ISTQB Foundation Level | 4.2.4 State Transition Testing | State Transition Diagram | ISTQB Tutorials

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This tutorial will drive individuals about the understanding on Chapter 4 | 4.2.5 Categories of Test Design Techniques of ISTQB Foundation Certification.
This series of tutorial is will help individuals to prepare for ISTQB Foundation exam 2018. This series consists of ISTQB Syllabus discussion, understanding, tips, tricks and time management about the exam by Neeraj Kumar Singh.
Each session will be broken into simple topics and explained with help of supporting material. Upon completion of a topic a set of sample questions will be discussed to understand the pattern of the exam.
The topics covered in this tutorial are -
Test techniques,
Test design techniques,
Black box techniques,
White box techniques,
Structure techniques,
Experience based techniques,
How to minimize test cases,
How to select test techniques,
istqb foundation syllabus 2018,
Official Website : www.istqb.org
You can visit this official website of ISTQB for downloading the syllabus, sample paper, exam structure, etc.
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9 июн 2024

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Комментарии : 44

@DesilLifeFlixopolis 11 месяцев назад

Thank you so much for your guidance and showing us such an easy way to understand these test techniques.. I PASSED the ISTQB Foundation Level Exam this morning, and I owe it to your videos. 😍😍😍

@TMSQUARETECH 11 месяцев назад

Congratulations on the success. Thanks for sharing your results and feedback. Wishing you all the very best in all your future endeavors.

@abhishekmakam6699 10 месяцев назад

Congrats! could you please share the type of questions you got from chapters 4 and 5?

@DesilLifeFlixopolis 10 месяцев назад

@@abhishekmakam6699 Applications of the various tools at each phase of a project.. And problems for equivalence & statement coverage.. These were the main from 4 and 5..

@seyiogunnubi7574 3 года назад

Hello Neeraj, any video coming up on Switch Coverage? Are questions asked on Switch Coverage? Please advise

@vprashant83 4 года назад

@Neeraj sir, can you please increase the picture frame quality of your future videos up to 720p or 1080p as content of the question paper would be increased? Regards

@madhushanfernando2131 4 года назад

Thank you sir

@TMSQUARETECH 4 года назад

Congrat Madhu. All the Best for your future..

@duleep_paranamanne 11 месяцев назад

Thank you. Very useful

@TMSQUARETECH 11 месяцев назад

Glad it was helpful!

@anonimanonim2430 2 года назад

In 3:50 why don't we have transistions from ICE to VAPOR and vice versa and why they are invalid? I mean there are such processes as sublimation and deposition, correct?

@TMSQUARETECH 2 года назад

Exactly true, you can always have it. but that's your requirement. So the diagram is drawn based on a requirement given. You can have a scenario where closed request can be re-opened and other product says once closed raise a new request.

@MrAhmedhawary 3 года назад

good job

@TMSQUARETECH 3 года назад

Thank you! Cheers!

@saimurugeshwari8151 2 года назад

Fault to on,if the switch is fault we can make it repair after that will do on,during that time fault to on is also a possible scenario, please explain sir

@cjam2014 4 года назад

Is there a short cut to calculate the number of invalid transitions, instead of forming a table? @TM Square Technology Solutions

@TMSQUARETECH 4 года назад

Yeah!! You can do so by counting pair of transitions between states - No of valid transitions. Consider my given example of water, there 3 states. no of possible transitions are 6 (considering pairs of transition between any two states) and there are only 4 valid transitions. Here, 6-4 = 2 which is count of invalid transitions.

@himmelsdemon 3 года назад

For the answer to make sense, you should know that the number of all possible transitions between n states is n*(n-1). So in the example with 3 states, 3*(3-1)=3*2=6.

@SAIDEEPDICHOLKAR 3 года назад

@@himmelsdemon Well in the case of 2nd example, this formula won't be applicable. If you notice the self transition (Fault to Fault / S3 to S3) is not considered in this formula. So, better to consider the states provided in diagram.

@abhijitpandit8396 3 года назад

what is guard condition?

@TMSQUARETECH 3 года назад

Hi Abhijit A guard condition is written within square brackets next to the flow. Control flows in exactly one direction from a decision node, and only follows a flow if the guard condition is true. The guard conditions associated with a decision node must be mutually exclusive, to avoid nondeterministic behavior. But this not covered in any of the ISTQB Certification. Please ignore.

