rust_cli_tool_grrs 0.1.0

A tool to read files
Documentation 
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use assert_cmd::Command;
use assert_fs::prelude::*;
use predicates::prelude::predicate;

#[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("grrs_vaishnav")?;

    cmd.arg("test").arg(file.path());

    cmd.assert()
        .success()
        .stdout(predicate::str::contains("A test\nAnother test"));

    Ok(())
}