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fix: enforce codex local step budget

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This commit is contained in:
Andrey Avtomonov 2026-06-01 18:08:02 +02:00
parent f27fc9c9a5
commit 5966a09c49
4 changed files with 113 additions and 13 deletions
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52
packages/cli/test/context/llm/codex-runtime.test.ts
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@ -17,6 +17,24 @@ function runner(items: unknown[]) {
};
}
function budgetRunner() {
let observedSignal: AbortSignal | undefined;
return {
observedSignal: () => observedSignal,
runStreamed: vi.fn(async (input: { signal?: AbortSignal }) => {
observedSignal = input.signal;
return events([
{ type: 'turn.started' },
{ type: 'item.started', item: { type: 'mcp_tool_call', server: 'ktx', tool: 'first', status: 'in_progress' } },
{ type: 'item.completed', item: { type: 'mcp_tool_call', server: 'ktx', tool: 'first', status: 'completed' } },
{ type: 'item.started', item: { type: 'mcp_tool_call', server: 'ktx', tool: 'second', status: 'in_progress' } },
{ type: 'item.completed', item: { type: 'mcp_tool_call', server: 'ktx', tool: 'second', status: 'completed' } },
{ type: 'turn.completed', usage: { input_tokens: 1, output_tokens: 1 } },
]);
}),
};
}
describe('CodexKtxLlmRuntime', () => {
it('generates text with the role-selected model and metrics', async () => {
const onMetrics = vi.fn();
@ -207,6 +225,40 @@ describe('CodexKtxLlmRuntime', () => {
});
});
it('returns budget and aborts the Codex stream when local MCP step budget is reached', async () => {
const fakeRunner = budgetRunner();
const runtime = new CodexKtxLlmRuntime({
projectDir: '/tmp/project',
modelSlots: { default: 'codex' },
runner: fakeRunner,
});
const onStepFinish = vi.fn();
const result = await runtime.runAgentLoop({
modelRole: 'default',
systemPrompt: 'system',
userPrompt: 'user',
stepBudget: 1,
telemetryTags: {},
onStepFinish,
toolSet: {
first: {
name: 'first',
description: 'First tool',
inputSchema: z.object({}),
execute: vi.fn(),
},
},
});
expect(result.stopReason).toBe('budget');
expect(result.error).toBeUndefined();
expect(result.metrics).toMatchObject({ stepCount: 1 });
expect(onStepFinish).toHaveBeenCalledTimes(1);
expect(onStepFinish).toHaveBeenCalledWith({ stepIndex: 1, stepBudget: 1 });
expect(fakeRunner.observedSignal()?.aborted).toBe(true);
});
it('probes Codex authentication through a minimal non-interactive turn', async () => {
const fakeRunner = runner([
{ type: 'turn.started' },