Add RoomChangePermissionsScreen (#2513)

UnitTests/Sources/RoomChangePermissionsScreenViewModelTests.swift

@@ -0,0 +1,87 @@
+//
+// 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.
+//
+
+import XCTest
+
+@testable import ElementX
+
+@MainActor
+class RoomChangePermissionsScreenViewModelTests: XCTestCase {
+    var roomProxy: RoomProxyMock!
+    var viewModel: RoomChangePermissionsScreenViewModelProtocol!
+    
+    var context: RoomChangePermissionsScreenViewModelType.Context {
+        viewModel.context
+    }
+    
+    override func setUp() {
+        roomProxy = RoomProxyMock(with: .init())
+        viewModel = RoomChangePermissionsScreenViewModel(currentPermissions: .init(),
+                                                         group: .roomDetails,
+                                                         roomProxy: roomProxy,
+                                                         userIndicatorController: UserIndicatorControllerMock())
+    }
+
+    func testChangeSetting() {
+        // Given a screen with no changes.
+        guard let index = context.settings.firstIndex(where: { $0.keyPath == \.roomAvatar }) else {
+            XCTFail("There should be a setting for the room avatar.")
+            return
+        }
+        XCTAssertEqual(context.settings[index].value, .moderator)
+        XCTAssertFalse(context.viewState.hasChanges)
+        
+        // When updating a setting.
+        let setting = RoomPermissionsSetting(keyPath: \.roomAvatar, value: .user, title: "")
+        context.settings[index] = setting
+        
+        // Then the setting should update and the changes should be flagged.
+        XCTAssertEqual(context.settings[index].value, .user)
+        XCTAssertTrue(context.viewState.hasChanges)
+    }
+    
+    func testSave() async throws {
+        // Given a screen with changes.
+        guard let index = context.settings.firstIndex(where: { $0.keyPath == \.roomAvatar }) else {
+            XCTFail("There should be a setting for the room avatar.")
+            return
+        }
+        context.settings[index] = RoomPermissionsSetting(keyPath: \.roomAvatar, value: .user, title: "")
+        XCTAssertEqual(context.settings[index].value, .user)
+        XCTAssertTrue(context.viewState.hasChanges)
+        
+        // When saving changes.
+        context.send(viewAction: .save)
+        // Nothing to await right now,
+        try await Task.sleep(for: .milliseconds(100))
+        
+        // Then the changes should be applied.
+        XCTAssertTrue(roomProxy.applyPowerLevelChangesCalled)
+        XCTAssertEqual(roomProxy.applyPowerLevelChangesReceivedChanges, .init(roomName: 50, roomAvatar: 0, roomTopic: 50),
+                       "Only the changes for this screen should be applied, the others should be nil to remain unchanged.")
+    }
+    
+    func testSaveNoChanges() async throws {
+        // Given a screen with no changes.
+        XCTAssertFalse(context.viewState.hasChanges)
+        
+        // When saving changes.
+        context.send(viewAction: .save)
+        
+        // Then nothing should happen.
+        XCTAssertFalse(roomProxy.applyPowerLevelChangesCalled)
+    }
+}

UnitTests/Sources/RoomPermissionsTests.swift

@@ -0,0 +1,91 @@
+//
+// 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 MatrixRustSDK
+import XCTest
+
+@testable import ElementX
+
+class RoomPermissionsTests: XCTestCase {
+    func testEmptyFromRust() {
+        // Given an empty set of power level changes.
+        let powerLevelChanges = RoomPowerLevelChanges()
+        
+        // When creating room permissions from them.
+        let permissions = RoomPermissions(powerLevelChanges: powerLevelChanges)
+        
+        // Then none of the permissions should be set.
+        XCTAssertNil(permissions.ban)
+        XCTAssertNil(permissions.invite)
+        XCTAssertNil(permissions.kick)
+        XCTAssertNil(permissions.redact)
+        XCTAssertNil(permissions.eventsDefault)
+        XCTAssertNil(permissions.stateDefault)
+        XCTAssertNil(permissions.usersDefault)
+        XCTAssertNil(permissions.roomName)
+        XCTAssertNil(permissions.roomAvatar)
+        XCTAssertNil(permissions.roomTopic)
+    }
+    
+    func testCompleteFromRust() {
+        // Given a set of power level changes with all the values set to 100.
+        let powerLevelChanges = RoomPowerLevelChanges(ban: 100,
+                                                      invite: 100,
+                                                      kick: 100,
+                                                      redact: 100,
+                                                      eventsDefault: 100,
+                                                      stateDefault: 100,
+                                                      usersDefault: 100,
+                                                      roomName: 100,
+                                                      roomAvatar: 100,
+                                                      roomTopic: 100)
+        
+        // When creating room permissions from them.
+        let permissions = RoomPermissions(powerLevelChanges: powerLevelChanges)
+        
+        // Then all of the permissions should be for an administrator.
+        XCTAssertEqual(permissions.ban, .administrator)
+        XCTAssertEqual(permissions.invite, .administrator)
+        XCTAssertEqual(permissions.kick, .administrator)
+        XCTAssertEqual(permissions.redact, .administrator)
+        XCTAssertEqual(permissions.eventsDefault, .administrator)
+        XCTAssertEqual(permissions.stateDefault, .administrator)
+        XCTAssertEqual(permissions.usersDefault, .administrator)
+        XCTAssertEqual(permissions.roomName, .administrator)
+        XCTAssertEqual(permissions.roomAvatar, .administrator)
+        XCTAssertEqual(permissions.roomTopic, .administrator)
+    }
+    
+    func testToRust() {
+        // Given a set of permissions where on some of the values have been set.
+        let permissions = RoomPermissions(roomName: .administrator, roomAvatar: .administrator, roomTopic: .administrator)
+        
+        // When creating power level changes from them.
+        let powerLevelChanges = permissions.makePowerLevelChanges()
+        
+        // Then only the permissions that were set should be included.
+        XCTAssertNil(powerLevelChanges.ban, "Unset values should be nil for Rust to merge with the current value.")
+        XCTAssertNil(powerLevelChanges.invite, "Unset values should be nil for Rust to merge with the current value.")
+        XCTAssertNil(powerLevelChanges.kick, "Unset values should be nil for Rust to merge with the current value.")
+        XCTAssertNil(powerLevelChanges.redact, "Unset values should be nil for Rust to merge with the current value.")
+        XCTAssertNil(powerLevelChanges.eventsDefault, "Unset values should be nil for Rust to merge with the current value.")
+        XCTAssertNil(powerLevelChanges.stateDefault, "Unset values should be nil for Rust to merge with the current value.")
+        XCTAssertNil(powerLevelChanges.usersDefault, "Unset values should be nil for Rust to merge with the current value.")
+        XCTAssertEqual(powerLevelChanges.roomName, 100)
+        XCTAssertEqual(powerLevelChanges.roomAvatar, 100)
+        XCTAssertEqual(powerLevelChanges.roomTopic, 100)
+    }
+}