quarchive
doctest
quarchive | doctest | |
---|---|---|
4 | 19 | |
95 | 5,594 | |
- | 1.3% | |
0.0 | 0.0 | |
about 1 year ago | about 2 months ago | |
Python | C++ | |
GNU Affero General Public License v3.0 | MIT License |
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.
quarchive
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Python 3 Types in the Wild: A Tale of Two Type Systems [pdf]
I've had this problem a few times., For example it happened with the 0.800+ versions. It got stricter, and was more aggressive in finding code (eg small scripts in not in the proper python hierarchy).
I can't show any of my professional work (no publicly available src) but this side project of mine is locked to 0.790 until I can find time to sort the issues: https://github.com/calpaterson/quarchive/tree/master/src/ser...
It's hard to classify anything as a "false negative" with mypy since it is very liberal (often unexpectedly so, which I think is one of the sharp edges of gradual typing).
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Del.icio.us
Glad you think it's promising. There is still some distance to go - it needs a second pass over some of the (pretty rough) features.
Regarding tags: I am not sure I completely agree with you how easy it will be to remove all the current limits on tags but I do share your sentiment and I have filed the matter as a github issue: https://github.com/calpaterson/quarchive/issues/67 . I can't promise any priority because as this is a side project I can only work at my own pace but I foresee it happening "soon" - just that my main task right now is showing what I have to people and getting feedback.
On the unread flag: you're probably right. That was implemented before tags were, in order to allow for importing my own bookmarks from pinboard (I personally do not use tags).
Private flags: as a usability matter, yes. But my plan is to allow for more fine-grained sharing/permissions (the MVP of which is the current share feature).
Thanks for your feedback. I really appreciate the time you took to try it out and leave your comments. Do keep in touch over email! [email protected]
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Quarchive - A bookmarking site that shows discussions (eg here on reddit) referring to your bookmarks. Bit like del.icio.us
This is my side project. It's basically a social bookmarking site, but with a few extra features I wanted. It's open source on my github.
doctest
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Unit testing tool suggestions
I have never used "tools" for unit-tests, only web sites that show the results of the tests or code coverage. For C++ I prefer https://github.com/doctest/doctest but most companies I worked for use Catch2.
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Question about Doctest.h
Do the README and tutorial not explain it well enough? It's a framework for automated unit testing.
- Doctest – C++ Testing Framework
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Memory Safety in the D Programming Language (Part 2 of N)
This is, honestly, super easy to get going. Nowadays you have a ton of libraries and more-than-decent build systems. With Meson/CMake and Conan/Vcpkg I can set up a project with testing in 3 minutes. Also, I think that at the end of the day you want your tests to live somewhere else. But if you want to embed them, you also have https://github.com/doctest/doctest.
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how can I improve my connect4 board class?
Write some tests. They can find bugs early and give you confidence that your code works so far. That doesn't have to be anything fancy, e.g. with doctest:
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Testing framework Catch2 3.0 final released
Keep in mind https://github.com/doctest/doctest/issues/554. Also, doctest lacks: - Matchers - Data generators - Benchmarking - ...
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Check if my code meets the requirements?
Your requirements can easily simulated on paper (like increase the speed once, twice, ...), then translated to unit-tests with a framework like https://github.com/doctest/doctest.
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The Lisp Curse
I like working in C++, after a decade of working in Java, Python, Javascript and Clojure, I find working in C++ (which I learned before these other languages) to be quite fun and pleasant, at least with relatively modern C++.
I've been, on and off, working on a little toy game engine, for a few years. Its a mix of keeping up with C++ advancements, learning various concepts like physically based rendering, and just the fun of crafting a big project, with no constraints other than my time and ability, no deadlines, no expectation of releasing anything. Its cathartic and enjoyable. I really do enjoy it.
Last September, I got frustrated with something I was working on in a more serious capacity. It was some server software, it responded to HTTP requests, it accessed third party services over HTTP and Websockets, it talked to a Postgres database. Overall it was an event driven system that transformed data and generated actions that would be applied by talking to third party services. The "real" version was written in Clojure and it worked pretty well. I really like Clojure, so all good.
But because I was frustrated with some things about how it ran and the resources it took up, I wondered what it would be like if I developed a little lean-and-mean version in C++. So I gave it a try as a side project for a few weeks. I used doctest[1] for testing, immer[2] for Clojure-like immutable data structures, [3] lager for Elm-like application state and logic management, Crow[4] for my HTTP server, ASIO[5] and websocketpp[6] for Websockets, cpp-httplib[7] as a HTTP client and PGFE[8] for Postgres, amongst some other little utility libraries. I also wrote it in a Literate Programming style using Entangled[9], which helped me keep everything well documented and explained.
For the most part, it worked pretty well. Using immer and lager helped keep the logic safe and to the point. The application started and ran very quickly and used very little cpu or memory. However, as the complexity grew, especially when using template heavy libraries like lager, or dealing with complex things like ASIO, it became very frustrating to deal with errors. Template errors even on clang became incomprehensible and segmentation faults when something wasn't quite right became pretty hard to diagnose. I had neither of these problems working on my game engine, but both became issues on this experiment. After a few weeks, I gave up on it. I do think I could have made it work and definitely could go back and simplify some of the decisions I made to make it more manageable, but ultimately, it was more work than I had free time to dedicate to it.
So my experience was that, yes, you can write high level application logic for HTTP web backends in C++. You can even use tools like immer or lager to make it feel very functional-programming in style and make the application logic really clean. Its not hard to make it run efficiently both in terms of running time and memory usage, certainly when comparing to Clojure or Python. However, I found that over all, it just wasn't as easy or productive as either of those languages and I spent more time fighting the language deficiencies, even with modern C++, than I do when using Clojure or Python.
I think I would think very long and hard before seriously considering writing a web backend in C++. If I had the time, I'd love to retry the experiment but using Rust, to see how it compares.
[1] https://github.com/doctest/doctest
[2] https://github.com/arximboldi/immer
[3] https://github.com/arximboldi/lager
[4] https://github.com/CrowCpp/crow
[5] https://think-async.com/Asio/
[6] https://www.zaphoyd.com/projects/websocketpp/
[7] https://github.com/yhirose/cpp-httplib
[8] https://github.com/dmitigr/pgfe
[9] https://entangled.github.io/
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C++17 python like print function
For stuff like this which is very easy to test (very predefined input vs output), I highly suggest using some testing framework. Catch2 is great, but there is also doctest and good ole googletest. If you do this, it would also be a great intro to CI, where you do some plumbing on github or gitlab where every commit causes a build to happen on their servers and run through the unit tests, and if it passes it gets merged into master.
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How to unit test
doctest is my favorite framework. Really simple to use, header only, supports compile-time tests, lots of features and it works well with cmake.
What are some alternatives?
pyml - OCaml bindings for Python
Catch - A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)
typeshed - Collection of library stubs for Python, with static types
Google Test - GoogleTest - Google Testing and Mocking Framework
PyCall.jl - Package to call Python functions from the Julia language
Google Mock
Nuitka - Nuitka is a Python compiler written in Python. It's fully compatible with Python 2.6, 2.7, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 3.10, and 3.11. You feed it your Python app, it does a lot of clever things, and spits out an executable or extension module.
Boost.Test - The reference C++ unit testing framework (TDD, xUnit, C++03/11/14/17)
CppUTest - CppUTest unit testing and mocking framework for C/C++
Unity Test API - Simple Unit Testing for C
benchmark - A microbenchmark support library
CppUnit - C++ port of JUnit