Software testing is the process of testing any newly developed software to check if it has any bugs, technical issues or errors that could have crept into the coding of the programming during its development.  These errors will have a negative effect on the quality of the software and this is why the new software gets tested so the developer can eliminate and fix any bugs or technical issues prior to the release of the software. This allows the manufacturer to be one hundred percent certain that the software is of high quality that it meets all of the quality standards.

Software testing became a vital phase that any software has to go through due to the existence of the internet. Everyone is looking for top quality products and software. This is why any software that does not meet these quality standards is deemed to fail. This is why software testing became an important part of the SDLC (software development life cycle). Most of the errors and technical issues that exist in any software are a result of design errors and miscalculations. Any grade ‘A’ product will have to be bug and error free and this is why big program developers test their software to make sure that it does not contain any bugs and if it does, it will have to be corrected and fixed before it is released to the public. This is done in order to control the quality of the products.

Software testing includes static and dynamic testing. These kinds of tests can be done automatically through an automated test tool or it can be done manually. This testing involves the execution of a code that tests and examines the software for the existence of any bugs, technical issues or errors. To sum it up, software testing is very vital to any quality control strategy and this is why it is used and applied by the biggest software developers.

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Businesses involved in software should always make sure that their software product is free of bugs, and almost there are errors or any kind of risks which cause problems to their customers(end-users), should be fixed before releasing the product to the market. Even though it is not possible to deliver 100% bug-free software product, software businesses should ensure that their product is almost free of all possible bugs/errors. To do so, they should follow software testing procedures or any kind of other testings from start to end of software development.

Software developing industry is very competitive industry to do business with. There are many software products compete in the market for a particular problem/need of customers. For an example, there are various software products like SAP, Tally and etc are competing in accountancy filed. So, it is very important that the software which you produce is very reliable, user-friendly, functional, secure and etc. Specially if a software provides solutions to business functions like accounting, it  has to be very secure, specially  from cracking, hacking and virus attacks to end-users' data. To do so security of the product should be tested well during process of software testing.

Usually there are software firms run out of time for extended testing due to tight deadline and/or delays on earlier software development phases. It leads to release the software with bugs/errors, which in return gains poor reputation to the brand. To overcome such things, software testing should not be omitted/ignored/shortened. Overall Software testing cycle should be followed. Alpha testing, beta testing, verification & validations too have to be considered during software testing process.

Unit testing should be carried out to ensure each unit of the software, operates correctly. Apart form that when the units are integrated, integration testing should be carried out to ensure software units continue working properly when those are integrated. Assuming that integrated software will work fine because of unit testing is carried out and all units are working well, there are cases where integrated software fail to work well, so integration testing is the must.

Software should perform what is supposed to perform in other words,  software should perform as what stated in software development specification which is filtered out/translated from customer requirements. To test this performance testing should be carried out.

Functionality of the software also important to compete in high competitive software industry. Each functions should work properly, individually as well as when those are integrated. Functional testing should be done to do so.

Regression testing also important when some reported issues are fixed. Other than that compatibility and usability testing should be performed before final release of the software product.

Beta version of software can be distributed to other/existing customers, which allow customers to work on it and report any issues. It helps to find out errors/bugs under different environment.

Finally even software testing is time consuming process. It is very essential to deliver quality and error free software product which in turn gives more high brand reputation and more businesses in near future.

Software Testing Vs Software Quality Assurance
Executing software program purposefully with intention to “find bugs”, “measuring quality, security, functionality and performance” can be defined as software testing. Making sure that the standard procedures are adopted in all the phases of SDLC (Software Development Life Cycle), monitoring & improving process of all phases of SDLC and intend to solve identified all the problems is known as software quality assurance. Software testing is done to detect errors and Software quality assurance is oriented towards “prevention”.
 
SDLC Vs STLC
Preliminary analysis, Systems analysis, Systems design, Development, Installation & deployment and Maintenance are phases of SDLC.
 
The need of software begins when a business is in need of computerized solution for its problems or when the business identifies the opportunity for computerized solution. As next step, goals and scopes are defined along with system boundary, cost-benefit analysis and feasibility study. Then, project development plan is developed and other planning documents are prepared. Once that is done, analysis of user requirements is carried out and detailed functional document is developed. On the next phase the requirements are transformed into system design, and then the system design is converted into information system - at this phase system installation, creating and setting up the databases, coding, compiling and refining the programs are done.
 
Further in testing, STLC (Software Testing Life Cycle) is applied, which has the following phases:
System Study
Test planning
Test case preparation
Test case review
Execute test case
Identify bugs
Report bugs
 
Types of testing are Defect testing the failed scenarios, including defect tracking, Path testing, Data set testing, Unit testing, System testing, Integration testing, Black-box testing, White-box testing, Regression testing, Automation testing, User acceptance testing, Software performance testing
 
Once the testing phase is completed, system is implemented in production environment and further maintenance is carried out.
 
Further on Software testing
Test bed :
Test bed is setting up environment for testing, which includes configuring specific hardware, operating systems, network topology and etc to perform testing. In detailed test plan, “Test bed” should be consider in first point.
 
Test data :
What data to be tested with the software program. It is used to test effective controls of software with input.
 
In software testing, term “error” means - deviation of actual and expected output, term “bug” means - the error which can be found in development environment before delivery to customer and the term “defect” means - error which can be found in delivered product to the customer.
 
Reasons for errors on Software:
Communication gap on what the application should & should not do
Programmers mistake in codes
Changes of requirements
Running to meet deadlines
 
Only few things about software testing is discussed above out of several points to be considered about software testing.
 

