Initial Jarca Ledger MCP implementation

tests/test_categorization.py

@@ -0,0 +1,51 @@
+from __future__ import annotations
+
+from jarca_ledger_mcp import service
+
+
+def test_category_rules_preview_apply(tmp_path):
+    db_path = str(tmp_path / "ledger.sqlite3")
+    service.create_ledger_transaction("2026-06-01", "expense", 10_000, merchant="이마트에브리데이", raw_summary="체크카드", db_path=db_path)
+    service.create_ledger_transaction("2026-06-02", "expense", 5_000, merchant="알수없음", raw_summary="체크카드", db_path=db_path)
+    seeded = service.seed_default_category_rules(db_path=db_path)
+    assert seeded["success"] is True
+    rules = service.list_category_rules(db_path=db_path)
+    assert rules["count"] > 0
+
+    preview = service.preview_categorization(db_path=db_path)
+    assert preview["matched_count"] == 1
+    assert preview["unmatched_count"] == 1
+    assert preview["matches"][0]["category"] == "식비"
+    assert preview["matches"][0]["subcategory"] == "마트"
+
+    applied = service.apply_categorization_rules(db_path=db_path)
+    assert applied["success"] is True
+    assert applied["applied_count"] == 1
+    categorized = service.list_ledger_transactions(category="식비", db_path=db_path)
+    assert categorized["count"] == 1
+    uncategorized = service.list_uncategorized_transactions(db_path=db_path)
+    assert uncategorized["count"] == 1
+
+
+def test_apply_categorization_rules_applies_all_matches_not_just_preview_sample(tmp_path):
+    db_path = str(tmp_path / "ledger.sqlite3")
+    service.seed_default_category_rules(db_path=db_path)
+    for idx in range(150):
+        service.create_ledger_transaction(
+            transaction_date=f"2026-06-{(idx % 28) + 1:02d}",
+            type="expense",
+            amount=10_000 + idx,
+            merchant=f"이마트에브리데이 {idx}",
+            raw_summary="체크카드",
+            db_path=db_path,
+        )
+
+    preview = service.preview_categorization(limit=5000, db_path=db_path)
+    assert preview["matched_count"] == 150
+    assert len(preview["matches"]) == 100
+
+    applied = service.apply_categorization_rules(limit=5000, db_path=db_path)
+    assert applied["success"] is True
+    assert applied["applied_count"] == 150
+    uncategorized = service.list_uncategorized_transactions(limit=200, db_path=db_path)
+    assert uncategorized["count"] == 0