105 def engine(request):  function
420 def test_nonsense_column(tmpdir, engine):  argument
484 def test_columns_index_with_multi_index(tmpdir, engine):  argument
556 def test_read_series(tmpdir, engine):  argument
566 def test_names(tmpdir, engine):  argument
620 def test_append(tmpdir, engine):  argument
645 def test_append_create(tmpdir, engine):  argument
670 def test_append_with_partition(tmpdir, engine):  argument
711 def test_partition_on_cats(tmpdir, engine):  argument
744 def test_partition_on_cats_2(tmpdir, engine):  argument
771 def test_append_wo_index(tmpdir, engine):  argument
801 def test_append_overlapping_divisions(tmpdir, engine):  argument
826 def test_append_different_columns(tmpdir, engine):  argument
848 def test_append_dict_column(tmpdir, engine):  argument
896 def test_read_parquet_custom_columns(tmpdir, engine):  argument
954 def test_roundtrip(tmpdir, df, write_kwargs, read_kwargs, engine):  argument
991 def test_categories(tmpdir, engine):  argument
1020 def test_categories_unnamed_index(tmpdir, engine):  argument
1038 def test_empty_partition(tmpdir, engine):  argument
1052 def test_timestamp_index(tmpdir, engine):  argument
1205 def test_pyarrow_schema_inference(tmpdir, index, engine, schema):  argument
1248 def test_partition_on(tmpdir, engine):  argument
1275 def test_partition_on_duplicates(tmpdir, engine):  argument
1451 def test_filtering_pyarrow_dataset(tmpdir, engine):  argument
1477 def test_fiters_file_list(tmpdir, engine):  argument
1616 def test_to_parquet_lazy(tmpdir, scheduler, engine):  argument
1667 def test_parquet_select_cats(tmpdir, engine):  argument
1688 def test_columns_name(tmpdir, engine):  argument
1701 def check_compression(engine, filename, compression):  argument
1731 def test_writing_parquet_with_compression(tmpdir, compression, engine):  argument
1747 def test_writing_parquet_with_partition_on_and_compression(tmpdir, compression, engine):  argument
1923 def test_read_no_metadata(tmpdir, engine):  argument
2021 def test_writing_parquet_with_kwargs(tmpdir, engine):  argument
2061 def test_writing_parquet_with_unknown_kwargs(tmpdir, engine):  argument
2090 def test_select_partitioned_column(tmpdir, engine):  argument
2113 def test_with_tz(tmpdir, engine):  argument
2157 def test_append_cat_fp(tmpdir, engine):  argument
2213 def test_datasets_timeseries(tmpdir, engine):  argument
2224 def test_pathlib_path(tmpdir, engine):  argument
2249 def test_categories_large(tmpdir, engine):  argument
2318 def test_timeseries_nulls_in_schema(tmpdir, engine, schema):  argument
2422 def test_graph_size_pyarrow(tmpdir, engine):  argument
2439 def test_getitem_optimization(tmpdir, engine, preserve_index, index):  argument
2465 def test_getitem_optimization_empty(tmpdir, engine):  argument
2479 def test_getitem_optimization_multi(tmpdir, engine):  argument
2559 def test_split_row_groups(tmpdir, engine):  argument
2602 def test_split_row_groups_int(tmpdir, split_row_groups, gather_statistics, engine):  argument
2634 def test_split_row_groups_int_aggregate_files(tmpdir, engine, split_row_groups):  argument
2666 def test_split_row_groups_filter(tmpdir, engine):  argument
2833 def test_chunksize(tmpdir, chunksize, engine, metadata):  argument
2909 def test_read_pandas_fastparquet_partitioned(tmpdir, engine):  argument
2921 def test_read_parquet_getitem_skip_when_getting_read_parquet(tmpdir, engine):  argument
3065 def test_partitioned_column_overlap(tmpdir, engine, write_cols):  argument
3102 def test_partitioned_no_pandas_metadata(tmpdir, engine, write_cols):  argument
3156 def test_from_pandas_preserve_none_index(tmpdir, engine):  argument
3174 def test_multi_partition_none_index_false(tmpdir, engine):  argument
3206 def test_illegal_column_name(tmpdir, engine):  argument
3227 def test_divisions_with_null_partition(tmpdir, engine):  argument
3237 def test_pyarrow_dataset_simple(tmpdir, engine):  argument
3250 def test_pyarrow_dataset_partitioned(tmpdir, engine, test_filter):  argument
3461 def test_read_write_overwrite_is_true(tmpdir, engine):  argument
3489 def test_read_write_partition_on_overwrite_is_true(tmpdir, engine):  argument
3524 def test_to_parquet_overwrite_raises(tmpdir, engine):  argument
3536 def test_dir_filter(tmpdir, engine):  argument
3588 def test_roundtrip_rename_columns(tmpdir, engine):  argument
3603 def test_custom_metadata(tmpdir, engine):  argument
3645 def test_ignore_metadata_file(tmpdir, engine, gather_statistics):  argument
3695 def test_metadata_task_size(tmpdir, engine, write_metadata_file, metadata_task_size):  argument
3741 def test_extra_file(tmpdir, engine):  argument
3779 def test_unsupported_extension_file(tmpdir, engine):  argument
3789 def test_unsupported_extension_dir(tmpdir, engine):  argument
3799 def test_custom_filename(tmpdir, engine):  argument
3815 def test_custom_filename_works_with_pyarrow_when_append_is_true(tmpdir, engine):  argument
3853 def test_throws_error_if_custom_filename_is_invalid(tmpdir, engine):  argument
3870 def test_custom_filename_with_partition(tmpdir, engine):  argument