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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| // | ||
| // friendsTest.swift | ||
| // newHereTests_v2 | ||
| // | ||
| // Created by Liyang Wang on 11/10/23. | ||
| // | ||
|
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| import XCTest | ||
| @testable import newHere | ||
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| class FriendsTests: XCTestCase { | ||
| private var isPresented: Bool! | ||
| private var friendsView: Friends! | ||
| private var mockNetworkHandler: MockNetworkHandler! | ||
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| override func setUpWithError() throws { | ||
| isPresented = true | ||
| mockNetworkHandler = MockNetworkHandler() | ||
| friendsView = Friends(isPresented: .constant(isPresented)) | ||
| friendsView.networkHandler = mockNetworkHandler | ||
| } | ||
| override func tearDownWithError() throws { | ||
| isPresented = nil | ||
| friendsView = nil | ||
| mockNetworkHandler = nil | ||
| } | ||
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| func testInitialState() { | ||
| XCTAssertTrue(friendsView.friendsList.isEmpty, "Friends list should be empty initially") | ||
| XCTAssertNil(friendsView.errorMessage, "Error message should be nil initially") | ||
| } | ||
| func testFetchFriendsOnAppear() { | ||
| mockNetworkHandler.mockGetAllUserFriendsSuccess(friends: ["Alice", "Bob"]) | ||
| friendsView.onAppear() | ||
| XCTAssertEqual(friendsView.friendsList, ["Alice", "Bob"], "Friends list should be updated after fetching friends") | ||
| } | ||
| func testDeleteFriendSuccess() { | ||
| let friendToDelete = "Alice" | ||
| friendsView.friendsList = ["Alice", "Bob"] | ||
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| mockNetworkHandler.mockDeleteFriendSuccess() | ||
| friendsView.deleteFriendByName(userId: "TestUserID", friendName: friendToDelete) { _ in } | ||
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| XCTAssertFalse(friendsView.friendsList.contains(friendToDelete), "Friend should be removed from the list upon successful deletion") | ||
| } | ||
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| func testDeleteFriendFailure() { | ||
| let friendToDelete = "Alice" | ||
| let expectedError = "Network Error" | ||
| friendsView.friendsList = ["Alice", "Bob"] | ||
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| mockNetworkHandler.mockDeleteFriendFailure(error: expectedError) | ||
| friendsView.deleteFriendByName(userId: "TestUserID", friendName: friendToDelete) { result in | ||
| if case .failure(let error) = result { | ||
| XCTAssertEqual(friendsView.errorMessage, error.localizedDescription, "Error message should be updated upon deletion failure") | ||
| } else { | ||
| XCTFail("Deletion should fail and result in an error") | ||
| } | ||
| } | ||
| } | ||
| func testDeleteNonExistingFriend() { | ||
| let nonExistingFriend = "Charlie" | ||
| friendsView.friendsList = ["Alice", "Bob"] | ||
|
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| mockNetworkHandler.mockDeleteFriendSuccess() | ||
| friendsView.deleteFriendByName(userId: "TestUserID", friendName: nonExistingFriend) { _ in } | ||
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| XCTAssertEqual(friendsView.friendsList, ["Alice", "Bob"], "Friends list should remain unchanged when attempting to delete a non-existing friend") | ||
| } | ||
| func testFetchFriendsFailure() { | ||
| let expectedError = "Network Error" | ||
| mockNetworkHandler.mockGetAllUserFriendsFailure(error: expectedError) | ||
| friendsView.onAppear() | ||
| XCTAssertEqual(friendsView.errorMessage, expectedError, "Error message should be updated after a failed fetch") | ||
| } | ||
| func testAddFriendSuccess() { | ||
| let newFriend = "Charlie" | ||
| mockNetworkHandler.mockAddFriendSuccess() | ||
| friendsView.searchText = newFriend | ||
| friendsView.addFriend() | ||
| XCTAssertTrue(friendsView.friendsList.contains(newFriend), "New friend should be added to the friends list") | ||
| } | ||
| func testAddFriendFailure() { | ||
| let expectedError = "Add Friend Failed" | ||
| mockNetworkHandler.mockAddFriendFailure(error: expectedError) | ||
| friendsView.addFriend() | ||
| XCTAssertEqual(friendsView.errorMessage, expectedError, "Error message should be updated after a failed add friend attempt") | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // | ||
| // mockNetworkHandler.swift | ||
| // newHere | ||
| // | ||
| // Created by Liyang Wang on 11/10/23. | ||
| // | ||
|
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| import Foundation | ||
|
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| class MockNetworkHandler { | ||
| var friendsList: [String] = [] | ||
| var addFriendResult: Result<Void, Error>? | ||
| var deleteFriendResult: Result<Void, Error>? | ||
| var getAllFriendsResult: Result<[String], Error>? | ||
|
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| init() { | ||
| } | ||
| func mockAddFriendSuccess() { | ||
| addFriendResult = .success(()) | ||
| } | ||
| func mockAddFriendFailure(error: String) { | ||
| addFriendResult = .failure(MockError(errorDescription: error)) | ||
| } | ||
| func mockDeleteFriendSuccess() { | ||
| deleteFriendResult = .success(()) | ||
| } | ||
| func mockDeleteFriendFailure(error: String) { | ||
| deleteFriendResult = .failure(MockError(errorDescription: error)) | ||
| } | ||
| func mockGetAllUserFriendsSuccess(friends: [String]) { | ||
| getAllFriendsResult = .success(friends) | ||
| } | ||
| func mockGetAllUserFriendsFailure(error: String) { | ||
| getAllFriendsResult = .failure(MockError(errorDescription: error)) | ||
| } | ||
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| func addFriendByName(userId: String, friendName: String, completion: (Result<Void, Error>) -> Void) { | ||
| if let result = addFriendResult { | ||
| completion(result) | ||
| } | ||
| } | ||
| func deleteFriendByName(userId: String, friendName: String, completion: (Result<Void, Error>) -> Void) { | ||
| if let result = deleteFriendResult { | ||
| completion(result) | ||
| } | ||
| } | ||
| func getAllUserFriends(userId: String, completion: (Result<[String], Error>) -> Void) { | ||
| if let result = getAllFriendsResult { | ||
| completion(result) | ||
| } | ||
| } | ||
|
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| struct MockError: Error { | ||
| var errorDescription: String? | ||
| } | ||
| } |