Add resumable official news and calendar backfill to January 2025

backend/tests/test_history_capture.py

@@ -0,0 +1,31 @@
+from datetime import UTC, datetime
+import pytest
+
+
+
+def test_timeline_preserves_actual_publication_and_provider_identity(trading):
+    from alphapulse.crawler.history_capture import timeline_articles
+    result = timeline_articles({'hasMore': False, 'articles': [{'_id': 'original', 'pathname': '/markets/story',
+        'title': 'Official title', 'description': 'Public summary',
+        'articleDates': {'displayDate': '2024-12-31T17:00:00Z'}}]})
+    assert result[0].guid == 'original'
+    assert result[0].published_at == datetime(2024, 12, 31, 17, tzinfo=UTC)
+    assert result[0].summary == 'Public summary'
+
+
+def test_unknown_timeline_shape_is_not_empty_success(trading):
+    from alphapulse.crawler.history_capture import timeline_articles
+    with pytest.raises(ValueError):
+        timeline_articles({'articles': []})
+
+
+def test_ecb_index_keeps_existing_news_scope(trading):
+    from alphapulse.crawler.history_capture import ecb_articles
+    row = [1, 1735732800, 2025, 0, 1, None, None, None, None,
+           ['/press/key/date/2025/html/example.en.html', '/stats/example.html'], {'Title': 'Speech'}, [], []]
+    result = ecb_articles(row)
+    assert len(result) == 1
+    assert '/press/key/' in str(result[0].url)
+    assert result[0].published_at == datetime.fromtimestamp(1735732800, UTC)
+    with pytest.raises(ValueError):
+        ecb_articles(row[:-1])