copilot-swe-agent[bot]andgenichin
31d6e5c02b
Co-authored-by: genichin <4282227+genichin@users.noreply.github.com>
115 lines
4.3 KiB
Python
115 lines
4.3 KiB
Python
"""LedgerOutbox + LedgerWriter direct unit tests (REQ-019)."""
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from __future__ import annotations
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from datetime import UTC, datetime, timedelta
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from trex_core.adapters.ledger.in_memory import InMemoryLedger
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from trex_core.application.ledger_outbox import (
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InMemoryLedgerOutbox,
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LedgerWriter,
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OutboxOutcome,
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WorkItemStatus,
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)
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from trex_core.application.ledger_port import LedgerTrade
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def _trade(execution_id="paper:PAPER-1:10") -> LedgerTrade:
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return LedgerTrade(
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asset_id="PF-1", order_id="PAPER-1", execution_id=execution_id,
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side="buy", qty=10, price=1000.0,
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executed_at=datetime(2026, 6, 4, tzinfo=UTC),
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)
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def test_enqueue_is_idempotent_on_correlation_id():
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outbox = InMemoryLedgerOutbox()
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a = outbox.enqueue(_trade())
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b = outbox.enqueue(_trade())
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assert a.correlation_id == b.correlation_id
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assert len(outbox.all_items()) == 1
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def test_writer_run_once_drains_pending_and_marks_completed():
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outbox = InMemoryLedgerOutbox()
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ledger = InMemoryLedger()
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writer = LedgerWriter(outbox, ledger)
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outbox.enqueue(_trade(execution_id="e-1"))
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outbox.enqueue(_trade(execution_id="e-2"))
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stats = writer.run_once()
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assert stats.completed == 2 and ledger.count() == 2
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assert all(it.status is WorkItemStatus.COMPLETED for it in outbox.all_items())
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assert all(it.last_outcome is OutboxOutcome.COMPLETED for it in outbox.all_items())
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def test_writer_marks_conflict_blocked_and_does_not_retry():
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outbox = InMemoryLedgerOutbox()
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ledger = InMemoryLedger(conflict_executions={"e-x"})
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writer = LedgerWriter(outbox, ledger)
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outbox.enqueue(_trade(execution_id="e-x"))
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writer.run_once()
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[item] = outbox.all_items()
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assert item.status is WorkItemStatus.CONFLICT_BLOCKED
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assert item.last_outcome is OutboxOutcome.CONFLICT_BLOCKED
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# No pending items remain, so a subsequent run is a no-op.
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assert outbox.list_pending() == []
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def test_writer_retries_until_success():
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# dcy-015: retryable rows now back off; share an injected clock between the
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# outbox (list_pending "now") and the writer (next_retry_at) to advance past it.
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now = {"t": datetime(2026, 6, 4, tzinfo=UTC)}
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outbox = InMemoryLedgerOutbox(clock=lambda: now["t"])
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ledger = InMemoryLedger(fail_n_then_succeed=1)
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writer = LedgerWriter(outbox, ledger, clock=lambda: now["t"])
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outbox.enqueue(_trade(execution_id="e-r"))
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s1 = writer.run_once()
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assert s1.retryable == 1 and ledger.count() == 0
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assert writer.run_once().completed == 0 # still in backoff -> skipped
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now["t"] += timedelta(seconds=600) # past the backoff window
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s2 = writer.run_once()
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assert s2.completed == 1 and ledger.count() == 1
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def test_process_correlation_id_only_drains_requested_row():
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outbox = InMemoryLedgerOutbox(instance_key="inst-a")
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ledger = InMemoryLedger()
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writer = LedgerWriter(outbox, ledger, instance_key="inst-a")
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first = outbox.enqueue(_trade(execution_id="e-1"))
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second = outbox.enqueue(_trade(execution_id="e-2"))
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outcome = writer.process_correlation_id(first.correlation_id)
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assert outcome is OutboxOutcome.COMPLETED
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assert ledger.count() == 1
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assert writer.counters["claim:claimed"] == 1
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assert writer.counters["outcome:completed"] == 1
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assert outbox.get(first.correlation_id).status is WorkItemStatus.COMPLETED
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assert outbox.get(second.correlation_id).status is WorkItemStatus.PENDING
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def test_process_correlation_id_skips_foreign_instance_row():
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outbox = InMemoryLedgerOutbox(instance_key="inst-a")
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ledger = InMemoryLedger()
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writer = LedgerWriter(outbox, ledger, instance_key="inst-b")
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item = outbox.enqueue(_trade(execution_id="e-foreign"))
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outcome = writer.process_correlation_id(item.correlation_id)
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assert outcome is None
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assert ledger.count() == 0
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assert writer.counters["claim:foreign_instance"] == 1
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assert outbox.get(item.correlation_id).status is WorkItemStatus.PENDING
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def test_writer_exposes_claim_and_outcome_counters():
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outbox = InMemoryLedgerOutbox(instance_key="inst-a")
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ledger = InMemoryLedger()
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writer = LedgerWriter(outbox, ledger, instance_key="inst-a")
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outbox.enqueue(_trade(execution_id="e-count"))
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stats = writer.run_once()
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assert stats.completed == 1
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assert writer.counters["claim:claimed"] == 1
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assert writer.counters["outcome:completed"] == 1
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