assert_cmd

Assert process::Command - Easy command initialization and assertions.

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.

Install

Add to your Cargo.toml:

[dependencies]
assert_cmd = "0.12.2"

Example

Here's a trivial example:

use assert_cmd::Command;

let mut cmd = Command::cargo_bin("bin_fixture").unwrap();
cmd.assert().success();

See the docs for more.

Relevant crates

Other crates that might be useful in testing command line programs.

• escargot for more control over configurin the crate's binary.
• duct for orchestrating multiple processes.
  • or commandspec for easier writing of commands
• rexpect for testing interactive programs.
• assert_fs for filesystem fixtures and assertions.
  • or tempfile for scratchpad directories.
• dir-diff for testing file side-effects.

License

Licensed under either of

• Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.