pinoc 0.3.5

A CLI tool for setting up pinocchio program project
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#![allow(dead_code)]

use std::path::{Path, PathBuf};
use std::process::{Command, Output};
use std::sync::atomic::{AtomicUsize, Ordering};

pub fn fixture(name: &str) -> PathBuf {
    Path::new(env!("CARGO_MANIFEST_DIR"))
        .join("tests/fixtures")
        .join(name)
}

/// Runs the built `pinoc` binary with `args` in `dir`.
pub fn pinoc(dir: &Path, args: &[&str]) -> Output {
    Command::new(env!("CARGO_BIN_EXE_pinoc"))
        .args(args)
        .current_dir(dir)
        .output()
        .expect("failed to run pinoc")
}

pub fn stdout(out: &Output) -> String {
    String::from_utf8_lossy(&out.stdout).into_owned()
}

pub fn stderr(out: &Output) -> String {
    String::from_utf8_lossy(&out.stderr).into_owned()
}

/// Copies a fixture into a fresh temp directory, for tests that write files.
pub fn temp_copy(name: &str) -> PathBuf {
    static NEXT: AtomicUsize = AtomicUsize::new(0);
    let dir = std::env::temp_dir().join(format!(
        "pinoc-test-{}-{}-{name}",
        std::process::id(),
        NEXT.fetch_add(1, Ordering::SeqCst)
    ));
    let _ = std::fs::remove_dir_all(&dir);
    copy_dir(&fixture(name), &dir);
    dir
}

fn copy_dir(from: &Path, to: &Path) {
    std::fs::create_dir_all(to).unwrap();
    for entry in std::fs::read_dir(from).unwrap() {
        let entry = entry.unwrap();
        let dest = to.join(entry.file_name());
        if entry.path().is_dir() {
            copy_dir(&entry.path(), &dest);
        } else {
            std::fs::copy(entry.path(), dest).unwrap();
        }
    }
}

pub fn read_json(path: &Path) -> serde_json::Value {
    serde_json::from_str(&std::fs::read_to_string(path).unwrap()).unwrap()
}