Angular: Use updateValueAndValidity() to Validate Your Forms Programmatically Sometimes you have to take matters into your own hands. Even when it comes to validating forms in your Angular app.
Spring Boot: How to Test the Web Layer with MockMvc Automated unit tests will save you from a world of heartache. Fortunately, you can easily implement Spring Boot web layer tests with MockMvc.
Spring Boot: How to Use @Validated to Validate Form Sections in Wizards You might have a business requirement to validate a form. But that doesn't necessarily mean that you want to validate the whole thing at once.
How to Add an Asynchronous Validator to Your Angular Form When basic form field validation isn't good enough, you might need to check some input against the database. And to handle that task, you'll need to implement an asynchronous validation solution.