Testing payload structure using JSON schema

  • Easy
  • 20 min

I'll tell you about a cheap, simple and effective way to validate the payload structure of requests/responses/messages in JSON format.

We will learn how to identify payload structure problems such as:

  • missing required properties in objects;
  • typos in keys;
  • extra (unexpected) properties in structures;
  • unexpected duplicates in the arrays;
  • values don't match expected data types;
  • string values don't match expected patterns;
  • values out of the acceptable limits, etc.

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