nil) | ||
|
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| XCTAssertEqual(viewModel.isLoading, false) | ||
| XCTAssertEqual(viewModel.isReloading, false) | ||
| XCTAssertEqual(viewModel.failedToLoadThreads, false) | ||
| XCTAssertEqual(viewModel.hasLoadedThreads, true) | ||
| XCTAssertEqual(viewModel.isEmpty, false) | ||
| } | ||
|
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| func test_loadThreads_whenError() { | ||
| let mockThreadListController = ChatThreadListController_Mock.mock( | ||
| query: .init(watch: true) | ||
| ) | ||
| mockThreadListController.threads_mock = [] | ||
| let viewModel = ChatThreadListViewModel( | ||
| threadListController: mockThreadListController | ||
| ) | ||
|
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| viewModel.loadThreads() | ||
| mockThreadListController.threads_mock = [.mock()] | ||
| mockThreadListController.synchronize_completion?(ClientError("ERROR")) | ||
|
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| XCTAssertEqual(viewModel.isLoading, false) | ||
| XCTAssertEqual(viewModel.isReloading, false) | ||
| XCTAssertEqual(viewModel.failedToLoadThreads, true) | ||
| XCTAssertEqual(viewModel.failedToLoadMoreThreads, false) | ||
| XCTAssertEqual(viewModel.hasLoadedThreads, false) | ||
| } | ||
|
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| func test_didAppearThread_whenInsideThreshold_thenLoadMoreThreads() { | ||
| let mockThreadListController = ChatThreadListController_Mock.mock( | ||
| query: .init(watch: true) | ||
| ) | ||
| let viewModel = ChatThreadListViewModel( | ||
| threadListController: mockThreadListController | ||
| ) | ||
| let mockedThreads: [ChatThread] = [ | ||
| .mock(), .mock(), .mock(), .mock(), .mock(), .mock(), .mock() | ||
| ] | ||
| mockedThreads.forEach { thread in | ||
| viewModel.threads.append(thread) | ||
| } | ||
|
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| XCTAssertEqual(viewModel.isLoadingMoreThreads, false) | ||
|
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| viewModel.didAppearThread(at: 5) | ||
|
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| XCTAssertEqual(viewModel.isLoadingMoreThreads, true) | ||
| } | ||
|
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| func test_didAppearThread_whenNotInThreshold_thenDoNotLoadMoreThreads() { | ||
| let mockThreadListController = ChatThreadListController_Mock.mock( | ||
| query: .init(watch: true) | ||
| ) | ||
| let viewModel = ChatThreadListViewModel( | ||
| threadListController: mockThreadListController | ||
| ) | ||
| let mockedThreads: [ChatThread] = [ | ||
| .mock(), .mock(), .mock(), .mock(), .mock(), .mock(), .mock() | ||
| ] | ||
| mockedThreads.forEach { thread in | ||
| viewModel.threads.append(thread) | ||
| } | ||
|
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| XCTAssertEqual(viewModel.isLoadingMoreThreads, false) | ||
|
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| viewModel.didAppearThread(at: 0) | ||
|
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| XCTAssertEqual(viewModel.isLoadingMoreThreads, false) | ||
| } | ||
|
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| func test_didReceiveThreadMessageNewEvent() { | ||
| let mockThreadListController = ChatThreadListController_Mock.mock( | ||
| query: .init(watch: true) | ||
| ) | ||
| let viewModel = ChatThreadListViewModel( | ||
| threadListController: mockThreadListController | ||
| ) | ||
| let eventController = mockThreadListController.client.eventsController() | ||
|
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| // 2 Events | ||
| viewModel.eventsController( | ||
| eventController, | ||
| didReceiveEvent: ThreadMessageNewEvent( | ||
| message: .mock(parentMessageId: .unique), | ||
| channel: .mock(cid: .unique), | ||
| unreadCount: .noUnread, | ||
| createdAt: .unique | ||
| ) | ||
| ) | ||
| viewModel.eventsController( | ||
| eventController, | ||
| didReceiveEvent: ThreadMessageNewEvent( | ||
| message: .mock(parentMessageId: .unique), | ||
| channel: .mock(cid: .unique), | ||
| unreadCount: .noUnread, | ||
| createdAt: .unique | ||
| ) | ||
| ) | ||
|
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| XCTAssertEqual(viewModel.newThreadsCount, 2) | ||
| XCTAssertTrue(viewModel.hasNewThreads) | ||
| } | ||
| } |