Crate assert_cmd

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

[dependencies]
assert_cmd = "0.2"

Example

Here's a trivial example:

extern crate assert_cmd;

use std::process::Command;
use assert_cmd::prelude::*;

fn main() {
    let mut cmd = Command::main_binary().unwrap();
    cmd.assert().success();
}

Relevant crates

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

• duct for orchestrating multiple processes.
• assert_fs for filesystem fixtures and assertions.
• dir-diff for testing file side-effects.
• tempfile for scratchpad directories.

Modules

prelude

Extension traits that are useful to have available.

Structs

Assert	process::Output assertions.
OutputError	std::process::Output as a Fail.
StdInCommand	std::process::Command with a stdin buffer.

Traits

CommandCargoExt	Extend Command with helpers for running the current crate's binaries.
CommandStdInExt	Extend Command with a helper to pass a buffer to stdin
IntoCodePredicate	Convert to a predicate for testing a program's exit code.
OutputAssertExt	Extend process::Output with assertions.
OutputOkExt	Extends std::process::Output with methods to convert it to an OutputResult.

Functions

cargo_bin_path	Get the path to the specified binary of the current crate.
cargo_example_path	Get the path to the specified example of the current crate.
main_binary_path	Get the path to the crate's main binary.

Type Definitions

OutputResult

std::process::Output represented as a Result.