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assert-cmd

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library2.2.2rscratesunverified

Test CLI applications by running them as subprocesses and asserting on their output and exit status.

testingcli
github ↗homepage ↗docs ↗
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Code
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use assert_cmd::Command;

Runs a CLI binary and asserts that it succeeds and prints help text.

use assert_cmd::Command; let mut cmd = Command::cargo_bin("my_cli").unwrap(); let assert = cmd.arg("--help").assert(); assert.success().stdout(predicates::str::contains("Usage"));
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Resources
githubhttps://github.com/assert-rs/assert_cmd ↗
homepagehttps://github.com/assert-rs/assert_cmd ↗
docshttps://docs.rs/assert_cmd/ ↗