Testing

What is Usability Testing Usability testing means to make sure that the application is fit to the end-user expectations. Whatever the application is the aim is to reach the end-user expectations. To develop any applications the 3 things that the developer is put in mind is: Why is usability testing performed? In recent times web and mobile applications ruling the business. Because of mobile usage, this usability testing is getting affected. why because nowadays everyone uses mobiles, both literates and illiterates. So whatever the application is the end-user whether it is literate or illiterate should be able to handle the application in a smooth manner. If the application is understandable only for the literates then the application does not see a huge success. Of course, there are other features also to be considered to know that the application is going to hit or flop. But this usability testing also plays a key role to see success. This usability testing is not only applicable to software applications only, but also for all types of interface/machines that have human interaction has got to satisfy these rules. For example if the voting machines is not usable , it means more than single-action if there are multiple actions to be performed to vote to the chosen candidate, then did the public show any interest to do all that process for one vote? They get irritated then the democracy will suffer. And the gadget in the hospital, if that won’t work properly there, is a critical situation where sometimes the patient even may die. It should be in an understandable manner not to complicate to perform any action. If the application is hospital related you know that it is an emergency case. And To avoid situations like this usability testing is mandatory. There are a bunch of examples in history that one single button can cause a great effect. And this usability testing is performed when it means the earlier a defect is found in the SDLC the cheaper it is to fix it. The same as this concept holds true for testing Usability also. So it is important to design an application in such a way that the customer/ end-user did not get irritated by multiple clickings. It should be simple and also able to provide good security. Who performs this testing There are 2 different ways that this usability testing can perform. The first one is the developer, designers and anyone else can sit and analyze the system and get the results. Based on the result there can be some modifications that are done if required. It is an internal process. And the second way is hiring real-time users and assigning tasks for them and getting the results from them. This is an advanced approach.

What is performance testing Performance testing is to know how the software application behaves under the workload in terms of stability and responsiveness. Performance testing comes under non-functional testing. Types of performance testing 1. Load testing Load testing is performed to know how the software application is working under normal usage and at peak usage. By considering the application response to the user request and its ability to respond frequently within an accepted tolerance on a different user load the performance of an application is checked. The key factors that should be considered in this load testing are to know how much is the maximum load to the application that it goes into unexpected behavior. Before the system slows or crashes how much data that the database is able to handle. And also to consider is there any network issues to be addressed. 2. Stress testing Stress testing is a performance to find ways that break the system. By performing this testing it provides the maximum range of the load that the system can hold. Where the load is gradually increasing Stress testing has a progressive approach. Initially, this test started by applying a load to the system that it can hold and gradually by increasing the load to stress the system. The point at which the servers are not responding to the request is considered a breaking point. 3. Capacity testing Capacity testing is used to know by how many transactions or by how many users that a web application supports and still meet the performance. The reason behind performing this testing is to know that the application is capable to meet the business needs in normal and peak load conditions. Bandwidth capacity, memory usage, and some other aspects are observed while performing this capacity testing. capacity testing plays a major role in Online baking. 4. Volume testing Volume testing is performed to make sure that the volume of the data does not affect the performance of the application. To perform this teste a large amount of data is entered in the database. It can be either an incremental or steady test. In an incremental test, the volume of the data is increased gradually. For example, a website of a hotel with fewer customers initially and increasing gradually. 5. Reliability testing Reliability testing is also known as recovery testing. It is simply nothing but a time estimation. That means to verify that the application is able to return to its initial state after a failure/ abnormal behavior or not. And to know how long it takes to come to normal behavior. If any application experiences failure and is able to work fine after an hour, then that application is said to be reliable. 6. Scalability Testing This scalability testing is done by the performance testing team. They perform multi[ple tests like by increasing the users to meet the expected load and to know the application performance. To know whether the deployment can support the service under peak user load.

What is Regression testing? The Regression is performed to make sure that the modification made in the code does not impact the existing functionality of the application. That means no new bugs are introduced because of these changes. In this previously executed test case also again executed in order to verify the impact of modifications/changes. This regression testing is performed on a new build when there is any significant change in the original functionality. Why regression testing is important ? because the application contains many modules and those models are dependent then this regression testing is very important. For example Gmail. Gmail contains compose, inbox, sent, drafts, trash and so on. Here the compose module and sent module are interlinked which means whatever mail that sent will reflect in the sent module. For example, if the client needs some new features in the compose module and the development for that module is done. If the testers do not perform regression testing and deliver the application. Then what will happen? The important emails that were sent by the user will not present in the sent module then there is no proof from the sender side. This has a very high priority. If the new features are developed in help modules that do not much affect any other module So regression testing plays a crucial role. When there is any continuous change in the application this test is very important. Types of Regression testing There are 3 different types of Regression testing. They are mentioned below. 1. Unit Regression Testing During the unit testing phase, Unit Regression is done and the code is tested in separation so that if there are any dependencies on the unit to be tested are blocked so that the unit can be tested individually without any inconsistency. 2. Partial Regression Testing Partial Regression testing is performed to make sure that even when the changes/modifications have been done in the code that does not affect the (unit )code for that module. And that very unit is integrated with the unchanged or already existing code. 3. Complete Regression Testing When there are changes in every module and also the changes affect other modifications in other modules unknowingly.Then complete regression testing is done. When to perform Regression testing Usually, Regression testing is performed after verification of modifications or new functionality. Sometimes it is not the scenario. Regression tests must be incorporated in the daily test cycle for the release that is taking months to complete. If the scenario is weekly release then regression tests can be performed when the Functional Testing is over for the changes. Regression testing is nothing but retesting. That means repeating the test that was performed before. Regression testing is done not regularly only for the special occasions that mean something has changed in the application or code.

