instancio
Jimfs
| instancio | Jimfs | |
|---|---|---|
| 7 | 5 | |
| 748 | 2,378 | |
| 1.3% | 0.3% | |
| 9.7 | 8.5 | |
| 6 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.
instancio
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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.
Instancio for generating test data AssertJ Awaitility Quarkus FluentJdbc: a thin wrapper around jdbc, you can use it as an alternative for JPA and I use it in Quarkus
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Instancio 2.2.0 released
I've been experimenting a little and will be adding support for method references in the next release. Here's issue link if you want to follow.
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Java: Automating data setup in unit tests
Properly handling seeds and having reproducible objects was one of the main goals, so it should work as you'd expect. I'd suggest giving it a try and if you run into any issues, just post it on Github discussions.
- Data Generator For Unit Tests
- Instancio: Java library for auto-populating objects in unit tests
Jimfs
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How to write unit tests in C++ relying on non-code files?
Java has in-memory file systems that are essentially geared for this exact use case, eg jimfs[0]. You create your filesystem and any files you need when your tests are starting up, and your classes talk to them rather than the “real” ones. Maybe a similar project exists for the C++ ecosystem?
[0] https://github.com/google/jimfs
- An in-memory file system for Java
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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.
Recently been using JIMFS. Made my tests much faster and cleaner!
- An in memory file system
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Working and unit testing with temporary files in Java
I use Google's JIMFS "Just In Memory Filesystem" https://github.com/google/jimfs in my unit tests and have been very happy. No need to clean something up that disappears as soon as the test is over. Let's you create unix or windows style filesystems and I've used it to test a disk space healthcheck because you can set a limit to the size of the filesystem it creates. Very flexible and easy to use.
What are some alternatives?
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datafaker - Generating fake data for the JVM (Java, Kotlin, Groovy) has never been easier!
OpenRefine - OpenRefine is a free, open source power tool for working with messy data and improving it
Mockito - Most popular Mocking framework for unit tests written in Java
Joda-Money - Java library to represent monetary amounts.
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LightAdmin - [PoC] Pluggable CRUD UI library for Java web applications
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