Awaitility
jetcd
Our great sponsors
| Awaitility | jetcd | |
|---|---|---|
| 7 | 1 | |
| 3,693 | 1,064 | |
| 1.5% | 1.8% | |
| 0.0 | 9.0 | |
| 16 days ago | 7 days ago | |
| Java | Java | |
| Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Awaitility
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Relearning Java Thread Primitives
I’ve coded in Java since the first beta, even back then threads were at the top of my list of favorite features. Java was the first language to introduce thread support in the language itself, it was a controversial decision back then. In the past decade, every language raced to include async/await and even Java had some third-party support for that… But Java zigged instead of zagging and introduced the far superior virtual threads (project Loom). This post isn’t about that.
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Favorite hidden gem library?
I hope everybody knows https://github.com/awaitility/awaitility by now.
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Spring Cloud Stream Kafka Streams Binder + Processor API
And finally the tests, using Awaitility as we are testing asynchronous stuff:
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AWS SQS with spring boot & Localstack with Junit Testing
awaitability: A tool to express expectations for asynchronous system in an easy and concise manner.
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Wednesday Links - Edition 2021-05-12
Awaitility with version 4.1.0 comes with fail fast feature (2m read) 🎉 https://github.com/awaitility/awaitility/wiki/Usage#fail-fast-conditions
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Managing Cluster Membership with Etcd
Given our new functionality to update the membership list, we can create a new test case where two nodes join the cluster and expect that to be reflected in the local state of each node eventually. Thanks to the Awaitility DSL we can conveniently wait for the eventual update to happen.
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Integrando TestContainers en el contexto de Spring en nuestros tests
Nota: para los que no la conozcáis, await es un operador de awaitility, muy útil para validación de resultados en procesos asíncronos.
jetcd
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Managing Cluster Membership with Etcd
To communicate with etcd, we will use jetcd. Each node has an etcd client that connects to our central etcd cluster. The membership list will be represented as a ConcurrentHashMap to ensure that we can safely interact with it from different threads later on.
What are some alternatives?
Spock - The Enterprise-ready testing and specification framework.
etcd-playground
REST Assured - Java DSL for easy testing of REST services
toxiproxy - :alarm_clock: :fire: A TCP proxy to simulate network and system conditions for chaos and resiliency testing
Mockito - Most popular Mocking framework for unit tests written in Java
etcd - Distributed reliable key-value store for the most critical data of a distributed system
WireMock - A tool for mocking HTTP services
consul - Consul is a distributed, highly available, and data center aware solution to connect and configure applications across dynamic, distributed infrastructure.
Selenide - Concise UI Tests with Java!
Selenium
testcontainers-springboot-demo - Demo tests de integración con TestContainers dentro del ciclo de vida de SpringBootTest
Testcontainers - Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.