Create `/basic/unique` resource

[neumannrf]

As a user
I need to eliminate duplicated elements from the list
So that a unique list of integers can be obtained.

Assumptions:

• There should be a main.py file with the following content.

@basic_ns.route('/unique')
@basic_ns.doc(description='Deduplicate list.')
class UniqueList(Resource):
    def put(self):
        bs.unique(my_list)
        return my_list

• The main.py file should include an external file above the from src import default_services as ds line.

from src import basic_services as bs

• There should be a src/basic_services.py file with the following content

def unique(integer_list):
    """
    Remove duplicated elements from list.

    Receives
    --------
    integer_list : list
        List of integer values.

    Returns
    -------
    unique_integer_list : list
        List of unique integer values.
    """

    integer_set = set(integer_list)
    integer_list.clear()
    integer_list.extend(list(integer_set))
    return integer_list

• There should be a test/basic_test.py file with the following content.

from src import basic_services as bs


def test_unique():
    assert bs.unique([]) == []
    assert bs.unique([1]) == [1]
    assert bs.unique([1, 1]) == [1]
    assert bs.unique([1, 1, 1]) == [1]
    assert bs.unique([1, 2, 1]) == [1, 2]
    assert bs.unique([1, 2, 3]) == [1, 2, 3]
    assert bs.unique([1, 2, 3, 1]) == [1, 2, 3]
    assert bs.unique([1, 2, 3, 1, 2]) == [1, 2, 3]
    assert bs.unique([1, 2, 3, 1, 2, 3]) == [1, 2, 3]

Acceptance criteria:

Given the existence of duplicated elements in the list
When this resource is called
Then only unique entries remain in the list.