131 lines
3.4 KiB
Rust
131 lines
3.4 KiB
Rust
use std::sync::Arc;
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use bytes::Bytes;
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use tempfile::{tempdir, TempDir};
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use super::*;
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use crate::iterators::impls::StorageIterator;
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use crate::table::SsTableBuilder;
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#[test]
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fn test_sst_build_single_key() {
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let mut builder = SsTableBuilder::new(16);
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builder.add(b"233", b"233333");
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let dir = tempdir().unwrap();
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builder.build_for_test(dir.path().join("1.sst")).unwrap();
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}
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#[test]
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fn test_sst_build_two_blocks() {
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let mut builder = SsTableBuilder::new(16);
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builder.add(b"11", b"11");
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builder.add(b"22", b"22");
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builder.add(b"33", b"11");
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builder.add(b"44", b"22");
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builder.add(b"55", b"11");
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builder.add(b"66", b"22");
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assert!(builder.meta.len() >= 2);
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let dir = tempdir().unwrap();
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builder.build_for_test(dir.path().join("1.sst")).unwrap();
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}
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fn key_of(idx: usize) -> Vec<u8> {
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format!("key_{:03}", idx * 5).into_bytes()
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}
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fn value_of(idx: usize) -> Vec<u8> {
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format!("value_{:010}", idx).into_bytes()
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}
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fn num_of_keys() -> usize {
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100
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}
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fn generate_sst() -> (TempDir, SsTable) {
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let mut builder = SsTableBuilder::new(128);
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for idx in 0..num_of_keys() {
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let key = key_of(idx);
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let value = value_of(idx);
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builder.add(&key[..], &value[..]);
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}
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let dir = tempdir().unwrap();
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let path = dir.path().join("1.sst");
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(dir, builder.build_for_test(path).unwrap())
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}
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#[test]
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fn test_sst_build_all() {
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generate_sst();
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}
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#[test]
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fn test_sst_decode() {
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let (_dir, sst) = generate_sst();
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let meta = sst.block_metas.clone();
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let new_sst = SsTable::open_for_test(sst.file).unwrap();
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assert_eq!(new_sst.block_metas, meta);
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}
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fn as_bytes(x: &[u8]) -> Bytes {
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Bytes::copy_from_slice(x)
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}
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#[test]
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fn test_sst_iterator() {
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let (_dir, sst) = generate_sst();
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let sst = Arc::new(sst);
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let mut iter = SsTableIterator::create_and_seek_to_first(sst).unwrap();
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for _ in 0..5 {
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for i in 0..num_of_keys() {
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let key = iter.key();
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let value = iter.value();
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assert_eq!(
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key,
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key_of(i),
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"expected key: {:?}, actual key: {:?}",
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as_bytes(&key_of(i)),
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as_bytes(key)
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);
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assert_eq!(
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value,
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value_of(i),
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"expected value: {:?}, actual value: {:?}",
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as_bytes(&value_of(i)),
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as_bytes(value)
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);
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iter.next().unwrap();
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}
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iter.seek_to_first().unwrap();
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}
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}
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#[test]
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fn test_sst_seek_key() {
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let (_dir, sst) = generate_sst();
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let sst = Arc::new(sst);
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let mut iter = SsTableIterator::create_and_seek_to_key(sst, &key_of(0)).unwrap();
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for offset in 1..=5 {
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for i in 0..num_of_keys() {
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let key = iter.key();
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let value = iter.value();
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assert_eq!(
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key,
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key_of(i),
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"expected key: {:?}, actual key: {:?}",
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as_bytes(&key_of(i)),
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as_bytes(key)
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);
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assert_eq!(
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value,
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value_of(i),
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"expected value: {:?}, actual value: {:?}",
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as_bytes(&value_of(i)),
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as_bytes(value)
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);
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iter.seek_to_key(&format!("key_{:03}", i * 5 + offset).into_bytes())
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.unwrap();
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}
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iter.seek_to_key(b"k").unwrap();
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}
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}
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