proxmox-backup/tests/blob_writer.rs

101 lines
3.2 KiB
Rust

use anyhow::{bail, Error};
use std::sync::Arc;
use std::io::Cursor;
use std::io::{Read, Write, Seek, SeekFrom };
use lazy_static::lazy_static;
use pbs_datastore::{CryptConfig, DataBlob, DataBlobReader, DataBlobWriter};
lazy_static! {
static ref TEST_DATA: Vec<u8> = {
let mut data = Vec::new();
for i in 0..100_000 {
data.push((i%255) as u8);
}
data
};
static ref CRYPT_CONFIG: Arc<CryptConfig> = {
let key = [1u8; 32];
Arc::new(CryptConfig::new(key).unwrap())
};
static ref TEST_DIGEST_PLAIN: [u8; 32] = [83, 154, 96, 195, 167, 204, 38, 142, 204, 224, 130, 201, 24, 71, 2, 188, 130, 155, 177, 6, 162, 100, 61, 238, 38, 219, 63, 240, 191, 132, 87, 238];
static ref TEST_DIGEST_ENC: [u8; 32] = [50, 162, 191, 93, 255, 132, 9, 14, 127, 23, 92, 39, 246, 102, 245, 204, 130, 104, 4, 106, 182, 239, 218, 14, 80, 17, 150, 188, 239, 253, 198, 117];
}
fn verify_test_blob(mut cursor: Cursor<Vec<u8>>, digest: &[u8; 32]) -> Result<(), Error> {
// run read tests with different buffer sizes
for size in [1, 3, 64*1024].iter() {
println!("Starting DataBlobReader test (size = {})", size);
cursor.seek(SeekFrom::Start(0))?;
let mut reader = DataBlobReader::new(&mut cursor, Some(CRYPT_CONFIG.clone()))?;
let mut buffer = Vec::<u8>::new();
// read the whole file
//reader.read_to_end(&mut buffer)?;
let mut buf = vec![0u8; *size];
loop {
let count = reader.read(&mut buf)?;
if count == 0 { break; }
buffer.extend(&buf[..count]);
}
reader.finish()?;
if buffer != *TEST_DATA {
bail!("blob data is wrong (read buffer size {})", size);
}
}
let raw_data = cursor.into_inner();
let blob = DataBlob::load_from_reader(&mut &raw_data[..])?;
let data = blob.decode(Some(&CRYPT_CONFIG), Some(digest))?;
if data != *TEST_DATA {
bail!("blob data is wrong (decode)");
}
Ok(())
}
#[test]
fn test_uncompressed_blob_writer() -> Result<(), Error> {
let tmp = Cursor::new(Vec::<u8>::new());
let mut blob_writer = DataBlobWriter::new_uncompressed(tmp)?;
blob_writer.write_all(&TEST_DATA)?;
verify_test_blob(blob_writer.finish()?, &*TEST_DIGEST_PLAIN)
}
#[test]
fn test_compressed_blob_writer() -> Result<(), Error> {
let tmp = Cursor::new(Vec::<u8>::new());
let mut blob_writer = DataBlobWriter::new_compressed(tmp)?;
blob_writer.write_all(&TEST_DATA)?;
verify_test_blob(blob_writer.finish()?, &*TEST_DIGEST_PLAIN)
}
#[test]
fn test_encrypted_blob_writer() -> Result<(), Error> {
let tmp = Cursor::new(Vec::<u8>::new());
let mut blob_writer = DataBlobWriter::new_encrypted(tmp, CRYPT_CONFIG.clone())?;
blob_writer.write_all(&TEST_DATA)?;
verify_test_blob(blob_writer.finish()?, &*TEST_DIGEST_ENC)
}
#[test]
fn test_encrypted_compressed_blob_writer() -> Result<(), Error> {
let tmp = Cursor::new(Vec::<u8>::new());
let mut blob_writer = DataBlobWriter::new_encrypted_compressed(tmp, CRYPT_CONFIG.clone())?;
blob_writer.write_all(&TEST_DATA)?;
verify_test_blob(blob_writer.finish()?, &*TEST_DIGEST_ENC)
}