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private func addConstraints() {
  // label constraints
  textLabel.topAnchor.constraint(equalTo: view.topAnchor, constant:   50).isActive = true
  textLabel.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 8).isActive = true
  textLabel.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -8).isActive = true
  textLabel.heightAnchor.constraint(equalToConstant: 30).isActive = true
  // button constraints
  showButton.topAnchor.constraint(equalTo: textLabel.bottomAnchor, constant: 16).isActive = true
  showButton.centerXAnchor.constraint(equalTo: view.centerXAnchor).isActive = true
  showButton.widthAnchor.constraint(equalToConstant: 100).isActive = true

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//
//  SecondViewController.swift
//  tutorial_closures
//
//  Created by Dava on 5/6/17.
//  Copyright © 2017 Davaur. All rights reserved.
//

import UIKit

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    fileprivate var textLabel: UILabel = {
        
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.textColor = .black
        label.textAlignment = .center
        label.numberOfLines = 0
        label.text = "My Label"
        
        return label

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//
//  CoreDataStack.swift
//  altran_challenge
//
//  Created by Dava on 7/7/17.
//
//

import Foundation
import CoreData

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protocol LocationServiceType {
    func currentAddress(completion: @escaping (MKPlacemark?) -> ())
    func addressFor(postalCode: String, completion: @escaping (MKPlacemark?) -> ())
}

protocol ApiClientType {
    func get(url: URL, completion: @escaping ([NSDictionary]?) -> ())
}

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typealias AddressCompletion = (String) -> ()

struct MainViewModel {
    
    private let locationServiceType: LocationServiceType
    private let apiClientType: ApiClientType
    private let addressCompletion: AddressCompletion
    
    init(locationServiceType: LocationServiceType, apiClientType: ApiClientType, addressCompletion: @escaping AddressCompletion) {
        self.locationServiceType = locationServiceType

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class MainView: UIViewController, UITextFieldDelegate, UITableViewDataSource {

    @IBOutlet weak var topView: UIView!
    @IBOutlet weak var addressLabel: UILabel!
    @IBOutlet weak var searchText: UITextField!
    @IBOutlet weak var searchButton: UIButton!
    @IBOutlet weak var tableView: UITableView!
    @IBOutlet weak var searchStackView: UIStackView!
    private var viewModel: MainViewModel!
    

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let stubService: LocationServiceType & ApiClientType = ServiceStub()

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class MainViewModelTests: XCTestCase {
    
    let stubService: LocationServiceType & ApiClientType = ServiceStub()

    func testUpdateCurrentAddress() {
        let viewModel = MainViewModel(locationServiceType: stubService, apiClientType: stubService, addressCompletion: { address in
            expect(address).to(equal(DummyData.fullAddress))
        })
        
        viewModel.updateCurrentAddress()

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    func testFetchJobsAroundPostalCode() {
        let viewModel = MainViewModel(locationServiceType: stubService, apiClientType: stubService, addressCompletion: { address in
            expect(address).to(equal(DummyData.Location.fullAddress))
        })
        
        viewModel.fetchJobsAround(postalCode: DummyData.Location.postalCode) { (response) in
            let responseTitle = response!.first!["title"] as! String
            expect(responseTitle).to(equal(DummyData.Api.response["title"]))
        }
    }