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<p>Data is powerful. Businesses globally adopt data-driven techniques to make highly informed and mindful decisions. Creating a culture of relying on data adds immense value and lets us interpret data into real, actionable insights. But more than anything, data offers clarity. According to <a href="https://www.ciodive.com/news/data-driven-companies-revenue-coronavirus-covid19/578159/" target="_blank" rel="noreferrer noopener nofollow">CIO Dive</a>, data-driven organizations have at least a 58 percent of chance to meet their revenue goals in comparison to non-data-driven organizations. But we are here to talk about how you can leverage data to understand how much testing is enough for your application.</p>



<p>We&#8217;ve all heard of <a aria-label=" (opens in a new tab)" href="https://testsigma.com/automated-data-driven-testing" target="_blank" rel="noreferrer noopener">data driven testing </a>and its benefits. But, some data-driven techniques can help us understand if we&#8217;ve carried out sufficient testing. </p>



<p>Based on that, we can discover if and when our products are ready for launch. This article will discuss those data-driven techniques and how we can achieve software reliability using them.&nbsp;</p>



<div id="toc_container" class="no_bullets"><p class="toc_title">Table Of Contents</p><ul class="toc_list"><li><a href="#How_Much_Testing_is_Enough"><span class="toc_number toc_depth_1">1</span> How Much Testing is Enough?</a><ul><li><a href="#Ask_the_Right_Question"><span class="toc_number toc_depth_2">1.1</span> Ask the Right Question</a></li><li><a href="#Define_Your_Project_and_Testing_Requirements"><span class="toc_number toc_depth_2">1.2</span> Define Your Project and Testing Requirements</a></li><li><a href="#Do_Not_Trap_Yourself_In_Is_it_Enough_Question"><span class="toc_number toc_depth_2">1.3</span> Do Not Trap Yourself In ‘Is it Enough’ Question</a></li><li><a href="#Understand_the_Testing_Scope"><span class="toc_number toc_depth_2">1.4</span> Understand the Testing Scope</a></li><li><a href="#Make_the_Right_Decision"><span class="toc_number toc_depth_2">1.5</span> Make the Right Decision</a></li></ul></li><li><a href="#Data_Driven_Techniques_Measure_How_Much_Testing_is_Enough"><span class="toc_number toc_depth_1">2</span> Data Driven Techniques: Measure How Much Testing is Enough?</a><ul><li><a href="#When_the_build_breakage_is_trivial"><span class="toc_number toc_depth_2">2.1</span> When the build breakage is trivial: </a></li><li><a href="#When_all_the_involved_parties_sign_off_the_stories"><span class="toc_number toc_depth_2">2.2</span> When all the involved parties sign off the stories: </a></li><li><a href="#When_the_code_freeze_is_effective"><span class="toc_number toc_depth_2">2.3</span> When the code freeze is effective: </a></li><li><a href="#When_all_the_blockersbugs_are_addressed"><span class="toc_number toc_depth_2">2.4</span> When all the blockers/bugs are addressed: </a></li><li><a href="#When_the_test_coverage_is_high"><span class="toc_number toc_depth_2">2.5</span> When the test coverage is high: </a></li><li><a href="#When_the_find-rate_of_critical_bugs_is_low"><span class="toc_number toc_depth_2">2.6</span> When the find-rate of critical bugs is low: </a></li></ul></li><li><a href="#Final_Words"><span class="toc_number toc_depth_1">3</span> Final Words</a></li><li><a href="#Frequently_Asked_Questions"><span class="toc_number toc_depth_1">4</span> Frequently Asked Questions</a></li><li><a href="#Suggested_Readings"><span class="toc_number toc_depth_1">5</span> Suggested Readings</a></li></ul></div>
<h2 class="wp-block-heading" id="how-much-testing-is-enough"><span id="How_Much_Testing_is_Enough"><strong>How Much Testing is Enough?</strong></span></h2>



<p>You know your application requires testing, but where do you stop once you start the process? Do you continue performing the different types of testing as and when you feel the need? Or do you document your testing requirements first and begin your application testing journey?</p>



<p>We have the answer for you in the below points. These will help you understand how much testing is enough for your project:</p>



<h3 class="wp-block-heading" id="ask-the-right-question"><span id="Ask_the_Right_Question">Ask the Right Question</span></h3>



