1. List the taxonomy of software system testing. 2. Define functional requiremen

Question

1. List the taxonomy of software system testing.

2. Define functional requirements testing.

3. What are the steps involved in functional testing?

4. What is Pairwise Testing?

5. Define non-functional requirements testing.

6. Provide examples of non-functional requirements testing.

7. What are the typical aspects of acceptance testing?

8. What are the characteristics of Testable Requirements?

9. Create four test cases to test the functionality of the “Sign On” button.

a. username should be alphabets.

b. password must be at least 8 characters long with a mix of alphabets, numbers, and special characters.

10. List five non-functional tests to the “Sign On” button.

Sign On to View Your Accounts Enter your username and password to securely view and manage your Wells Fargo accounts online. Sign on to Account Summary V Username Password Save username Username/Password He Don't have a username and password? Sign Up Now Sign On

Explanation / Answer

1)

While evaluating the test programs of numerous defense contractors, we have often observed that they are quite incomplete. For example, they typically fail to address all the relevant types of testing that should be used to (1) uncover defects (2) provide evidence concerning the quality and maturity of the system or software under test, and (3) demonstrate the readiness of the system or software for acceptance and being placed into operation. Instead, many test programs only address a relatively small subset of the total number of potentially relevant types of testing, such as unit testing, integration testing, system testing, and acceptance testing. In some cases, the missing testing types are actually performed (to some extent) but not addressed in test-related planning documents, such as test strategies, system and software test plans (STPs), and the testing sections of systems engineering management plans (SEMPs) and software development plans (SDP).

There are more than 200 different types of testing, and many stakeholders in testing--including the testers themselves and test managers--are often largely unaware of them or do not know how to perform them. Similarly, test planning frequently overlooks important types of testing. The primary goal of this series of blog posts is to raise awareness of the large number of test types, to verify adequate completeness of test planning, and to better guide the testing process.

2)

functional requirements will specify a behaviour or function, for example:
“Display the name, total size, available space and format of a flash drive connected to the USB port.” Other examples are “add customer” and “print invoice”.

Some of the more typical functional requirements include:

3)

Functional testing is a quality assurance (QA) process and a type of black-box testing that bases its test cases on the specifications of the software component under test. Functions are tested by feeding them input and examining the output, and internal program structure is rarely considered (unlike white-box testing). Functional testing usually describes what the system does.

Functional testing typically involves six steps

4)

In computer science, all-pairs testing or pairwise testing is a combinatorial method of software testing that, for each pair of input parameters to a system (typically, a software algorithm), tests all possible discrete combinations of those parameters.

Assume we have a piece of software to be tested which has got 10 input fields and 10 possible settings for each input field, then there are 10^10 possible inputs to be tested. In this case, exhaustive testing in impossible even if we wish to test all combinations.

Now, we can still reduce the combination further into All-pairs technique.

Step 1: Order the values such that one with most number of values is the first and the least is placed as the last variable.

Step 2: Now start filling the table column by column. List box can take 2 values.

Step 3: The Next column under discussion would be check box. Again Check box can take 2 values.

Step 4: Now we need to ensure that we cover all combinations between list box and Check box.

Step 5: Now we will use the same strategy for checking the Radio Button. It can take 2 values.

Step 6: Verify if all the pair values are covered.

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