/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * Test to verify circular reference handling in telemetry logging
 */
import { describe, it, expect } from 'vitest';
import { logToolCall } from './loggers.js';
import { ToolCallEvent } from './types.js';
import { MockTool } from '../test-utils/tools.js';
describe('Circular Reference Handling', () => {
    it('should handle circular references in tool function arguments', () => {
        // Create a mock config
        const mockConfig = {
            getTelemetryEnabled: () => true,
            getUsageStatisticsEnabled: () => true,
            getSessionId: () => 'test-session',
            getModel: () => 'test-model',
            getEmbeddingModel: () => 'test-embedding',
            getDebugMode: () => false,
        };
        // Create an object with circular references (similar to HttpsProxyAgent)
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        const circularObject = {
            sockets: {},
            agent: null,
        };
        circularObject.agent = circularObject; // Create circular reference
        circularObject.sockets['test-host'] = [
            { _httpMessage: { agent: circularObject } },
        ];
        // Create a mock CompletedToolCall with circular references in function_args
        const mockRequest = {
            callId: 'test-call-id',
            name: 'ReadFile',
            args: circularObject, // This would cause the original error
            isClientInitiated: false,
            prompt_id: 'test-prompt-id',
            agentId: 'agent-circular',
        };
        const mockResponse = {
            callId: 'test-call-id',
            responseParts: [{ text: 'test result' }],
            resultDisplay: undefined,
            error: undefined, // undefined means success
            errorType: undefined,
            agentId: 'agent-circular',
        };
        const tool = new MockTool('mock-tool');
        const mockCompletedToolCall = {
            status: 'success',
            request: mockRequest,
            response: mockResponse,
            tool,
            invocation: tool.build({}),
            durationMs: 100,
        };
        // Create a tool call event with circular references in function_args
        const event = new ToolCallEvent(mockCompletedToolCall);
        // This should not throw an error
        expect(() => {
            logToolCall(mockConfig, event);
        }).not.toThrow();
    });
    it('should handle normal objects without circular references', () => {
        const mockConfig = {
            getTelemetryEnabled: () => true,
            getUsageStatisticsEnabled: () => true,
            getSessionId: () => 'test-session',
            getModel: () => 'test-model',
            getEmbeddingModel: () => 'test-embedding',
            getDebugMode: () => false,
        };
        const normalObject = {
            filePath: '/test/path',
            options: { encoding: 'utf8' },
        };
        const mockRequest = {
            callId: 'test-call-id',
            name: 'ReadFile',
            args: normalObject,
            isClientInitiated: false,
            prompt_id: 'test-prompt-id',
            agentId: 'agent-circular',
        };
        const mockResponse = {
            callId: 'test-call-id',
            responseParts: [{ text: 'test result' }],
            resultDisplay: undefined,
            error: undefined, // undefined means success
            errorType: undefined,
            agentId: 'agent-circular',
        };
        const tool = new MockTool('mock-tool');
        const mockCompletedToolCall = {
            status: 'success',
            request: mockRequest,
            response: mockResponse,
            tool,
            invocation: tool.build({}),
            durationMs: 100,
        };
        const event = new ToolCallEvent(mockCompletedToolCall);
        expect(() => {
            logToolCall(mockConfig, event);
        }).not.toThrow();
    });
});
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