Writing a test class

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import XCTest
@testable import PersonApp

class PersonTests: XCTestCase {

func test_completeName() { let person = Person(firstName: “Josh”, lastName: “Brown”) XCTAssertEqual(person.completeName(), “Josh Brown”) }

}

Now let’s discuss what’s going on here. The import XCTest line will allow us to extend XCTestCase and use XCTAssertEqual (among other assertions). Extending XCTestCase and prefixing our test name with test will ensure that Xcode automatically runs this test when running the tests in the project (⌘U or Product > Test). The @testable import PersonApp line will import our PersonApp target so we can test and use classes from it, such as the Person in our example above. And finally, our XCTAssertEqual will ensure that person.completeName() is equal to the string "Josh Brown".

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Unit Testing with XCTest:
* Writing a test class

Table Of Contents
12 UIView
15 UIColor
26 UIImage
28 CALayer
30 NSDate
40 iBeacon
49 NSTimer
79 NSURL
87 AWS SDK
95 Unit Testing with XCTest
96 NSData
101 Segues
104 EventKit
105 NSBundle
106 SiriKit
111 StoreKit
117 3D Touch
119 Keychain
122 Block
141 AirDrop
144 UISlider
145 Carthage
146 HealthKit
151 plist
157 MVVM
164 UIPhoenix
166 Simulator
168 NSArray
169 OpenGL
175 Core Data
179 MyLayout
180 UIFont
189 Security
200 Codable