Add test for Environment::stats

without.crypto
Dan Burkert 7 years ago
parent 09af4d92b7
commit e8e58fd04c
  1. 38
      src/environment.rs
  2. 2
      src/lib.rs

@ -330,7 +330,10 @@ impl EnvironmentBuilder {
#[cfg(test)]
mod test {
extern crate byteorder;
use tempdir::TempDir;
use self::byteorder::{ByteOrder, LittleEndian};
use flags::*;
@ -422,4 +425,39 @@ mod test {
assert!(env.sync(true).is_err());
}
}
#[test]
fn test_stat() {
let dir = TempDir::new("test").unwrap();
let env = Environment::new().open(dir.path()).unwrap();
// Stats should be empty initially.
let stat = env.stat().unwrap();
assert_eq!(stat.page_size(), 4096);
assert_eq!(stat.depth(), 0);
assert_eq!(stat.branch_pages(), 0);
assert_eq!(stat.leaf_pages(), 0);
assert_eq!(stat.overflow_pages(), 0);
assert_eq!(stat.entries(), 0);
let db = env.open_db(None).unwrap();
// Write a few small values.
for i in 0..64 {
let mut value = [0u8; 8];
LittleEndian::write_u64(&mut value, i);
let mut tx = env.begin_rw_txn().expect("begin_rw_txn");
tx.put(db, &value, &value, WriteFlags::default()).expect("tx.put");
tx.commit().expect("tx.commit")
}
// Stats should now reflect inserted values.
let stat = env.stat().unwrap();
assert_eq!(stat.page_size(), 4096);
assert_eq!(stat.depth(), 1);
assert_eq!(stat.branch_pages(), 0);
assert_eq!(stat.leaf_pages(), 1);
assert_eq!(stat.overflow_pages(), 0);
assert_eq!(stat.entries(), 64);
}
}

@ -118,7 +118,7 @@ mod test_utils {
&HEIGHT_KEY,
&value,
WriteFlags::empty()).expect("tx.put");
tx.commit().expect("ts.commit")
tx.commit().expect("tx.commit")
}
}
}

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