2.2.1 Test Levels

Question 1

Component testing (unit testing) focuses on …

Answer 1

testing components in isolation.

Question 2

Component testing often requires specific support such as “ “ or “ “.

Answer 2

test harnesses

unit test framework

Question 3

Component testing is normally performed … in their …

Answer 3

by developers

development environments.

Question 4

Component integration testing (unit integration testing) focuses on testing the “ “ and “ “ between “ “.

Answer 4

interfaces
interactions
components.

Question 5

Component integration testing is heavily dependent on the “ “ like:
- bo…
- to…
- bi…

Answer 5

integration strategy

• bottom-up
• top-down
• big-bang.

Question 6

System testing focuses on the “ o… “ and capabilities of … often including functional testing of … and the non-functional testing of …

Answer 6

overall behavior

an entire system or product,

end-to-end tasks

quality characteristics.

Question 7

For some non-functional quality characteristics, it’s preferable to test them on a “ “ in a representative “ “ (e.g. “ “).

Answer 7

complete system

test environment

usability

Question 8

Using simulations of …

Answer 8

sub-systems is also possible.

Question 9

System testing may be performed by … and is related to s…

Answer 9

an independent test team,
specifications for the system.

Question 10

System integration testing focuses on testing the … and other s…

Answer 10

interfaces of the system under test

systems and external services.

Question 11

System integration testing requires s… preferably similar to the …

Answer 11

suitable test environments

operational environment.

Question 12

Acceptance testing focuses on “ “ and on demonstrating r… which means that the “ “ fulfills the u…

Answer 12

validation

readiness for deployment,

system

user’s business needs.

Question 13

Ideally, acceptance testing should be performed …

Answer 13

by the intended users.

Question 14

The main forms of acceptance testing are:
- use…
- ope…
- con…
- reg…
- al…
- be…

Answer 14

• user acceptance testing (UAT)
• operational acceptance testing
• contractual acceptance testing
• regulatory acceptance testing
• alpha testing
• beta testing

Question 15

Test levels are distinguished by the following non-exhaustive list of attributes, to avoid overlapping of test activities:
- test o..
- test obj…
- test b…
- de.. and “ “
- ap… and “ “

Answer 15

• Test object
• test objectives
• test basis
• defects and failures
• approach and responsibilities