Files
turso/tests/integration/functions/test_wal_api.rs
2025-07-23 11:30:59 +04:00

58 lines
2.0 KiB
Rust

use rusqlite::types::Value;
use crate::common::{limbo_exec_rows, TempDatabase};
#[test]
fn test_wal_frame_count() {
let db = TempDatabase::new_empty(false);
let conn = db.connect_limbo();
assert_eq!(conn.wal_frame_count().unwrap(), 0);
conn.execute("CREATE TABLE t(x INTEGER PRIMARY KEY, y)")
.unwrap();
assert_eq!(conn.wal_frame_count().unwrap(), 2);
conn.execute("INSERT INTO t VALUES (10, 10), (5, 1)")
.unwrap();
assert_eq!(conn.wal_frame_count().unwrap(), 3);
conn.execute("INSERT INTO t VALUES (1024, randomblob(4096 * 10))")
.unwrap();
assert_eq!(conn.wal_frame_count().unwrap(), 15);
}
#[test]
fn test_wal_frame_transfer_no_schema_changes() {
let db1 = TempDatabase::new_empty(false);
let conn1 = db1.connect_limbo();
let db2 = TempDatabase::new_empty(false);
let conn2 = db2.connect_limbo();
conn1
.execute("CREATE TABLE t(x INTEGER PRIMARY KEY, y)")
.unwrap();
conn2
.execute("CREATE TABLE t(x INTEGER PRIMARY KEY, y)")
.unwrap();
conn1
.execute("INSERT INTO t VALUES (10, 10), (5, 1)")
.unwrap();
conn1
.execute("INSERT INTO t VALUES (1024, randomblob(4096 * 10))")
.unwrap();
assert_eq!(conn1.wal_frame_count().unwrap(), 15);
let mut frame = [0u8; 24 + 4096];
conn2.wal_insert_begin().unwrap();
for frame_id in 1..=conn1.wal_frame_count().unwrap() as u32 {
let c = conn1.wal_get_frame(frame_id, &mut frame).unwrap();
db1.io.wait_for_completion(c).unwrap();
conn2.wal_insert_frame(frame_id, &frame).unwrap();
}
conn2.wal_insert_end().unwrap();
assert_eq!(conn2.wal_frame_count().unwrap(), 15);
assert_eq!(
limbo_exec_rows(&db2, &conn2, "SELECT x, length(y) FROM t"),
vec![
vec![Value::Integer(5), Value::Integer(1)],
vec![Value::Integer(10), Value::Integer(2)],
vec![Value::Integer(1024), Value::Integer(40960)],
]
);
}