<p>As a tester, you must come up with the right queries to understand the project scope and its testing requirements, if it would have API calls, UI needs, integration of modules, payment gateway, cart functionality, or more. Upon understanding what the application will actually have, you can ask your testing team to proceed with the particular test cases and scenarios.</p>



<h3 class="wp-block-heading" id="define-your-project-and-testing-requirements"><span id="Define_Your_Project_and_Testing_Requirements">Define Your Project and Testing Requirements</span></h3>



<p>Similar to the above point, defining your project and testing requirements beforehand is a sure-shot way of knowing how much testing you would need to perform. As you start to document test cases and keep adding to them, you will understand how much test coverage the project precisely needs.</p>



<h3 class="wp-block-heading" id="do-not-trap-yourself-in-is-it-enough-question"><span id="Do_Not_Trap_Yourself_In_Is_it_Enough_Question">Do Not Trap Yourself In ‘Is it Enough’ Question</span></h3>



<p>Often, testers doubt themselves and keep asking if the testing is enough or do they continue to keep doing it. But breaking out of this trap shouldn’t be a huge concern once you have properly defined your testing requirements. Simply run all the tests and perform final Regression testing before calling it a day.</p>



<h3 class="wp-block-heading" id="understand-the-testing-scope"><span id="Understand_the_Testing_Scope">Understand the Testing Scope</span></h3>



<p>It is almost similar to documenting and sticking to the test coverage when new features or updates make an entry. Once you are clear about the scope of testing, you can re-run the same test cases to execute regression and also when upgrades are rolled out.</p>



<h3 class="wp-block-heading" id="make-the-right-decision"><span id="Make_the_Right_Decision">Make the Right Decision</span></h3>



<p>What does ‘enough’ mean to you? It is subjective, and that is why finding the perfect balance between too little and too much is critical. All of this starts with making the right decision and ensuring that your testing efforts match the testing requirements that do not waste resources, time, and money in abundance.</p>



<h2 class="wp-block-heading" id="data-driven-techniques-measure-how-much-testing-is-enough"><span id="Data_Driven_Techniques_Measure_How_Much_Testing_is_Enough"><strong><strong>Data Driven Techniques: Measure How Much Testing is Enough?</strong></strong></span></h2>



<h3 class="wp-block-heading" id="when-the-build-breakage-is-trivial"><span id="When_the_build_breakage_is_trivial"><strong>When the build breakage is trivial:</strong> </span></h3>



<p>Most agile teams and continuous integrations strive to ensure build breakages don&#8217;t happen. When a developer pushes new code to the existing source code repository, the software may not perform as intended. </p>



<p>For instance, if your code had no errors in the past 10 days and is now running into errors with every code push, it means the code isn&#8217;t tested enough.&nbsp;</p>



<p>In a nutshell, we can assume the build is broken if the build process doesn&#8217;t move further, smoothly, for reasons such as bugs, compilation errors, or that a developer is pushing code without testing it enough. </p>



<p>A solid way to avoid build breakage is by ensuring the build is accurate before checking in. In case of any errors, it&#8217;s recommended to fix the errors locally before integrating the changes with the source code.<br></p>



<figure class="wp-block-image"><img decoding="async" src="https://s3.us-east-1.amazonaws.com/blog-assets-production.testsigma.com/blogs/wp-content/uploads/migrated_images/i65T7nw6yo38cIYyw-kHbXLKL4YXqlPU4tyXkMOHZHtD1edFjFQ7z_IZ5-btyJhg8T0IGOISWQWEmJ1KeE60EWukT2NxvSV5-hW4t4woPBSZCJ3fVxIQFuBXxTJklQxEt1E-Z_sF_1748948500.png" alt="Data Driven Techniques"/></figure>



<p></p>



<p>As per Parabuild CI, build breakage can be avoided if we avoid code check-ins beyond 5 pm. Parabuild calls it <a href="https://www.parabuildci.org/support/articles/continuous_integration_build_breakage_patterns.htm" target="_blank" rel="noreferrer noopener nofollow">&#8220;Five O&#8217;clock Check-In&#8221;</a> Pattern and its studies suggest that a developer&#8217;s critical and analytical skills often dip after 5 pm or towards the end of the day. </p>



<p>Further, this research also proves that if we avoid code pushes after 5 pm, it brings down build breakage by 20% to 50%.</p>



