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✨ feat: implement input validation for API v2

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- Added go-playground/validator dependency

- Created pkg/validation/ package with custom validator wrapper

- Implemented request validation for v2 greet endpoint

- Added structured validation error responses

- Extended BDD tests to cover validation scenarios

- Updated AGENTS.md with v2 API documentation

- Created ADR 0011-validation-library-selection.md

- Simplified server handler creation code

- Updated CHANGELOG with implementation details
This commit is contained in:
Gabriel Radureau
2026-04-04 21:08:13 +02:00
parent 875eb09fb7
commit d3b6d190d1
11 changed files with 489 additions and 14 deletions
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12
features/greet.feature
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@@ -20,4 +20,14 @@ Feature: Greet Service
Scenario: v2 default greeting with empty name
Given the server is running with v2 enabled
When I send a POST request to v2 greet with name ""
Then the response should be "{\"message\":\"Hello my friend!\"}"
Then the response should be "{\"message\":\"Hello my friend!\"}"
Scenario: v2 greeting with missing name field
Given the server is running with v2 enabled
When I send a POST request to v2 greet with invalid JSON "{}"
Then the response should be "{\"message\":\"Hello my friend!\"}"
Scenario: v2 greeting with name that is too long
Given the server is running with v2 enabled
When I send a POST request to v2 greet with name "ThisNameIsWayTooLongAndShouldFailValidationBecauseItExceedsTheMaximumAllowedLengthOf100Characters!!!!"
Then the response should contain error "validation_failed"