@hasankanaran
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QA Engineer | Selenium, Playwright, Postman, JMeter | API/UI Testing | Manual & Automation | MERN Stack | ISTQB Trainee | QA Blogger
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Hasanka Narangoda's blogs
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Visual Testing with Playwright
Feb 1 · 2 min read · When I started my QA internship, I thought testing was only about checking if buttons click or APIs respond. But then I learned about visual testing, and wow — it completely changed how I think about testing web apps. Functional tests tell us “does i...
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Why I Started Using Playwright for API Testing
Jan 1 · 3 min read · When I first heard about Playwright, I thought: “Oh cool… another tool for clicking buttons and filling forms.” And yeah — Playwright is awesome for browser automation. But when I joined as a QA intern, I discovered something interesting: 👉 Playwr...
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How to Begin API Automation: From Postman to Newman
Oct 13, 2025 · 4 min read · අද මම කතා කරන්න යන්නේ ජනප්රිය API Testing tool එකක් වෙන Postman ගැන.හැබැයි අද මගේ Main Topic එක Postman ගැන නෙවෙයි — ඒකේ සහෝදරයා, කියලා කියන්න පුළුවන් Newman ගැන. Postman සහ Newman දෙන්න අතර වෙනස හිතන්න මෙහෙම Postman = Manual testing tool Newman =...
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📌 Schema Validation කියන්නේ මොකක්ද?
Sep 10, 2025 · 2 min read · Schema කියන්නේ basically blueprint එකක් for your data.ඒ කියන්නේ, API එකෙන් එන data එකේ ආකාරය, format එක, මොකක්ද කියලා define කරන එක.API එකක් test කරනකොට, data එක පමණක් නොව, එය data එන structure එකත් බලන්න ඕන. මේකට Schema Validation කියල කියනවා 🔎 උදා...
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