Side by side
Mocha vs Rust libtest
Both stand on unit testing frameworks. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxWeb
Mocha provides a free testing framework for Node.js and browser projects, with asynchronous and parallel execution options. Check its runtime requirements and browser parallel-mode limitation before adopting it.
Visit Mocha
Free plan LinuxMacWindows
Rust libtest covers the core cycle of building, selecting, and running Rust tests, with Cargo providing an automatic route. Its benchmark and custom-harness options are not stable features.
Visit Rust libtestThe facts
| Mocha | Rust libtest | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Web | Linux, Mac, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | mochajs.org | doc.rust-lang.org |
| On unit testing frameworks | #20 of 32 | #24 of 32 |
Mocha: what it does well
- Free and open source.
- Supports callbacks and promises for asynchronous tests.
- Parallel execution is available in Node.js.
- Supports JavaScript and TypeScript.
- Reporter and interface options are configurable.
What to know first
- Parallel mode is not supported in browsers.
- Mocha 12 requires specified Node.js versions.
- No built-in mocks.
Rust libtest: what it does well
- Built into Rust’s test harness and free.
- Cargo runs unit, integration, and documentation tests.
- Supports filtering, ignored tests, and test listing.
- Tests run in parallel by default.
- Supports Linux, macOS, and Windows.
What to know first
- Catching panics requires the unwind panic strategy.
- Benchmarks are unstable and nightly-only.
- Custom harness support is experimental and nightly-only.
- JSON output is unstable.
Alternatives to Mocha Alternatives to Rust libtest The whole list