From 025d1d40ae8a2d81155538709c64744cabedfb5e Mon Sep 17 00:00:00 2001
From: Graeme Read <graeme@sigma957.net>
Date: Fri, 25 Nov 2016 21:44:34 +0000
Subject: [PATCH] Stub asynchronous REST call

---
 UI Testing.xcodeproj/project.pbxproj | 11 ++++++---
 UI Testing/API.swift                 | 34 ++++++++++++++++++++++++++++
 UI Testing/ViewController.swift      |  9 ++++++--
 3 files changed, 49 insertions(+), 5 deletions(-)
 create mode 100644 UI Testing/API.swift

diff --git a/UI Testing.xcodeproj/project.pbxproj b/UI Testing.xcodeproj/project.pbxproj
index b805326..53092e2 100644
--- a/UI Testing.xcodeproj/project.pbxproj	
+++ b/UI Testing.xcodeproj/project.pbxproj	
@@ -12,6 +12,7 @@
 		AA1E29431DE8E24100B0CC3A /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = AA1E29411DE8E24100B0CC3A /* Main.storyboard */; };
 		AA1E29451DE8E24100B0CC3A /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = AA1E29441DE8E24100B0CC3A /* Assets.xcassets */; };
 		AA1E29481DE8E24100B0CC3A /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = AA1E29461DE8E24100B0CC3A /* LaunchScreen.storyboard */; };
+		AA99E4F31DE8E51900C83A69 /* API.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA99E4F21DE8E51900C83A69 /* API.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -22,6 +23,7 @@
 		AA1E29441DE8E24100B0CC3A /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		AA1E29471DE8E24100B0CC3A /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		AA1E29491DE8E24100B0CC3A /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		AA99E4F21DE8E51900C83A69 /* API.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = API.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -54,12 +56,13 @@
 		AA1E293C1DE8E24100B0CC3A /* UI Testing */ = {
 			isa = PBXGroup;
 			children = (
+				AA99E4F21DE8E51900C83A69 /* API.swift */,
 				AA1E293D1DE8E24100B0CC3A /* AppDelegate.swift */,
-				AA1E293F1DE8E24100B0CC3A /* ViewController.swift */,
-				AA1E29411DE8E24100B0CC3A /* Main.storyboard */,
 				AA1E29441DE8E24100B0CC3A /* Assets.xcassets */,
-				AA1E29461DE8E24100B0CC3A /* LaunchScreen.storyboard */,
 				AA1E29491DE8E24100B0CC3A /* Info.plist */,
+				AA1E29461DE8E24100B0CC3A /* LaunchScreen.storyboard */,
+				AA1E29411DE8E24100B0CC3A /* Main.storyboard */,
+				AA1E293F1DE8E24100B0CC3A /* ViewController.swift */,
 			);
 			path = "UI Testing";
 			sourceTree = "<group>";
@@ -138,6 +141,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				AA1E29401DE8E24100B0CC3A /* ViewController.swift in Sources */,
+				AA99E4F31DE8E51900C83A69 /* API.swift in Sources */,
 				AA1E293E1DE8E24100B0CC3A /* AppDelegate.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -302,6 +306,7 @@
 				AA1E294E1DE8E24100B0CC3A /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
 	};
diff --git a/UI Testing/API.swift b/UI Testing/API.swift
new file mode 100644
index 0000000..9cbcd3a
--- /dev/null
+++ b/UI Testing/API.swift	
@@ -0,0 +1,34 @@
+//
+//  API.swift
+//  UI Testing
+//
+//  Created by Graeme Read on 25/11/2016.
+//  Copyright © 2016 Graeme Read. All rights reserved.
+//
+
+import Foundation
+
+
+struct API {
+    
+    // MARK: - Structs
+    struct Constants {
+        static let delay = 4
+    }
+    
+    
+    // MARK: - Instance methods
+    func retrieveData(completion: @escaping (String) -> Void) {
+        delay(Constants.delay) {
+            completion("Hello World")
+        }
+    }
+    
+    
+    // MARK: - Private methods
+    private func delay(_ delay: Int, block: @escaping () -> Void) {
+        let delay = DispatchTime.now() + Double(Int64(UInt64(delay) * NSEC_PER_SEC)) / Double(NSEC_PER_SEC)
+        DispatchQueue.main.asyncAfter(deadline: delay, execute: block)
+    }
+    
+}
diff --git a/UI Testing/ViewController.swift b/UI Testing/ViewController.swift
index cdd120d..37df6b8 100644
--- a/UI Testing/ViewController.swift	
+++ b/UI Testing/ViewController.swift	
@@ -14,6 +14,7 @@ class ViewController: UIViewController {
     // MARK: - Properties
     @IBOutlet private weak var label: UILabel!
     @IBOutlet private weak var spinner: UIActivityIndicatorView!
+    private let api = API()
     
     
     // MARK: - UIViewController
@@ -25,8 +26,12 @@ class ViewController: UIViewController {
     // MARK: - IBActions
     @IBAction
     private func doSomething() {
-        label.text = "Hello world"
+        spinner.startAnimating()
+        api.retrieveData { [weak self] text in
+            self?.label.text = text
+            
+            self?.spinner.stopAnimating()
+        }
     }
     
-    
 }