assert_fs
v1.1.3 GrowingFilesystem fixtures and assertions for testing.
Quick Verdict
- ✕Not updated for 1+ year
- ✓Stable API (1.x for 7+ years)
- ✓Massive adoption (10.9K crates depend on it)
- ✓Team maintained (2 owners)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
829.2K downloads in the last 30 days (27.6K/day). Volume is roughly flat compared to the previous period.
10.9K crates depend on assert_fs — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
The primary maintainer publishes 138 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
The API has been stable (1.x) for over 7 years with 33 releases. This level of maturity means you can depend on it without worrying about breaking changes.
At 20KB, assert_fs is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include cargo-chef, lightningcss, lzzzz, sn_node, rig-core. When high-quality crates choose assert_fs, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
Download Trend
Top Dependents
Most downloaded crates that depend on assert_fs