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feat(tvix/derivation): add nix drv path generation to Derivation

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This adds a function to generate the derivation path. The computation
is based on the Go implementation.

Change-Id: Iae89db4976f5fd9208f0453f73688689a245cd66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7729
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
This commit is contained in:
Jürgen Hahn 2023-01-02 16:09:18 +01:00 • committed by jrhahn
parent 79c05f3810
commit 6f993b8bde
7 changed files with 137 additions and 4 deletions
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17
tvix/derivation/src/tests/mod.rs
View file

@ -2,8 +2,11 @@ use crate::derivation::Derivation;
use std::fs::File;
use std::io::Read;
use std::path::Path;
use test_case::test_case;
use test_generator::test_resources;
const RESOURCES_PATHS: &str = "src/tests/derivation_tests";
fn read_file(path: &str) -> String {
let path = Path::new(path);
let mut file = File::open(path).unwrap();
@ -36,3 +39,17 @@ fn check_to_string(path_to_drv_file: &str) {
assert_eq!(expected, derivation.to_string());
}
#[test_case("bar","0hm2f1psjpcwg8fijsmr4wwxrx59s092-bar.drv"; "fixed_sha256")]
#[test_case("foo", "4wvvbi4jwn0prsdxb7vs673qa5h9gr7x-foo.drv"; "simple-sha256")]
#[test_case("bar", "ss2p4wmxijn652haqyd7dckxwl4c7hxx-bar.drv"; "fixed-sha1")]
#[test_case("foo", "ch49594n9avinrf8ip0aslidkc4lxkqv-foo.drv"; "simple-sha1")]
#[test_case("has-multi-out", "h32dahq0bx5rp1krcdx3a53asj21jvhk-has-multi-out.drv"; "multiple-outputs")]
#[test_case("structured-attrs", "9lj1lkjm2ag622mh4h9rpy6j607an8g2-structured-attrs.drv"; "structured-attrs")]
#[test_case("unicode", "52a9id8hx688hvlnz4d1n25ml1jdykz0-unicode.drv"; "unicode")]
fn derivation_path(name: &str, expected_path: &str) {
let data = read_file(&format!("{}/{}.json", RESOURCES_PATHS, expected_path));
let derivation: Derivation = serde_json::from_str(&data).expect("JSON was not well-formatted");
assert_eq!(derivation.calculate_derivation_path(name), expected_path);
}