nixcp/tests/path_info.rs

97 lines
2.8 KiB
Rust

use nixcp::path_info::PathInfo;
use std::{collections::HashSet, path::PathBuf, process::Command};
use tempfile::TempDir;
use crate::common::{HELLO, HELLO_DRV, HELLO_PATH, NIXCP_DRV, NIXCP_PKG};
mod common;
#[tokio::test]
async fn path_info_from_package() {
let ctx = common::context();
let path = PathBuf::from(HELLO);
let path_info = PathInfo::from_derivation(&path, &ctx.store)
.await
.expect("get pathinfo from package");
assert_eq!(path_info.path.to_absolute_path(), HELLO_DRV);
}
#[tokio::test]
async fn path_info_from_path() {
let ctx = common::context();
let path = PathBuf::from(HELLO_PATH);
let path_info = PathInfo::from_derivation(&path, &ctx.store)
.await
.expect("get pathinfo from package");
assert_eq!(path_info.path.to_absolute_path(), HELLO_DRV);
}
#[tokio::test]
async fn path_info_symlink() {
let ctx = common::context();
let temp_path = TempDir::new().unwrap();
let link_path = temp_path.path().join("result");
// symlink at ./result (like `nix build`)
std::os::unix::fs::symlink(HELLO_PATH, &link_path).unwrap();
// should resolve symlink
let path_info = PathInfo::from_derivation(&link_path, &ctx.store)
.await
.expect("get pathinfo from package");
assert_eq!(path_info.path.to_absolute_path(), HELLO_DRV);
}
#[tokio::test]
async fn closure_includes_nix_store_requisites() {
let ctx = common::context();
let path = PathBuf::from(HELLO);
let path_info = PathInfo::from_derivation(&path, &ctx.store)
.await
.expect("get pathinfo from package");
// get what we think is the closure
let mut closure: HashSet<String> = path_info
.get_closure(&ctx.store)
.await
.unwrap()
.iter()
.map(|x| x.path.to_absolute_path())
.collect();
// for a somewhat more complicated case
common::ensure_exists(NIXCP_PKG);
let path = PathBuf::from(NIXCP_PKG);
let path_info = PathInfo::from_derivation(&path, &ctx.store)
.await
.expect("get pathinfo from package");
closure.extend(
path_info
.get_closure(&ctx.store)
.await
.unwrap()
.iter()
.map(|x| x.path.to_absolute_path()),
);
// get output of `nix-store --query --requisites --include-outputs`
let nix_store_out = Command::new("nix-store")
.arg("--query")
.arg("--requisites")
.arg("--include-outputs")
.arg(HELLO_DRV)
.arg(NIXCP_DRV)
.output()
.unwrap()
.stdout;
assert!(!nix_store_out.is_empty());
let ref_closure = String::from_utf8_lossy(&nix_store_out);
let ref_closure = ref_closure.split_whitespace();
// check that we didn't miss anything nix-store would catch
for path in ref_closure {
assert!(closure.contains(path));
}
}