Chapter 10 Implementation and Testing

Question 1

Coding Standards

Answer 1

• Coding not only needs to do its job well, but also must be easy to add, maintain, and debug
• A coding standards document tells developers how they must write their code

Question 2

Why do we need coding standards

Answer 2

• Consistent look
• Improve readability
• Simplifies copying, editing, maintenance
• Company wide standardisation

Question 3

Principles of Good Programming

Answer 3

• KISS keep short and simple
• DRY - don’t repeat yourself
• abstraction
• open/close
• single responsibility principle
• minimise coupling
• maximise cohesion

Question 4

Code Smells

Answer 4

• Duplicated code
• Large classes-
• Long methods
• Long parameter list

Question 5

Refactoring

Answer 5

• Improve software internal structure in a safe way while not changing / adding / removing behaviours

Question 6

Software Testing

Answer 6

• Testing is the process of exercising a program with the intent of finding errors
• Each function must be tested to make sure it functions well

Question 7

Types of Testing

Answer 7

Unit Testing
- Testing of an individual program
Integration Testing
- Testing two or more programs that depend on each other to ensure
System Testing
- Verify all system components are integrated properly and actual processing situations will be handled correctly

Question 8

Test Plan

Answer 8

• Used as a guide to test software
• Uses ‘dummy data’ (sample data)
• Prepared by ‘software testers’