use assert_cmd::prelude::*; // Add methods on commands use predicates::prelude::*; // Used for writing assertions use std::process::Command; // Run programs #[test] fn success() -> Result<(), Box> { let mut cmd = Command::cargo_bin("tmpo")?; cmd.arg("repository"); cmd.arg("list"); cmd.assert().success().stdout(predicate::str::contains("Default")); Ok(()) }