phellipealexandre

@Test
fun `Retrieve notes count from server when requested`() {
    val notesApiStub = //Dublê de teste Stub
    val noteRepository = NoteRepository(notesApiStub)

    //Configuração do Stub. Valor hard-coded retornado será uma lista com 2 notas.
    //Esse método será chamado pelo noteRepository.getNoteCount()
    val note = //Dublê de teste Dummy
    every { notesApiStub.fetchAllNotes() } returns listOf(note, note)

phellipealexandre

@Test
fun `Retrieve all notes when requested`() {
    //Dublê de teste Fake. Implementa a mesma interface do original.
    val noteApiFake = FakeNoteApi() 
    val noteRepository = NoteRepository(noteApiFake)    
    val note = //Dublê de teste Dummy
    noteApiFake.uploadNote(note)
    noteApiFake.uploadNote(note)
    
    //Fake será utilizado por debaixo dos panos com uma implementação real

phellipealexandre

@Test
fun `Track analytics event when creating new note`() {
    val analyticsWrapperMock = //Dublê de teste Mock
    val noteAnalytics = NoteAnalytics(analyticsWrapperMock)

    noteAnalytics.trackNewNoteEvent(NoteType.Supermarket)

    //Mock verifica que comportamento específico aconteceu
    verify(exactly = 1) { analyticsWrapperMock.logEvent("NewNote", "SuperMarket") }
}

phellipealexandre

@Test
fun `Track analytics event when creating new note`() {
    val analyticsWrapperSpy = //Dublê de teste Spy
    val noteAnalytics = NoteAnalytics(analyticsWrapperSpy)

    //Spy grava o comportamento por debaixo dos panos
    noteAnalytics.trackCreateNewNoteEvent(NoteType.Supermarket)

    //Spy verifica que comportamento ocorreu baseado em implementação interna
    analyticsWrapperSpy.assertThatNewNoteEventWasRegistered("SuperMarket")

phellipealexandre

@Test
fun `Retrieve notes count from server when requested`() {
    val notesApiStub = mockk<NotesApi>() //Dublê de teste Stub
    val noteRepository = NoteRepository(notesApiStub)
    val note = generateDummyNote() //Método privado
    every { notesApiStub.fetchAllNotes() } returns listOf(note, note)

    val allNotesCount = noteRepository.getNoteCount()

    assertEquals(expected = 2, actual = allNotesCount)

phellipealexandre

@Test
fun `Track analytics event when creating new note`() {
    val analyticsWrapperMock = mockk<AnalyticsWrapper>() //Dublê de teste Mock
    val noteAnalytics = NoteAnalytics(analyticsWrapperMock)

    noteAnalytics.trackNewNoteEvent(NoteType.Supermarket)

    //Mock verifica que comportamento específico aconteceu
    verify(exactly = 1) { analyticsWrapperMock.logEvent("NewNote", "SuperMarket") }
}

phellipealexandre

@Test
fun `Update registered note count when registering a new note in empty repository`() {
    val dummyNote = //Dummy
    
    noteRepository.registerNote(dummyNote) //Just filling the parameter, the double's content is not relevant for the test
    val allNotes = noteRepository.getNotes()

    assertEquals(expected = 1, actual = allNotes.size)
}

phellipealexandre

//----- Literal dummy -----
val dummyPrice = 10.0 

//----- Generated dummy -----
val dummyCustomer = CustomerTestBuilder.build() 

//----- Alternative empty implementation -----
val dummyNote = DummyNote() 

class DummyNote(): Note //No implementation  

phellipealexandre

@Test
fun `Retrieve notes count from server when requested`() {
    val notesApiStub = //Stub
    val note = //Dummy
    val noteRepository = NoteRepository(notesApiStub) //System under test

    //Stub configuration. Hard-coded value returned will be a list with 2 entries.
    //This method is going to be called by noteRepository.getNoteCount()
    every { notesApiStub.fetchAllNotes() } returns listOf(note, note)

phellipealexandre

@Test
fun `Retrieve all notes when requested`() {
    val noteApiFake = FakeNoteApi() //Fake double implementing the same interface as the original
    val noteRepository = NoteRepository(noteApiFake) //System under test 
    val note = //Dummy
    noteApiFake.uploadNote(note) //Configuring the fake
    noteApiFake.uploadNote(note) //Configuring the fake
    
    //Fake with real and lightweight implementation is going to be used under the hoods
    val allNotes = noteRepository.getNotes()