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assert_cmd

v2.2.2 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 63d ago)
  • Stable API (2.x for 8+ years)
  • Massive adoption (46.7K crates depend on it)
  • Team maintained (2 owners)
  • Permissive license (MIT OR Apache-2.0)

Security

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Downloads
70.6M
Dependents
46.7K
Releases
50
Size
28KB

Deep Insights

📊
Steady growth

4.5M downloads in the last 30 days (151.2K/day), up 4% from the previous period.

🏛️
Foundational crate

46.7K 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 8+ years

The API has been stable (1.x) for over 8 years with 50 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, rapidhash, arrow-flight, refinery. When high-quality crates choose assert_cmd, it's a strong quality signal.

Health Breakdown

Maintenance 15/25

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
126K/day avg-34%
050K100K150K200K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v2.0.17
39%
v2.0.16
27%
v2.1.1
14%
v2.1.2
12%
v2.2.2
8%

Release Timeline

10 releasessince 2024
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2026
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Feature Flags

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README

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Maintainers

Dependencies
10
direct dependencies
Dependents
46.7K
crates depend on assert_cmd

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