--- title: "Writing tests for HTTP-triggered Azure Functions" url: https://daily.dev/posts/writing-tests-for-http-triggered-azure-functions-d3wh81kio source_url: https://www.damirscorner.com/blog/posts/20260619-WritingTestsForHttpTriggeredAzureFunctions.html type: article source: "Damir's Corner" published: 2026-06-19T08:07:18.955Z updated: 2026-06-19T08:07:38.581Z tags: ["testing", "typescript", "jest", "azure-functions"] reading_time: 5 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Writing tests for HTTP-triggered Azure Functions **[Damir's Corner](https://daily.dev/sources/damirscorner)** · 5 min read · 0 upvotes · 0 comments ## Summary A practical guide to writing unit tests for HTTP-triggered Azure Functions using Jest and ts-jest with TypeScript. Covers setting up Jest with TypeScript, creating mock implementations of InvocationContext and HttpRequest, using data-driven tests for multiple input cases, mocking the global fetch function, and verifying both function responses and mock invocations. Also recommends complementing unit tests with local runtime testing via curl before deployment. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Testing Node.js APIs with Jest: A Frontend Developer's Guide to Backend Testing](https://daily.dev/posts/testing-node-js-apis-with-jest-a-frontend-developer-s-guide-to-backend-testing-ykfrkag4k) · SitePoint · 0 upvotes · 0 comments --- Tags: [#testing](https://daily.dev/tags/testing), [#typescript](https://daily.dev/tags/typescript), [#jest](https://daily.dev/tags/jest), [#azure-functions](https://daily.dev/tags/azure-functions) [View this post on daily.dev](https://daily.dev/posts/writing-tests-for-http-triggered-azure-functions-d3wh81kio)