Tirsvad
8dbaaa3059
Review record RC-027 (Go, autonomous mode, not independent). Task: MIL-005#1 Task: MIL-005#2 Task: MIL-005#3 Task: MIL-005#4 Task: MIL-005#5
87 lines
2.7 KiB
Python
87 lines
2.7 KiB
Python
"""Tests of the open_study_session use case."""
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from collections.abc import Sequence
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import pytest
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from flash_card.application.dto.card_dto import CardDto
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from flash_card.application.use_cases.open_study_session import open_study_session
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from flash_card.domain.entities.card import Card
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from flash_card.domain.entities.deck import Deck
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from flash_card.domain.entities.vocabulary import Vocabulary
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from flash_card.domain.errors.vocabulary_errors import VocabularyNotFoundError
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from flash_card.domain.value_objects.language_pair import LanguagePair
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class _FakeRepository:
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def __init__(self, vocabulary: Vocabulary) -> None:
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self._vocabulary = vocabulary
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def load(self) -> Vocabulary:
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return self._vocabulary
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class _RecordingProgress:
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def __init__(self, stored: Deck | None = None) -> None:
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self.stored = stored
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self.saved: list[tuple[Card, ...]] = []
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def load(self) -> Deck | None:
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return self.stored
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def save(self, deck: Deck) -> None:
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self.saved.append(deck.cards)
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class _MissingRepository:
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def load(self) -> Vocabulary:
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raise VocabularyNotFoundError("missing")
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def _first(cards: Sequence[Card]) -> Card:
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return cards[0]
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def test_open_study_session_builds_session_over_all_cards() -> None:
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cards = (Card("aku", "mig"), Card("kau", "du"))
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repository = _FakeRepository(Vocabulary(LanguagePair("ms", "da"), cards))
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session = open_study_session(repository, _RecordingProgress(), _first)
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assert session.remaining == 2
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assert session.next_card() == CardDto("aku", "mig", "ms", "da")
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def test_open_study_session_propagates_repository_error() -> None:
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with pytest.raises(VocabularyNotFoundError):
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open_study_session(_MissingRepository(), _RecordingProgress(), _first)
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def test_open_study_session_prefers_saved_progress() -> None:
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pair = LanguagePair("ms", "da")
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vocabulary = Vocabulary(pair, (Card("aku", "mig"), Card("kau", "du")))
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progress = _RecordingProgress(Deck(pair, [Card("kau", "du")]))
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session = open_study_session(_FakeRepository(vocabulary), progress, _first)
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assert session.remaining == 1
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assert session.next_card() == CardDto("kau", "du", "ms", "da")
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def test_open_study_session_skips_vocabulary_when_progress_exists() -> None:
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progress = _RecordingProgress(Deck(LanguagePair("ms", "da"), []))
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session = open_study_session(_MissingRepository(), progress, _first)
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assert session.remaining == 0
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def test_open_study_session_never_saves_on_start() -> None:
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vocabulary = Vocabulary(LanguagePair("ms", "da"), (Card("aku", "mig"),))
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progress = _RecordingProgress()
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session = open_study_session(_FakeRepository(vocabulary), progress, _first)
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session.next_card()
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assert progress.saved == []
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