<p>However, if the software isn&#8217;t encountering any errors, despite small code changes, it means the build breakage is insignificant, and that the software has been thoroughly tested.&nbsp;</p>



<h3 class="wp-block-heading" id="when-all-the-involved-parties-sign-off-the-stories"><span id="When_all_the_involved_parties_sign_off_the_stories"><strong>When all the involved parties sign off the stories: </strong></span></h3>



<p>Agile teams work as per their pre-decided schedules and plans. Their core objectives include transparency and involving all the respective stakeholders before a project takes off.&nbsp;</p>



<p>For that reason, agile teams chalk out epics and stories as they offer a broad understanding of the requirements in both short-term and long-term scenarios. </p>



<p>Stories are written from the user&#8217;s perspective and they give a clear picture of the requirements while epics are a collection of these stories. When the stories are signed off by all the stakeholders, for instance, the QA team, developers, product managers, and any other involved teams, it means enough testing has been carried out.</p>



<h3 class="wp-block-heading" id="when-the-code-freeze-is-effective"><span id="When_the_code_freeze_is_effective"><strong>When the code freeze is effective:</strong> </span></h3>



<p>Code freeze literally means we cannot modify or edit the code when the code is frozen. This is done to effectively eliminate the chances of unintentionally introducing any bugs before the software goes live. </p>



<p>There are cases when developers push code even after the code is frozen. Even a few insignificant, last-minute code changes before the release can lead to a build breakage.&nbsp;</p>



<p>The developers might have tested out those features on their machine, but we don&#8217;t know how these changes reflect in the software when the new code is integrated. </p>



<p>This means the code freeze is ineffective and the entire code has to be tested again. Particularly to detect faulty behaviour and to understand which elements are causing breakage when integrated.</p>



<p>Things to consider for an effective code freeze</p>



<ul class="wp-block-list"><li>We should confirm there are no new bugs before going ahead with the code freeze. New modifications and bugs can hinder the smooth functioning of our software, and we should address any issues and fix even the smallest vulnerabilities before a code freeze.</li><li>We should perform a stringent security test that will help us discover any insecure elements or areas of the software.</li><li>If we&#8217;ve faced any bugs in the previous stages, it&#8217;s best to check for similar patterns or bugs. Move forward with the code freeze only after validating the features, functionalities, and quality of the software.</li></ul>



<p>These key things can lead to an effective code freeze, thereby ensuring stable software.&nbsp;</p>



<h3 class="wp-block-heading" id="when-all-the-blockers-bugs-are-addressed"><span id="When_all_the_blockersbugs_are_addressed"><strong>When all the blockers/bugs are addressed: </strong></span></h3>



<p>To move forward with the project, it&#8217;s crucial to close all the blockers bugs. Blockers can come in various forms that include technical issues, backlogs, environmental errors, rapid changes in priorities or stories, too many external dependencies, hidden complexities, or complex tools. </p>



<p>Teams can address blockers by keeping a track of them using project management frameworks like Kanban, Wrike, etc.&nbsp;</p>



<figure class="wp-block-image"><img decoding="async" src="https://s3.us-east-1.amazonaws.com/blog-assets-production.testsigma.com/blogs/wp-content/uploads/migrated_images/alVcH2dB9_R2qc5DFxsdOhuBEyFYG5_ANx2zQqqDA7dQ_uLiy9UtedJHMscgrFk0Ix-JSURcvLEItG2XQ0yQQ8q2j4U16cgPrkwTdBo_eOmNSVtvQdTVLhaWqL6uAtyfDKq8BwWM_1748948497.jpg" alt="bug track - Kanban project management frameworks"/></figure>



<p></p>



<h3 class="wp-block-heading" id="when-the-test-coverage-is-high"><span id="When_the_test_coverage_is_high"><strong>When the test coverage is high: </strong></span></h3>



<p>Test coverage is a metric that determines how much testing is done on the software, which is under testing. This metric helps us gather important information such as the total number of tests that have passed, failed, and executed, the number of test cases, and if the software is thoroughly tested.&nbsp;</p>



<p>Maximum test coverage can be achieved with the following:</p>



<ul class="wp-block-list"><li><a href="https://testsigma.com/blog/what-is-automation-testing-why-automated-testing/" target="_blank" rel="noopener">Automation testing</a> tools</li><li>By performing thorough unit tests</li><li>Code reviews</li></ul>



