added tests for MoreChannelActionsViewModel

Author: martinmitrevski

StreamChatSwiftUI.xcodeproj/project.pbxproj

@@ -206,6 +206,8 @@
 		84C94D3D27579BB0007FE2B9 /* TestDataModel2.xcdatamodeld in Sources */ = {isa = PBXBuildFile; fileRef = 84C94D3527579BB0007FE2B9 /* TestDataModel2.xcdatamodeld */; };
 		84C94D3E27579BB0007FE2B9 /* StreamChatModel.xcdatamodeld in Sources */ = {isa = PBXBuildFile; fileRef = 84C94D3727579BB0007FE2B9 /* StreamChatModel.xcdatamodeld */; };
 		84C94D422757C16D007FE2B9 /* ChatChannelListTestHelpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84C94D412757C16D007FE2B9 /* ChatChannelListTestHelpers.swift */; };
+		84C94D442757C704007FE2B9 /* MoreChannelActionsViewModel_Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84C94D432757C704007FE2B9 /* MoreChannelActionsViewModel_Tests.swift */; };
+		84C94D462757D1CA007FE2B9 /* ImageLoader_Mock.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84C94D452757D1CA007FE2B9 /* ImageLoader_Mock.swift */; };
 		84EDBC37274FE5CD0057218D /* Localizable.strings in Resources */ = {isa = PBXBuildFile; fileRef = 84EDBC36274FE5CD0057218D /* Localizable.strings */; };
 /* End PBXBuildFile section */
 
@@ -442,6 +444,8 @@
 		84C94D3627579BB0007FE2B9 /* TestDataModel2.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = TestDataModel2.xcdatamodel; sourceTree = "<group>"; };
 		84C94D3827579BB0007FE2B9 /* StreamChatModel.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = StreamChatModel.xcdatamodel; sourceTree = "<group>"; };
 		84C94D412757C16D007FE2B9 /* ChatChannelListTestHelpers.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ChatChannelListTestHelpers.swift; sourceTree = "<group>"; };
+		84C94D432757C704007FE2B9 /* MoreChannelActionsViewModel_Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MoreChannelActionsViewModel_Tests.swift; sourceTree = "<group>"; };
+		84C94D452757D1CA007FE2B9 /* ImageLoader_Mock.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImageLoader_Mock.swift; sourceTree = "<group>"; };
 		84EDBC36274FE5CD0057218D /* Localizable.strings */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.strings; path = Localizable.strings; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -782,6 +786,7 @@
 			isa = PBXGroup;
 			children = (
 				84C94C7F27567D3F007FE2B9 /* ChatChannelListViewModel_Tests.swift */,
+				84C94D432757C704007FE2B9 /* MoreChannelActionsViewModel_Tests.swift */,
 				84C94D412757C16D007FE2B9 /* ChatChannelListTestHelpers.swift */,
 			);
 			path = ChatChannelList;
@@ -907,6 +912,7 @@
 				84C94D272757954C007FE2B9 /* VirtualTimer.swift */,
 				84C94D29275796D0007FE2B9 /* MockNetworkURLProtocol.swift */,
 				84C94D2B275796F7007FE2B9 /* RequestRecorderURLProtocol.swift */,
+				84C94D452757D1CA007FE2B9 /* ImageLoader_Mock.swift */,
 			);
 			path = Mocks;
 			sourceTree = "<group>";
@@ -1237,6 +1243,7 @@
 				84C94D0B27578BF2007FE2B9 /* QueueAwareDelegate.swift in Sources */,
 				84C94CE427578B92007FE2B9 /* ChatChannelController_Mock.swift in Sources */,
 				84C94D282757954C007FE2B9 /* VirtualTimer.swift in Sources */,
+				84C94D442757C704007FE2B9 /* MoreChannelActionsViewModel_Tests.swift in Sources */,
 				84C94CD727578B92007FE2B9 /* ChatMessageLinkAttachment_Mock.swift in Sources */,
 				84C94D0527578BF2007FE2B9 /* TestRunnerEnvironment.swift in Sources */,
 				84C94D1A27579273007FE2B9 /* TestRequest.swift in Sources */,
@@ -1254,6 +1261,7 @@
 				84C94D1E2757929C007FE2B9 /* APIClient_Mock.swift in Sources */,
 				84C94CE927578B93007FE2B9 /* ChatClient_Mock.swift in Sources */,
 				84C94D2627579511007FE2B9 /* CDNClient_Mock.swift in Sources */,
+				84C94D462757D1CA007FE2B9 /* ImageLoader_Mock.swift in Sources */,
 				84C94D2A275796D0007FE2B9 /* MockNetworkURLProtocol.swift in Sources */,
 				84C94CCF27578B92007FE2B9 /* ChatMessageReaction_Mock.swift in Sources */,
 				84C94D0327578BF2007FE2B9 /* WaitFor.swift in Sources */,

