{"id":29548,"date":"2025-05-20T16:28:32","date_gmt":"2025-05-20T10:58:32","guid":{"rendered":"https:\/\/blogrevamp.cashfree.com\/?p=29548"},"modified":"2025-05-23T12:29:35","modified_gmt":"2025-05-23T06:59:35","slug":"cashfree-zero-config-errors-scalable-test-data-framework","status":"publish","type":"post","link":"https:\/\/blogrevamp.cashfree.com\/cashfree-zero-config-errors-scalable-test-data-framework\/","title":{"rendered":"How Cashfree Payments Reached Zero Config Errors with a Scalable Test Data Framework: Insights from our Brown Bag Session"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a8f4029c8520\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #364250;color:#364250\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #364250;color:#364250\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a8f4029c8520\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blogrevamp.cashfree.com\/cashfree-zero-config-errors-scalable-test-data-framework\/#The_Problem_Why_did_We_Build_TDM\" >The Problem: Why did We Build TDM?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blogrevamp.cashfree.com\/cashfree-zero-config-errors-scalable-test-data-framework\/#Enter_TDM_The_Solution_to_Config_Chaos\" >Enter TDM: The Solution to Config Chaos!<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blogrevamp.cashfree.com\/cashfree-zero-config-errors-scalable-test-data-framework\/#How_It_Works\" >How It Works<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blogrevamp.cashfree.com\/cashfree-zero-config-errors-scalable-test-data-framework\/#How_We_Have_Implemented_TDM_and_Why_It_Works_for_Us\" >How We Have Implemented TDM and Why It Works for Us<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blogrevamp.cashfree.com\/cashfree-zero-config-errors-scalable-test-data-framework\/#Database_Schema_Data_Integrity_Checks\" >Database Schema &amp; Data Integrity Checks<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blogrevamp.cashfree.com\/cashfree-zero-config-errors-scalable-test-data-framework\/#Seamless_Integration_with_Integration_Tests\" >Seamless Integration with Integration Tests<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blogrevamp.cashfree.com\/cashfree-zero-config-errors-scalable-test-data-framework\/#The_Results_Measuring_Impact\" >The Results: Measuring Impact<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blogrevamp.cashfree.com\/cashfree-zero-config-errors-scalable-test-data-framework\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Imagine this: you are running your tests, and someone (or some other test) has modified your test data. Bam! Test fails \u2192 pipeline fails \u2192 deployment <strong>stops<\/strong>.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Managing test data effectively is a critical challenge in large-scale systems. In industries like fintech, where companies deal with an enormous volume of data points, poorly structured test data, scattered across multiple test cases and used by various services, often leads to redundant configurations and integration test (IT) failures. Stability across environments becomes difficult to maintain when test data is manually altered, modified by automation, or applied inconsistently.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To address this, we built a centralised and rule-driven <strong>Test Data Management (TDM)<\/strong> framework. Result? <strong>&nbsp;0 config-related failures for migrated services!<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In our recent brown bag session, we discussed how TDM has significantly improved test data reliability, reduced configuration failures, and streamlined the integration testing process.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"770\" height=\"390\" data-attachment-id=\"29636\" data-permalink=\"https:\/\/blogrevamp.cashfree.com\/cashfree-zero-config-errors-scalable-test-data-framework\/nisith-brown-bag_d-3_v3\/\" data-orig-file=\"https:\/\/i0.wp.com\/blogrevamp.cashfree.com\/wp-content\/uploads\/2025\/05\/Nisith-Brown-Bag_D-3_v3.png?fit=2021%2C1024&amp;ssl=1\" data-orig-size=\"2021,1024\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Nisith-Brown-Bag_D-3_v3\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/blogrevamp.cashfree.com\/wp-content\/uploads\/2025\/05\/Nisith-Brown-Bag_D-3_v3.png?fit=770%2C390&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/blogrevamp.cashfree.com\/wp-content\/uploads\/2025\/05\/Nisith-Brown-Bag_D-3_v3.png?resize=770%2C390&#038;ssl=1\" alt=\"\" class=\"wp-image-29636\" srcset=\"https:\/\/i0.wp.com\/blogrevamp.cashfree.com\/wp-content\/uploads\/2025\/05\/Nisith-Brown-Bag_D-3_v3.png?resize=1024%2C519&amp;ssl=1 