fn test_file_slices_merge()

in crates/core/src/file_group/file_slice.rs [135:190]

• 49 lines of code
• 1 McCabe index (conditional complexity)

    fn test_file_slices_merge() -> Result<()> {
        let base = BaseFile::from_str(
            "54e9a5e9-ee5d-4ed2-acee-720b5810d380-0_0-7-24_20250109233025121.parquet",
        )?;
        let mut log_set1 = BTreeSet::new();
        log_set1.insert(LogFile::from_str(
            ".54e9a5e9-ee5d-4ed2-acee-720b5810d380-0_20250109233025121.log.4_0-51-115",
        )?);
        log_set1.insert(LogFile::from_str(
            ".54e9a5e9-ee5d-4ed2-acee-720b5810d380-0_20250109233025121.log.2_0-51-115",
        )?);

        let mut log_set2 = BTreeSet::new();
        log_set2.insert(LogFile::from_str(
            ".54e9a5e9-ee5d-4ed2-acee-720b5810d380-0_20250109233025121.log.3_0-51-115",
        )?);
        log_set2.insert(LogFile::from_str(
            ".54e9a5e9-ee5d-4ed2-acee-720b5810d380-0_20250109233025121.log.1_0-51-115",
        )?);
        log_set1.insert(LogFile::from_str(
            ".54e9a5e9-ee5d-4ed2-acee-720b5810d380-0_20250109233025121.log.2_0-51-115",
        )?);

        let mut slice1 = FileSlice {
            base_file: base.clone(),
            log_files: log_set1,
            partition_path: EMPTY_PARTITION_PATH.to_string(),
        };

        let slice2 = FileSlice {
            base_file: base,
            log_files: log_set2,
            partition_path: EMPTY_PARTITION_PATH.to_string(),
        };

        slice1.merge(&slice2)?;

        // Verify merged result
        assert_eq!(slice1.log_files.len(), 4);
        let log_file_names = slice1
            .log_files
            .iter()
            .map(|log| log.file_name())
            .collect::<Vec<String>>();
        assert_eq!(
            log_file_names.as_slice(),
            &[
                ".54e9a5e9-ee5d-4ed2-acee-720b5810d380-0_20250109233025121.log.1_0-51-115",
                ".54e9a5e9-ee5d-4ed2-acee-720b5810d380-0_20250109233025121.log.2_0-51-115",
                ".54e9a5e9-ee5d-4ed2-acee-720b5810d380-0_20250109233025121.log.3_0-51-115",
                ".54e9a5e9-ee5d-4ed2-acee-720b5810d380-0_20250109233025121.log.4_0-51-115",
            ]
        );

        Ok(())
    }