fix coverage run (#2232)

coverage run uses the compare_hash_only feature which is not compativle
with the test_hashmap_size test

Cargo.toml

@@ -116,6 +116,11 @@ unstable = [] # useful for benches.
 
 quickwit = ["sstable", "futures-util"]
 
+# Compares only the hash of a string when indexing data. 
+# Increases indexing speed, but may lead to extremely rare missing terms, when there's a hash collision.
+# Uses 64bit ahash.
+compare_hash_only = ["stacker/compare_hash_only"]
+
 [workspace]
 members = ["query-grammar", "bitpacker", "common", "ownedbytes", "stacker", "sstable", "tokenizer-api", "columnar"]
 

src/indexer/segment_writer.rs

@@ -495,7 +495,6 @@ mod tests {
 
     use tempfile::TempDir;
 
-    use super::compute_initial_table_size;
     use crate::collector::{Count, TopDocs};
     use crate::core::json_utils::JsonTermWriter;
     use crate::directory::RamDirectory;
@@ -516,7 +515,9 @@ mod tests {
     };
 
     #[test]
+    #[cfg(not(feature = "compare_hash_only"))]
     fn test_hashmap_size() {
+        use super::compute_initial_table_size;
         assert_eq!(compute_initial_table_size(100_000).unwrap(), 1 << 12);
         assert_eq!(compute_initial_table_size(1_000_000).unwrap(), 1 << 15);
         assert_eq!(compute_initial_table_size(15_000_000).unwrap(), 1 << 19);