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What is exactly PAT, When we will do the pre acceptance testing?
I don't think it's a widely-used term or part of a standard. Therefore, what exactly it means is organization-specific and should be defined in a glossary somewhere. More likely though you'll just have to ask people what it means.
Any testing done before acceptance testing.
This would include:
Unit tests
Stress tests
Integration tests
Performance tests
There's no standardised meaning for the term - often it depends on your process- be it Agile or Extreme Programming etc.
Generally however, there are a number of tests done by developers or testing in a developer test environment. This can be unit tests, developer tests, sanity regression tests, performance tests - ie tests that the QA team wants done before they'll even look at it. At a bare minimum, it might be just testing that the software builds (although it's frightening how often I've had a developer fail to even check this).
Well I would like to share something which everyone may not agree to but this is what I feel Pre-Acceptance testing would be:
The testing done to perform that the system under test functions as per the designed requirements to cover the customer's business areas before entering the User Acceptance Test phase where users from the customer's side are invited to perform the testing at the vendor's location where development team assistance is available when any flaw occurs in the expected business flow. This will be called as Alpha Test. Please feel free to correct me if I have said something wrong.
Acceptance testing is a testing technique performed to determine whether or not the software system has met the requirement specifications. In SDLC, acceptance testing fit as follows:
Requirement Analysis - Acceptance Testing
High Level Design - System Testing
Low Level Design - Integration Testing
Coding - Unit Testing
Simply put, PAT is any test done before acceptance testing. There are various forms of acceptance testing such as User acceptance testing, business acceptance testing, alpha testing and beta testing.
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In the context of Agile software development, what's the difference between User Acceptance Test (UAT), Test Case Scenario and Functional Test?
The members of the team I am part of, they consider the three things as different, but I see them as exactly the same thing.
In fact, all of them are designed having the end user in mind
There's a lot of different sorts of testing. Many of them overlap. Many use the same tools. Many are specializations of other more general terms. Often they blur together. People argue about the terminology all the time.
You're correct that they all have the end user in mind, but they are different.
User Acceptance Test
This is a specific form of an acceptance test where a subject-matter expert, ideally the client or their representative, tests the software. This is in addition to functional and acceptance testing done by QA. It's designed to simulate, as closely as possible, an actual end-user using the software; the tester is asked to perform a bunch of common tasks with the new system, but not given specific instructions nor coaching on how to do it.
For example, if you were creating a site for an airline, they might be asked to register, login, book a flight, make a payment, check in, check their flight status, and so on.
Functional Test
This is blackbox testing done by the QA role. It verifies the thing does what it's supposed to do; you give it inputs, you check the outputs. Typically this is testing against the specification and/or requirements document.
"Functional" here doesn't refer to code functions, but that the system functions as expected. Testing specific functions is unit testing.
They can be purely functional, "when I do X I get Y". They can be about resource use, "when I do X it uses no more than Y memory/time". Or about error checking, "when I give it garbage I get a well formed error". Anything that validates it meets the requirements.
Test Case Scenario
Sounds like Scenario Testing: this uses stories, similar to user stories, that help a tester work through a complicated testing scenario. Scenario testing tests complicated combinations of things which might arise during actual use and often cut across multiple systems.
An example of a test scenario might be: "in the middle of processing the system runs out of disk space; verify an admin is notified, that processing resumes once space is cleared, and that no data is lost".
A User Acceptance Test might use Scenario Testing.
These are my rules of thumb:
Unit testing: does this one function work?
Integration testing: do the functions work together?
Functional testing: does it function as required?
Acceptance testing: is it acceptable to the client?
Regression testing: does it still work like it used to?
User Acceptance Testing is having business users trying out your app.
There is also an Acceptance Testing done by QA when they check the new functionality - you can call it a Story Acceptance Testing to distinguish between these. These are not necessarily Functional Tests (could be Security, Performance testing, etc.).
Test Case is a number of steps to check a small piece of functionality. It has Prerequisites, Steps, Expected Result, Actual Result. This is one of the ways of carrying out Functional Testing. Others could be: exploratory testing, checklists.
Test Scenario - steps that cover a bigger picture. Often they cover cases of how real users would use the app. But these are carried out by QA team.
Functional Test - a test that checks the functionality as opposed to e.g. Performance. This can be a unit test as well, but since this terminology is mostly used by QA - when people talk about them they usually mean Functional System Test.
