proxmox-backup/proxmox-rrd/tests/file_format_test.rs
2021-10-19 18:41:03 +02:00

60 lines
1.4 KiB
Rust

use std::path::Path;
use std::process::Command;
use anyhow::{bail, Error};
use proxmox_rrd::rrd::RRD;
use proxmox::tools::fs::CreateOptions;
fn compare_file(fn1: &str, fn2: &str) -> Result<(), Error> {
let status = Command::new("/usr/bin/cmp")
.arg(fn1)
.arg(fn2)
.status()
.expect("failed to execute process");
if !status.success() {
bail!("file compare failed");
}
Ok(())
}
const RRD_V1_FN: &str = "./tests/testdata/cpu.rrd_v1";
const RRD_V2_FN: &str = "./tests/testdata/cpu.rrd_v2";
// make sure we can load and convert RRD v1
#[test]
fn upgrade_from_rrd_v1() -> Result<(), Error> {
let rrd = RRD::load(Path::new(RRD_V1_FN), true)?;
const RRD_V2_NEW_FN: &str = "./tests/testdata/cpu.rrd_v2.upgraded";
let new_path = Path::new(RRD_V2_NEW_FN);
rrd.save(new_path, CreateOptions::new(), true)?;
let result = compare_file(RRD_V2_FN, RRD_V2_NEW_FN);
let _ = std::fs::remove_file(RRD_V2_NEW_FN);
result?;
Ok(())
}
// make sure we can load and save RRD v2
#[test]
fn load_and_save_rrd_v2() -> Result<(), Error> {
let rrd = RRD::load(Path::new(RRD_V2_FN), true)?;
const RRD_V2_NEW_FN: &str = "./tests/testdata/cpu.rrd_v2.saved";
let new_path = Path::new(RRD_V2_NEW_FN);
rrd.save(new_path, CreateOptions::new(), true)?;
let result = compare_file(RRD_V2_FN, RRD_V2_NEW_FN);
let _ = std::fs::remove_file(RRD_V2_NEW_FN);
result?;
Ok(())
}