177516bcbe
This diff makes positional argument parsing much cleaner, along with adding a bunch of tests. Just's positional argument parsing is rather, complex, so hopefully this reform allows it to both be correct and stay correct. User-visible changes: - `just ..` is now accepted, with the same effect as `just ../` - `just .` is also accepted, with the same effect as `just` - It is now an error to pass arguments or overrides to subcommands that do not accept them, namely `--dump`, `--edit`, `--list`, `--show`, and `--summary`. It is also an error to pass arguments to `--evaluate`, although `--evaluate` does of course still accept overrides. (This is a breaking change, but hopefully worth it, as it will allow us to add arguments to subcommands which did not previously take them, if we so desire.) - Subcommands which do not accept arguments may now accept a single search-directory argument, so `just --list ../` and `just --dump foo/` are now accepted, with the former starting the search for the justfile to list in the parent directory, and the latter starting the search for the justfile to dump in `foo`.
use std::{fs, process::Command};
use executable_path::executable_path;
use test_utilities::{assert_success, tempdir};
#[test]
fn readme() {
let mut justfiles = vec![];
let mut current = None;
for line in fs::read_to_string("README.adoc").unwrap().lines() {
if let Some(mut justfile) = current {
if line == "```" {
justfiles.push(justfile);
current = None;
} else {
justfile += line;
justfile += "\n";
current = Some(justfile);
}
} else if line == "```make" {
current = Some(String::new());
}
}
for justfile in justfiles {
let tmp = tempdir();
let path = tmp.path().join("justfile");
fs::write(&path, &justfile).unwrap();
let output = Command::new(executable_path("just"))
.current_dir(tmp.path())
.arg("--dump")
.output()
.unwrap();
assert_success(&output);
}
}