test(bench): add basic benchmark

This commit is contained in:
Kristofers Solo 2025-03-31 13:55:33 +03:00
parent bee7bd2097
commit 385a4bf20e
3 changed files with 632 additions and 3 deletions

482
Cargo.lock generated
View File

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]

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@ -33,9 +33,17 @@ tracing-subscriber = "0.3"
which = "7.0"
[dev-dependencies]
criterion = "0.5"
csv = "1.3"
serde = { version = "1", features = ["derive"] }
tempfile = "3.19"
[lints.clippy]
pedantic = "warn"
nursery = "warn"
unwrap_used = "warn"
expect_used = "warn"
[[bench]]
name = "benchmark"
harness = false

145
benches/benchmark.rs Normal file
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@ -0,0 +1,145 @@
use anyhow::Result;
use criterion::{Criterion, criterion_group, criterion_main};
use csv::Reader;
use serde::{Deserialize, Deserializer};
use std::{
fs::{File, create_dir_all},
path::{Path, PathBuf},
process::Command,
str::FromStr,
u64,
};
use tempfile::TempDir;
const BASE_DIR: &str = env!("CARGO_MANIFEST_DIR");
#[allow(dead_code)]
#[derive(Debug, Clone, Default, Deserialize)]
struct Size(u64);
#[allow(dead_code)]
#[derive(Debug, Clone, Default, Deserialize)]
struct Modified(u64);
#[allow(dead_code)]
#[derive(Debug, Clone, Deserialize)]
struct Permissions(u32);
impl Default for Permissions {
fn default() -> Self {
Self(644)
}
}
#[derive(Debug, Clone, PartialEq)]
enum EntryType {
Dir,
File,
Symlink,
Other(String),
}
impl FromStr for EntryType {
type Err = String;
fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
match s {
"dir" => Ok(Self::Dir),
"file" => Ok(Self::File),
"symlink" => Ok(Self::Symlink),
other if other.is_empty() => Err("Empty entry type".to_string()),
other => Ok(Self::Other(other.into())),
}
}
}
impl<'de> Deserialize<'de> for EntryType {
fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
where
D: Deserializer<'de>,
{
let s = String::deserialize(deserializer)?;
Self::from_str(&s).map_err(serde::de::Error::custom)
}
}
#[allow(dead_code)]
#[derive(Debug, Clone, Deserialize)]
struct FileEntry {
#[serde(rename = "type")]
entry_type: EntryType,
directory: PathBuf,
path: PathBuf,
#[serde(default)]
size: Size,
#[serde(default)]
modified: Modified,
#[serde(default)]
permissions: Permissions,
}
impl FileEntry {
fn to_tempfile(&self, base: &Path) -> Result<()> {
let full_path = base.join(&self.path);
match self.entry_type {
EntryType::Dir => create_dir(&full_path),
EntryType::File => create_file(&full_path),
EntryType::Symlink => Ok(()),
EntryType::Other(_) => Ok(()),
}
}
}
fn create_file(path: &Path) -> Result<()> {
if let Some(parent) = path.parent() {
create_dir(parent)?;
}
File::create(path)?;
Ok(())
}
fn create_dir(path: &Path) -> Result<()> {
create_dir_all(path)?;
Ok(())
}
fn process_directory(path: &Path) {
let binary_path = PathBuf::from(BASE_DIR).join("target/release/project-finder");
Command::new(binary_path)
.arg(path)
.output()
.expect("failed to run binary");
}
fn setup_entries() -> Result<TempDir> {
let temp_dir = TempDir::new()?;
println!("Temporary directory: {:?}", temp_dir.path());
let csv_path = PathBuf::from(BASE_DIR)
.join("benches/fixtures")
.join("snapshot-2025-03-31_09-20-03.csv");
let mut rdr = Reader::from_path(csv_path)?;
rdr.deserialize::<FileEntry>()
.for_each(|entry| match entry {
Ok(entry) => {
if let Err(e) = entry.to_tempfile(temp_dir.path()) {
// eprintln!("Error processing entry: {}", e);
}
}
Err(e) => eprintln!("Failed to deserialize entry: {}", e),
});
Ok(temp_dir)
}
fn benchmark_processing(c: &mut Criterion) {
let temp_dir = setup_entries().expect("Failed to setup file entries");
c.bench_function("process_directory", |b| {
b.iter(|| process_directory(temp_dir.path()))
});
}
criterion_group!(benches, benchmark_processing);
criterion_main!(benches);