fe-cli-vgd 0.1.0

A tool to search files
Documentation 
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use std::process::Command;

use assert_cmd::prelude::*;
use assert_fs::prelude::*;
use predicates::prelude::*;

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

    cmd.arg("foobar").arg("test/file/doesn/exist");
    cmd.assert()
        .failure()
        .stderr(predicate::str::contains("cannot find the path specified"));

    Ok(())
}

#[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("fe-cli")?;

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

    Ok(())
}

#[test]
fn accept_empty_pattern() -> Result<(), Box<dyn std::error::Error>> {
    let file = assert_fs::NamedTempFile::new("sample.txt")?;
    let content = "Some content on Line-1\nSome other content on Line-2";
    file.write_str(content)?;

    let mut cmd = Command::cargo_bin("fe-cli")?;
    cmd.arg("").arg(file.path());

    cmd.assert()
        .success()
        .stdout(predicate::str::contains(content));

    Ok(())
}