Module Diabetes-Detection-Web-Application.testing.tests.unit_tests.test_data_loading

"""
    Testing the file responsible for loading the file.
    """
    #import global libraries
    import pandas as pd
    import pytest
    #import local libraries
    from src.preprocessing.dataloading import DataIngestion
    
    
    def test_load_data():
        path = "tests/unit_tests/test_data/sample.csv"
        di = DataIngestion()
        df = di.load_data(path)
        assert isinstance(df, pd.DataFrame)    
    @pytest.mark.parametrize("path,expected", [("path1", "The data file does not exist"),
    ("incorrect path", "The data file does not exist"), ("xyz.abc", "The data file does not exist")])

    def test_load_data_error(path, expected):
        with pytest.raises(FileNotFoundError) as F:
            df = DataIngestion().load_data(path)
            assert F.message == expected