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[e2e] Shrink fibonacciWorkflow's run tree from fib(6) to fib(5) #3619

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Merged
alangenfeld merged 1 commit into from
Aug 18, 2026
Merged

[e2e] Shrink fibonacciWorkflow's run tree from fib(6) to fib(5) #3619

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10 changes: 7 additions & 3 deletions packages/core/e2e/e2e.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2670,11 +2670,15 @@ describe('e2e', () => {
'fibonacciWorkflow - recursive workflow composition via start()',
{ timeout: 180_000 },
async () => {
// fib(6) = 8, spawns a tree of child workflow runs
const run = await start(await e2e('fibonacciWorkflow'), [6]);
// fib(5) = 5, spawns a tree of 15 runs (~14 concurrent parent polls at
// peak). fib(6)'s 25-run tree proved enough to saturate the scheduler
// past this test's budget under a concurrent suite (#2083); depth 4
// still exercises recursive start() composition with parallel children
// at every level, which is the subject here — the tree size is not.
const run = await start(await e2e('fibonacciWorkflow'), [5]);
trackRun(run);
const returnValue = await run.returnValue;
expect(returnValue).toBe(8);
expect(returnValue).toBe(5);
}
);

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