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feat(engine): parallel branch isolation and race strategy #16

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feat(engine): parallel branch isolation and race strategy #16

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e388e91
feat(engine): add parallel branch isolation and walkBranch
albertgwo Mar 18, 2026
f27165a
test(engine): add parallel isolation and strategy tests
albertgwo Mar 18, 2026
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10 changes: 6 additions & 4 deletions packages/engine/src/__tests__/engine/adapter.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,7 @@ describe('PlainAdapter', () => {

await expect(
adapter.executeAction('slow_node', handler, ctx, { timeout: 50 }),
).rejects.toThrow("timed out after 50ms")
).rejects.toThrow('timed out after 50ms')
})

it('handler that completes quickly with generous timeout succeeds', async () => {
Expand Down Expand Up @@ -139,9 +139,9 @@ describe('PlainAdapter', () => {
}
const ctx = makeCtx()

await expect(
shortAdapter.executeAction('default_timeout', handler, ctx, {}),
).rejects.toThrow(ActionTimeoutError)
await expect(shortAdapter.executeAction('default_timeout', handler, ctx, {})).rejects.toThrow(
ActionTimeoutError,
)
})

it('config.timeout overrides defaultTimeout', async () => {
Expand Down Expand Up @@ -198,6 +198,7 @@ describe('Adapter integration with engine', () => {
return handler(context)
},
),
executeParallel: async (branches, _strategy) => Promise.all(branches.map((b) => b())),
}

const engine = new FlowprintEngine({ adapter: mockAdapter })
Expand Down Expand Up @@ -255,6 +256,7 @@ describe('Adapter lifecycle', () => {
init: initFn,
shutdown: shutdownFn,
executeAction: async (_nodeId, handler, ctx) => handler(ctx),
executeParallel: async (branches, _strategy) => Promise.all(branches.map((b) => b())),
}

await lifecycleAdapter.init?.()
Expand Down
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