1024w, https:\/\/i0.wp.com\/blogrevamp.cashfree.com\/wp-content\/uploads\/2025\/05\/Nisith-Brown-Bag_D-3_v3.png?resize=300%2C152&amp;ssl=1 300w, https:\/\/i0.wp.com\/blogrevamp.cashfree.com\/wp-content\/uploads\/2025\/05\/Nisith-Brown-Bag_D-3_v3.png?resize=768%2C389&amp;ssl=1 768w, https:\/\/i0.wp.com\/blogrevamp.cashfree.com\/wp-content\/uploads\/2025\/05\/Nisith-Brown-Bag_D-3_v3.png?resize=1536%2C778&amp;ssl=1 1536w, https:\/\/i0.wp.com\/blogrevamp.cashfree.com\/wp-content\/uploads\/2025\/05\/Nisith-Brown-Bag_D-3_v3.png?resize=1200%2C608&amp;ssl=1 1200w\" sizes=\"(max-width: 770px) 100vw, 770px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Problem_Why_did_We_Build_TDM\"><\/span><strong>The Problem: Why did We Build TDM?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Before TDM, test data management at Cashfree Payments imposed several challenges:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Scattered Test Data:<\/strong> Test data was hardcoded in various test cases, leading to inconsistency and redundancy.<\/li>\n\n\n\n<li><strong>Frequent Configuration Failures:<\/strong> Manually altered configurations caused IT failures, making debugging difficult.<\/li>\n\n\n\n<li><strong>Lack of Visibility:<\/strong> Teams had no centralised view of which test data was being used across services.<\/li>\n\n\n\n<li><strong>Redundant Data Creation:<\/strong> Different teams often created duplicate test data for similar use cases, leading to inefficiencies.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">To mitigate these issues, we needed a <strong>single source of truth<\/strong> that would standardise and manage test data efficiently.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Enter_TDM_The_Solution_to_Config_Chaos\"><\/span><strong>Enter TDM: The Solution to Config Chaos!<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_It_Works\"><\/span><strong>How It Works<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Test Data Storage:<\/strong> TestData is mapped to ConfigRules, linking it to specific Configs.<\/li>\n\n\n\n<li><strong>Validation &amp; Auto-Updates:<\/strong> Helm-based crons run periodically to check for rule violations and restore tampered data.<\/li>\n\n\n\n<li><strong>Alert Mechanism:<\/strong> If invalid data is detected, alerts are sent to the respective service owners.<\/li>\n\n\n\n<li><strong>Integration with ITs:<\/strong> Validated test data is automatically injected into integration test environments.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">TDM centralises and standardises test data using:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Config Rules &amp; Mapping:<\/strong> Each TestData entry is mapped to relevant configs via ConfigRules.<\/li>\n\n\n\n<li><strong>Helm-Based Crons:<\/strong> Periodic validation via cron-job scheduled through Helm, ensures each of the TestData and sticks to its corresponding ConfigRules. This not only validates but also auto-updates TestData based on the rules violated via the corresponding service APIs.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcOf0j5LixyuHfs_Xm8mloEjlw0H0WRWnZWixwRKobYsQ8Gatod8O4F5YyHS6CU4AXnzsOkoQW997rV9VLfSDfMlgKwJ7IgTANWi-6uw33stA1sk_1P1xzYJihdz_ecxzzqfZNQlg?key=gthVuvMoeb0LsTgtGevvsQXm\" alt=\"\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Service Ownership Model:<\/strong> Each TestData is associated with multiple services using it. Each service has an owner, and upon failure of validation\/auto-update, an alert is triggered in a channel tagging the said owner and the respective team(this comes as a last-ditch effort to correct the data if at all the auto-update fails for any reason whatsoever).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_We_Have_Implemented_TDM_and_Why_It_Works_for_Us\"><\/span><strong>How We Have Implemented TDM and Why It Works for Us<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Database_Schema_Data_Integrity_Checks\"><\/span><strong>Database Schema &amp; Data Integrity Checks<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">TDM enforces strict integrity checks to prevent inconsistent test data:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rule-Based Validation:<\/strong> Each TestData entry must comply with predefined rules.