LeVCS/crates/levcs-cli/tests/polish.rs

117 lines
4.0 KiB
Rust

//! Tests covering polish on construct/status/diff.
use std::path::{Path, PathBuf};
use std::process::Command;
fn levcs_bin() -> String {
env!("CARGO_BIN_EXE_levcs").to_string()
}
fn run(args: &[&str], cwd: &Path, xdg: &Path) -> (i32, String, String) {
let out = Command::new(levcs_bin())
.args(args)
.current_dir(cwd)
.env("XDG_CONFIG_HOME", xdg)
.output()
.expect("run levcs");
(
out.status.code().unwrap_or(-1),
String::from_utf8_lossy(&out.stdout).to_string(),
String::from_utf8_lossy(&out.stderr).to_string(),
)
}
fn tempdir(prefix: &str) -> PathBuf {
let mut p = std::env::temp_dir();
let n = std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.map(|d| d.as_nanos())
.unwrap_or(0);
p.push(format!("{prefix}-{n}-{}", std::process::id()));
std::fs::create_dir_all(&p).unwrap();
p
}
fn init_repo() -> (PathBuf, PathBuf) {
let work = tempdir("levcs-polish");
let xdg = work.join("cfg");
std::fs::create_dir_all(&xdg).unwrap();
assert_eq!(run(&["init", "--key", "alice"], &work, &xdg).0, 0);
(work, xdg)
}
#[test]
fn construct_restricted_to_paths_only_rewrites_those_files() {
let (work, xdg) = init_repo();
std::fs::write(work.join("a.txt"), b"a v1\n").unwrap();
std::fs::write(work.join("b.txt"), b"b v1\n").unwrap();
assert_eq!(run(&["track", "--all"], &work, &xdg).0, 0);
assert_eq!(run(&["commit", "-m", "v1"], &work, &xdg).0, 0);
// Modify both files in the working tree.
std::fs::write(work.join("a.txt"), b"a dirty\n").unwrap();
std::fs::write(work.join("b.txt"), b"b dirty\n").unwrap();
// Restore only a.txt from HEAD.
let (code, _, e) = run(&["construct", "a.txt"], &work, &xdg);
assert_eq!(code, 0, "construct a.txt: {e}");
assert_eq!(
std::fs::read_to_string(work.join("a.txt")).unwrap(),
"a v1\n"
);
assert_eq!(
std::fs::read_to_string(work.join("b.txt")).unwrap(),
"b dirty\n"
);
}
#[test]
fn construct_release_default_uses_latest_release() {
let (work, xdg) = init_repo();
std::fs::write(work.join("a.txt"), b"v1\n").unwrap();
assert_eq!(run(&["track", "--all"], &work, &xdg).0, 0);
assert_eq!(run(&["commit", "-m", "v1"], &work, &xdg).0, 0);
assert_eq!(run(&["release", "1.0.0"], &work, &xdg).0, 0);
// Add another commit after the release; do NOT release it.
std::fs::write(work.join("a.txt"), b"v2\n").unwrap();
assert_eq!(run(&["commit", "-m", "v2"], &work, &xdg).0, 0);
// Dirty the working tree, then construct --release: should restore to 1.0.0.
std::fs::write(work.join("a.txt"), b"dirty\n").unwrap();
let (code, _, e) = run(&["construct", "--release"], &work, &xdg);
assert_eq!(code, 0, "construct --release: {e}");
assert_eq!(std::fs::read_to_string(work.join("a.txt")).unwrap(), "v1\n");
}
#[test]
fn status_shows_release_when_one_exists() {
let (work, xdg) = init_repo();
std::fs::write(work.join("a.txt"), b"hello\n").unwrap();
assert_eq!(run(&["track", "--all"], &work, &xdg).0, 0);
assert_eq!(run(&["commit", "-m", "first"], &work, &xdg).0, 0);
assert_eq!(run(&["release", "0.1.0"], &work, &xdg).0, 0);
let (code, o, _) = run(&["status"], &work, &xdg);
assert_eq!(code, 0);
assert!(o.contains("Release"));
assert!(o.contains("0.1.0"));
}
#[test]
fn diff_restricted_to_paths_skips_other_changes() {
let (work, xdg) = init_repo();
std::fs::write(work.join("a.txt"), b"a base\n").unwrap();
std::fs::write(work.join("b.txt"), b"b base\n").unwrap();
assert_eq!(run(&["track", "--all"], &work, &xdg).0, 0);
assert_eq!(run(&["commit", "-m", "base"], &work, &xdg).0, 0);
std::fs::write(work.join("a.txt"), b"a edited\n").unwrap();
std::fs::write(work.join("b.txt"), b"b edited\n").unwrap();
let (code, o, _) = run(&["diff", "a.txt"], &work, &xdg);
assert_eq!(code, 0);
assert!(o.contains("a/a.txt"));
assert!(!o.contains("a/b.txt"), "should not diff b.txt: {o}");
}