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https://github.com/denoland/deno.git
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162 lines
4.3 KiB
Rust
162 lines
4.3 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use deno_core::error::AnyError;
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use deno_graph::FastCheckCacheItem;
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use deno_graph::FastCheckCacheKey;
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use deno_runtime::deno_webstorage::rusqlite::params;
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use super::cache_db::CacheDB;
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use super::cache_db::CacheDBConfiguration;
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use super::cache_db::CacheFailure;
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pub static FAST_CHECK_CACHE_DB: CacheDBConfiguration = CacheDBConfiguration {
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table_initializer: "CREATE TABLE IF NOT EXISTS fastcheckcache (
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hash TEXT PRIMARY KEY,
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data TEXT NOT NULL
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);",
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on_version_change: "DELETE FROM fastcheckcache;",
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preheat_queries: &[],
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on_failure: CacheFailure::Blackhole,
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};
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#[derive(Clone)]
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pub struct FastCheckCache {
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inner: FastCheckCacheInner,
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}
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impl FastCheckCache {
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pub fn new(db: CacheDB) -> Self {
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Self {
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inner: FastCheckCacheInner::new(db),
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}
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}
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fn ensure_ok<T: Default>(res: Result<T, AnyError>) -> T {
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match res {
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Ok(x) => x,
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Err(err) => {
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// TODO(mmastrac): This behavior was inherited from before the refactoring but it probably makes sense to move it into the cache
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// at some point.
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// should never error here, but if it ever does don't fail
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if cfg!(debug_assertions) {
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panic!("Error using fast check cache: {err:#}");
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} else {
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log::debug!("Error using fast check cache: {:#}", err);
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}
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T::default()
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}
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}
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}
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}
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impl deno_graph::FastCheckCache for FastCheckCache {
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fn get(&self, key: FastCheckCacheKey) -> Option<FastCheckCacheItem> {
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Self::ensure_ok(self.inner.get(key))
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}
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fn set(&self, key: FastCheckCacheKey, value: FastCheckCacheItem) {
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Self::ensure_ok(self.inner.set(key, &value));
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}
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}
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#[derive(Clone)]
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struct FastCheckCacheInner {
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conn: CacheDB,
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}
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impl FastCheckCacheInner {
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pub fn new(conn: CacheDB) -> Self {
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Self { conn }
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}
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pub fn get(
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&self,
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key: FastCheckCacheKey,
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) -> Result<Option<FastCheckCacheItem>, AnyError> {
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let query = "
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SELECT
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data
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FROM
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fastcheckcache
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WHERE
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hash=?1
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LIMIT 1";
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let res = self
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.conn
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// key is a string because SQLite can't handle u64
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.query_row(query, params![key.as_u64().to_string()], |row| {
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let value: Vec<u8> = row.get(0)?;
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Ok(bincode::deserialize::<FastCheckCacheItem>(&value)?)
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})?;
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Ok(res)
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}
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pub fn set(
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&self,
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key: FastCheckCacheKey,
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data: &FastCheckCacheItem,
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) -> Result<(), AnyError> {
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let sql = "
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INSERT OR REPLACE INTO
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fastcheckcache (hash, data)
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VALUES
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(?1, ?2)";
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self.conn.execute(
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sql,
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params![key.as_u64().to_string(), &bincode::serialize(data)?],
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)?;
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Ok(())
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}
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}
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#[cfg(test)]
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mod test {
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use std::collections::BTreeSet;
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use deno_ast::ModuleSpecifier;
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use deno_graph::FastCheckCacheModuleItem;
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use deno_graph::FastCheckCacheModuleItemDiagnostic;
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use deno_semver::package::PackageNv;
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use super::*;
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#[test]
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pub fn cache_general_use() {
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let conn = CacheDB::in_memory(&FAST_CHECK_CACHE_DB, "1.0.0");
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let cache = FastCheckCacheInner::new(conn);
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let key = FastCheckCacheKey::build(
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&PackageNv::from_str("@scope/a@1.0.0").unwrap(),
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&Default::default(),
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);
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assert!(cache.get(key).unwrap().is_none());
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let value = FastCheckCacheItem {
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dependencies: BTreeSet::from([
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PackageNv::from_str("@scope/b@1.0.0").unwrap()
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]),
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modules: vec![(
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ModuleSpecifier::parse("https://jsr.io/test.ts").unwrap(),
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FastCheckCacheModuleItem::Diagnostic(
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FastCheckCacheModuleItemDiagnostic { source_hash: 123 },
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),
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)],
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};
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cache.set(key, &value).unwrap();
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let stored_value = cache.get(key).unwrap().unwrap();
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assert_eq!(stored_value, value);
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// adding when already exists should not cause issue
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cache.set(key, &value).unwrap();
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// recreating with same cli version should still have it
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let conn = cache.conn.recreate_with_version("1.0.0");
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let cache = FastCheckCacheInner::new(conn);
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let stored_value = cache.get(key).unwrap().unwrap();
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assert_eq!(stored_value, value);
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// now changing the cli version should clear it
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let conn = cache.conn.recreate_with_version("2.0.0");
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let cache = FastCheckCacheInner::new(conn);
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assert!(cache.get(key).unwrap().is_none());
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}
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}
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