This chapter summary discusses software testing and evaluation. It covers comparing solutions to specifications, generating test data, different levels of testing, using live data, benchmarking, and quality assurance. Documentation and communication are important parts of reporting test results. Testing ensures software meets specifications and finds errors by using appropriate test data to check all parts of a program. Different levels of testing include unit, program, and system testing. Live data testing uses real data under real-life conditions. Benchmarking assesses performance against standards. Quality assurance procedures help ensure software meets criteria for correctness, reliability, efficiency, integrity, and maintainability.
Red Bend Software: Separation Using Type-1 Virtualization in Vehicles and Aut...Red Bend Software
Satish Varma from Red Bend Software presents at TI Tech Day Detroit 2013 on how to use Type-1 virtualization to consolidate hardware in automotive ECUs. Panelists included QNX Software Systems and Crank Software.
Software testing is the process of evaluation a software item to detect differences between given input and expected output. Also to assess the feature of A software item. Testing assesses the quality of the product. Software testing is a process that should be done during the development process. In other words software testing is a verification and validation process.
Software testing can also provide an objective, independent view of the software to allow the business to appreciate and understand the risks of software implementation. Test techniques include, but are not limited to the process of executing a program or application with the intent of finding software bugs (errors or other defects).
Software testing can be stated as the process of validating and verifying that a computer program/application/product:
• meets the requirements that guided its design and development,
• works as expected,
• can be implemented with the same characteristics,
• and satisfies the needs of stakeholders.
Software Development Process Cycle:-
PLAN (P): Device a plan. Define your objective and determine the strategy and supporting methods required to achieve that objective.
DO (D): Execute the plan. Create the conditions and perform the necessary training to execute the plan.
CHECK (C): Check the results. Check to determine whether work is progressing according to the plan and whether the results are obtained.
ACTION (A): Take the necessary and appropriate action if checkup reveals that the work is not being performed according to plan or not as anticipated.
Demystifying Security Root of Trust Approaches for IoT/Embedded - SFO17-304Linaro
Session ID: SFO17-304
Session Name: Demystifying Security Root of Trust Approaches for IoT/Embedded
- SFO17-304
Speaker: Suresh Marisetty
Track: LHG,LITE,Security
★ Session Summary ★
The current trend of IoT market segment is expected to enable and deploy about 50 billion connected devices by year 2020. IoT devices will be deployed across the board to cater to multiple use cases like Home/building Automation, Automotive, a highly fragmented embedded segment: gateways, set top boxes, security cameras, industrial automation, digital signage, healthcare, etc. This trend will bring about a great challenge of securing the connected end point IoT devices from a myriad of physical and remote attacks ex: DDOS Mirai botnet launched through IoT devices like digital cameras and DVR players
Problem Statement: Each use cases has its own IoT device constraints like: Cost, Power, Performance, memory footprint, security objectives, etc. The fundamental basis for any secure IoT and Embedded solution is the Root of Trust (RoT), which provides assurance of the integrity of the system software from: boot and runtime firmware, to OS loader, to the Kernel, to the user Applications. This poses a serious issue and challenges the one-size fits all RoT solution model.
ARM has taken on this challenge head on to come up with a microcontroller security architecture solution that caters to the various IoT devices constraints, by offering ARM Cortex-M family of processors. ARM’s flexible and scalable architecture solution will allow an OEM or Silicon partner to adapt the base security architecture and to extend it in a seamless way. This caters to the requirements of different market segments through add-on hardware, firmware and software security enhancements.
The session will present the ARM’s base security system and software architecture based on the upcoming Cortex V8M solution that will provide a hardware and firmware assisted Trust Zone based Security RoT aka TBSA-M for a range of markets, to include the highly constrained IoT devices. Furthermore, the session will discuss about how the base RoT capability can be extended in a seamless way with additional hardware assisted mechanisms to offer high levels of functionality and/or robustness for less constrained IoT devises with options like TBSA-M+, TBSA-HSM and platform level security software abstraction framework to decouple the chosen RoT capability for various OSes and the Cloud security frameworks.
