sheeter-engine 1.2.0

Convert, inspect, and transform data files across ten formats with streaming where it matters and auto-detection where it can.
Documentation 
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use assert_cmd::Command;
use std::fs;
use tempfile::tempdir;

fn run(from: &str, to: &str, input: &str, in_ext: &str, out_ext: &str) -> Result<String, String> {
    let dir = tempdir().unwrap();
    let inp = dir.path().join(format!("in.{in_ext}"));
    let out = dir.path().join(format!("out.{out_ext}"));
    fs::write(&inp, input).unwrap();
    let result = Command::cargo_bin("sheeter")
        .unwrap()
        .args([
            "convert",
            "--from",
            from,
            "--to",
            to,
            inp.to_str().unwrap(),
            out.to_str().unwrap(),
        ])
        .output()
        .unwrap();
    if !result.status.success() {
        return Err(String::from_utf8_lossy(&result.stderr).to_string());
    }
    Ok(fs::read_to_string(out).unwrap())
}

#[test]
fn tsv_to_json_cli() {
    let json = run("tsv", "json", "name\tage\nAlice\t30", "tsv", "json").unwrap();
    assert_eq!(json, r#"[{"name":"Alice","age":"30"}]"#);
}

#[test]
fn json_to_tsv_cli() {
    let tsv = run(
        "json",
        "tsv",
        r#"[{"name":"Alice","age":"30"}]"#,
        "json",
        "tsv",
    )
    .unwrap();
    assert_eq!(tsv, "name\tage\nAlice\t30\n");
}