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assert_cmd

v2.2.0 Stable

Test CLI Applications.

MIT OR Apache-2.0 Edition 2024 MSRV 1.85
Development tools::Testing #command#assert#test#cli#duct

Quick Verdict

  • Actively maintained (updated 17d ago)
  • Stable API (2.x for 7+ years)
  • Massive adoption (32.2K crates depend on it)
  • Team maintained (2 owners)
  • Permissive license (MIT OR Apache-2.0)

Security

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Downloads
55.8M
Dependents
32.2K
Releases
48
Size
28KB

Deep Insights

📈
Strong growth momentum

4.4M downloads in the last 30 days (147.2K/day), up 26% from the previous period.

🏛️
Foundational crate

32.2K crates depend on assert_cmd — 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 48 releases. This level of maturity means you can depend on it without worrying about breaking changes.

📐
Compact crate

At 27KB, assert_cmd is lightweight. Small crate size correlates with focused, well-scoped functionality.

🌟
Used by top crates

Notable dependents include inferno, rav1e, arrow-flight, wasm-bindgen-cli, refinery. When high-quality crates choose assert_cmd, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

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
118K/day avg+58%
050K100K150K200K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v2.0.14
34%
v2.0.17
29%
v2.0.16
19%
v2.0.12
10%
v2.1.1
8%

Release Timeline

48 releasessince 2018
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2018
11
2019
3
2020
5
2021
9
2022
5
2023
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2024
4
2025
3
2026
3
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Feature Flags

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README

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Maintainers

Dependencies
10
direct dependencies
Dependents
32.2K
crates depend on assert_cmd

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