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test(producer): the stall tests wait out a slow cold start before moving fake time #6991

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Merged
jrusso1020 merged 1 commit into from
Nov 2, 2026
Merged

test(producer): the stall tests wait out a slow cold start before moving fake time #6991

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5 changes: 4 additions & 1 deletion packages/producer/src/services/renderOrchestrator.stall.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -233,6 +233,9 @@ const PENDING = Symbol("pending");
const dirs: string[] = [];
// A test over SLOW_TEST_MS prints where its real time went, so a slow CI run names the step.
const SLOW_TEST_MS = 2_000;
// A render's cold start (module loads, temp dirs) can take over a second on a loaded CI runner. Fake time that
// moves before the first attempt is held spends the test's window early. Kept under vitest's 5 s test timeout.
const START_BUDGET_MS = 4_000;
const spent = new Map<string, number>();
let testStarted = 0;
let budgetRanOut = 0;
Expand Down Expand Up @@ -332,8 +335,8 @@ async function untilHeld(outcome: () => unknown, budget: { ms: number }): Promis

/** Jumps fake time to the next timer while the scripted attempt waits, with real IO between steps. */
async function runFor(ms: number, outcome: () => unknown): Promise<void> {
await timed("wait for held", () => untilHeld(outcome, { ms: START_BUDGET_MS }));
const budget = { ms: 1_000 };
await timed("wait for held", () => untilHeld(outcome, budget));
for (let elapsed = 0; elapsed < ms && outcome() === PENDING; ) {
await timed("io turns", ioTurns);
await timed("wait for held", () => untilHeld(outcome, budget));
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