Note, that different authorities may use different definitions of the same terms. Check out Holes in testing terminology: Test Types and Test Levels. Since it's impossible to find the one true terminology it's more important that you use terms consistently within your team even if they are used differently in other companies and teams.
User acceptance testing is a process that obtains confirmation that a system meets agreed customer/product manager requirements.
Functional Testing is actual functionality test of the software there can be many different types of testing but in simple word testing the functionality what is should be expected.
The test scenario is the high level of testing cases when the first classification of module testing then module dividing into a scenario and at last small and specifical test steps with expected result says test cases, so the test scenario is group test cases with limited to specific functionality and module.
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I don't have a clear idea about smoke testing and sanity testing, some books say that both are same but some tester in some project called as a smoke testing and some tester in some project called as sanity testing, So please give me clear cut idea about my question.
Sorry but there is no clear-cut. Like you explain in your question there is no consensus on the definition, or at least on the difference between sanity and smoke.
Now about smoke tests (or sanity tests!), those are the tests that you can run quickly to get a general idea of how your System Under Test (SUT) behaves. For software testing, this will obviously contain some kind of installation, setup, playing around with the feature and shutdown. If nothing goes wrong, then you now you can go on with your testing. This provides a quick feedback to the team and avoid starting a longer test campaign only to realise that some major features are broken and the SUT is not really usable.
This definition stands for both manual and automated tests. For example, if you use Jenkins (for CI) and Robot Framework (for test automation), you could create 2 jobs in Jenkins: smoke tests and full tests (using tags, this is straightforward). Smoke test job could last a couple of minutes (or max 15 minutes let's say) and the full tests job could as long as needed. Thus the smoke test job gives you a quick feedback on the SUT build (if your smoke tets is a child project of the SUT build of course)
Smoke testing also known as Build version Testing.
Smoke testing is the initial testing process exercised to check whether the software under test is ready/stable for further testing.
sanity testing is a type of testing to check the capability of a new software version is able to perform well enough to accept it for a major testing effort.
Think of the analogy of testing a new electronic device. The first thing you do is turn it on to see if it starts smoking. If it does, there's something fundamentally wrong, so no additional testing either can be done or is worth doing.
For a website, the simplest smoke test is to go to the website and see if the http response is 200. If not, there's no point in testing further. A more useful smoke test might be to hit every page once.
Smoke tests should run as fast as possible. The goal is quick feedback so that you can make a decision.
As for the difference between smoke tests and sanity tests... There is no significant difference. What you call them is irrelevant, as long as everyone in your organization has the same basic understanding. What's important is a quick verification that the system under test is running and has no blatantly obvious flaws.
The smoke test is designed to see if the device seems to work at all. - This is to determine if we can go on with more extensive testing or if something fundamental is broken.
The sanity tests are designed to test the most frequent usecases.
Example:
You are testing a cellphone.
Smoketest - Does it start up without crashing/starting to smoke etc. does it seem to work good enough to perform more extensive testing?
Sanity test - Can you place/recieve calls/messages - the most basic and most used features.
These are both done often and should be quick to run through, they are NOT extensive tests.
Smoke Testing is testing the basic and critical features of an application, before going ahead and doing thorough testing of that application.
Note: Only if the Smoke testing passes, we can carry ahead with other stages of testing, else the product is not fit to be tested and should be sent to Development team.
Sanity Testing: There is no clear definition as such, but this one I picked up from the Internet
Check the entire application at the basic level, focuses on Breadth rather than length.
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I've read the terms System Acceptance Test and User Acceptance Test in a document.
But I can't really figure out what's the difference between these two.
Can anybody explain the difference?
There is no official terminology in testing. Usually, the context in which they are used in the document should help find out the exact meaning the author have in mind.
From my experience though, I would say:
system acceptance testing is more about platforms, OS, browser type etc. It is about using the SUT in a close-to-reality set of environments that ressemble the one the SUT is going to be used in. The actual test effort might be to have a set of end2end tests that you will run in those difference environments.
user acceptance testing focus more on the end-user experience. What you will check is that the user gets what he wants from the SUT, feature by feature. Here you will take a single platform/env and run many different smaller tests to check the feature one by one. You can do this by following test plans or with a more exploratory approach
User acceptance testing is done by client or customer.It will take place in client place.They will check whether the application meeting the requirements or not.
system acceptance testing is the testing done on a particular application in different environments such as different OS, Browsers, browser versions etc.It is usually done in developer location only.
