Editor's pick
APIsGuide
Design and Build a JSON API in Go That Stays Maintainable
Build a JSON API in Go from a written contract: standard routing, one error format, strict decoding, validation, cursor paging, PATCH, auth and tests.
39 min read
Topic
Testing
Table-driven tests, fakes over mocks, fuzzing, benchmarks and the habits that make a suite worth running on every save.
Web
Templ Testing Components With Golden HTML Files in Go
Test templ components with golden HTML files and an update flag, add structural checks that parse the output with x/net/html, and read a failure message.
9 min read
Web
Test Middleware Chains in Go From Request to Response
Test Go middleware one piece at a time with a spy handler, then test the whole chain for order, short circuits, panics, headers and context values.
10 min read
Web
Test HTTP Handlers in Go Without Starting a Real Server
Call handlers directly with httptest.NewRecorder and NewRequest, set path values by hand, fake the store behind them, and assert on status, headers and JSON.
9 min read
Web
Mock HTTP Servers in Go Tests With the httptest Package
Use httptest.NewServer to stand in for an upstream API in Go tests: scripted responses, slow servers for timeouts, TLS servers and request recording.
8 min read
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