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Wednesday, 25 November 2015

Mobile Application Testing: Strategy for Development

There are a huge number of demands and lots of competitions in the mobile application industries. In that demands and competitions, the mobile application testing has become more important. The testing phase of the mobile application testing looks like evil between the creative process and excitement of new products in the market.
According to the survey, “In US, on an average 2-3 hours per day people spends their time on smartphones and tablets. On that time, they spent 80% on mobile application and remaining 20% on web applications.”
Few list of key factors for successful mobile application testing strategies are:
  • Selection of Device for Testing:

Before introducing the mobile application test activities, first select the devices for testing the application. Selection decision is very important because only devices can help to targets maximum numbers of the customers for accessing the application.
There are two parts for device selection:
§  Device Model
§  Emulators and Physical Device.
Device Model:
For device selection, following factors should be considered:
1.    The application should be OS compatible for the device, so the application test should be completed perfectly.
2.    As per different mobile devices, screen resolution and screen size also changes. So, for different resolution and size of the screen use mix testing for mobile application.
3.    The action of the mobile application is different for smartphones and tablets. So, testing on the mobile application should consider for all compatible devices.
Emulators and Physical Devices:
There are two devices are helpful for testing the mobile applications are emulators and physical devices. At initial level of developing, emulators are more effective for testing. It tests the functionality and features of the mobile applications.
Physical devices are also important on the real-life scenarios base application. With the help of the emulators and physical devices, the mobile application testing is completed quickly, more efficient and provides best results.
  • Beta Testing:

The best effective method in the mobile application testing is Beta Testing. Beta testing provides real-world testers, actual networks and latest devices for testing the mobile applications.
There are multiple factors for testing the mobile applications are:
a.     Network Density
b.    Application behavior on different devices
c.     Users interaction towards mobile applications
d.    Different network devices
  • Cloud helps for testing:

The Mobile application testing can be tested through the cloud. Cloud testing can deploy, test and modify the application through web-based services.
Cloud testing provides various mobile testing to minimize the cost of the mobile application testing and also helps to increase the ROI of the mobile applications.
  • Automation testing:

The testing procedure in automation testing is highly effective for the mobile application testing. The automation testing repeats the regression testing and development stages. Automation testing should be completed in few scenarios, when:
                                  i.            the life-cycle of the application is long,
                               ii.            Regression testing has high frequency and scale.

Monday, 23 November 2015

What do you think about quality in field of software testing?

      Quality refers to a lot of things such as it must be bug/error/issue free, it must be released to the customer on time and must be developed with the features as the customer demands.
      Quality is related to the categories of the customers’ i.e. different customers such as end users, test engineers, customer contract officers, customers related to development organizations, people related to sales, accountants and stockholders define quality differently in their terms.
      For example, as per the account departments quality refers to the profit while for end-user user-friendly and bug-free are the parameters of the quality.
        What is the difference between Software Quality Assurance (SQA) and Software Quality Control (SQC)?

The difference between the two is as follows:

The processes in the Software Quality Assurance:
1.  Software development methodology.
2.  Project Management
3. Configuration Management
4. Requirements Development/Management
5. Estimation
6. Software Design
7. Testing, etc.
After implementing the processes, the following is done to ensure Quality assurance:
·      An analysis is made to find out the Weaknesses.
·        Processes are improved only when the weaknesses are worked upon.

The quality is leveled depending on the following popular standards although various other models are present:
     2. Six Sigma
          3. ISO 9000
In Software Quality Assurance, software is developed by continuously working on weaknesses and removing them to meet the specific requirements.
The basics of software quality control                                                                                                                                                                                                                                                                                                                                                                    
    • Requirement Review
    • Design Review
    • Code Review
    • Deployment Plan Review
    • Test Plan Review
    • Test Cases Review
The Reviews and Testing are the important phases required for the software development and it is done keeping the development of a specified product 

Monday, 16 November 2015

What is Verification in terms of Software Testing?

