Marcin Grzejszczak
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  • Blog
    • New blog, new job, new mentoring and consulting opportunities!
    • Migrating To Mastodon
    • Spring Cloud Sleuth 3.1.0 released
    • Spring Cloud Sleuth 3.0.0 released
    • Spring Cloud Contract 3.0.0 released
    • Json Assert Lib Released
    • Post On Spring Blog
    • Business Value Gone Wild
    • Microservice Deployment
    • How To Speed Up Your Gradle Build From
    • Spock Subject Collaborators Extension
    • New Personal Website
    • Mockito Cookbook Is Out
    • Pre Order Mockito Cookbook
    • Mockito Instant Code Repo At Github
    • Groovy Builder Ast Merged To Groovy Core
    • Warsaw Groovy User Group Talk Ast
    • Warsaw Groovy User Group Talk
    • Introduction To Groovy Runtime
    • Review Of Instant Mock Testing With
    • Springs Primary Annotation In Action
    • Review Of Getting Started With Guava
    • Mockito Instant My Book Has Finally
    • Injecting Test Doubles In Spring Using
    • Spock Return Nested Spies Mocks
    • The Essential Drools Cheat Sheet At
    • Mockito Extra Interfaces With
    • Mockito Returndeepstubs For Jaxb
    • Execution Of Groovy Scripts From Java
    • Drools Decision Tables With Camel And
    • Concurrency In Web Applications
    • Drools Rete Alogrithm Explanation
    • New Too Much Coding Repository
    • Drools Integration With Spring Vs
    • Very Interesting Article About Xsd
    • Hamcrest Matchers Guava Predicate And
    • Google Guava Cache With Regular
    • Google Guava
    • Apache Camel With Spring Routing With
    • Sources To Blog Posts
    • Spring Jms Message Automatic Conversion
    • Spring Aop In Security Controlling
    • Mockito Invocationonmock Checking
    • More Interesting Articles
    • Hibernate Inheritance Table Per
    • Spring Beanpostprocessor For Specified
    • Interesting Articles
    • Calculating Coherence Cluster Size On
    • Simulation Of Time Consuming Actions In
    • And So We Code
  • Services
    • Consulting
    • Mentoring Package — 4×1h
    • Mentoring Package — 8×1h
    • Talks & Workshops
  • Publications
    • Observability in Java with Micrometer - a Conversation with Marcin Grzejszczak
    • SmartTesting
    • Microservices with Spring Cloud
    • Hands-On Guide to Spring Cloud Contract: Creating Consumer-Driven Contracts to Leverage Contract Tests and Improve Your Code
    • Mikroserwisy ze Spring Cloud - koniec z teorią, kodujemy
    • How Contract Tests Improve the Quality of Your Distributed Systems
    • Consumer Driven Contracts a Hands On Guide to Spring Cloud Contract
    • Spring Cloud Contract in a Polyglot World
    • Applied Continuous Delivery
    • Q&A with Marcin Grzejszczak on Spring Cloud Contract
    • Zero Downtime Deployment with a Database
    • Mockito Cookbook
    • Mockito Instant
  • Talks
    • Observability of Your Application
    • Case Study: How AI Accelerated Application Modernization
    • Java Microservices with Spring in 2 Week
    • Is your JVM app flying blind? Unmask hidden issues with Observability superpowers!
    • Java Microservices with Spring in 2 Week
    • Java Microservices with Spring in 2 Weeks
    • Java Microservices with Spring in 2 Week
    • Java Microservices with Spring in 2 Weeks
    • Is your JVM app flying blind? Unmask hidden issues with Observability superpowers!
    • Is your JVM app flying blind? Unmask hidden issues with Observability superpowers!
    • Is your JVM app flying blind? Unmask hidden issues with Observability superpowers!
    • Java Microservices with Spring in 2 Weeks
    • Is your JVM app flying blind? Unmask hidden issues with Observability superpowers!
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 weeks
    • Java Microservices with Spring in 3 weeks
    • Testing Java Applications in 3 weeks
    • Java Microservices with Spring in 3 weeks
    • Testing Java Applications in 3 weeks
    • Testing Java Applications in 3 weeks
    • Testing Java Applications in 3 weeks
    • Testing Java Applications in 3 weeks
    • Testing Java Applications in 3 weeks
    • To Production and Beyond: Observability for Modern Spring Applications
    • Observability of Your Application
    • Java Microservices with Spring in 3 Weeks
    • Observability of Your Application
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 Weeks
    • Observability of Your Application
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 Weeks
    • Tracing Issues in Your Application
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 Weeks
    • Tracing Issues in Your Application
    • Let’s talk Micrometer, Sleuth, and Tanzu Observability
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 Weeks
    • Java Microservices with Spring in 3 Weeks
    • Testowanie oparte na Własnościach (Property-based Testing)
    • Java Microservices with Spring in 3 Weeks
    • Tracing Issues in Your Application
    • Microservices with Spring Cloud
    • Śledzenie Problemów w Twojej Aplikacji
    • New trends in software development with Spring Boot and Spring Cloud
    • Tracing Issues in Your Application
    • Tracing Issues in Your Application
    • Tracing Issues in Your Application
    • New trends in software development with Spring Boot and Spring Cloud
    • Booternetes II - The YAML Strikes Back keynote
    • Śledzenie Problemów w Twojej Aplikacji
    • Tracing Issues in Your Application
    • Czy warto pisać testy?
    • Tracing Issues in Your Application
