Marcin Pałosz

Podfile.lock

@@ -112,4 +112,4 @@ SPEC CHECKSUMS:
 
 PODFILE CHECKSUM: 6247cb6411c9a6486ecf6672c9cb0f33c93e8ca6
 
-COCOAPODS: 1.9.3
+COCOAPODS: 1.11.3

ios-dev-interview-tests/Characters/Unit/CharactersDetailsViewModelTests.swift

@@ -0,0 +1,34 @@
+//
+//  CharactersDetailsViewModelTests.swift
+//  ios-dev-interview-tests
+//
+//  Created by Adam Majczyk on 15/09/2020.
+//  Copyright © 2020 Goodylabs. All rights reserved.
+//
+
+import XCTest
+import RxSwift
+import Foundation
+
+@testable import IOS_DEV_INTERVIEW
+
+final class CharactersDetailsViewModelTests: XCTestCase {
+
+    func testFetchCharacterShouldUpdateCharacter() {
+        // Given
+        let character = ResponseMock.character
+        let service = CharacterServiceMock(character: character)
+        let viewModel = CharacterDetailsViewModel(service: service, id: character.id!)
+        // When
+        viewModel.fetchCharacter()
+        // Then
+        XCTAssertNotNil(viewModel.character.value)
+        XCTAssertEqual(viewModel.character.value!.id, character.id)
+        XCTAssertEqual(viewModel.character.value!.name, character.name)
+        XCTAssertEqual(viewModel.character.value!.status, character.status)
+        XCTAssertEqual(viewModel.character.value!.species, character.species)
+        XCTAssertEqual(viewModel.character.value!.image, character.image)
+        XCTAssertEqual(viewModel.character.value!.gender, character.gender)
+    }
+
+}

ios-dev-interview-tests/Characters/Unit/CharactersListViewModelTests.swift

@@ -0,0 +1,32 @@
+//
+//  CharactersListViewModelTests.swift
+//  ios-dev-interview-tests
+//
+//  Created by Marcin Pałosz on 31/03/2022.
+//  Copyright © 2022 Flipside Group. All rights reserved.
+//
+
+import XCTest
+import RxSwift
+import Foundation
+
+@testable import IOS_DEV_INTERVIEW
+
+final class CharactersListViewModelTests: XCTestCase {
+
+    func testFetchCharactersListShouldUpdateCharacters() {
+        // Given
+        let characters = ResponseMock.characters
+        let service = CharacterServiceMock(characters: characters)
+        let viewModel = CharactersListViewModel(service: service)
+        // When
+        viewModel.fetchCharacters(page: 0)
+        // Then
+        XCTAssertEqual(viewModel.characters.value[0].id, characters.results![0].id)
+        XCTAssertEqual(viewModel.characters.value[0].name, characters.results![0].name)
+        XCTAssertEqual(viewModel.characters.value[1].id, characters.results![1].id)
+        XCTAssertEqual(viewModel.characters.value[1].name, characters.results![1].name)
+        // Analogically we could test other fields
+    }
+
+}

ios-dev-interview-tests/Characters/Unit/Mocks.swift

@@ -0,0 +1,37 @@
+//
+//  Mocks.swift
+//  ios-dev-interview-tests
+//
+//  Created by Marcin Pałosz on 31/03/2022.
+//  Copyright © 2022 Flipside Group. All rights reserved.
+//
+
+import Foundation
+import RxSwift
+@testable import IOS_DEV_INTERVIEW
+
+enum ResponseMock {
+    static let characters = CharacterResponse(info: .init(pages: 0), results: [
+        Character(id: 5, name: "Morty Smith", status: "Alive", species: "Human", image: "https://rickandmortyapi.com/api/character/avatar/2.jpeg", gender: .male),
+        Character(id: 8, name: "Arthricia", status: "Alive", species: "Human", image: "https://rickandmortyapi.com/api/character/avatar/1.jpeg", gender: .female)
+                  ])
+
+    static let character = Character(id: 5, name: "Morty Smith", status: "Alive", species: "Alien", image: "https://rickandmortyapi.com/api/character/avatar/2.jpeg", gender: .male)
+}
+
+final class CharacterServiceMock: CharacterService {
+
+    func getCharacters(page: Int) -> Observable<CharacterResponse> { characters }
+
+    func getCharacter(id: Int) -> Observable<Character> { character }
+
+    let characters: Observable<CharacterResponse>
+    let character: Observable<Character>
+
+    init(characters: CharacterResponse? = nil, character: Character? = nil) {
+        self.characters = characters != nil ? Observable.just(characters!) : Observable.error(CharacterServiceError())
+        self.character = character != nil ? Observable.just(character!) : Observable.error(CharacterServiceError())
+    }
+}
+
+struct CharacterServiceError: Error { }