.. Continuing the Beginners Guide to Software Testing series

1. On which basis we give priority and severity for a bug and give one example for high priority and low severity and high severity and low priority?
Always the priority is given by team leader or Business Analyst. Severity is given by the reporter of bug. For example, High severity: hardware bugs application crash. Low severity: User interface bugs. High priority: Error message is not coming on time, calculation bugs etc. Low priority: Wrong alignment, etc
2. What do you mean by reproducing the bug? If the bug was not reproducible, what is the next step?
If you find a defect, for example click the button and the corresponding action didn’t happen, it is a bug. If the developer is unable to find this behaviour he will ask us to reproduce the bug. In another scenario, if the client complaints a defect in the production we will have to reproduce it in test environment.
If the bug was not reproducible by developer, then bug is assigned back to reporter or goto meeting or informal meeting (like walkthrough) is arranged in order to reproduce the bug. Sometimes the bugs are inconsistent, so that that case we can mark the bugs as inconsistent and temporarily close the bug with status working fine now.
3. What is the responsibility of a tester when a bug which may arrive at the time of testing. Explain?
First check the status of the bug, then check whether the bug is valid or not then forward the same bug to the team leader and then after confirmation forward it to the concern developer.
If we cannot reproduce it, it is not reproducible in which case we will do further testing around it and if we cannot see it we will close it, and just hope it would never come back ever again.
4. How can we design the test cases from requirements? Do the requirements, represent exact functionality of AUT?
Ofcourse, requirements should represents exact functionality of AUT.
First of all you have to analyze the requirements very thoroughly in terms of functionality. Then we have to think about suitable test case design technique [Black Box design techniques like Specification based test cases, functional test cases, Equivalence Class Partitioning (ECP), Boundary Valve Analysis (BVA), Error guessing and Cause Effect Graphing] for writing the test cases.
By these concepts you should design a test case, which should have the capability of finding the absence of defects.
Read: Art of Test case writing
5. How to launch the test cases in Quality Centre (Test Director) and where it is saved?You create the test cases in the test plan tab and link them to the requirements in the requirement tab. Once the test cases are ready we change the status to ready and go to the “Test Lab” Tab and create a test set and add the test cases to the test set and you can run from there.
For automation, in test plan, create a new automated test and launch the tool and create the script and save it and you can run from the test lab the same way as you did for the manual test cases.
The test cases are sorted in test plan tab or more precisely in the test director, lets say quality centers database. test director is now referred to as quality center.
6. How is traceability of bug follow?
The traceability of bug can be followed in so many ways.
1. Mapping the functional requirement scenarios(FS Doc) – test cases (ID) – Failed test cases(Bugs)
2. Mapping between requirements(RS Doc) – Test case (ID) – Failed test cases.
3. mapping between test plan (TP Doc) – test case (ID) – failed test cases.
4. Mapping between business requirements (BR Doc) – test cases (ID) – Failed test cases.
5. Mapping between high level design(Design Doc) – test cases (ID) – Failed test cases.
Usually the traceability matrix is mapping between the requirements, client requirements, function specification, test plan and test cases.
7. What is the difference between use case, test case, test plan?
Use Case: It is prepared by Business analyst in the Functional Requirement Specification(FRS), which are nothing but a steps which are given by the customer.
Test cases: It is prepared by test engineer based on the use cases from FRS to check the functionality of an application thoroughly
Test Plan: Team lead prepares test plan, in it he represents the scope of the test, what to test and what not to test, scheduling, what to test using automation etc.
Related Topics:
Mercury Quality Center Interview Questions

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