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assert_fs

v1.1.3 Growing

Filesystem fixtures and assertions for testing.

MIT OR Apache-2.0 Edition 2021 MSRV 1.74
Development tools::Testing #assert#test#filesystem#fixture

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

Checking security advisories...
Downloads
15.4M
Dependents
10.9K
Releases
33
Size
20KB

Deep Insights

📊
Stable downloads

829.2K downloads in the last 30 days (27.6K/day). Volume is roughly flat compared to the previous period.

🏛️
Foundational crate

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.

👤
Prolific maintainer

The primary maintainer publishes 138 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

Stable for 7+ years

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.

📐
Compact crate

At 20KB, assert_fs is lightweight. Small crate size correlates with focused, well-scoped functionality.

🌟
Used by top crates

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

Maintenance 7/25

Recency, release consistency, active ratio

Quality 20/25

Yanked ratio, deps, size, maturity, features

Community 19/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
29K/day avg-13%
010K20K30K40K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v1.1.3
31%
v1.1.2
22%
v1.1.1
21%
v1.0.10
21%
v1.0.13
5%

Release Timeline

10 releasessince 2022
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2023
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2024
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2025
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2026
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Feature Flags

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README

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Maintainers

Dependencies
9
direct dependencies
Dependents
10.9K
crates depend on assert_fs

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