2.2.1 Test Levels

Question 1

Component testing (unit testing) focuses on testing c…

Answer 1

components in isolation.

Question 2

Component testing often requires specific support such as t… or u…

Answer 2

test harnesses
unit test framework.

Question 3

Component testing is normally performed by “ “ in their d…

Answer 3

by developers
development environments.

Question 4

Component integration testing (unit integration testing) focuses on testing the “in…” and “ “ between “c…”.

Answer 4

interfaces
interactions
components

Question 5

Component integration testing is heavily dependent on the in… 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 an entire s… often including functional testing of e… and the non-functional testing of q…

Answer 6

overall behavior
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 c… in a representative t… (e.g. “ “).

Answer 7

complete system
test environment
usability

Question 8

Using simulations of s… is also “ “.

Answer 8

sub-systems
possible

Question 9

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

Answer 9

independent test team,
specifications for the system.

Question 10

System integration testing focuses on testing the “ “ of the s… and other “ “ and e…

Answer 10

interfaces
system under test
systems
external services.

Question 11

System integration testing requires s… preferably similar to the o…

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 by the i…

Answer 13

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