<p>A good rule of thumb is if your test coverage is high, it means the software under test went through maximum testing. But, this metric should not be used independently or it can create more confusion than it is useful. To know more, read here: <a href="https://www.thoughtworks.com/insights/blog/are-test-coverage-metrics-overrated" target="_blank" rel="noreferrer noopener nofollow">Are Test Coverage Metrics Overrated?</a></p>



<h3 class="wp-block-heading" id="when-the-find-rate-of-critical-bugs-is-low"><span id="When_the_find-rate_of_critical_bugs_is_low"><strong>When the find-rate of critical bugs is low: </strong></span></h3>



<p>Often we encounter errors during production, regression, or acceptance testing. In an ideal scenario, we should find and fix any critical bugs or defections before our software goes into production.&nbsp;</p>



<p>The find rate of the bugs can be tracked based on the number of bugs found during the pre-production testing phase against production. This will help us measure our bug find rate, and if the rate is low or reducing, it means enough testing has been performed.</p>



<h2 class="wp-block-heading" id="final-words"><span id="Final_Words"><strong>Final Words</strong></span></h2>



<p>Automation testing ecosystems can offer the right amount of test coverage and reduce build breakage, provided we choose the right tool. Testsigma increases test coverage through its <a rel="noreferrer noopener" aria-label=" (opens in a new tab)" href="https://testsigma.com/automated-data-driven-testing" target="_blank">data-driven testing system.</a> </p>



<p>Powered by AI, Testsigma&#8217;s automation testing tool makes it very easy to create test cases and improve your test coverage. It provides an in-depth summary of test results, which helps in tackling the bugs better.</p>



<p>This codeless testing tool is fully cloud-based. Besides, whenever any code changes are made, AI suggests which affected areas should be prioritized for testing. While this helps you identify the affected tests easily, you can also avoid failures that are similar to these tests.&nbsp;</p>



<p>Our tool sends out in-depth reports via email, Slack, and other communication platforms, for you to collaborate and fix any bugs with your team. Since it&#8217;s cloud-based, remote teams can access it from anywhere, anytime. Read about the simplicity of data-driven testing with Testsigma <a href="https://testsigma.com/data-driven-testing" target="_blank" rel="noreferrer noopener" aria-label=" (opens in a new tab)">here</a>.</p>



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<h2 class="wp-block-heading" id="frequently-asked-questions"><span id="Frequently_Asked_Questions"><strong>Frequently Asked Questions</strong></span></h2>



<div class="schema-faq wp-block-yoast-faq-block"><div class="schema-faq-section" id="faq-question-1752750956416"><strong class="schema-faq-question">How do you know when to stop testing?</strong> <p class="schema-faq-answer">There is no quantifiable way to know that you have completed all your testing requirements. But if the application contains very few errors, regression is over, user acceptance testing is complete, and no new features are being added, you can stop your testing efforts till anything new comes up.</p> </div> <div class="schema-faq-section" id="faq-question-1752750965928"><strong class="schema-faq-question">Is it possible to test 100% of the software?</strong> <p class="schema-faq-answer">Practically, it is impossible to test any application completely. You might be able to reach a very near point where the software has no identifiable issues, and the users are also content with its working. But otherwise, because the area of possible inputs is too huge to completely use in testing a system.</p> </div> </div>



<h2 class="wp-block-heading" id="suggested-readings"><span id="Suggested_Readings"><strong>Suggested Readings</strong></span></h2>



<p><a href="https://testsigma.com/automated-data-driven-testing" target="_blank" rel="noreferrer noopener">Automated Data-Driven Testing Tool for Agile teams</a></p>



<p><a href="https://testsigma.com/data-driven-testing" target="_blank" rel="noreferrer noopener">All you need to know about Data-Driven Testing</a>&nbsp;</p>



<p><a href="https://testsigma.com/blog/top-benefits-of-data-driven-test-automation/" target="_blank" rel="noreferrer noopener">Top Benefits of Data-Driven Test Automation</a>&nbsp;</p>



<p><a href="https://testsigma.com/blog/scenarios-when-data-driven-testing-is-useful/" target="_blank" rel="noreferrer noopener">Scenarios When Data-Driven Testing Is Useful</a></p>


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