| # This is a helper function to run tests on an external | |
| # directory, for example the contents of the Pandas | |
| # CSV tests: | |
| # https://github.com/pandas-dev/pandas/tree/master/pandas/tests/io/data/csv | |
| # It takes one argument, the test directory, and checks that all | |
| # .csv files contained within are correctly round-tripped via | |
| # `tiledb.from_csv` and `tiledb.open_dataframe` | |
| import os | |
| import sys | |
| import tempfile | |
| from glob import glob | |
| import pandas as pd | |
| import pandas._testing as tm | |
| import tiledb | |
| def check_csv_roundtrip(input_csv): | |
| basename = os.path.basename(input_csv) | |
| tmp = tempfile.mktemp(prefix="csvtest-" + basename) | |
| os.mkdir(tmp) | |
| array_uri = os.path.join(tmp, "tiledb_from_csv") | |
| tiledb.from_csv(array_uri, input_csv) | |
| df_csv = pd.read_csv(input_csv) | |
| df_back = tiledb.open_dataframe(array_uri) | |
| tm.assert_frame_equal(df_csv, df_back) | |
| return True | |
| def check_csv_dir(path): | |
| files = glob(os.path.join(path, "*.csv")) | |
| res = [check_csv_roundtrip(f) for f in files] | |
| assert len(res) == len(files), "Failed to check all files!" | |
| if __name__ == "__main__": | |
| if len(sys.argv) != 2: | |
| print("expected one argument: path to CSV directory") | |
| check_csv_dir(sys.argv[1]) | |