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 …

Answer 4

interfaces and interactions between 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 “ “ 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 … preferably similar …

Answer 11

suitable test environments

to the operational environment.

Question 12

Acceptance testing focuses on … and on demonstrating r… which means that the s…

Answer 12

validation

readiness for deployment,

system fulfills the 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:
- u…
- o…
- c…
- r…
- a…
- b…

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..
- ap…

Answer 15

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