from ArrayToCSV import arr_to_csv_command


def test_arr_to_csv_command__array_of_two_values():
    """
    Given:
       A list with 2 values
    When:
       converting list to a string representing a csv
    Then:
        the function will return the string as is (which is a valid csv format)
    """
    arr = ["mock", "mocker"]
    result = arr_to_csv_command(arr)
    assert result == "mock,mocker"


def test_arr_to_csv_command__array_of_one_value():
    """
    Given:
        A list with one value
    When:
        converting list to a string representing a csv
    Then:
        validate the result is valid csv
    """
    arr = ["mock"]
    result = arr_to_csv_command(arr)
    assert result == "mock"


def test_arr_to_csv_command__empty_array():
    """
    Given:
       An empty list
    When:
       converting list to a string representing a csv
    Then:
        The result is an empty string (which is a valid csv format)
    """
    arr = ""
    result = arr_to_csv_command(arr)
    assert result == ""