pub(crate) use reddb_file::OperationalManifest;
#[cfg(test)]
mod tests {
use std::fs;
use std::path::PathBuf;
use super::*;
use crate::storage::unified::UnifiedStore;
#[test]
fn store_reuses_manifest_replay_state_across_operations() {
let directory = tempfile::tempdir().expect("temp directory");
let path = directory.path().join("cached.rdb");
let store = UnifiedStore::new();
let manifest = store.operational_manifest_for_path(&path);
let names = (0..200)
.map(|id| format!("collection-{id}"))
.collect::<Vec<_>>();
manifest.recover_or_bootstrap(&names).expect("bootstrap");
drop(manifest);
let warm = store.operational_manifest_for_path(&path);
let mut reader = warm.begin_incremental_read().expect("open").expect("head");
assert!(reader.step(512).expect("cached replay").complete);
let cold = OperationalManifest::for_db_path(&path);
let mut reader = cold.begin_incremental_read().expect("open").expect("head");
assert!(!reader.step(512).expect("cold bounded replay").complete);
}
fn temp_db_path(name: &str) -> PathBuf {
let nanos = std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.unwrap()
.as_nanos();
let dir = std::env::temp_dir().join(format!(
"reddb_operational_manifest_{name}_{}_{}",
std::process::id(),
nanos
));
fs::create_dir_all(&dir).unwrap();
dir.join(reddb_file::DEFAULT_DATABASE_FILE_NAME)
}
#[test]
fn manifest_update_ignores_interrupted_next_generation_publish() {
let path = temp_db_path("interrupted_update");
{
let store = UnifiedStore::open(&path).unwrap();
store.create_collection("users").unwrap();
}
let manifest = OperationalManifest::for_db_path(&path);
let generation = manifest.read_generation_for_test().unwrap();
manifest.write_next_manifest_for_test("ghost").unwrap();
let reopened = UnifiedStore::open(&path).unwrap();
assert!(reopened.get_collection("users").is_some());
assert!(reopened.get_collection("ghost").is_none());
assert_eq!(manifest.read_generation_for_test().unwrap(), generation);
}
#[test]
fn interrupted_create_quarantines_prepared_unpublished_file() {
let path = temp_db_path("interrupted_create");
{
let _store = UnifiedStore::open(&path).unwrap();
}
let manifest = OperationalManifest::for_db_path(&path);
let orphan = manifest.collection_path_for_test("half_created");
fs::create_dir_all(orphan.parent().unwrap()).unwrap();
fs::write(&orphan, b"prepared but unpublished").unwrap();
let reopened = UnifiedStore::open(&path).unwrap();
assert!(reopened.get_collection("half_created").is_none());
assert!(!orphan.exists());
assert!(manifest
.quarantine_path_for_test("half_created.rcol")
.exists());
}
#[test]
fn interrupted_drop_pending_state_is_completed_on_recovery() {
let path = temp_db_path("interrupted_drop");
{
let store = UnifiedStore::open(&path).unwrap();
store.create_collection("gone").unwrap();
}
let manifest = OperationalManifest::for_db_path(&path);
let _drop = manifest.prepare_collection_drop("gone").unwrap();
let reopened = UnifiedStore::open(&path).unwrap();
assert!(reopened.get_collection("gone").is_none());
assert!(!manifest.collection_path_for_test("gone").exists());
}
#[test]
fn recovery_quarantines_unreferenced_physical_files() {
let path = temp_db_path("orphan_quarantine");
{
let store = UnifiedStore::open(&path).unwrap();
store.create_collection("live").unwrap();
}
let manifest = OperationalManifest::for_db_path(&path);
let orphan = manifest.collection_path_for_test("orphan");
fs::write(&orphan, b"unreferenced").unwrap();
let reopened = UnifiedStore::open(&path).unwrap();
assert!(reopened.get_collection("live").is_some());
assert!(!orphan.exists());
assert!(manifest.quarantine_path_for_test("orphan.rcol").exists());
}
#[test]
fn catalogue_proven_collision_keeps_survivor_artifact_and_is_idempotent() {
let path = temp_db_path("collision_reconcile");
let manifest = OperationalManifest::for_db_path(&path);
manifest.create_collection("red_config").unwrap();
manifest.create_collection("red.config").unwrap();
let survivor_path = manifest.collection_path_for_test("red_config");
let loser_path = manifest.collection_path_for_test("red.config");
fs::write(&survivor_path, b"survivor").unwrap();
fs::write(&loser_path, b"loser").unwrap();
manifest
.reconcile_collection_collisions(&[("red_config", "red.config", "red.config")])
.unwrap();
let generation = manifest.read_generation_for_test().unwrap();
let current: serde_json::Value =
serde_json::from_slice(&manifest.legacy_manifest_bytes_for_test().unwrap()).unwrap();
let collections = current["collections"].as_object().unwrap();
assert!(!collections.contains_key("red_config"));
assert_eq!(
collections["red.config"]["path"].as_str(),
Some("red_config.rcol")
);
assert_eq!(fs::read(&survivor_path).unwrap(), b"survivor");
assert!(!loser_path.exists());
assert_eq!(
fs::read(manifest.quarantine_path_for_test("red.config.rcol")).unwrap(),
b"loser"
);
manifest
.reconcile_collection_collisions(&[("red_config", "red.config", "red.config")])
.unwrap();
assert_eq!(manifest.read_generation_for_test().unwrap(), generation);
assert_eq!(fs::read(&survivor_path).unwrap(), b"survivor");
}
#[test]
fn checksum_validation_rejects_corrupted_current_manifest() {
let path = temp_db_path("checksum");
{
let store = UnifiedStore::open(&path).unwrap();
store.create_collection("users").unwrap();
}
let manifest_path =
OperationalManifest::for_db_path(&path).current_manifest_path_for_test();
let mut document: serde_json::Value =
serde_json::from_slice(&fs::read(&manifest_path).unwrap()).unwrap();
let generation = document["generation"].as_u64().unwrap();
document["generation"] = serde_json::Value::from(generation + 1);
fs::write(&manifest_path, serde_json::to_vec(&document).unwrap()).unwrap();
let err = match UnifiedStore::open(&path) {
Ok(_) => panic!("corrupt manifest must fail closed"),
Err(err) => err,
};
assert!(
err.to_string().contains("checksum mismatch"),
"unexpected error: {err}"
);
}
}