test: expect point reads

Author: marvin-j97

tests/expect_point_read_hits.rs

@@ -0,0 +1,40 @@
+use lsm_tree::{get_tmp_folder, AbstractTree, Config, SequenceNumberCounter};
+use test_log::test;
+
+#[test]
+fn tree_builds_filters() -> lsm_tree::Result<()> {
+    let folder = get_tmp_folder();
+
+    let tree = Config::new(&folder, SequenceNumberCounter::default())
+        .expect_point_read_hits(false)
+        .open()?;
+
+    tree.insert("a", "a", 0);
+
+    tree.flush_active_memtable(0)?;
+    assert!(tree.filter_size() > 0);
+
+    tree.major_compact(u64::MAX, 0)?;
+    assert!(tree.filter_size() > 0);
+
+    Ok(())
+}
+
+#[test]
+fn tree_expect_point_read_hits() -> lsm_tree::Result<()> {
+    let folder = get_tmp_folder();
+
+    let tree = Config::new(&folder, SequenceNumberCounter::default())
+        .expect_point_read_hits(true)
+        .open()?;
+
+    tree.insert("a", "a", 0);
+
+    tree.flush_active_memtable(0)?;
+    assert!(tree.filter_size() > 0);
+
+    tree.major_compact(u64::MAX, 0)?;
+    assert!(tree.filter_size() == 0);
+
+    Ok(())
+}