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    @Test
    fun logInSuccess_test() {
        val email = "cool@cool.com"
        val password = "123456"
        Mockito.`when`(mAuth!!.signInWithEmailAndPassword(email, password))
                .thenReturn(successTask)
        logInModel!!.logIn(email, password)
        assert(logInResult == SUCCESS)
    }

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    @Before
    fun setUp() {
        MockitoAnnotations.initMocks(this)
        successTask = object : Task<AuthResult>() {
            override fun isComplete(): Boolean = true

            override fun isSuccessful(): Boolean = true
            // ...
            override fun addOnCompleteListener(executor: Executor,
                                onCompleteListener: OnCompleteListener<AuthResult>): Task<AuthResult> {

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class LogInModelTest : LogInListener {
    private lateinit var successTask: Task<AuthResult>
    private lateinit var failureTask: Task<AuthResult>

    @Mock
    private lateinit val mAuth: FirebaseAuth
    private lateinit var logInModel: LogInModel
    
    private var logInResult = UNDEF
    

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public interface LogInListener {
    void logInSuccess(String email, String password);
    void logInFailure(Exception exception, String email, String password);
}

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fun logIn(email: String, password: String) {
    mAuth.signInWithEmailAndPassword(email, password)
            .addOnCompleteListener(this, OnCompleteListener { task ->
                if (task.isSuccessful) {
                    observer.logInSuccess(email, password)
                } else {
                    observer.logInFailure(task.exception, email, password)
                }
            })
}

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var body: some View {
   ImagePicker()
}

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func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
    self.imagePicker.dismiss(animated: true)

    guard let image = info[.editedImage] as? UIImage else {
        print("No image found.")
        return
    }

    // At this point we know we have an image.
    // Print out the scale and size as a test:

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self.imagePicker = UIImagePickerController()

// Use the camera as the source
imagePicker.source = .camera
// Need to specify the delegate to get the result
imagePicker.delegate = self

// Present the imagePicker
present(imagePicker, animated: true)

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func processClassifications(for request: VNRequest, error: Error?) {
    DispatchQueue.main.async {
        guard let results = request.results else {
            return
        }
        let classifications = results as! [VNClassificationObservation]

        if classifications.first!.confidence > 0.9 {
            print("> 0.9 confidence that request is a \(classifications.first!.identifier)")
        }

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let request = VNCoreMLRequest(model: model) { (request, error) in
            self.processClassifications(for: request, error: error)
        }