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feat(FN-5444): add merge handoff test coverage for task worktree

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Adds test coverage for merge queue and heartbeat handoff interactions (FN-5444), including source metadata expectations in heartbeat executor tests, merge handoff coverage gaps, and reuse scenarios in the merger worktree integration tests.

Fusion-Task-Id: FN-5444

Fusion-Task-Lineage: 45e1b43f-8ae3-46ba-a5ee-25e8c661e753

Co-authored-by: Fusion (runfusion.ai) <noreply@runfusion.ai>
Fusion-Task-Id: FN-5444
This commit is contained in:
gsxdsm
2026-05-23 03:50:05 -07:00
parent d4ec82bf02
commit 4d1cad027c
5 changed files with 136 additions and 7 deletions
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38
packages/engine/src/__tests__/reliability-interactions/merge-reuse-task-worktree.test.ts
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@@ -424,6 +424,44 @@ describe("FN-5279 reliability interactions: merge reuse task worktree", () => {
}
}, 60_000);
it.skipIf(!hasGit)("FN-5444: moving task out of in-review during live lease preserves row until release cleanup", async () => {
const { fixture, store, task } = await setupReuseHandoff({
taskId: "FN-5444-RI-COLUMN-EXIT-LIVE-LEASE",
fileName: "packages/engine/src/fn-5444-ri-column-exit.ts",
fileContent: "export const exitLease = true;\n",
commitMessage: "feat: add FN-5444 column exit lease coverage",
skipWorktreeAdd: true,
worktreeOverride: null,
});
try {
const lease = store.acquireMergeQueueLease("merger-reuse-handoff", {
targetTaskId: task.id,
leaseDurationMs: 60_000,
now: "2099-05-19T00:00:10.000Z",
});
expect(lease?.taskId).toBe(task.id);
await store.moveTask(task.id, "todo");
expect(store.peekMergeQueue().some((entry) => entry.taskId === task.id)).toBe(true);
const staleLeaseAudit = store.getRunAuditEvents({ taskId: task.id, mutationType: "mergeQueue:stale-lease-on-column-exit" });
expect(staleLeaseAudit).toHaveLength(1);
expect(staleLeaseAudit[0].metadata).toMatchObject({
taskId: task.id,
previousColumn: "in-review",
nextColumn: "todo",
leasedBy: "merger-reuse-handoff",
});
expect(typeof staleLeaseAudit[0].metadata?.leaseExpiresAt).toBe("string");
store.releaseMergeQueueLease(task.id, "merger-reuse-handoff", { kind: "success" });
expect(store.peekMergeQueue().some((entry) => entry.taskId === task.id)).toBe(false);
} finally {
await fixture.cleanup();
}
}, 60_000);
it.skipIf(!hasGit)("already-landed branch auto-finalizes from the reused worktree path", async () => {
const { fixture, rootDir, store, task, branch } = await setupReuseHandoff({
taskId: "FN-5279-RI-ALREADY-LANDED",