---------------------------------------------------
★ Resources ★
Event Page: http://connect.linaro.org/resource/sfo17/sfo17-304/
Presentation:
Video: https://www.youtube.com/watch?v=aIwmRXFOshs
---------------------------------------------------
★ Event Details ★
Linaro Connect San Francisco 2017 (SFO17)
25-29 September 2017
Hyatt Regency San Francisco Airport
In this presentation, you will learn various aspects of ad hoc testing such as its characteristics, scenarios in which ad hoc testing is not recommended, ad hoc testing advantages and disadvantages.
YouTube Link: https://youtu.be/eiqh4hdRNxw
(** Test Automation Masters Program: https://www.edureka.co/masters-program/automation-testing-engineer-training **)
This Edureka PPT on "What is Sanity Testing?" will help you get in-depth knowledge on sanity testing and how sanity testing helps find bugs in the early stages of testing.
Types of Software Testing
What is Sanity Testing?
How to do Sanity Testing?
Advantages of Sanity Testing
Smoke Testing vs Sanity Testing
Follow us to never miss an update in the future.
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LinkedIn: https://www.linkedin.com/company/edureka
Castbox: https://castbox.fm/networks/505?country=in
Red Bend Software: Separation Using Type-1 Virtualization in Vehicles and Aut...Red Bend Software
Satish Varma from Red Bend Software presents at TI Tech Day Detroit 2013 on how to use Type-1 virtualization to consolidate hardware in automotive ECUs. Panelists included QNX Software Systems and Crank Software.
Software testing is the process of evaluation a software item to detect differences between given input and expected output. Also to assess the feature of A software item. Testing assesses the quality of the product. Software testing is a process that should be done during the development process. In other words software testing is a verification and validation process.
Software testing can also provide an objective, independent view of the software to allow the business to appreciate and understand the risks of software implementation. Test techniques include, but are not limited to the process of executing a program or application with the intent of finding software bugs (errors or other defects).
Software testing can be stated as the process of validating and verifying that a computer program/application/product:
• meets the requirements that guided its design and development,
• works as expected,
• can be implemented with the same characteristics,
• and satisfies the needs of stakeholders.
Software Development Process Cycle:-
PLAN (P): Device a plan. Define your objective and determine the strategy and supporting methods required to achieve that objective.
DO (D): Execute the plan. Create the conditions and perform the necessary training to execute the plan.
CHECK (C): Check the results. Check to determine whether work is progressing according to the plan and whether the results are obtained.
ACTION (A): Take the necessary and appropriate action if checkup reveals that the work is not being performed according to plan or not as anticipated.
Demystifying Security Root of Trust Approaches for IoT/Embedded - SFO17-304Linaro
Session ID: SFO17-304
Session Name: Demystifying Security Root of Trust Approaches for IoT/Embedded
- SFO17-304
Speaker: Suresh Marisetty
Track: LHG,LITE,Security
★ Session Summary ★
The current trend of IoT market segment is expected to enable and deploy about 50 billion connected devices by year 2020. IoT devices will be deployed across the board to cater to multiple use cases like Home/building Automation, Automotive, a highly fragmented embedded segment: gateways, set top boxes, security cameras, industrial automation, digital signage, healthcare, etc. This trend will bring about a great challenge of securing the connected end point IoT devices from a myriad of physical and remote attacks ex: DDOS Mirai botnet launched through IoT devices like digital cameras and DVR players
Problem Statement: Each use cases has its own IoT device constraints like: Cost, Power, Performance, memory footprint, security objectives, etc. The fundamental basis for any secure IoT and Embedded solution is the Root of Trust (RoT), which provides assurance of the integrity of the system software from: boot and runtime firmware, to OS loader, to the Kernel, to the user Applications. This poses a serious issue and challenges the one-size fits all RoT solution model.
ARM has taken on this challenge head on to come up with a microcontroller security architecture solution that caters to the various IoT devices constraints, by offering ARM Cortex-M family of processors. ARM’s flexible and scalable architecture solution will allow an OEM or Silicon partner to adapt the base security architecture and to extend it in a seamless way. This caters to the requirements of different market segments through add-on hardware, firmware and software security enhancements.