Web testing scorecards will concentrate mainly on the GUI (Graphic user interface), GUI is used by websites to enable the users to browse easily within the pages of website. The website’s GUI functionality has great impact on the amount of traffic generated by a website.

GUI is created to provide effective control to the users on computers. In this case, control means the flexibility with which the Graphical User Interface reacts to the commands of users. Developing the website’s GUI quality will be the first thing that a web test scorecard will attempt to achieve. Logically the goal will be to give users the required graphic interface functionality by making use of the most appropriate web technology that is available.

The homepage will get the initial attention naturally, while testing a design of the website. The questions that you may ask here are: how the homepage is found by a visitor? Is easy navigation with the pages of website is allowed by the homepage menus? Does the design of the homepage and building inspire more visitors? Being biased, owner of a website or developer will tend to provide desired answers but there is a good and more precise way of measuring the functionality of homepage and that is, to ask the users about their opinion.

A web test will decide the efficiency of GUI by measuring the flexibility and speed with which users browse from the homepage to other pages of website and back and to link with important links. A good GUI pattern will often give obviously located navigation points in every page and graphic buttons that give graphic recognition, which informs searchers they are still within the domain of a website.

The creation of the site should give straight forward links to embedded pages within the website. A well planned GUI will not fall short of links that will make the searchers to come back to the homepage, otherwise, they will be clenched in the page and will not have any opportunity to come to other pages of the site. Every page should have links to other sections and pages, which is even better.

Interface speed is another web test that is good for measuring the functionality of website. Users are believed to give only 10 seconds of waiting time to enter websites before going somewhere else. This means, website interface should be assembled with access speed of majority users. Searchers on internet usually use dial-up connections. So it has to be aligned by considering that speed.   

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The basics of software testing are the first piece of the ISEB Foundation examination and course study syllabus. ISEM suggest that students of Foundation spend 20% of their time of study on the basics of section of Fundamental course. The tile of the opening chapter is The Fundamentals of Software Testing in the official manual of ISEB software testing.

Determining the fundamentals of software testing is very important to accomplishing proficiency according to the professional standards of ISEB. But what, exactly are these basics and what do you need to understand to the examination of ISEB Foundation?

The necessity of testing: Peter Morgan, a freelancer testing practitioner and ISEB Accreditation and examination panel member says that, a needlessly high amount of IT systems are unsuccessful to fulfill expectations or fail to work, because of inadequate software testing before the release.

Software testing cannot assure against software issues, but it can reduce the dangers of faults developing when the software is working. It is important to take the causes and effect of IT systems failure, and important role played by testing in quality assurance into account, in order to understand the necessity of software testing.

The five most important learning requirements to be focused by The ISEB Foundation are:
1. The potential force of a failure of IT systems.
2. Effects and causes of software failure.
3. The necessity of software testing.
4. Fundamental terminology of industry.

Meaning of testing: It is a technique of recognizing mistakes in the product before the release, this consists faults in its execution and the software code, also any type of potential space between job of code and what it exactly does.

The examination of ISEB Software Testing foundation needs students to:
1. Understand the fundamental objectives of testing.
2. Know how these objectives implement in the context of using, supporting and creating software.

General principles of testing: The students in ISEB courses are introduced to 7 principles of software testing.
1. Testing can prove that complications exist, but they can’t show that the problems do not exist,
2. It covers a restricted category of sample conditions, and is not all inclusive.
3. When the problem is found sooner, the cost of fixing it will be less.
4. Imperfections are more likely to align around particular areas. These areas can be specifically aimed by testers.
5. A test set that run repeatedly will have abating effect.
6. The kind, pattern and concentration of testing will differ depending on the software tested.
7. A test that doesn’t show errors doesn’t prove that software is free of errors.

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According to market research studies, 40% of undecided application break time is brought by failure of application or bugs, 20% by hardware and 40% by errors in application, disasters or environmental aspects. So, 80% of unexpected downtime can be eliminated by IT process improvements, complete training on operations and pre-arrangement testing. This is important, but it is not certainly the main activity of majority organizations that require it. Outsourcing the software testing process will help a company to focus on its other core activities while the software testing work is handled by the experts proficiently, making sure of quality results. The company will save time and money on the procedure that would be too annoying and pretty tiring if done internally.

Importance of Software testing: Software testing is an important step in any project of software development. Testers and developers should make sure that products that are newly developed match the performance and practical requirements and that those products are trustworthy to function constantly under each circumstance. The dangers of launching a product that is not accomplished fully are abundant now than before because of the change in demands and assumptions of the end consumers.

A consistent approach to quality, started early in the lifecycle of software, can reduce the cost of accomplishing and maintaining the software considerably. This largely minimizes the risk related with arranging low quality software.

The important improvements that come along with aligning software testing and accent the normally mentioned reasons are as follows:

1. Save money and time by recognizing defects sooner.
2. Reduce and avoid downtime of development
3. Give better customer service by developing a better application
4. Understand the requirements of users and satisfy them
5. Construct a desired modifications list and improvements for later version.
6. Recognize areas where developers and programmers require training.
7. Recognize areas where developers and programmers require training

Providers concentrate mainly on quality of product, which is determined through the below mentioned basic practices:

1. Find defects of software quality in documents.
2. Suggest on the noticed quality of software.
3. Prove and authorize the assumptions made in pattern and requirement features through strong demonstration.
4. Authorize that the products works according to the design.
5. Authorize that the requirements are applied properly.

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