testcontainers-python
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testcontainers-python | helium | |
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8 | 2 | |
1,304 | 2,416 | |
13.9% | - | |
9.0 | 5.8 | |
1 day ago | about 3 years ago | |
Python | Python | |
Apache License 2.0 | MIT License |
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testcontainers-python
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Mock unit test an API that uses postgres or integration test API with a "test" database?
For later stuff, I tend to go all the way, have a separate database that gets seeded, all tests are performed against it, then it gets shut down. Testcontainers work well with this.
- Is this really what I have to do to test?
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Ask HN: I have 10 yrs of Exp. Failed 4 takehome projects. What am I doing wrong?
> ...
I think this is where we're talking past each other, so let me explain more of how I see the problem -- the solution I have in mind is serializing the URL and using ONE call to INCR (https://redis.io/commands/incr/) on the ingest side.
There is a lot you can do with the data storage pattern to make other operations more efficient, but on the stats side, the most basic way you can do it is to scan
I will concede that given that we know the data should fit in memory (otherwise you just crash) your approach gives you O(N) retrieval time and it's definitely superior to not have to do that on the python side (and python just streaming the response through). I am comfortable optimizing in-API computation, so I don't think it's a problem.
Here's what I mean -- you can actually solve the ordering problem in O(N) + O(M) time by keeping track of the max you've seen and building a sparse array and running through every single index from max to zero. It's overkill, but it's generally referred to as a counting sort:
https://ebrary.net/81651/geography/sorting_algorithms
This is overkill, clearly, and I will concede that ZSET is lighter and easier to get right than this.
> You linked? Where? I'd like to know about any library that will do this. Tell me of any library that does integration tests that spins up infrastructure for you. The only one closest I can think of that you can run locally is anything that would use docker-compose or some other IAC language that controls containers. I honestly don't think any popular ones exist.
https://testcontainers-python.readthedocs.io/en/latest/
I am very sure that I linked that, but in the case I didn't, here it is again -- hope you find it useful.
> No way I'm going to assume the user has redis installed on his local machine. Many devs don't. It's all remote development for them or everything lives in containers.
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What we learned after I deleted the main production database by mistake
Have a script for spinning up an identical database model in a docker container with your DB of choice. Even nicer than the manual route is depending on your language there's normally some sort of "testcontainers" type library (e.g in Java world https://www.testcontainers.org/ or in PYthon world https://github.com/testcontainers/testcontainers-python) that allows you to run a test that automatically spins up a container then you can use the network connection and run tests against it. E.g If I was testing a postgres integration my test would look like
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Python/testcontainers
I have been using TestContainers for my Java projects for a while now with great success and my plan is to use it for some Python projects. I notice that the https://github.com/testcontainers/testcontainers-python project doesn't seem to be under active development. Are there any alternatives out there the community is using/developing?
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orchestrating contaiers for testing?
- https://github.com/praekeltfoundation/seaworthy but you have to recreate a manifest with code. Not ideal for mildly complex stuff. 3+years was last commit :(( - https://github.com/testcontainers/testcontainers-python which is weirdly specific to certain container images. Again, not working off a manifest (I think), 1 months since last commit. :( - https://github.com/vapor-ware/kubetest which uses kubernetes(k8s) manifests and integrates with pyTest. Last commit 10 month ago.
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The absolute worst but common anti-pattern that no one talks about
Buddy, let me juice it up even more: https://github.com/testcontainers/testcontainers-python
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Hazelcast, from Embedded to Client-Server
Those are great options if you're developing in Java, but all is not lost if you aren't. Containerization can help us a lot! For example, the TestContainers project is available in all stack that Hazelcast support: Python developers can easily leverage the Python project to set up a local Hazelcast cluster quickly, Go developers the Go project, C# developers the .Net project, etc.
helium
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Playwright Test Generator
Unreasonably shameless plug for my open source Python library Helium, so you don't need a test generator. [1]
1: https://github.com/mherrmann/helium
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How do I get passed an ad/popup?
If using an extension of Selenium is an option for you, you can use (my) library Helium. It will let you do:
What are some alternatives?
LocalStack - 💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline
undetected-chromedriver - Custom Selenium Chromedriver | Zero-Config | Passes ALL bot mitigation systems (like Distil / Imperva/ Datadadome / CloudFlare IUAM)
testcontainers-dotnet - A library to support tests with throwaway instances of Docker containers for all compatible .NET Standard versions.
selenium-python-helium - Lighter web automation for Python [Moved to: https://github.com/mherrmann/helium]
kubetest - Kubernetes integration testing in Python via pytest
webdriver_manager
seaworthy - Test harness for Docker container images 🌊 🚢
pyleniumio - Bring the best of Selenium and Cypress into a single Python package
testcontainers-go - Testcontainers for Go is a Go package that makes it simple to create and clean up container-based dependencies for automated integration/smoke tests. The clean, easy-to-use API enables developers to programmatically define containers that should be run as part of a test and clean up those resources when the test is done.
SeleniumBase - 📊 Python's all-in-one framework for web crawling, scraping, testing, and reporting. Supports pytest. UC Mode provides stealth. Includes many tools.
charts - Hazelcast Official Helm Chart Repository
sillynium - Automate the creation of Python Selenium Scripts by drawing coloured boxes on webpage elements