One Way vs Two way Binding | Angular Interview Questionns

Chapter 23 Code Coverage | Angular | Jasmine | Karma Unit | Testing

Angular 9 Custom Attribute Directive

Chapter 22 Lazy Loading Routes | Angular | Jasmine | Karma | Unit Testing

Chapter 14.1 Pipes With Parameters | Unit Test | Angular | Jasmine | Karma

Chapter - 20 Marble Testing Part - II | Angular | Jasmine | Karma | Unit...

Chapter 20 Marble Testing | Angular | Jasmine | Karma | Unit Testing

Chapter 19 HttpClient | Unit Test | Jasmine | Karma | Angular

Chapter 18 Template Driven Form | Unit Form | Angular | Jasmine | Karma

chapter 17 Reactive Form | Unit Test | Jasmine | Karma

Chapter 16 Input Output | Angular Unit Testing | Jasmine | Karma

Chapter 16 Input Output | Angular Unit Testing | Jasmine | Karma

chapter 15 - CreateSpy | createSpyObj | spyOn | Angular | unit test

chapter 15 - CreateSpy | createSpyObj | spyOn | Angular | unit test

Chapter 14 Pipes | Unit Test | Angular |

Chapter 13 Testing Directive | Unit Test | Angular | Jasmine | Karma

Chapter-12 Testing Dependency Injection | Unit Test | Angular

Chapter 11 Async Test part-II - fakeAsync

Chapter 11 Async Test part-II - fakeAsync

Chapter - 11 Async Test

Chapter-10 Debugelement & DOM events

Debugelement is an interface created to work safely across different platforms.
Debugelement creates DebugElement tree that wraps the native elements for platforms, instead of HTML element tree.
The DebugElement associated with the root element of the component.
Debugelement comes with methods and properties that are useful for testing.
nativeElement property returns us platform specific object.
triggerEventHandler will help us to execute the DOM events

Chapter 9 Change Detection For Unit Testing

Chapter-8 Angular Jasmine SpyOn

• Jasmine Spies help  us to mock the execution of the method /  function.
• It’s a easy way to check a method was called or not, without leaving Subject Under Test(SUT).
• We can chain the spyOn method to get dummy return value using .and.returnvalue()
• spyOn can call the original function using .and.callThrough().