use assert_cmd::prelude::*; // Add methods on commands
use predicates::prelude::*; // Used for writing assertions
use std::process::Command; // Run programs

#[test]
fn file_doesnt_exist() -> Result<(), Box<dyn std::error::Error>> {
	let mut cmd = Command::cargo_bin("jlucktay-grrs")?;

	cmd.arg("foobar").arg("test/file/doesnt/exist");
	cmd
		.assert()
		.failure()
		.stderr(predicate::str::contains("No such file or directory"));

	Ok(())
}

use assert_fs::prelude::*;

#[test]
fn find_content_in_file() -> Result<(), Box<dyn std::error::Error>> {
	let file = assert_fs::NamedTempFile::new("sample.txt")?;
	file.write_str("A test\nActual content\nMore content\nAnother test")?;

	let mut cmd = Command::cargo_bin("jlucktay-grrs")?;
	cmd.arg("test").arg(file.path());
	cmd
		.assert()
		.success()
		.stdout(predicate::str::contains("test\nAnother test"));

	Ok(())
}