Phases of software testing life cycle - IStudio Technologies

Phases of software testing life cycle


A software release can be confidently released thanks to the software testing life cycle. Through a sequence of tasks that start with validation and move on through creativity, design, and execution, the STLC provides that assurance. In its way, each STLC step aids in producing high-quality software releases. Similar to this, each step of the STLC process has distinct objectives and deliverables designed to find flaws and maximize test coverage.

Key phases in Software testing life cycle

  • Requirement analysis
  • Test planning
  • Test case design and development
  • Test environment setup
  • Test execution
  • Test cycle closure

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Requirement analysis

Software requirements, which outline what the business wants from the project, are typically the first step in a development venture. High-level business needs, architectural specifications outlining how a feature will be built and supported, and specific system specifications upon which developers will base their work are frequently included in software requirements. Functional and non-functional requirements for systems offer testing and validation opportunities.
Requirement analysis - IStudio Technologies
Testers collaborate cross-functionally and within their teams during this STLC phase to contextualize how they will test the program. The requirement analysis process frequently involves brainstorming meetings, locating any gaps in the requirements or areas of uncertainty, and prioritizing individual evaluations.

Test Planning

The second STLC phase is crucial since it directs much of the subsequent work. Test planning transforms the revelations made during requirements or product analysis into a written QA strategy.
The test team leadership will decide how we will use resources and efforts to review the release. The final test plan paperwork keeps everyone informed about how the testing job will start, including testers and other departments. This strategy is especially useful if other team members, such as developers who run unit tests and provide hotfixes, assist with testing and fixing bugs.

The test plan specifies the scope, objectives, types of functional and non-functional tests (both automated and human), and information about the test environments, among other aspects of the quality assurance (QA) work. Test management establishes the tasks’ roles and deadlines when these specifics have been decided. After completing the Software Testing Life Cycle phases, the testing team can decide what deliverables to provide.

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Test case design and development - IStudio Technologies

Test case design and development

Testers can start writing and creating specific test cases once the test plan is in place. The QA team develops the specifics of the structured tests they will execute during this STLC phase, including any test data they will need to support those tests. Testers can use their expertise and imagination to accomplish this task, even if tests must eventually validate the regions specified by requirements.
The tester’s objective while developing test cases should be to check functionality within the specified time and scope, especially essential functionality. Test cases should be easy to understand by all team members while also being distinctive from other test cases. A traceability matrix can be utilized to track coverage, and test cases should try to cover all of the criteria in the specifications document completely. Since developers will always add new functionality to the product over time, necessitating the need for tests to be repeated, test cases must be recognizable and repeatable. Furthermore, they must avoid changing the test environment for upcoming tests, particularly while validating setups.
Test cases may eventually need maintenance or modifications to verify new and existing functionality. At this STLC stage, this work is also being done.
A test team lead or peer can review test cases once they are finished. At this STLC level, they might also examine and update automated test scripts. In the end, the team sets priorities and groups these test cases into test suites that execute later.

Test environment setup

The test environment provides the setting where the actual testing occurs. This stage of the STLC is critical and necessitates assistance from other team members. Access to bug reporting tools and the application architecture needed to support the product must be available to testers. Testers might not be able to execute their work without these components.
When everything is prepared, testers set the test environment’s specifications, including the network, frameworks, configurations, test data, and software. Depending on the test case’s requirements, testers modify various environment parameters during this STLC step. For instance, the test environment might consider that the bulk of a product’s consumers might be using Android smartphones, a particular Chrome browser version, and devices with a specific amount of processing power.
In these test environments, smoke tests offer a very early and basic assessment to see if the product is prepared for more extensive testing. The deliverable for this STLC phase includes the smoke tests performed against the builds.

Once you've established your testing priorities, we can assist you in deciding the testing's scope and timescales, or we can follow your guidelines.

Test execution

It’s time to test the product in the software testing life cycle fully. Testers run all the test cases at this STLC stage or as many as possible in the allocated time. QA experts and automated scripts carry out numerous functional and non-functional tests.
In this phase of the STLC, testers will track the system’s performance about its requirements and record any complex problems resulting from test case execution.
Test execution - IStudio Technologies
Testers frequently evaluate the product after developers make improvements to ensure no new flaws emerge. It’s crucial to use test automation wherever it’s practical to accomplish the test coverage and velocity you require as more tests are added throughout the STLC phase of test execution.

Test cycle closure

Test cycle closure is the final part of the STLC. A test closure report, which communicates the testing team’s results to the rest of the team, is provided at this step. The manager’s approval and summaries of the testing effort and findings are normally included in this report.
The testing team reviews their deliverables, which include information pertinent to the testing process, such as the test strategy, test case documentation, automated test scripts, and test results, during the test cycle closure. Following that, the team will finish and close incident reports, which describe any unusual or unexpected behavior that was noticed by the test team while conducting testing. The team must also save the environments, tools, and scripts used during testing for future usage.


Testing with Applause provides more testing options, such as testing on various devices and in various locations, allowing you to concentrate on the testing itself rather than the testing process. Applause can raise critical strategic QA questions early in the STLC to guide manual, or automated QA approaches.

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