mirror of
https://github.com/tursodatabase/libsql.git
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9db13fe48c
* make copy_to_file take ref to file * turn compacted segment frame_count to u32 * add size after to compacted segment header * make durable frame_no async * pass namespace by ref * add backend to async storage * add restore to Storage * add restore to shell * fix shell bug * error handling * fix tests
103 lines
2.6 KiB
Rust
103 lines
2.6 KiB
Rust
use libsql_wal::test::TestEnv;
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#[tokio::test]
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async fn transaction_rollback() {
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let env = TestEnv::new();
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let mut conn1 = env.open_conn("test");
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let conn2 = env.open_conn("test");
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let tx = conn1.transaction().unwrap();
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tx.execute("create table test (x)", ()).unwrap();
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assert!(conn2
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.query_row("select count(0) from test", (), |_| { Ok(()) })
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.is_err());
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tx.execute("insert into test values (42)", ()).unwrap();
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tx.query_row("select count(0) from test", (), |r| {
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assert_eq!(r.get::<_, usize>(0).unwrap(), 1);
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Ok(())
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})
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.unwrap();
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assert!(conn2
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.query_row("select count(0) from test", (), |_| { Ok(()) })
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.is_err());
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tx.rollback().unwrap();
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assert!(conn1
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.query_row("select count(0) from test", (), |_| { Ok(()) })
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.is_err());
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assert!(conn2
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.query_row("select count(0) from test", (), |_| { Ok(()) })
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.is_err());
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conn1.execute("create table test (c)", ()).unwrap();
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conn1
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.query_row("select count(0) from test", (), |r| {
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assert_eq!(r.get::<_, usize>(0).unwrap(), 0);
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Ok(())
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})
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.unwrap();
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conn2
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.query_row("select count(0) from test", (), |r| {
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assert_eq!(r.get::<_, usize>(0).unwrap(), 0);
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Ok(())
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})
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.unwrap();
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}
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#[tokio::test]
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async fn transaction_savepoints() {
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let env = TestEnv::new();
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let mut conn = env.open_conn("test");
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let mut tx = conn.transaction().unwrap();
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tx.execute("create table test (x)", ()).unwrap();
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let mut s1 = tx.savepoint().unwrap();
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s1.execute("insert into test values (42)", ()).unwrap();
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s1.query_row("select count(0) from test", (), |r| {
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assert_eq!(r.get::<_, usize>(0).unwrap(), 1);
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Ok(())
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})
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.unwrap();
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let mut s2 = s1.savepoint().unwrap();
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s2.execute("insert into test values (42)", ()).unwrap();
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s2.query_row("select count(0) from test", (), |r| {
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assert_eq!(r.get::<_, usize>(0).unwrap(), 2);
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Ok(())
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})
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.unwrap();
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s2.rollback().unwrap();
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drop(s2);
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s1.query_row("select count(0) from test", (), |r| {
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assert_eq!(r.get::<_, usize>(0).unwrap(), 1);
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Ok(())
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})
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.unwrap();
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s1.rollback().unwrap();
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drop(s1);
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tx.query_row("select count(0) from test", (), |r| {
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assert_eq!(r.get::<_, usize>(0).unwrap(), 0);
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Ok(())
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})
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.unwrap();
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tx.commit().unwrap();
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conn.query_row("select count(0) from test", (), |r| {
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assert_eq!(r.get::<_, usize>(0).unwrap(), 0);
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Ok(())
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})
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.unwrap();
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}
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