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@duffleit Testing Reactivity in GraphQL RBI Testing Day & TestBustersNight @StayAtHome Edition David Leitner - @duffleit

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@duffleit @duffleit @duffleit david@squer.at David Leitner Lead Engineer

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@duffleit Testing Reactivity in GraphQL Testing Reactivity in GraphQL

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@duffleit reactivemanifesto.org

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@duffleit

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@duffleit

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@duffleit

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@duffleit

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@duffleit

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@duffleit MicroService A MicroService B

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@duffleit MicroService A MicroService B

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@duffleit MicroService A MicroService B MicroService B MicroService B

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@duffleit MicroService A MicroService B MicroService B MicroService B

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@duffleit MicroService A MicroService B

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@duffleit MicroService A MicroService B

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@duffleit Lambda/Actor/Microservice Lambda/Actor/Microservice Lambda/Actor/Microservice Backend for Frontend HTTP GraphQL

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@duffleit Testing Reactivity in GraphQL

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@duffleit ✅ Consumer Driven APIs ✅ Native Schema Support ✅ Streaming Support

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@duffleit Error: GraphQL Context not defined

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@duffleit ✅ Works But, not a Unit Test anymore.

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@duffleit ✅ Works as test in isolation

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@duffleit

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@duffleit

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@duffleit

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@duffleit GraphQL enables Consumer Driven Contract Testing naturally

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@duffleit

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@duffleit Lambda/Actor/Microservice Lambda/Actor/Microservice Lambda/Actor/Microservice Backend for Frontend HTTP GraphQL State Hydration Inject Test State

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@duffleit Lambda/Actor/Microservice Lambda/Actor/Microservice Lambda/Actor/Microservice Backend for Frontend HTTP GraphQL State Hydration Inject Test State Inject Test State

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@duffleit Lambda/Actor/Microservice Lambda/Actor/Microservice Lambda/Actor/Microservice Backend for Frontend HTTP GraphQL State Hydration

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@duffleit

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@duffleit GraphQL changes the way how to test, but not the fact that you should test.

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@duffleit by: twitter.com/swardley

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@duffleit @duffleit @duffleit squer.at/slides David Leitner david@squer.at

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@duffleit