Atlas › 14 API Testing Fundamentals › GraphQL Testing☰ Read as one page
GraphQL Testing
6.1OverviewGraphQL uses a single endpoint (POST /graphql) with a query language in the request body. Unlike REST, where the server decides what data…6.2How GraphQL Differs from REST6.3Basic Query Testing6.4Error Handling in GraphQLGraphQL returns HTTP 200 even for many types of errors. The errors are in the response body:6.5Security TestingGraphQL introspection allows clients to query the entire schema — useful in development but a security risk in production.6.6Authorization in GraphQL6.7Practical Exercise1. Write tests for a GraphQL query: valid query, query with variables, query for non-existent resource 2. Write a mutation test with input…6.8Key Takeaways- GraphQL returns HTTP 200 even for errors — always check the errors array - Test both queries and mutations with valid and invalid inputs…