8.3.1 A Word can be linked to its parent(s)

[JonOfScience]

Parent User Story: #78

GIVEN a Word with entries for "Translated Word Components" AND the entries relate to other extant Words

WHEN a retrieve parents method is called

THEN the parent objects are returned

Examples:

• [x] An item that has extant "Translated Word Components" can identify and retrieve them.
• [x] An item that has no parents returns an Empty list.
• [x] An item that has some extant "Translated Word components" identifies those that are extant and returns them.

Tasks:

• [x] Create a method to get the parents of a Word through the Lexicon
• [x] Write Tests for the method
• [x] Test Fail
• [x] Implement method
• [x] Tests Pass
• [x] Verify against Examples
• [x] Refactor

[JonOfScience]

Method created: def get_parents_of_word(self, word: Word) -> Sequence[Word]:

[JonOfScience]

Tests Created in test_lexicon.py

Test Class:

class TestRetrievingWordParentsShould:

Tests:

def test__return_an_empty_list_for_a_root_word(self):
...

def test__return_all_parents_if_all_are_extant(self):
...

def test__return_only_extant_parents_if_some_have_no_entry(self):
...