<\/li>\n\n\n\n<li><strong>Redundancy Prevention:<\/strong> Existing test data must be reused instead of creating duplicates. We prevent the addition of new data if the added ConfigRules are a <strong>subset<\/strong> of any test data\u2019s ConfigRules.<\/li>\n\n\n\n<li><strong>Conflict Resolution:<\/strong> Conflicting test data (same configId but different ConfigRules) is automatically rejected. e.g.: A merchant with UPI_Txn <strong>inactive<\/strong> rule cannot be added together with UPI_Txn <strong>active<\/strong> rule.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Seamless_Integration_with_Integration_Tests\"><\/span><strong>Seamless Integration with Integration Tests<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">TDM integrates seamlessly with our <strong>environment factory pattern<\/strong>, allowing test data to be injected dynamically into ITs. To use TDM, teams simply need to:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ensure variable names in the <strong>TestData table<\/strong> match the <strong>POJO definitions<\/strong>.<\/li>\n\n\n\n<li>Call a single function to retrieve validated test data.<\/li>\n\n\n\n<li>Rely on the backend script to handle all mapping and injections.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXepmUydG-XYiy5DeoXmUkitdLPK06PiA_xLMGgO02X0A096j78GQdEEqTE66nAVUq-tXB-_zjO_SiBfS7kq-XEKoutTO9WPGJyDVkFA0tHmVW3u_yUf8aWvl2KrSe-Z73mFE3ylzg?key=gthVuvMoeb0LsTgtGevvsQXm\" alt=\"\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Results_Measuring_Impact\"><\/span><strong>The Results: Measuring Impact<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Since implementing TDM, we have observed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zero config-related IT failures<\/strong> in services like pgpaymentsvc and pgcards.<\/li>\n\n\n\n<li><strong>Improved visibility<\/strong> into which test data is used across which all services.<\/li>\n\n\n\n<li><strong>Reduced redundancy<\/strong>, as multiple teams now reuse existing test data instead of creating new entries.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">TDM has enhanced test reliability, visibility, and reduced the risks associated with manual\/automated data changes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Moving forward, we aim to expand TDM coverage across more services to further eliminate config-related IT failures. We are also working on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Enhancing UI-based access<\/strong> to improve the developer experience in managing test data.<\/li>\n\n\n\n<li><strong>Scaling the framework<\/strong> to support more complex testing scenarios.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Stay tuned to the Cashfree Payments Tech Blog for more insights on how we continue to innovate in this space!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Imagine this: you are running your tests, and someone (or some other test) has modified your test data. Bam! Test fails \u2192 pipeline fails \u2192 deployment stops.&nbsp; Managing test data effectively is a critical challenge in large-scale systems. In industries like fintech, where companies deal with an enormous volume of data points, poorly structured test<\/p>\n","protected":false},"author":135,"featured_media":29550,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_themeisle_gutenberg_block_has_review":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1497],"tags":[],"class_list":["post-29548","post","type-post","status-publish","format-standard","has-post-thumbnail","category-engineering"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Cashfree Payments Reached Zero Config Errors with a Scalable Test Data Framework: Insights from our Brown Bag Session<\/title>\n<meta name=\"description\" content=\"Discover how Cashfree Payments built a centralized, rule-driven Test Data Management framework to eliminate config-related failures and improve integration test reliability across services.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cashfree.com\/blog\/cashfree-zero-config-errors-scalable-test-data-framework\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Cashfree Payments Reached Zero Config Errors with a Scalable Test Data Framework: Insights from our Brown Bag Session\" \/>\n<meta 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