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A unit test should be isolated Which option correctly describes the meaning of 'isolated' as a characteristic of a unit test?
SELECT ONE OPTION
Whenever it is run under the same conditions, it should produce the same results.
Suggested Answer: C
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The term 'isolated' as a characteristic of a unit test means that it should test only the code for which it was originally written. This ensures that the unit test is focused, minimizes dependencies on other parts of the codebase, and errors can be traced back to specific units without ambiguity .
28 comments · newest first
FR
Frederic
6 months ago
Immediate feedback is nice, but not the main point here.
BE
Bettyann
7 months ago
Option C sounds good too. It emphasizes original intent.
EL
Elza
7 months ago
I agree, A makes sense. Isolated means testing one thing only.
KE
Keshia
7 months ago
I think option A is the best choice. It focuses on specific functionality.
TR
Tresa
8 months ago
B seems important too, but I guess isolation is the priority.
LA
Lavera
8 months ago
Wait, is it really just about testing related functionality?
MA
Matthew
8 months ago
I thought it was more about consistent results, not just functionality.
RE
Reita
8 months ago
Totally agree, isolation is key!
LE
Leana
8 months ago
A) It should only test the functionality related to it.
LE
Lenna
8 months ago
Haha, I bet the developers who write these tests have to be really careful not to let their coffee spill on the keyboard!
SH
Shayne
9 months ago
C) It should test only the code for which it was originally written. This is the key to isolation.
MI
Milly
9 months ago
That's right, a unit test should be focused on testing a specific, isolated piece of functionality.
PA
Paulina
9 months ago
A) It should only test the functionality related to it.
DE
Deeann
9 months ago
I thought isolation meant that a test should only focus on the code it was written for, which sounds like option C. But now I'm second-guessing myself.
EL
Elinore
9 months ago
I practiced a similar question where isolation was emphasized, and I think it was about testing specific functionalities. So, I would lean towards option A as well.
GR
Grover
9 months ago
I'm a bit unsure about this one. I feel like all the options touch on aspects of unit testing, but I think A is the most relevant to isolation.
CL
Clement
10 months ago
I remember discussing how isolation in unit tests means they shouldn't depend on other tests or external systems. So, I think option A makes sense.
EV
Eveline
10 months ago
I'm pretty sure 'isolated' means the test should be self-contained and not rely on any external factors. So it should consistently produce the same results when run under the same conditions. I think option A is the way to go.
TO
Tonette
10 months ago
Okay, I've got this. 'Isolated' means the unit test is only testing the code it was written for, and not any dependencies or other parts of the system. So option A is the correct answer here.
OR
Orville
10 months ago
Exactly, isolation is about testing one functionality at a time.
FE
Felice
10 months ago
But C feels too narrow. A covers more ground.
NI
Nikita
11 months ago
Hmm, I'm a bit confused on this one. I know a unit test should be isolated, but I'm not sure if that means it has to produce the same results every time, or if it just needs to focus on a specific piece of code. I'll have to think this through a bit more.
KI
Kiera
11 months ago
I think the key here is that the unit test should only be testing the specific functionality it was designed for, and not any other parts of the system. That's what 'isolated' means in this context.
GI
Gianna
6 months ago
Isolation ensures reliability in testing.
RU
Rueben
6 months ago
Right! It shouldn't interfere with other parts.
RA
Raylene
6 months ago
So, option A makes the most sense here.
JO
Jolene
6 months ago
Exactly! Isolation is key for accurate results.
TA
Tamra
6 months ago
I agree, it should focus on its specific functionality.