Introduction

What is Unit Test A test of a single "unit" of a code.

Good Unit Test

• Fast
• Cheap to Write
• Single State Change
• Assert 1 Thing
• Doesn't Cross Process Boundaries
• Reliable

AAA

• Arrange
• Act
• Search

A good test can have some duplication code, That tells the story

JASMINE

• describe()
• beforeEach()
• it()
• expect()
• Matchers
  • toBe()
  • toContain()
  • toBeDefined()

There are two type of unit test in angular 2 ( Isolated, Integrated)