The session will present the ARM’s base security system and software architecture based on the upcoming Cortex V8M solution that will provide a hardware and firmware assisted Trust Zone based Security RoT aka TBSA-M for a range of markets, to include the highly constrained IoT devices. Furthermore, the session will discuss about how the base RoT capability can be extended in a seamless way with additional hardware assisted mechanisms to offer high levels of functionality and/or robustness for less constrained IoT devises with options like TBSA-M+, TBSA-HSM and platform level security software abstraction framework to decouple the chosen RoT capability for various OSes and the Cloud security frameworks.
---------------------------------------------------
★ Resources ★
Event Page: http://connect.linaro.org/resource/sfo17/sfo17-304/
Presentation:
Video: https://www.youtube.com/watch?v=aIwmRXFOshs
---------------------------------------------------
★ Event Details ★
Linaro Connect San Francisco 2017 (SFO17)
25-29 September 2017
Hyatt Regency San Francisco Airport
In this presentation, you will learn various aspects of ad hoc testing such as its characteristics, scenarios in which ad hoc testing is not recommended, ad hoc testing advantages and disadvantages.
YouTube Link: https://youtu.be/eiqh4hdRNxw
(** Test Automation Masters Program: https://www.edureka.co/masters-program/automation-testing-engineer-training **)
This Edureka PPT on "What is Sanity Testing?" will help you get in-depth knowledge on sanity testing and how sanity testing helps find bugs in the early stages of testing.
Types of Software Testing
What is Sanity Testing?
How to do Sanity Testing?
Advantages of Sanity Testing
Smoke Testing vs Sanity Testing
Follow us to never miss an update in the future.
YouTube: https://www.youtube.com/user/edurekaIN
Instagram: https://www.instagram.com/edureka_learning/
Facebook: https://www.facebook.com/edurekaIN/
Twitter: https://twitter.com/edurekain
LinkedIn: https://www.linkedin.com/company/edureka
Castbox: https://castbox.fm/networks/505?country=in
A workshop to demonstrate how we can write unit tests in python, and how we can refactor jupyter notebooks to be modular and tested.
Code: https://github.com/davified/unit-testing-workshop
The rise of DevOps and the increase in developer-QA collaboration has led to the introduction of new testing frameworks such as Espresso and XCUITest.
Join us and learn how organizations are improving pipeline efficiency by adding Espresso to their CI process as well as learn the basic concepts of instrumented test tools such as Espresso and XCUITest. This webinar will cover:
-Latest market trends causing this shift and why organizations are moving from Appium to Espresso
-For each framework (Espresso, XCUITest and Appium), we will cover:
-Characteristics
-Technology/Architecture
-Pros & Cons
-Demo of Espresso
about mutation testing and demonstration of muJava. muJava is automated tool for mutation testing of java programs. It tests the test cases. hence good to enhance and checking effectiveness of your test suites.
Not long ago, testing Ajax components meant play-testing a page by hand. Today, there are a growing number of tools we can use to simplify and automate Ajax testing.
In this session we will cover when to test, what to test and how to test Ajax components. You learn how to create automatic tests with various tools, including YUI Test, and OpenQA Selenium, and how to use Ajax testing tools with IDEs and Continuous Integration systems.
In this session, you will learn:
* When, where and how to test Ajax components;
* How to create automatic tests with various tools;
* How to use Ajax testing tools with IDEs and Continuous Integration systems.
Windows Tools is a folder in the Windows 11 Control Panel. Administrative Tools is a folder in the Windows 10 Control Panel. These folders contain tools for system administrators and advanced users.
System tools in computer like disk check, disk defragmenter, etc help in aforementioned system maintenance. It is practically impossible for administrators to manually perform these maintenance activities on individual computers.
Find Classic System Tools in Windows 10
But when it comes to the classic Control Panel, you can get to it by simply hitting the Windows Key and type: cpl and hit Enter or choose the Control Panel option from the top results. Or, you can type the same thing in the Search box on the taskbar.
