Room List Filters implementation (#2423)

UnitTests/Sources/HomeScreenViewModelTests.swift

@@ -25,10 +25,13 @@ class HomeScreenViewModelTests: XCTestCase {
     var clientProxy: MockClientProxy!
     var context: HomeScreenViewModelType.Context! { viewModel.context }
     var cancellables = Set<AnyCancellable>()
+    var roomSummaryProvider: MockRoomSummaryProvider!
     
     override func setUpWithError() throws {
+        ServiceLocator.shared.settings.roomListFiltersEnabled = true
         cancellables.removeAll()
-        clientProxy = MockClientProxy(userID: "@mock:client.com")
+        roomSummaryProvider = MockRoomSummaryProvider(state: .loaded(.mockRooms))
+        clientProxy = MockClientProxy(userID: "@mock:client.com", roomSummaryProvider: roomSummaryProvider)
         viewModel = HomeScreenViewModel(userSession: MockUserSession(clientProxy: clientProxy,
                                                                      mediaProvider: MockMediaProvider(),
                                                                      voiceMessageMediaManager: VoiceMessageMediaManagerMock()),
@@ -37,6 +40,10 @@ class HomeScreenViewModelTests: XCTestCase {
                                         userIndicatorController: ServiceLocator.shared.userIndicatorController)
     }
     
+    override func tearDown() {
+        AppSettings.reset()
+    }
+    
     func testSelectRoom() async throws {
         let mockRoomId = "mock_room_id"
         var correctResult = false
@@ -153,4 +160,14 @@ class HomeScreenViewModelTests: XCTestCase {
         XCTAssertNil(context.alertInfo)
         XCTAssertTrue(correctResult)
     }
+    
+    func testFilters() async throws {
+        context.viewState.filtersState.activateFilter(.people)
+        try await Task.sleep(for: .milliseconds(100))
+        XCTAssertEqual(roomSummaryProvider.currentFilter, RoomSummaryProviderFilter.include(.init(filters: [.people])))
+        context.isSearchFieldFocused = true
+        context.searchQuery = "Test"
+        try await Task.sleep(for: .milliseconds(100))
+        XCTAssertEqual(roomSummaryProvider.currentFilter, RoomSummaryProviderFilter.include(.init(query: "Test", filters: [.people])))
+    }
 }

UnitTests/Sources/RoomListFiltersStateTests.swift

@@ -0,0 +1,70 @@
+//
+// 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.
+//
+
+import XCTest
+
+@testable import ElementX
+
+final class RoomListFiltersStateTests: XCTestCase {
+    var state: RoomListFiltersState!
+    
+    override func setUp() {
+        state = RoomListFiltersState()
+    }
+    
+    func testInitialState() {
+        XCTAssertFalse(state.isFiltering)
+        XCTAssertEqual(state.activeFilters, [])
+        XCTAssertEqual(state.availableFilters, RoomListFilter.allCases)
+    }
+    
+    func testSetAndUnsetFilters() {
+        state.activateFilter(.unreads)
+        XCTAssertTrue(state.isFiltering)
+        XCTAssertEqual(state.activeFilters, [.unreads])
+        XCTAssertEqual(state.availableFilters, [.people, .rooms, .favourites])
+        state.deactivateFilter(.unreads)
+        XCTAssertFalse(state.isFiltering)
+        XCTAssertEqual(state.activeFilters, [])
+        XCTAssertEqual(state.availableFilters, RoomListFilter.allCases)
+    }
+    
+    func testMutuallyExclusiveFilters() {
+        state.activateFilter(.people)
+        XCTAssertTrue(state.isFiltering)
+        XCTAssertEqual(state.activeFilters, [.people])
+        XCTAssertEqual(state.availableFilters, [.unreads, .favourites])
+        state.deactivateFilter(.people)
+        state.activateFilter(.rooms)
+        state.activateFilter(.unreads)
+        XCTAssertTrue(state.isFiltering)
+        XCTAssertEqual(state.activeFilters, [.rooms, .unreads])
+        XCTAssertEqual(state.availableFilters, [.favourites])
+    }
+    
+    func testClearFilters() {
+        state.activateFilter(.people)
+        state.activateFilter(.unreads)
+        state.activateFilter(.favourites)
+        XCTAssertTrue(state.isFiltering)
+        XCTAssertEqual(state.activeFilters, [.people, .unreads, .favourites])
+        XCTAssertEqual(state.availableFilters, [])
+        state.clearFilters()
+        XCTAssertFalse(state.isFiltering)
+        XCTAssertEqual(state.activeFilters, [])
+        XCTAssertEqual(state.availableFilters, RoomListFilter.allCases)
+    }
+}