Write a set of queries to go along with the event sourcing model

tests/helpers.py

@@ -0,0 +1,28 @@
+from datetime import datetime, timedelta
+
+from dibbler.models import Transaction
+
+
+def assign_times(
+    transactions: list[Transaction],
+    start_time: datetime = datetime(2024, 1, 1, 0, 0, 0),
+    delta: timedelta = timedelta(minutes=1),
+) -> None:
+    """Assigns datetimes to a list of transactions starting from start_time and incrementing by delta."""
+    current_time = start_time
+    for transaction in transactions:
+        transaction.time = current_time
+        current_time += delta
+
+
+def assert_id_order_similar_to_time_order(transactions: list[Transaction]) -> None:
+    """Asserts that the order of transaction IDs is similar to the order of their timestamps."""
+    sorted_by_time = sorted(transactions, key=lambda t: t.time)
+    sorted_by_id = sorted(transactions, key=lambda t: t.id)
+
+    for t1, t2 in zip(sorted_by_time, sorted_by_id):
+        assert t1.id == t2.id or t1.time == t2.time, (
+            f"Transaction ID order does not match time order:\n"
+            f"ID {t1.id} at time {t1.time}\n"
+            f"ID {t2.id} at time {t2.time}"
+        )