# assert_cmd> **Assert `process::Command`** - Easy command initialization and assertions.[![Documentation](https://img.shields.io/badge/docs-master-blue.svg)][Documentation]![License](https://img.shields.io/crates/l/assert_cmd.svg)[![Crates Status](https://img.shields.io/crates/v/assert_cmd.svg)][Crates.io]`assert_cmd` aims to simplify the process for doing integration testing of CLIs, including:- Finding your crate's binary to test- Assert on the result of your program's run.## ExampleHere's a trivial example:```rust,no_runuse assert_cmd::Command;let mut cmd = Command::cargo_bin("bin_fixture").unwrap();cmd.assert().success();```See the [docs](http://docs.rs/assert_cmd) for more.## Relevant cratesOther crates that might be useful in testing command line programs.* [escargot][escargot] for more control over configuring the crate's binary.* [duct][duct] for orchestrating multiple processes.  * or [commandspec] for easier writing of commands* [rexpect][rexpect] for testing interactive programs.* [`assert_fs`][assert_fs] for filesystem fixtures and assertions.  * or [tempfile][tempfile] for scratchpad directories.* [dir-diff][dir-diff] for testing file side-effects.* [cross][cross] for cross-platform testing.[escargot]: http://docs.rs/escargot[rexpect]: https://crates.io/crates/rexpect[dir-diff]: https://crates.io/crates/dir-diff[tempfile]: https://crates.io/crates/tempfile[duct]: https://crates.io/crates/duct[assert_fs]: https://crates.io/crates/assert_fs[commandspec]: https://crates.io/crates/commandspec[cross]: https://github.com/cross-rs/cross## LicenseLicensed under either of* Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or <https://www.apache.org/licenses/LICENSE-2.0>)* MIT license ([LICENSE-MIT](LICENSE-MIT) or <https://opensource.org/license/mit>)at your option.## Testimonialsfitzgen> assert_cmd is just such a pleasure to use every single time, I fall in love all over again>> bravo bravo WG-clipasscod> Running commands and dealing with output can be complex in many many ways, so assert_cmd smoothing that is excellent, very much welcome, and improves ergonomics significantly.volks73>  I have used [assert_cmd] in other projects and I am extremely pleased with itcoreyja> [assert_cmd] pretty much IS my testing strategy so far, though my app under test is pretty small.>> This library has made it really easy to add some test coverage to my project, even when I am just learning how to write Rust!## ContributionUnless you explicitly state otherwise, any contribution intentionallysubmitted for inclusion in the work by you, as defined in the Apache-2.0license, shall be dual-licensed as above, without any additional terms orconditions.[Crates.io]: https://crates.io/crates/assert_cmd[Documentation]: https://docs.rs/assert_cmd