Function createRuntime

packages/runtime/src/__tests__/computer-use-model-loop.test.ts:359–386

(input: {
  model: MockLanguageModelV4;
  computerTool: ReturnType<typeof buildComputerUseTools>[number];
  messages: StoredMessage[];
  telemetry: ToolInvocationRecord[];
  connection?: LlmConnection;
  durable?: ReturnType<typeof createDurableTurnHarness>;
})

}

function createRuntime(input: {
  model: MockLanguageModelV4;
  computerTool: ReturnType<typeof buildComputerUseTools>[number];
  messages: StoredMessage[];
  telemetry: ToolInvocationRecord[];
  connection?: LlmConnection;
  durable?: ReturnType<typeof createDurableTurnHarness>;
}): AiSdkBackend {
  const selectedConnection = input.connection ?? connection('openai');
  return createTestAiSdkBackend({
    sessionId: 'session-1',
    header: header(),
    appendMessage: async (message) => {
      input.messages.push(message);
    },
    connection: selectedConnection,
    apiKey: 'test-key',
    modelId: 'mock-computer-model',
    modelFactory: () => input.model,
    tools: [input.computerTool],
    ...(input.durable ? { loadTurnRuntimeEvents: input.durable.loadTurnRuntimeEvents } : {}),
    newId: idGenerator(),
    now: monotonicClock(),
    recordToolInvocation: (record) => {
      input.telemetry.push(record);
    },
  });
}

function toolCall(id: string, args: Record<string, unknown>): LanguageModelV4StreamPart[] {
  return [