As the meaning of the word verification means to verify something. In software testing, it doesn’t mean something different. In it, verification makes sure that the user/customer will get the desired product (software) with its desired specifications (functionality).
ü It is a part of the software development cycle and it is done for the beginning of the development process by software tester.
ü Software Verification is a manual process i.e. testers do it manually or we can say that design and code are checked (verified) by testers manually.
ü For software verification, reviews, inspection, meetings and walkthrough are conducted for the assessment of the plans, codes, specifications and requirements.
ü It provides the solution of the question: are we developing  the product in a right manner?

Suppose you have a project of building a chair, then you will have a verification that it is strong or not, all the four legs are equal or not, if it is not so then the project is not developed in the right manner. Similar is the case with software project (product/application) to prevent it from failure due to any defect.

What does the Capability Maturity Model (CMMI) say about Verification in Software testing?
CMMI defines software verification as software evaluation process that finds whether a given development phase product can withstand the conditions imposed at the starting of that phase [IEEE-STD-610].

Benefits from Software Verification:
1. More Verification makes the software more accurate during development phase as it reduces the number of defects found.
2. More verification makes the software more stable.
3. Verification develops the product in a way that it withstands the customer requirements.

Approaches of Verification:
Software Verification follows basically two defined approaches:
1. Dynamic Verification - also known by the name of               Tests/Experimentation. Bugs are found out using this.
2. Static verification- the other name is Analysis. It proves the correctness of the application.

 Dynamic Verification:
It is dynamically done during software execution.
The tests are divided in the three categories namely,
1. When a single function or class is checked, it is called Test in small (or unit Test).
2. Test done on  the group of classes is called Test in large.
3. Test done for checking software acceptance is called Acceptance Test.
Static Verification:
In this code is checked for seeing whether software meets requirements or not.

In this measured data results and observed data results are compared with calculated expected values to see how much they withstand standard requirement.

Tuesday, 3 November 2015

How inspection is related to software testing?

When trained individuals evaluate the work for the defect using pre- defined process is known as inspection in software testing. The purpose of this review  is to maintain the quality standards,   enhance  the performance.                                                                                                                                                                                 The work is used in the project only when all the inspectors approved it. The following two comes under the inspection;
1. Software requirements specifications and
2. Test Plans.

In what way the inspection in software testing takes place?
The solution to this question, I would like to provide as firstly, a product is chosen for review then an inspection team is formed for completing the task. The meeting is moderated by the moderator. Each member of the team goes through the work product separately and note down each defect.

  In the process, incomplete work is not included for inspection.
The inspection process must be completed in the following stages:

1. Plan: It includes the comparison of data quality with the pre-defined standard. This plan is made by the moderator must contain the following  sub-stages:

(a) Header- mentions the criteria for entry   and set the limits for success.

(b) Meeting-Form the layout of plans for all the meeting.

(c)Document-It contains the part of the document under the process of inspection with  any other document that will act as the reference for the comparison.

(d) Participants –Brings the list of all the team members included in the inspection process.

(e) Doing an estimation: a budget approximation is made for  all the work.

(f) The inspectors keep the  record of the work completed.

2. Overview: It is the duty of the author to provide details of the work product like an overview, i.e. going through the surface of the work product.

3. Finding defects: Defects are noted by each inspector while they go through the entire work product.

4. A meeting between the reader and the inspector: As the reader reads the work product, the inspector makes aware of the defect in front part-by-part.

5. Improving the defectsThe author do rework on the product to remove all the defects counted by the inspector.

6.  The changes made by the author are checked to ensure that everything is correct.

Moderator closes the process when certain exit criteria are satisfied by it. A software project gets success only when it has gone through the inspection process.

Types of inspection:

1. Code review: This type of inspection is done to inspect a sample of code and fixes any defect in it.

Now the question arises, what is the defect in code review?

This defect can be in a module i.e. in a block of codes which is not functioning as required by the programmer and which is not incorrect but can be improved to make it more readable more understandable and easy.

The code review has dual advantage firstly for cross programmers on the code being reviewed and secondly it gives new techniques of programming to junior developers.

2. Peer Reviews: In this author examines the work product which may be a document, code, or other in order to make assessment  of its quality and technically fit content.                                                         

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