UAT- after completion of testing cycle, application goes to user acceptance testing it means client or user will test that application then that application will be live.
SAT- are special control systems developed to control the functionality of subsystem before sending the acceptance to the provider or system to check if the equipment to be accepted fulfills its specifications.
System Acceptance Testing (SAT):- **
It is end-to-end testing wherein testing environment is similar to the production environment.We can also called it End to End testing.
Here, we navigate through all the features of the software and test if the end business / and feature works. We just test the end feature and don’t check for data flow or do functional testing and all.
**
**
User Acceptance Testing (UAT)
**:-Acceptance testing is done by end users. Here, they use the s/w for the business for a particular period of time and check whether the s/w can handle all kinds of real-time business scenarios / situations.
System Testing: Finding the defects, when the system is tested as a whole, this also called as end to end testing. In this testing, tester needs to test the application from log-in to log-out.
UAT: User acceptance testing is to get the acceptance from the client. UAT is generally done at client's environment. Before UAT pre UAT should be done.
Lifted from http://www.geekinterview.com/question_details/19127
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I heard that system testing has two types
1)functional Testing
2)Non functional testing
But later in another website i have seen below statements
In the types of functional testing following testing types should be cover:
Unit Testing
Smoke testing
Sanity testing
Integration Testing
Interface Testing
System Testing
Regression Testing
UAT
I am confused, Please clarify me that whether the system testing includes functional or functional testing includes system testing and the sequence of these testings(functional is performed first or system)
Thanks
Functional testing aims to figure out whether given functionality works as specified. System testing aims to figure out whether the whole system fulfills the requirements given to it.
So in functional testing you test that given part of the whole system functions in a specified way. And in system testing you test the system as a whole fulfills the requirements given to it.
For example testing that 1+1=2 tests the plus function and sum function. And thus is a functional test. Testing whether user can calculate correct amount of tip using the calculator or not, is a system test, since it tests a requirement (calculate tip), but not a specific function of the application.
And non-functional testing includes stuff like usability and performance.
Functional testing are based on an analysis of requirements specification of a component or system.
Non-functional testing includes, but is not limited to, performance testing, load testing, stress testing, usability testing, maintainability,reliability, portability. It is the testing o how the system works.
You can call System Testing as a level of Test, instead Functional Testing is a Test Type. And System testing should investigate functional a non-functional areas of the system.
You could find more information on this subject if you read for example "ISQTB - Foundation Level Syllabus".
Non-functional testing would include, for example, performance testing - something unrelated to the actual business requirement.
Functional testing tests the business requirements.
Sometimes there is an overlap between the two.
System Testing includes both Function testing as well as non Function Testing
Functional and non functional testing is done for a particular portion or is done step by step which becomes System testing.
Functional Testing : are based on an Requirement Specification. while you check application as per flow and if u find any bug for that flow then it will functional testing.
System Testing : are test whole application.
Unit Testing : One individual parts of an application, called units, are individually and independently scrutinized for proper operation.
Regression testing : while Dev team change any module and then module not effect another module that is Regression testing.
System testing is a combination of both functional and non-functional testing.
Functional testing, in simple terms, tests the functionality of whether an application is working to requirements or not. (smoke, sanity, retesting, regression, priority based testing, riskbased testing etc.)
Non-functional tests evaluate the non functional parts such as performance, load, stress, volume, usability(userfriendliness), look and feel etc.
Functinal testing comes under System testing (which checks the overall end to end flow of an application).
software product is integrated and complete ,now to check whether it meets the intended specifications and functional requirements specified in requirements documentation:-
integration testing or functional testing or user acceptance testing
Yes this is a discussion in many projects. What is the scope of the different test phase and I think you ask a very valid question I have discussed very often in projects.
The answer is opinion because I have read different answers in different books and standards and it also depends on the size of the software and the kind of the software.
Here are good answers
In my world normally integration testing is to see whether it works with all up-stream and down-stream systems while functional testing is done on a system alone. But often the functional testing is an end-to-end test and cannot be done standalone so the integration and functional testing becomes the same test phase.
user acceptance testing usually is done by someone else and is the client who gives his sign-off and does his own set of test cases.