node-prune 1.0.0

Remove unnecessary files from node_modules
Documentation 
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use assert_cmd::prelude::*;
use node_prune::Stats;
use predicates::str;
use serde_json::json;
use std::process::Command;

#[test]
fn dir_not_exist() -> Result<(), Box<dyn std::error::Error>> {
    let mut cmd = Command::cargo_bin("node-prune")?;
    let stats: Stats = Default::default();
    let stats_json = format!("{}", json!(&stats));
    cmd.arg("-p")
        .arg("node_modules")
        .assert()
        .stdout(str::contains(&stats_json));
    Ok(())
}

#[test]
fn dir_is_empty() -> Result<(), Box<dyn std::error::Error>> {
    std::fs::create_dir("benches")?;
    let mut cmd = Command::cargo_bin("node-prune")?;
    let stats: Stats = Default::default();
    let stats_json = format!("{}", json!(&stats));
    cmd.arg("-p")
        .arg("benches")
        .assert()
        .stdout(str::contains(&stats_json));
    std::fs::remove_dir("benches")?;
    Ok(())
}