    • Śledzenie Problemów w Twojej Aplikacji
    • Tracing Issues in Your Application
    • Tracing Issues in Your Application
    • 3 sytuacje, w których testy kontraktowe ułatwią Ci życie
    • S02 E06: Kontrakty i testy - nie tylko dla osób na samozatrudnieniu
    • How To Live In A Post-Spring-Cloud Netflix World?
    • Parallel tests and deployment pipelines
    • Testing your messaging application
    • Testing Your Messaging Application
    • Contract Tests in the Enterprise
    • Connect your car with Spring Tools
    • How to live in a post Spring-Cloud-Netflix world?
    • Consumer Driven Contracts like TDD to the API
    • Contract Tests in the Enterprise
    • Consumer Driven Contracts like TDD to the API
    • Consumer Driven Contracts like TDD to the API
    • How to live in a post Spring-Cloud-Netflix world?
    • Consumer Driven Contracts jako TDD na poziomie API
    • Consumer Driven Contracts like TDD to the API
    • Tracing Applications with Zipkin
    • Building Resilient Microservices
    • How Sleuth Bravely Cracked the Case of "Too Much to Code"
    • Zero to Multi-Cloud
    • Testing your Messaging Application
    • Consumer Driven Contracts and Your Microservice Architecture
    • Consumer Driven Contracts like TDD to the API
    • Testing your Message-Driven Application
    • Testing your Message-Driven Application
    • Contract Tests in the Enterprise
    • Contract Tests in the Enterprise
    • Continuous Deployment of your Application
    • Contract Tests in the Enterprise
    • Contract Tests in the Enterprise
    • Continuous Deployment of your Application
    • Continuous Deployment of Your Application?
    • Contract Tests in the Enterprise
    • Why Contract Tests Matter?
    • Why Contract Tests Matter?
    • Testing Your Message-Driven Application
    • Why Contract Tests Matter?
    • Continuous Deployment of Your Application
    • Contract Tests in the Enterprise
    • Consumer Driven Contracts and Your Microservice Architecture
    • Distributed Tracing Latency Analysis for Your Microservices Using Spring Cloud & Zipkin
    • Continuous Deployment to the Cloud
    • Continuous Deployment of your Application
    • Continuous Deployment of your Application
    • Consumer Driven Contracts and Your Microservice Architecture
    • Continuous Deployment of your Application
    • Tracing Microservices with Zipkin
    • Consumer Driven Contracts and Your Microservice Architecture
    • Continuous Deployment to the Cloud
    • Consumer Driven Contracts and Your Microservice Architecture
    • Continuous Deployment to the Cloud
    • Hands on Consumer Driven Contracts Workshop with Spring Cloud Contract
    • Tracing Microservices with Zipkin with Marcin Grzejszczak
    • Consumer-Driven Contracts and Your Microservice Architecture
    • Consumer-Driven Contracts to enable API evolution
    • Continuous Deployment to the Cloud
    • Microservices tracing with Spring Cloud Sleuth and Zipkin
    • Microservices tracing with Spring Cloud Sleuth and Zipkin
    • TDD at the Architecture Level with Consumer-Driven Contracts
    • Building Cloud Native microservices with Spring Cloud & Netflix OSS
    • TDD at the Architecture Level with Consumer-Driven Contracts
    • Consumer Driven Contracts and Your Microservice Architecture
    • Consumer Driven Contracts and Your Microservice Architecture
    • Consumer Driven Contracts and Your Microservice Architecture
    • Implementing Microservices Tracing with Spring Cloud and Zipkin
    • Microservices Tracing with Spring Cloud and Zipkin
    • Microservices Tracing with Spring Cloud and Zipkin
    • Microservices Tracing with Spring Cloud and Zipkin
    • Microservices tracing with Spring Cloud and Zipkin
    • Spring Cloud's Groovy
    • Spring Cloud's Groovy
    • Microservices - enough with theory, let's code some
    • Microservices - enough with theory, let's code some
    • Microservices - enough with theory, let's code some
    • Microservices - enough with theory, let's code some
    • Microservices at ...
    • Microservices - enough with theory, let's code some
    • Microservices - enough with theory, let's code some
    • Microservices - enough with theory, let's code some
    • Stick to the rules! Consumer Driven Contracts
    • Microservices - enough with theory, let's code some
    • Microservices at ...
    • Microhackathon
    • Do you think you're doing microservices?
    • Stick to the rules! Consumer Driven Contracts
    • Stick to the rules - Consumer Driven Contracts
    • Stick to the rules - Consumer Driven Contracts
    • Microservices
    • Microservices
    • Microservices Hackathon
    • AST transformations
    • Groovy
  • Projects
    • Iurista.org
    • Gradle Test Profiler
    • Gradle UpToDate Plugin
    • JSON Assert
    • Micrometer — Co-maintainer
    • Spock Subjects Collaborators Extension
    • Spring Cloud
    • Spring Cloud Contract — Maintainer
    • Spring Cloud Pipelines
    • Spring Cloud Sleuth — Maintainer
    • XML Assert
  • Projects
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JSON Assert

Mar 11, 2016 · 1 min read
GitHub

Lightweight, fluent API to assert JSON structures in tests.

Last updated on Mar 11, 2016
Testing Json Java
Marcin Grzejszczak
Authors
Marcin Grzejszczak (he/him)
OSS / Author / Mentor / Consultant
← Gradle UpToDate Plugin Mar 11, 2016
Micrometer — Co-maintainer Mar 11, 2016 →

© 2025 Me. This work is licensed under CC BY NC ND 4.0

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