StreamChatSwiftUITests/Infrastructure/Mocks/ImageLoader_Mock.swift

@@ -0,0 +1,23 @@
+//
+// Copyright © 2021 Stream.io Inc. All rights reserved.
+//
+
+import Foundation
+import UIKit
+@testable import StreamChat
+import StreamChatSwiftUI
+
+class ImageLoader_Mock: ImageLoading {
+    
+    static let defaultLoadedImage = UIImage(systemName: "checkmark")!
+    
+    func loadImage(
+        url: URL?,
+        imageCDN: ImageCDN,
+        resize: Bool,
+        preferredSize: CGSize?,
+        completion: @escaping ((Result<UIImage, Error>) -> Void)) {
+            completion(.success(Self.defaultLoadedImage))
+    }
+    
+}

StreamChatSwiftUITests/Tests/ChatChannelList/MoreChannelActionsViewModel_Tests.swift

@@ -0,0 +1,107 @@
+//
+// Copyright © 2021 Stream.io Inc. All rights reserved.
+//
+
+import XCTest
+@testable import StreamChatSwiftUI
+@testable import StreamChat
+
+class MoreChannelActionsViewModel_Tests: XCTestCase {
+    
+    @Injected(\.images) var images
+    
+    private var chatClient: ChatClient = {
+        let client = ChatClient.mock()
+        client.currentUserId = .unique
+        return client
+    }()
+    
+    private var streamChat: StreamChat?
+        
+    override func setUp() {
+        super.setUp()
+        let imageLoader = ImageLoader_Mock()
+        let utils = Utils(imageLoader: imageLoader)
+        streamChat = StreamChat(chatClient: chatClient, utils: utils)
+    }
+
+    func test_moreActionsVM_membersLoaded() {
+        // Given
+        let memberId: String = .unique
+        let viewModel = makeMoreActionsViewModel(
+            members: [.mock(id: memberId, isOnline: true)]
+        )
+        
+        // When
+        let members = viewModel.members
+        
+        // Then
+        XCTAssert(members.count == 1)
+        XCTAssert(members[0].id == memberId)
+    }
+    
+    func test_moreActionsVM_chatHeaderInfo() {
+        // Given
+        let viewModel = makeMoreActionsViewModel()
+        
+        // When
+        let title = viewModel.chatName
+        let subtitle = viewModel.subtitleText
+        
+        // Then
+        XCTAssert(title == "test")
+        XCTAssert(subtitle == "Online")
+    }
+    
+    func test_moreActionsVM_imageLoading() {
+        // Given
+        let memberId: String = .unique
+        let member: ChatChannelMember = .mock(id: memberId, isOnline: true)
+        let viewModel = makeMoreActionsViewModel(
+            members: [member]
+        )
+        
+        // When
+        let firstImage = viewModel.image(for: member)
+        let secondImage = viewModel.image(for: member)
+        let cachedImage = viewModel.memberAvatars[memberId]
+        
+        // Then
+        XCTAssert(firstImage == images.userAvatarPlaceholder2)
+        XCTAssert(secondImage == ImageLoader_Mock.defaultLoadedImage)
+        XCTAssert(cachedImage != nil)
+        XCTAssert(cachedImage == secondImage)
+    }
+    
+    //MARK: - private
+    
+    private func makeMoreActionsViewModel(
+        members: [ChatChannelMember] = []
+    ) -> MoreChannelActionsViewModel {
+        var channelMembers = [ChatChannelMember]()
+        if !members.isEmpty {
+            channelMembers = members
+        } else {
+            channelMembers = [.mock(id: .unique, isOnline: true)]
+        }
+        let channel = ChatChannel.mockDMChannel(
+            name: "test",
+            lastActiveMembers: channelMembers
+        )
+        
+        let channelActions = ChannelAction.defaultActions(
+            for: channel,
+            chatClient: chatClient,
+            onDismiss: {},
+            onError: { _ in }
+        )
+        
+        let moreActionsVM = MoreChannelActionsViewModel(
+            channel: channel,
+            channelActions: channelActions
+        )
+        
+        return moreActionsVM
+    }
+
+}