Angelo Compagnucci - Upgrading buildroot based devices with swupdatelinuxlab_conf
This talk will guide you through the perils of building a resilient software stack for embedded system using buildroot as a base, stuff your software in between and adding swupdate as cherry on top! The talk will be composed by three main areas:
How to use buildroot as a base system for your stack
An introduction to swupdate and it’s fields of use
An example of using buildroot + swupdate to update your stack.
In the first we will talk about using buildroot as base for your software and how to add your software around. Buildroot make really easy to build a complete firmware image when using the standard configurations provided by the software but it could be cumbersome if you want to add your software in simple, easy and automated way. So we will show you how to write a simple makefile to add your software as an external component and how to automate the process of compiling everything to produce your binary artifacts.
The second part will discuss about swupdate and it’s field of use. Swupdate provides several ways of use: it can be used in a simple way, it could be integrated to do A/B updates, it could be used via network or locally using a medium. We will discuss about the possibility of approaches of system updates and how swupdate can satisfy each one of the use cases.
The third phase will show you a real approach adopted to solve a specific use cause with the hope it can be used a reference for auditor specific needs.
Java Test Automation for REST, Web and MobileElias Nogueira
Presentation about how to use REST, Web and Mobile open source tools to increase your test codebase.
This presentation was made by me and Edson Yanaga for JavaOne 2017 San Francisco on 04/09/2017
A workshop to demonstrate how we can write unit tests in python, and how we can refactor jupyter notebooks to be modular and tested.
Code: https://github.com/davified/unit-testing-workshop
The rise of DevOps and the increase in developer-QA collaboration has led to the introduction of new testing frameworks such as Espresso and XCUITest.
Join us and learn how organizations are improving pipeline efficiency by adding Espresso to their CI process as well as learn the basic concepts of instrumented test tools such as Espresso and XCUITest. This webinar will cover:
-Latest market trends causing this shift and why organizations are moving from Appium to Espresso
-For each framework (Espresso, XCUITest and Appium), we will cover:
-Characteristics
-Technology/Architecture
-Pros & Cons
-Demo of Espresso
about mutation testing and demonstration of muJava. muJava is automated tool for mutation testing of java programs. It tests the test cases. hence good to enhance and checking effectiveness of your test suites.
Not long ago, testing Ajax components meant play-testing a page by hand. Today, there are a growing number of tools we can use to simplify and automate Ajax testing.
In this session we will cover when to test, what to test and how to test Ajax components. You learn how to create automatic tests with various tools, including YUI Test, and OpenQA Selenium, and how to use Ajax testing tools with IDEs and Continuous Integration systems.
In this session, you will learn:
* When, where and how to test Ajax components;
* How to create automatic tests with various tools;
* How to use Ajax testing tools with IDEs and Continuous Integration systems.
Windows Tools is a folder in the Windows 11 Control Panel. Administrative Tools is a folder in the Windows 10 Control Panel. These folders contain tools for system administrators and advanced users.
System tools in computer like disk check, disk defragmenter, etc help in aforementioned system maintenance. It is practically impossible for administrators to manually perform these maintenance activities on individual computers.
Find Classic System Tools in Windows 10
But when it comes to the classic Control Panel, you can get to it by simply hitting the Windows Key and type: cpl and hit Enter or choose the Control Panel option from the top results. Or, you can type the same thing in the Search box on the taskbar.
Angelo Compagnucci - Upgrading buildroot based devices with swupdatelinuxlab_conf
This talk will guide you through the perils of building a resilient software stack for embedded system using buildroot as a base, stuff your software in between and adding swupdate as cherry on top! The talk will be composed by three main areas:
How to use buildroot as a base system for your stack
An introduction to swupdate and it’s fields of use
An example of using buildroot + swupdate to update your stack.
In the first we will talk about using buildroot as base for your software and how to add your software around. Buildroot make really easy to build a complete firmware image when using the standard configurations provided by the software but it could be cumbersome if you want to add your software in simple, easy and automated way. So we will show you how to write a simple makefile to add your software as an external component and how to automate the process of compiling everything to produce your binary artifacts.
The second part will discuss about swupdate and it’s field of use. Swupdate provides several ways of use: it can be used in a simple way, it could be integrated to do A/B updates, it could be used via network or locally using a medium. We will discuss about the possibility of approaches of system updates and how swupdate can satisfy each one of the use cases.
