jqwik
Java Faker
| jqwik | Java Faker | |
|---|---|---|
| 7 | 13 | |
| 526 | 4,572 | |
| 1.5% | 0.9% | |
| 9.1 | 0.0 | |
| 11 days ago | 4 days ago | |
| Java | Java | |
| Eclipse Public License 2.0 | GNU General Public License v3.0 or later |
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.
jqwik
- Jqwik – Property-Based Testing on the JUnit Platform
- Any library you would like to recommend to others as it helps you a lot? For me, mapstruct is one of them. Hopefully I would hear some other nice libraries I never try.
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Built a library to help generate test pojos with relevant but random data. I’d love some feedback.
See https://jqwik.net
- I just implemented a method that checks if a binary tree is symmetric, and now I want to test it with Junit. Do I need to manually create a bunch of trees, or is there an easier way?
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Simple example of property-based testing
Once we knew which property to use it was very straightforward to add a property-based test for it. We used the jqwik library. We like it because it has very good documentation and it is integrated with Junit.
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must known frameworks/libs/tech, every senior java developer must know(?)
Jqwik - I love property based testing and the way it can make you think differently about some of your code.
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Mutation testing java projects
Different to mutation testing, but on a semi-relatednpath, I've found property-based testing (e.g. https://jqwik.net/) to be valuable - thinking about the “shape“ of the expected output and getting a bunch of pseudorandom tests is pretty handy, especially for utility functions.
Java Faker
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Leveling up your custom fake data with Faker.js
Faker was originally written in Perl and is also available as a library for Ruby, Java, and Python.
- Built a library to help generate test pojos with relevant but random data. I’d love some feedback.
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Data Seeding With MongoDB
you can use faker java
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Favorite hidden gem library?
JavaFaker for generating random data https://github.com/DiUS/java-faker
- Estudo sobre HTTP2 e protocolos binários - parte 2
- Estudo sobre HTTP2 e protocolos binários - parte 1
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Datafaker: An Alternative to Using Production Data
I've been using https://github.com/DiUS/java-faker which seems to be much more popular. How is this one different?
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Cucumber java Cannot resolve symbol 'github' when adding Faker to project
I'm using 1.0.2 from this repository: https://github.com/DiUS/java-faker
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The right to delete: how faker.js exposed the fragile nature of open source culture, again
I'm Java developer. While we have had our fair share of shenanigans, if the people behind the Java equivalent of faker (https://github.com/DiUS/java-faker) went off the rails it wouldn't be anywhere near as much of an issue.
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Datafaker, an alternative to using Production Data
This has another bottleneck, each time you request something, it ends up with a IO call to open a file, as all fake data is stored in a file: https://github.com/datafaker-net/datafaker/blob/master/src/main/resources/en/dragon_ball.yml I recently filed a bug to javafaker that in some cases file descriptor was never closed, resulting in even worse performance and memory leaks, killing our service after millions of method calls.
What are some alternatives?
junit-quickcheck - Property-based testing, JUnit-style
datafaker - Generating fake data for the JVM (Java, Kotlin, Groovy) has never been easier!
Deep Dive - Fluent assertions library for Java
instancio - A library that creates fully populated objects for your unit tests.
JQF - JQF + Zest: Coverage-guided semantic fuzzing for Java.
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.
faker - A library for generating fake data such as names, addresses, and phone numbers. [Moved to: https://github.com/faker-ruby/faker]
webtau - WebTau (web test automation) is a testing API, command line tool and a framework to write unit, integration and end-to-end tests. Test across REST-API, WebSocket, GraphQL, Browser, Database, CLI and Business Logic with a consistent set of matchers and concepts. REPL mode speeds-up tests development. Rich reporting cuts down investigation time.
avoid-random-string-utils - Example of the RandomStringUtils class vs JavaFaker to generate data
aws-junit5 - JUnit 5 extensions for AWS
restassured-complete-basic-example - A complete API Test Architecture example using Java and RestAssured providing a real-world example and continuous delivery ready.