DevOps

DevOps Testing is a software testing method, which uses the integration of Development and Operations, following an Agile process to test and deliver various applications/products faster.

 

Business Benefits of DevOps

The following are commercial advantages of adopting a DevOps culture:

  • Faster time-to-market/delivery times that increases ROI
  • Improved collaboration between Business, Development, Testing and Operations teams
  • Stable and reliable operating environments
  • Early detection of defects help to fix these before deploying to the production environment
  • Continuous Release (CR), Continuous Deployment (CD), Continuous Integration (CI), Continuous Testing (CT), and Continuous Monitoring (CM)

 

Key Trending Factors for DevOps Continuous Testing

  • Rise in demand for developing, integrating and deploying cloud-based applications
  • Rise in demand for deploying the applications across different platforms parallel
  • Rise in heterogeneous IT Infrastructure with a mix of Physical, Virtual and Containerized Environments (i.e. via Docker)
  • Rise in need and demand for automation and continuous quality monitoring

 

Key Factors for Effective DevOps Continuous Testing

  • Gathering business requirements: in CT, testing is done during the development cycle, so that QA can test early and frequently. This infers that QA must work closely with product owners so as to eliminate ambiguity related to the understanding of user stories.
  • Agility should be developed between development and testing. Testers should be paired with the developers to ensure testing is done at unit-level, thus eliminating bugs/defects early.

At Test Triangle, by following the DevOps Testing approach, we emphasize faster time-to-market: our ISTQB-certified testing experts have in-depth experience in CI testing, coupled with the ability to use a rich set of CI, CD, and Test Automation Tools.

 

DevOps Shift Left Testing to Increase Software Quality

The Shift Left approach to testing begins way ahead in the software development process and continues throughout, critical to innovative technology testing and get rapid deployment.

Combining Agile and DevOps, the testing is done on a continuous basis (i.e. continuous testing, continuous development and continuous deployment), ahead of development. This facilitates keeping track of quality metrics on a regular basis right from the start.

Advantages of Shift Left Testing:

  • Preventative Bug resolution: testing starts at the beginning of the development process - as a result, software is inspected and reviewed right from the beginning, effectively helping with early bug identification and resolution.
  • Effective use of Time and Resources: as testers and developers work in unison, bug detection and resolution are done early, increasing resource utilization efficiency.
  • Increase in Test coverage: as the QA starts testing the application from the start of development, there is a huge increase in the test coverage area of all features being developed.
  • Increased Communication/Collaboration: using Shift Left, testers get involved right from the beginning of the development lifecycle. This increases collaboration/communication between testers and developers, resulting in effective testing and software delivery.

At Test Triangle, we constantly emphasize a Shift Left approach, making sure that applications are tested and delivered early to the market.

 

Our Adoption of DevOps Testing Trends

Early Detection and Early Resolution (EDER) enables defect rectification by the time the application reaches the market. It is a part of the DevOps methodology which Test Triangle follows stringently.

DevOps is considered a cultural shift wherein the Testers, Developers and Operations teams work as a single team.

Testing and Development happens in parallel and there is an increased need for CT and Continuous Delivery, thus reducing the cost of application development and testing dramatically.

 

Our DevOps Testing Metrics

At Test Triangle, we typically capture the following metrics:

  • Frequency of Code Deployment
  • Change Tracking
  • Lead Time Tracking i.e. the time taken to develop, test and deploy to the customer environments
  • Deployment Failures
  • Performance Metrics

DevOps metrics enable system admins, developers, and testers to remain updated with the software application’s key performance metrics like uptime, load time, API calls, CPU processes, memory usage, and various other components that ensure a stable experience for the end user.

 

Our DevOps Success Metrics

DevOps is gaining popularity because it has the ability to deliver software faster, with fewer defects and faster resolution of problems. Some key representative metrics which we follow are:

  • Deployment Speed
  • Mean Time to Fix Failed Releases
  • Release Frequency
  • Measuring Lead Time between Development and Deployment
  • Sprint Velocity
  • Production Outages
  • Defect Rate in Production
  • Mean Time to Recovery
  • Deployment Rollbacks
  • Success Rate of Deployments

 

Our DevOps Testing Approach

At Test Triangle, we apply DevOps Testing by adhering to the following:

  • Involve development teams during test design phase
  • Identify critical test cases and prepare the test suite to test the functionality of the required build
  • Standardization of testing environments required for testing and automation of deployments
  • Follow Test-Driven Development (TDD) and Behavior-Driven Development (BDD) approaches
  • Short and quick test execution cycles
  • Automation of regression tests to run in parallel across different environments
  • Ensure complete code coverage through code analysis and code coverage tools
  • Bugs found are reported, fixed and tested before the code is deployed onto the production environment

 

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