MIL-003: Step 2 - New flash cards

Review record RC-025 (Go, autonomous mode, not independent).

Task: MIL-003#1
Task: MIL-003#2
Task: MIL-003#3
Task: MIL-003#4
Task: MIL-003#5

tests/integration/test_vocabulary_file.py

@@ -0,0 +1,31 @@
+"""Integration tests of the word list reader on the delivered file."""
+
+from flash_card.application.use_cases.open_study_session import open_study_session
+from flash_card.constants import DEFAULT_DATA_DIR, VOCABULARY_FILE_NAME
+from flash_card.domain.entities.card import Card
+from flash_card.domain.value_objects.language_pair import LanguagePair
+from flash_card.infrastructure.persistence.csv_vocabulary_repository import (
+    CsvVocabularyRepository,
+)
+from flash_card.infrastructure.persistence.csv_word_list import read_word_list
+
+PATH = DEFAULT_DATA_DIR / VOCABULARY_FILE_NAME
+
+
+def test_read_word_list_reads_real_file() -> None:
+    pair, cards = read_word_list(PATH)
+    assert pair == LanguagePair("ms", "da")
+    assert len(cards) == 1000
+    assert cards[0] == Card("aku", "mig")
+
+
+def test_open_study_session_yields_card_from_real_file() -> None:
+    repository = CsvVocabularyRepository(PATH)
+    cards = repository.load().cards
+    session = open_study_session(repository, lambda candidates: candidates[0])
+
+    card = session.next_card()
+
+    assert card is not None
+    assert Card(card.front_text, card.back_text) in cards
+    assert (card.front_language, card.back_language) == ("ms", "da")