Software Engineering: Testing

Question 1

Test Case

Answer 1

Evaluates a single explicit behaviour in a program

Question 2

Test Suite

Answer 2

Grouped Test Cases

Question 3

White box testing

Answer 3

Developing tests based on the code

usually written by developers who have access to the code

Question 4

Black box testing

Answer 4

Deleping tests based on the specifications and api signitures

usually written by stakeholders who do not have direct access to the code

Question 5

Test cases should:

Answer 5

Be Fast
Be Reliable
Isolate defects
simulate users

Question 6

Different kinds to tests?

Answer 6

Unit tests
integration tests
System tests
Acceptance tests

Question 7

TDD process Red, Green, Refactor

Answer 7

1. Implementation that Fails
2. Implementation that Passes
3. Refactor and Extend

Question 8

Coverage

Answer 8

Measures the perportion of the sytem being tested

Question 9

Two main kinds of coverage

Answer 9

Flow independent

Flow dependent

Question 10

Flow independent coverage

Answer 10

Block
line
statement

Question 11

Flow dependent coverage

Answer 11

Branch
Path
MCC

Question 12

Coverage guided testing iteration

Answer 12

1. Identify code
2. Design test case
3. Write and execute test
4. Repeat

Question 13

How many test cases should we write?

Answer 13

Till we have 100% line coverage, then tll we have 100%, branch coverage and then 100% path coverage

Question 14

How to perform white box testing?

Answer 14

Coverage based tesing

Question 15

How to perform black box testing?

Answer 15

Exhausting every possible state of the required inputs

or through input class partitioning and output class partition

Question 16

What is boundery value analysis

Answer 16

Testing with valid and invalid values near the boundaries

Question 17

Four phase test

Answer 17

1. Setup
2. run test
3. assertion
4. teardown