@dimplesingla4220 2 года назад

Hi Neeraj, Please help to find its answer You are testing an e-commerce transaction that has the following states and transitions: 1. Login (invalid) > Login 2. Login > Search 3. Search > Search 4. Search > Shopping Cart 5. Shopping Cart > Search 6. Shopping Cart > Checkout 7. Checkout > Search 8. Checkout > Logout For a state transition diagram, how many transitions should be shown? a. 4 b. 6 c. 8 d. 16

@TMSQUARETECH 2 года назад

Out of syllabus

@diptisingh8669 3 месяца назад

Hello Neeraj , You are applying state transition testing to the hotel room reservation system modeled by the following state transition table, with 4 states and 5 different events: Events State Available NotAvailable ChangeRoom Cancel Pay S1: Requesting S2 S3 S2: Confirmed S1 S4 S4 S 3: Waiting list S2 S4 S4: End Assuming all test cases start in the ‘Requesting’ state, which of the following test cases, represented as sequences of events, achieves the highest valid transitions coverage? a) NotAvailable, Available, ChangeRoom, NotAvailable, Cancel b) Available, ChangeRoom, NotAvailable, Available, Pay c) Available, ChangeRoom, Available, ChangeRoom, NotAvailable d) NotAvailable, Cancel, ChangeRoom, Available, Pay Select ONE option I didn't understand this question. Could you please help me in this.

@TMSQUARETECH 2 месяца назад

Hi Dipti Let's make this simple. The table must be clear that there multiple states a request (Requesting, Confirmed, etc) can go to based on different statuses(available, Not available, etc) The ask here is which of the following covers highest number of transitions. For the answer explanation I will make a separate video. But for now the answer is A as it covers the most transitions.

@Onikepo Год назад

Hello what’s the 4th valid case in the state transitioning . S1-s2 S2-s1 S2-s3

@TMSQUARETECH Год назад

S3 to S3. The loop

@meenarathi5768 Год назад

Hello! An employee's bonus is to be calculated. It cannot be negative, but it can be calculated down to zero. The bonus is based on the length of employment: less than or equal to 2 years more than 2 years but less than 5 years 5 to 10 years inclusively longer than 10 years What is the minimum number of test cases required to cover all valid equivalence partitions for calculating the bonus? a)3 b)5 c)2 d)4 Select ONE option. The answer is D.

@TMSQUARETECH Год назад

Yes the answer is D. 4 partitions thus 4 tests

@ihtshammir3733 4 месяца назад

Sir how S2- S3 is valid state in example given that we just have 1 missing transition there?

@TMSQUARETECH 4 месяца назад

exactly! the missing one is called as invalid. the one which is represented are valid so S2-S3 is valid

@GlobalEdGuide 4 месяца назад

Thanks sir. I got it.

@myWayIn619 3 года назад

jajaja made me doubt for a min XD

@myWayIn619 4 года назад

We need more complex examples

@TMSQUARETECH 4 года назад

Hi Frank, I understand your request and yes there are more complex examples. But to add to the same these complex examples are not covered as part of foundation level and are covered in advance level test analyst. I do have a ongoing tutorial series on test analyst you can follow that for more complex examples of state transition testing.

@maheshjakka7371 3 года назад

Hi Sir, I am requesting you to please tell me the answer for below question with explanation. Thanks in advance Given the following State Table: A B C D E F SS S1 S1 S2 S2 S3 S1 S3 ES S3 ES Which of the following represents an INVALID state transition? A E from State S2. B E from State S3. C B from State S1. D F from State S3.

@TMSQUARETECH 3 года назад

Hi Mahesh Can't help you on this without the State diagram if you have the diagram please share a mail to me. Will help

@maheshjakka7371 3 года назад

@@TMSQUARETECH Hi Sir, In one of the sample paper they didn't mentioned state diagram for this question. Is there any chance to get this type of question without diagram in exam, please let me know. Thanks in advance

@NareshReddyP Год назад

Yes question in istqb mock paper

@user-uu3us9ys4q 4 года назад

it is possible to have ice-gas transition actually

@TMSQUARETECH 4 года назад

So true!! But here we are trying to understand the technique so used a simple way of explanation. Well, istqb provides you with the diagram and we have to just follow the diagram and get the answer. They sometime try to give partial diagrams and thats a trick to apply the technique wisely.