What is Cucumber? A cucumber is a tool that is based on the Behavior Driven Development(BDD) framework. There are other tools that support BDD(Behavior Driven Development) for example JBehave. This Behavior Driven Development(BDD) is an extension of Test-Driven Development. It is one of the testing approaches. By using Gherkin language it explains the behavior of the application. Both selenium and cucumber are used to perform acceptance testing for the web application. At the beginning cucumber was implemented in Ruby later it extended to Java framework. Cucumber can be used in combination with Selenium, Watir, Capybara and so on. It supports different languages like PHP, Python, Perl, Net,etc., It Does not support composite steps. Cucumber does not contain any standard documentation. It contains a better formatting flexibility, built in reports. Here are some cucumber features. These are some features of Cucumber. There is a possibility to execute the Junit test case which was written in Cucumber by using TestNG. But by following the below conditions.They are: Feature file: In the Feature file, the feature is written that is to be tested in Gherkin format. There is an ability to even run the feature file to execute the test scripts which were written in the StepDef file. Stepdef file: In the StepDef file each sentence of the featured file can be further implemented. Runner file: In this Runner file the actual script is executed which was written over the StepDef file by referring to the Feature file. Along with this, it contains many other options like customization, reporting, execution, selective, etc. What is Selenium? For the functional testing of the web application selenium automation tool is used. It supports different languages like java, ruby, python, c#, etc. It is not just a tool but it is a suite of software. Some tools mentioned below. Benefits of Behavior Driven Development(BDD):

What is Jira? Jira is a bug tracking tool basically which was developed by an Australian company named Atlassian in the year 2002. Basically, it is a bug tracking tool later in the year 2012, it started its services like project management. It is a Japanese word which means Godzilla. This tool is mainly used for bug tracking for software and mobile apps. Jira is mainly used by Agile developers to customize the workflow and for team collaboration and it releases the application with more confidence. And the help desk system, leave request system also uses this tool. Coming to the tester this tool is used for bug tracking to track project-level issues like documentation and also to track environmental issues. This tool was used by 75000 users in 122 countries. Jira contains 4 packages. They are mentioned below: 1. Jira core It is a project and task management solution. In the organization, every business person uses the plan, track and report of the work. The new business template of this Jira core is very efficient to support multiple teams, projects, and workflow. 2. Jira software Jira software is developed for bug tracking of software and mobile apps. 3. Jira Ops It is a place to respond to the incidents, link systems and to create a consistent process. On Atlassian’s Jira software Jira Ops is built. And its objective is to automate and streamline incident responses and also provide visibility into the ongoing incidents and also provide updates about chat and status. 4. Jira service desk Jira Service desk is a modern service desk software. It provides good visibility and provides a good structure for the work to provide a better service. Jira Basics: It consists of 6 aspects. They are mentioned below. Coming to the plugins there are some plugins available in Jira to get a better result. There is some famous plugin in Jira They are mentioned below Zendesk, Salesforce, GitHub, Gitbucket, and so on. Some of them support the team to report the issue directly into Jira. With full-featured issues and with test management it created an unlimited private repository. As early discussed, agile developers mostly used this Jira software. For the upcoming versions of the product, the developers follow the roadmap of the planned features. Advantages of Jira Disadvantages of Jira

What is Apache JMeter? Apache JMeter is an open-source and pure java application designed for load test functional behaviour and to measure the performance of the application. Apache JMeter can also perform testing on static and dynamic web applications. Under different load types, it analyses the performance of the application. Besides Selenium and LoadRunner, JMeter has become one of the most popular testing tools in the world. The types of applications that can be tested by JMeter are mentioned below: Features of Apache JMeter Advantages of Apache JMeters Disadvantages of Apache JMeters

What is WebLOAD? WebLOAD tool is a load testing tool to perform stress testing and performance testing of the web application. WebLOAD was developed by RadView Software in 1997. The RadView software released 20 versions of WebLOAD. And the stable release of the WebLOAD tool is 10.3.1. This tool is capable of generating reliable and real-life load scenarios even for the most complex systems. The operating systems for WebLOAD tool are Microsoft window and Linux WebLOAD tool combines performance, integrity, and scalability as a single process for the verification of web and mobile applications. Features of the WebLOAD tool Here are some WebLOAD tool features. 1. IDE IDE full form is an Integrated Development Environment. This IDE helps the users to edit and debug load scripts. 2. Load generation WebLOAD generates load from the on-premise from the cloud. 3. Correlation Automatic connection of the dynamic values such as session ID’S and allows a script to be executed dynamically with many virtual clients. 4. Analytics Helps the users to identify the tailback by providing a set of predefined analysis reports that provides performance data. 5. PMM PMM means Performance Measurements Manager. It collects server-side information throughout test runs. 6. Web Dashboard Analyzing execution test results from any kind of web browser. Advantages of WebLOAD Tool Disadvantages of WebLOAD Tool