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While identifying scenario's for the use case ''copy A4 -- A4'' for a new copier, the following scenario's were identified:
Basic scenario: single side to single side
Deviations: single side to double side, copy of a set, copy using the automatic document feeder Failures: no paper in paper tray, paper jam, out of staples
During interviews with both development and end-users it has been established that the failure scenario's can occur during the basic scenario and during each of the deviations.
How many test cases will be needed to achieve full coverage both for valid and invalid situations?
[K3] 2 credits
Suggested Answer: C
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16 comments · newest first
CR
Crista
10 months ago
Definitely need to account for double-sided copies as well.
SE
Sena
10 months ago
I think 16 test cases sounds about right.
ST
Stefany
10 months ago
Wait, are we really considering every failure for each scenario? Seems like overkill.
KA
Karan
10 months ago
20 test cases? That seems excessive, are we sure about that?
MA
Marshall
11 months ago
Looks like we need to cover all those failure scenarios too!
BE
Berry
11 months ago
I think the key here is to recognize that the failure scenarios can occur during any of the scenarios, not just the basic one. So we need to account for that in our test case count. I'd say we need 4 test cases for the basic scenario (single side to single side, single side to double side, copy of a set, and automatic document feeder), and then 3 failure scenarios for each of those, which is an additional 12 test cases. That gives us a total of 16 test cases.
MI
Mitsue
11 months ago
Okay, let's think this through step-by-step. We have the basic scenario, three deviations, and three failure scenarios. So that's 1 + 3 + 3 = 7 scenarios total. And each scenario can have valid and invalid situations, so that's 2 test cases per scenario. 7 scenarios x 2 test cases per scenario = 14 test cases.
SA
Sarina
11 months ago
Hmm, I'm a bit unsure about how to approach this. I know we need to cover all the valid and invalid situations, but I'm not sure if I should be counting the number of test cases or the number of scenarios.
TO
Tonette
12 months ago
This seems like a straightforward test case calculation. I'll start by identifying the basic scenario and the deviations, then consider the failure scenarios for each.
TA
Tamera
12 months ago
If I recall correctly, we had 4 basic scenarios and 3 deviations, plus the failures. I think that might lead us to a total of 16 test cases, but I'm not entirely confident.
HO
Hobert
12 months ago
I’m a bit confused about whether we should count each failure scenario separately for every deviation. It seems like it could add up quickly!
NA
Nan
1 year ago
I think we practiced a similar question where we had to account for both valid and invalid scenarios. It feels like we might need to multiply the basic and deviation cases by the failure scenarios.
KE
Keneth
1 year ago
I remember we discussed how each scenario could lead to different outcomes, but I'm not sure how to calculate the total test cases accurately.
EL
Elfriede
1 year ago
Hmm, I'm a bit unsure about this one. The RAD development approach and risk mitigation are throwing me off. I'll have to think this through carefully.
SH
Sherell
1 year ago
Okay, I've read through the question a few times now. I believe the correct answer is A, since that seems to match the description of what's created automatically.
AZ
Azalee
1 year ago
Okay, I think I know how to approach this. The key is understanding how the Intermediate Routing pattern works and the potential implications for message routing.