The third phase will show you a real approach adopted to solve a specific use cause with the hope it can be used a reference for auditor specific needs.
Java Test Automation for REST, Web and MobileElias Nogueira
Presentation about how to use REST, Web and Mobile open source tools to increase your test codebase.
This presentation was made by me and Edson Yanaga for JavaOne 2017 San Francisco on 04/09/2017
Software Testing
Different Types of Software Testing
Verification
Validation
Unit Testing
Beta Testing
Alpha Testing
Black Box Testing
White Box testing
Error
Bug
Software Testing :
It is the process used to identify the correctness, completeness and quality of developed computer software.
It is the process of executing a program/application under positive and negative conditions by manual or automated means. It checks for the :-
Specification
Functionality
Performance
This is the power point presentation on Software Testing. Software Testing is the process of finding error or bug in the developed software product based on the client requirement.
This power point presentation give the basic knowledge about the software testing.
Learn more at blog : --
https://solutionbyexpert.blogspot.com/2020/08/become-expert-secret-of-success-ii.html
for mathematics classes visit the below link ---
https://www.youtube.com/watch?v=g07wTZYYzKo&t=188s
https://www.youtube.com/watch?v=KleKFXSXGPY&t=853s
for physics classes visit the below link --
https://www.youtube.com/watch?v=6ha1sxMy4mU
https://www.youtube.com/watch?v=2k5uI6Gm-8Y
our facebook link --
https://www.facebook.com/Online-Smart-Classes-108395901487258
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Interview questions for manual testing technology.Vinay Agnihotri
INTERVIEW QUESTIONS FOR MANUAL TESTING. THERE IS SOME IMPORTANT MANUAL TESTING INTERVIEW QUESTION WHICH IS VERY HELPFULL FOR FRESHERS AND EXPERIENCE CANDIDATE.
Neuro-symbolic is not enough, we need neuro-*semantic*Frank van Harmelen
Neuro-symbolic (NeSy) AI is on the rise. However, simply machine learning on just any symbolic structure is not sufficient to really harvest the gains of NeSy. These will only be gained when the symbolic structures have an actual semantics. I give an operational definition of semantics as “predictable inference”.
All of this illustrated with link prediction over knowledge graphs, but the argument is general.
JMeter webinar - integration with InfluxDB and GrafanaRTTS
Watch this recorded webinar about real-time monitoring of application performance. See how to integrate Apache JMeter, the open-source leader in performance testing, with InfluxDB, the open-source time-series database, and Grafana, the open-source analytics and visualization application.
In this webinar, we will review the benefits of leveraging InfluxDB and Grafana when executing load tests and demonstrate how these tools are used to visualize performance metrics.
Length: 30 minutes
Session Overview
-------------------------------------------
During this webinar, we will cover the following topics while demonstrating the integrations of JMeter, InfluxDB and Grafana:
- What out-of-the-box solutions are available for real-time monitoring JMeter tests?
- What are the benefits of integrating InfluxDB and Grafana into the load testing stack?
- Which features are provided by Grafana?
- Demonstration of InfluxDB and Grafana using a practice web application
To view the webinar recording, go to:
https://www.rttsweb.com/jmeter-integration-webinar
UiPath Test Automation using UiPath Test Suite series, part 4DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 4. In this session, we will cover Test Manager overview along with SAP heatmap.
The UiPath Test Manager overview with SAP heatmap webinar offers a concise yet comprehensive exploration of the role of a Test Manager within SAP environments, coupled with the utilization of heatmaps for effective testing strategies.
Participants will gain insights into the responsibilities, challenges, and best practices associated with test management in SAP projects. Additionally, the webinar delves into the significance of heatmaps as a visual aid for identifying testing priorities, areas of risk, and resource allocation within SAP landscapes. Through this session, attendees can expect to enhance their understanding of test management principles while learning practical approaches to optimize testing processes in SAP environments using heatmap visualization techniques
What will you get from this session?
