Another Way to Validate the Software - Unit Functional Testing Service

The given type of independent testing allows quality assurance consulting specialists to check thoroughly each individual component (module, object, class, function, etc.) of the software, in order to make sure in its correct performance. 

It is a paramount, negative and positive testing of newly emerging functionality, which takes place during the software development. 

Unit functional testing service assumes testing of each component in isolation in an artificially created environment.

Given testing type performed based on approved testing requirements using manual and automated testing services. 

For internal projects, QA team uses “test first” approach, when automated tests are created before the software development. In this case, tests written before development process are run opposite the created and integrated pieces of code. The development is carried out until testers have successfully passed all tests.

Software testers also write individual test cases describing the steps and expected results;and they also write use-cases (usage scenarios) describing the user actions and system reaction on user-performed actions.

Unit functional testing is performed during the development of each system module. Therefore, in case of defect detection, testers will need to execute the redesign of a separately tested module, but not of all the system.

Besides, unit testing makes possible the defects detection in technical tasks or in project architecture, as well as the ability of separate program parts on each development stage. After the link-edit of these modules, it’s enough to perform system and regression testing. In addition, there will be no same defects in the work of modules, which will save the resources spent on fixing bugs already after the product release. 

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SQA Services: How to Test Requirements

Requirements Testing is performed to determine whether the project requirements are implementable in terms of time, resources and budget. The majority of the software defects occur because of requirements being insufficient, inaccurate and ambiguous. 

This testing type includes documentation testing describing:

- project functionality;

- user-interface;

- hardware & software interfaces;

- performance criteria;

- issues and risks associated with the project implementation ;

- safety criteria & system correctness.

This type of independent testing also includes the help in collection and analysis of user data and their substantive work. It’s essential for user interface testing services performance, profiles creation, finalization of documentation, etc.

Main Benefits:

-helps to improve the quality of requirements;

-tends to reduce the number of tests performed for specified requirements satisfaction.

QA consulting team should collect and analyze the requirements for understanding what technologies would be used within project creation and its aims.

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Localization Testing Service as a Standalone Testing Type

What do you know about Localization Testing Services? Not a lot? It's not a problem! 

Today I feel like sharing some information about localization. Hope it will be new and fresh for you!

Localization was recognized as an independent software testing type more than 20 years ago and since that time, it has experienced some major developments. 

Localization testing has become an indispensable component of just about every software localization endeavor.

Localization testing as an independent testing type aims to verify whether the localized software/product is linguistically accurate and properly adjusted to the local languages and cultures.With what exactly localization deals with and tries to improve? 

The Issues Introduced as a Direct Result of Localization are:

- Linguistic or terminological issues.

- Issues related to Graphical User Interface & its look and feel.

- Issues that may break or comprise the functionality of the localized product.

Localization testing is necessary for every software product, but it’s crucial for that product, which will soon enter the international market.

Localization Testing is Necessary When:

- a program has the multilingual versions.

- the software products are at risk of localization errors.

- there are errors that seriously impact the product usability and can make a program good-for-nothing.

TestMatick testers mostly concentrate on the software UI and content during localization testing; special attention is paid to different languages and culture peculiarities. 

How to Choose Best Independent Software Testing Company?

Best independent software testing companies organize independent software testing performed by experienced specialists, who don’t participate in the process of information system development. It guarantees the testing being objective, as well as conformity of the delivered software non-functional and functional requirements. 

Independent testing performed by TestMatick allows our customers to use a single test repository, the best company’s achievements, 24/7 support team.

The practice of independent testing performance aims to provide a wide range of services, which client can use them both in complex, or separately, in any combination. 

Top independent testing companies should offer the following services: 

- load testing, performance testing, stress testing;

- regression/functionality testing;

- API;

- configuration testing;

- localization testing;

- usability testing;

- data migration;

- security.

The clients should also get a number of additional benefits. For example: 

- reduction of risks to release a low-quality product;

- risk reduction of postponing the release;

- adjustment of costs transparency and predictability;

- optimization of time and cost for testing;

The implementation of outsourcing model provides best results and is effective. 

When choosing the best independent testing company, you will get the promotion of your trademark, as well as sales growth. 

Independent Testing: Test Design & Its Techniques

When software testers or dedicated testing teams perform independent testing, they inevitably use test design. What is this? 

Test design – is the stage in the process of software testing service, based on which test cases are designed in accordance with the previously defined quality criteria and test goals. 

Roles of Responsible for Test Design:

- Test Analyst – defines “WHAT to test?”
- Test Designer – defines “HOW to test?”

Test Design Techniques:

- Equivalence Partitioning. As an example, you have the range of valid values from 1 to 10, and you must choose the correct value within an interval of, let’s say 5, and one wrong value outside the interval - 0.

- Boundary Value Analysis. The given analysis can be applied to fields, records, files, or to any kind of entities with limitations.

- Cause/Effect. It’s, as a rule, the input of combinations of requirements (causes) in order to get the system response (effect). 

- Error Guessing. It’s when test analyst uses his/her knowledge and skills for interpreting the specifications in order to “predict” the system crash caused by some input conditions. 

- Exhaustive Testing – it is an extreme case. Within this technique, you must check all the possible combinations of input values, and it should find any problems. In practice, this method is not possible, due to the vast amount of input values.

- Treceability Matrix - is a two-dimensional table, which contains the corresponded functional requirements of the product and prepared test cases. The given technique is used by QA engineers to validate the product tests coverage. 

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Software Test Services: Waterfall Model

Software Test Services: Waterfall Model

As I promised in the previous post “Software Test Services: 7 Software Development Models That Should Know Every Tester”, now we will analyze one of the most widely used models in independent testing – Waterfall Development Model.

Waterfall Model
It is linear-sequential software development model and it gained its name because when developing a product, every stage or work period should be finished before next one will start its performance. Activity periods don’t overlap, and at the end of each period, dedicated testing team should decide whether all done correctly, and whether you can proceed to the next period.

As a rule, each model has its benefits and drawbacks, and waterfall model is not an exception.

Benefits:
- The model is easy and user-friendly.
- It is suitable for small projects, when all requirements are clear.
- It is easy for design periods management, because each period has an exact amount of work to be completed.

Drawbacks:
- If there is a bug on testing stage – it’s a costly process, because tester should make changes in the requirements, in design, in the code and also perform an additional regression testing as a service.
- The program may be unworkable in the last stage of product development life cycle.
- There can be big risks for the project and product.
Is not suitable for big projects.
- Unscheduled changes in requirements can lead to greater risks.

 It is Recommended to Use When:
- Precise requirements.
- The technology is well known for project participants.
- Project is limited in time.
- Qualified personnel.