JUnit

Question 1

What does a Unit refer to?

Answer 1

The smallest testable subset of an application. In most languages that’s functions or methods.

Question 2

What are some annotations?

Answer 2

• Test - Denotes a method as a test.
• Before - Runs before every test.
• BeforeClass - Runs once before the class is run.
• After - Runs after each test.
• AfterClass - Runs once after the tests are done.
• Ignore - ignore a test temporarily

Question 3

What are the types of assert methods?

Answer 3

• assertTrue
• assertEquals
• assertFalse
• assertSame
• assertNotSame
• assertNull
• assertNotNull
• assertArrayEquals
• assertThat

Question 4

What are some of the different types of testing?

Answer 4

• Unit Testing
  
  • Make sure methods/functions are working properly.
  • Not meant to catch bugs
• Regression Testing
  
  • New features don’t break old ones
  • BDD - behavior driven
• Integration Testing
  
  • Make sure new code is compatible with the existing
    code base
  • Complete system testing
• Stress Testing
  
  • Make sure you application can perform well with
    large loads of traffic or large calculations.
• Acceptance Testing
  
  • Make sure end users like the new state of the
    application.
  • Easy to understand
• Compliance
  
  • Laws