1. Insights into SAP testing best practices
2. Heatmap utilization for testing
3. Optimization of testing processes
4. Demo
Topics covered:
Execution from the test manager
Orchestrator execution result
Defect reporting
SAP heatmap example with demo
Speaker:
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
Key Trends Shaping the Future of Infrastructure.pdfCheryl Hung
Keynote at DIGIT West Expo, Glasgow on 29 May 2024.
Cheryl Hung, ochery.com
Sr Director, Infrastructure Ecosystem, Arm.
The key trends across hardware, cloud and open-source; exploring how these areas are likely to mature and develop over the short and long-term, and then considering how organisations can position themselves to adapt and thrive.
Transcript: Selling digital books in 2024: Insights from industry leaders - T...BookNet Canada
The publishing industry has been selling digital audiobooks and ebooks for over a decade and has found its groove. What’s changed? What has stayed the same? Where do we go from here? Join a group of leading sales peers from across the industry for a conversation about the lessons learned since the popularization of digital books, best practices, digital book supply chain management, and more.
Link to video recording: https://bnctechforum.ca/sessions/selling-digital-books-in-2024-insights-from-industry-leaders/
Presented by BookNet Canada on May 28, 2024, with support from the Department of Canadian Heritage.
Let's dive deeper into the world of ODC! Ricardo Alves (OutSystems) will join us to tell all about the new Data Fabric. After that, Sezen de Bruijn (OutSystems) will get into the details on how to best design a sturdy architecture within ODC.
Kubernetes & AI - Beauty and the Beast !?! @KCD Istanbul 2024Tobias Schneck
As AI technology is pushing into IT I was wondering myself, as an “infrastructure container kubernetes guy”, how get this fancy AI technology get managed from an infrastructure operational view? Is it possible to apply our lovely cloud native principals as well? What benefit’s both technologies could bring to each other?
Let me take this questions and provide you a short journey through existing deployment models and use cases for AI software. On practical examples, we discuss what cloud/on-premise strategy we may need for applying it to our own infrastructure to get it to work from an enterprise perspective. I want to give an overview about infrastructure requirements and technologies, what could be beneficial or limiting your AI use cases in an enterprise environment. An interactive Demo will give you some insides, what approaches I got already working for real.
Smart TV Buyer Insights Survey 2024 by 91mobiles.pdf91mobiles
91mobiles recently conducted a Smart TV Buyer Insights Survey in which we asked over 3,000 respondents about the TV they own, aspects they look at on a new TV, and their TV buying preferences.
2. Contents
Testing the Software
Comparison of the Solution with the original Design
Specification
Generating relevant Test Data for Complex Solutions
Levels of Testing
Live Test Data
Benchmarking
Quality Assurance
Reporting on the Testing Process
Documentation
Communication
3. Testing the Software Solution
Testing is carried out to find errors
Software developers must continually ensure that the original specifications
are being met in the software product being developed
Construction of appropriate test data and adequate testing prevents the
occurrence of major problems in the finished program that are expensive to
fix.
Test data must be sufficient to ensure the program is completely operational
and free of logic errors.
Test data must be constructed to test every part of a program, including the
mainline of the program and any modules used by the program.
4. What should be tested?
Test data should test
All parts of the program
Each path of execution - test data should be sufficient to test the
termination and correct exit of each loop. To test each path in nested If
statement / CASE structure.
Boundary conditions - the values of variables or expressions that
determine the choice of available options to be taken. example
At the very minimum to execution paths should always be tested rather than
boundary conditions. Large programs should be tested using other testing
mechanisms.
Testing should include :Unit testing, program testing and system testing
5. Unit or Module Testing
Structured programming results in modules, each of which can be tested individually
Subprograms can be tested as a black box where data is entered and results are shown.
In black box testing, only the inputs and outputs are checked. The processes that achieve
these results are ignored.
Subprograms can also be tested as a white box where the algorithm of the subprogram is
understood and each path of execution can be tested appropriately.
White box testing examines all the data paths in a module.
A driver program may be developed to test modules in a program. The driver substitutes for
the main program, calling the subprogram and supplying the necessary values for any
variables.
A driver is a temporary section of code that is created to test an individual procedure or
module by calling it up and executing it.
6. Program Testing
It is a minimum requirement that the test data tests each logical pathway and program
branch that can be entered.
