HATEOAS is a way to make your RESTful Web Service endpoint, automatically include links to other Resources of your API, in the response that it sends back to a calling client application. The client application that consumes your web service endpoint, can then use those links, to consume other RESTful Resources that your Web Service…
Read More Add HATEOAS to Spring Boot RESTful Web ServiceIn this blog post, I am going to share with you a way you can assign to your EC2 instance an AWS SES(Simple Email Service) Role. Assigning a new AWS SES Role to an EC2 instance will enable that EC2 instance to execute applications that programmatically consume the AWS SES resources. 1. Create a New…
Read More Assign IAM SES Role to EC2 InstanceIn this tutorial, I am going to share with you how to Unit Test some of the UITextField attributes in Swift. Learning how to Unit Test text field attributes covered in this blog post, should give you a good understanding of how to Uni Test other UITextField attributes. This blog post also contains video lessons.…
Read More Unit Testing Text Fields in SwiftThere are a few different ways to Unit test code that throws an Error in Swift and my preferred way is to use the XCTAssertThrowError and XCTAssertNoThrows. I will also share with you how to use the traditional way of handling an error with the do-try-catch. Error To Be Thrown Let’s assume that we have…
Read More Unit Testing Code That Throws Error in SwiftIn this tutorial, you will learn about different ways of accessing UI elements when writing UI Tests in Xcode. Let’s assume we have this view with a Signup form details on it. This view has 5 UITextFields and a single button. UIElement Groups Below is a list of UI elements groups that you can use…
Read More Accessing UI Elements in Xcode UI TestThere are different ways to load UIViewController in a Unit Test and in this tutorial you will learn three of them. Loading UIViewController from Main.storyboard, Loading UIViewController from XIB, Loading UIViewController that is not on the Main.storyboard and does have an interface XIB file. This is a type of UIViewController that creates views programmatically. Loading…
Read More Ways to Load UIViewController in a Unit TestWhen writing UI Tests for our Swift mobile application, our test method needs to interact with different app UI elements by tapping on a button, swiping scroll view, typing text into a text field and etc. The UI test method is able to perform these different actions and gestures thanks to an XCUIElement class that provides…
Read More XCUIElement Actions and GesturesTest Plans in Xcode allow us to run Unit Tests and UI Tests with different configurations multiple times. It is very convenient and is very quick. Available Configuration Options Each Test Plan can have a different configuration. Launch arguments and Launch environment variables, Language and region, Sanitizers and Main Thread Checker, Simulated location, UI Testing…
Read More Test Plans in XcodeThere are times when we need our UI Test code to pass some information to our mobile app, not by typing it into a Text Field or a Text View but by sending it as a command-line argument or as a launch environment property. To pass a command-line launch argument or an environment key-value pair…
Read More UI Testing. Launch Arguments & Launch EnvironmentBy default, Xcode will automatically create a screenshot of the app if UI Test fails. If needed, we can also create a screenshot programmatically and include it in a Test Report with the help of the XCTAttachment class. In this tutorial, you will learn how to create a screenshot of a specific UI element as well…
Read More XCUIScreenshot – Creating Screenshots in UI TestIn this tutorial, you will learn how to create and present an alert dialog in Swift. An alert dialog in Swift is created using a UIAlertController class. The below Swift code snippets demonstrate how to: Create a new alert message using UIAlertController, How to present an alert dialog to the user, How to add one or more…
Read More How to Show an Alert in SwiftWhen we create a new UI Test Case class, Xcode will create a new Swift class that already contains some structure. The new UI Test Case class will extend the XCTestCase class and will already have a few default methods created. Below is a default template of a new UI Test Case class. UI Test Case Class…
Read More UI Test Case Class Default TemplateWhen writing unit tests, developers try to follow the F.I.R.S.T principle as much as possible. F.I.R.S.T is a combination of multiple principles. Let’s learn what these are. Fast The first letter in the F.I.R.S.T principle stands for – Fast. Unit tests are small pieces of code that perform one, specific task. Because unit tests are…
Read More The F.I.R.S.T. Principle in Unit TestingIn this quick Swift tutorial, I wanted to share how to convert a Data object into String. This is very helpful when you want to print out in Xcode console the response string returned in the body of the HTTP response. This is of course if you know the HTTP response body contains a JSON/text/XML…
Read More Convert Data to String in SwiftThe addTeardownBlock(_:) runs right after the test method ends and before the instance’s tearDownWithError() method is called. Below is an example of a TestCase class that does not test anything and only demonstrates the order in which the setUp() and tearDown() methods are called. When will the addTeardownBlock(_:) run? The addTeardownBlock will run after the test method is…
Read More addTeardownBlock Example in XCTestCase