ktrs-cli 0.5.1

Command-line front ends: `ktrs` and flag-compatible `ktfmt` and `ktlint` (binaries: the root `ktrs` package)
Documentation 
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//! `ktrs fmt`'s own flags (the `ktfmt` drop-in has ktfmt's tests).

mod common;

use common::{TempDir, strings, write_text};
use ktrs_cli::ktfmt::Main;
use ktrs_cli::ktrs::parse_fmt_args;

/// Runs `ktrs fmt <args>` with `input` on stdin: exit code and stdout.
fn fmt(input: &str, args: &[&str]) -> (i32, String) {
    let parsed = parse_fmt_args(&strings(args)).unwrap();
    let main = Main::new(std::io::Cursor::new(input.as_bytes().to_vec()), Vec::new(), Vec::new());
    let exit_code = main.run_parsed(&parsed);
    (exit_code, String::from_utf8(main.into_streams().0).unwrap())
}

const CODE: &str = "fun f() {\n  val x = 1\n}\n";

#[test]
fn styles() {
    assert_eq!(fmt(CODE, &["-"]).1, CODE);
    assert_eq!(fmt(CODE, &["--style", "kotlinlang", "-"]).1, "fun f() {\n    val x = 1\n}\n");
    assert_eq!(fmt(CODE, &["--style=kotlinlang", "-"]).1, "fun f() {\n    val x = 1\n}\n");
}

#[test]
fn editorconfig_applies_to_stdin_at_the_stdin_name() {
    let dir = TempDir::new("ktrs-fmt-stdin-editorconfig");
    write_text(&dir.path().join(".editorconfig"), "root = true\n[*.kt]\nindent_size = 8\n");
    let name = dir.path().join("src").join("A.kt").display().to_string();
    let with = fmt(CODE, &["--editorconfig", "--stdin-name", &name, "-"]);
    assert_eq!(with, (0, "fun f() {\n        val x = 1\n}\n".to_owned()));
    assert_eq!(fmt(CODE, &["--stdin-name", &name, "-"]).1, CODE, "only with --editorconfig");
    assert_eq!(fmt(CODE, &["--editorconfig", "-"]).1, CODE, "no name, no lookup");
}

#[test]
fn bad_arguments() {
    assert!(parse_fmt_args(&strings(&["--style", "pretty"])).is_err());
    assert!(parse_fmt_args(&strings(&["--bogus"])).is_err());
    assert!(parse_fmt_args(&strings(&["-", "A.kt"])).is_err());
    assert!(parse_fmt_args(&strings(&["--stdin-name", "A.kt", "A.kt"])).is_err());
}