All modules are called and executed at least once or when expected
This way, the entire program can be completely tested.
Screen elements such as menus and buttons must be tested to ensure they are
functioning correctly.
7. System Testing
During system testing, the program is tested in a variety of operating environments.
The software may function in the development system or a controlled environment
however, when implemented on the users computer, problems may arise.
The effect of hardware, operating systems and other software may create errors that
have not been previously detected.
System testing is carried out to detect errors at the software / hardware interface,
Carried out by users rather than developers. System tests treat the program as a black
box.
8. Live Test Data
Live data is real data, used to ensure that a program works under real-life
conditions.
Real data is supplied by the client or can be generated by CASE tools.
Stress testing involves increasing the load on a program in an attempt to make it fail.
Live Test Data should include:
Larger File Sizes
Mix of Transaction Types
Response Times
Volume data
Interfaces between Modules
Comparison with Program Test Data
9. Live data is used to ensure that the system response times are appropriate. Response times
are dependent on all the system components, together with their interactions with each other
and other processes that may be occurring concurrently. Response times should be tested
on minimum hardware using typical data of different types.
Interface tests will ensure that the correct numbers of parameters are sent to and from the
module and that the format is correct. Interface tests will also detect conflicts between local
and global variables.
A variety of different transaction types and sequences of data entry should be tested with live
data. Module and program testing usually involve testing specific transactions or processes
one at a time. During system testing, transactions occur in random order and checked to see
if any errors arise
Software developers generate test data to test the limits of the system that may not be tested
under normal use. (to ensure the system has scalability)
A program developed to access files should be tested with a range of file types and sizes.
The use of large files will highlight problems associated with data access.
10. Benchmarking
A benchmark is a standard against which performance of a computer program can be
assessed against expected outcomes and other similar products on the market.
Established programs are often used as a benchmark to indicate the quality and
performance expectations of a new product.
Benchmarks allow users of software products to make informed purchasing decisions
11. Quality Assurance
Quality Assurance is a set of procedures used to certify that a generated product meets specified
criteria with respect to quality and reliability.
Correctness - Does it do what it is supposed to do?
Reliability - Does it do it all of the time?
Efficiency - Does it do it the best way possible?
Integrity - Is it secure?
Maintainability - Can it be understood?
(CREIM)
Quality Assurance is not just about testing a product once it has been completed. Its about
periodically performing inspections, reviews and tests on the system being developed.
Quality assurance techniques should be implemented throughout the software development
process.
12. Alpha & Beta Testing
Alpha Testing
Testing of the final solution by personnel within the software
development company prior to the product’s release.
The client uses the system in a controlled environment and checks to see
if it meets their requirements.
Beta Testing(Acceptance Testing)
Testing of the final solution by a limited number of users outside the
software development company using real world data and conditions.
The program is given to a number of potential clients who will also report
to the developers any problems they encounter in the program.
13. Reporting on the Testing Process
Required Documentation
A test data table should be created to show the test data to be used
and the reason why this item of test data was selected.
Test requirements - What needs to be tested?
Test plan - How do we implement these tests?
Test data and expected results - What are the necessary inputs and
the expected outputs?
Test results - Do the actual results match the expected results?
Recommendations - What needs to be done now
14. A desk-check table is used to document the test data
used and compare the expected output with the actual
output of the algorithm or program.
CASE Tools that aid in the testing process:
Tools to generate or acquire data to be used during
testing
Tools that analyse the source code
Simulation tools to mimic the roles of hardware or
other software that interacts with the program
15. Communication
Independent testers are less likely to approach the program with
preconceptions.
It is essential that the user is provided with the opportunity to evaluate the
solution that has been developed.
Results of the testing provides an opportunity for the users to evaluate and
discuss the functionality of the new system.
Alpha and Beta testing help to provide users with the opportunity to use the
program.
After the customer has approved a program, it can be released to the general
market.
17. Boundary Conditions
CASEWHERE age is
<=3: output “Too young for school”
<=18: output “Could be at school”
OTHERWISE: output “Too old for school”
ENDCASE
An appropriate set of data could therefore be
2 3 18 20.
Back