48 lines
1.4 KiB
Rust
48 lines
1.4 KiB
Rust
//! Helpers for AppendVec tests and benches
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use {
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super::StoredMeta,
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rand::{distributions::Alphanumeric, Rng},
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solana_sdk::{account::AccountSharedData, pubkey::Pubkey},
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std::path::PathBuf,
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};
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pub struct TempFile {
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pub path: PathBuf,
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}
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impl Drop for TempFile {
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fn drop(&mut self) {
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let path = std::mem::replace(&mut self.path, PathBuf::new());
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let _ignored = std::fs::remove_file(path);
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}
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}
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pub fn get_append_vec_dir() -> String {
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std::env::var("FARF_DIR").unwrap_or_else(|_| "farf/append_vec_tests".to_string())
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}
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pub fn get_append_vec_path(path: &str) -> TempFile {
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let out_dir = get_append_vec_dir();
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let rand_string: String = rand::thread_rng()
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.sample_iter(&Alphanumeric)
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.take(30)
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.collect();
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let dir = format!("{out_dir}/{rand_string}");
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let mut buf = PathBuf::new();
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buf.push(format!("{dir}/{path}"));
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std::fs::create_dir_all(dir).expect("Create directory failed");
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TempFile { path: buf }
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}
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pub fn create_test_account(sample: usize) -> (StoredMeta, AccountSharedData) {
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let data_len = sample % 256;
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let mut account = AccountSharedData::new(sample as u64, 0, &Pubkey::default());
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account.set_data((0..data_len).map(|_| data_len as u8).collect());
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let stored_meta = StoredMeta {
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write_version_obsolete: 0,
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pubkey: Pubkey::default(),
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data_len: data_len as u64,
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};
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(stored_meta, account)
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}
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