stelae 0.6.6

A collection of tools in Rust and Python for preserving, authenticating, and accessing laws in perpetuity.
Documentation 
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//! benchmark for git utils
#![allow(clippy::self_named_module_files)]
#![allow(clippy::implicit_return)]
#![allow(clippy::expect_used)]
#![allow(missing_docs)]

use criterion::{criterion_group, criterion_main, Criterion};
use std::fs::create_dir_all;
use std::path::PathBuf;
use std::sync::Once;
use stelae::utils::git::Repo;

/// get the path to the test archive at `$REPO_ROOT/tests/fixtures/archive`.
fn get_test_archive_path() -> PathBuf {
    let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
    path.push("tests/fixtures/basic/archive");
    path
}

/// ensure `initialize` function, below, is only called once
static INIT: Once = Once::new();

/// Bare git repo(s) in test archive must have `refs/heads` and
/// `refs/tags` folders. They are empty, so not stored in git,
/// so must be created
pub fn initialize() {
    INIT.call_once(|| {
        let repo_path = get_test_archive_path().join(PathBuf::from("test/law-html"));
        let heads_path = repo_path.join(PathBuf::from("refs/heads"));
        create_dir_all(heads_path).expect("Something went wrong creating the refs/heads folder");
        let tags_path = repo_path.join(PathBuf::from("refs/tags"));
        create_dir_all(tags_path).expect("Something went wrong getting the ref/tags folder");
    });
}

/// Measure the speed of the git utils
fn bench_repo() {
    initialize();
    let test_archive_path = get_test_archive_path();
    let repo = Repo::new(&test_archive_path, "test", "law-html")
        .expect("Something went wrong creating the repo");
    repo.get_bytes_at_path("4ba432f61eec15194db527548be4cbc0105635b9", "a/b/c.html")
        .expect("Something went wrong calling `get_bytes_at_path`");
}

/// Initialize criterion benchmarks
fn criterion_benchmark(c: &mut Criterion) {
    c.bench_function("get_bytes_at_path", |b| b.iter(bench_repo));
}

criterion_group!(benches, criterion_benchmark);

criterion_main!(benches);