/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { describe, it, expect, vi, beforeEach } from 'vitest';
import { SubagentToolWrapper } from './subagent-tool-wrapper.js';
import { SubagentInvocation } from './invocation.js';
import { convertInputConfigToJsonSchema } from './schema-utils.js';
import { makeFakeConfig } from '../test-utils/config.js';
import { Kind } from '../tools/tools.js';
// Mock dependencies to isolate the SubagentToolWrapper class
vi.mock('./invocation.js');
vi.mock('./schema-utils.js');
const MockedSubagentInvocation = vi.mocked(SubagentInvocation);
const mockConvertInputConfigToJsonSchema = vi.mocked(convertInputConfigToJsonSchema);
// Define reusable test data
let mockConfig;
const mockDefinition = {
    name: 'TestAgent',
    displayName: 'Test Agent Display Name',
    description: 'An agent for testing.',
    inputConfig: {
        inputs: {
            goal: { type: 'string', required: true, description: 'The goal.' },
            priority: {
                type: 'number',
                required: false,
                description: 'The priority.',
            },
        },
    },
    modelConfig: { model: 'gemini-test-model', temp: 0, top_p: 1 },
    runConfig: { max_time_minutes: 5 },
    promptConfig: { systemPrompt: 'You are a test agent.' },
};
const mockSchema = {
    type: 'object',
    properties: {
        goal: { type: 'string', description: 'The goal.' },
        priority: { type: 'number', description: 'The priority.' },
    },
    required: ['goal'],
};
describe('SubagentToolWrapper', () => {
    beforeEach(() => {
        vi.clearAllMocks();
        mockConfig = makeFakeConfig();
        // Provide a mock implementation for the schema conversion utility
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        mockConvertInputConfigToJsonSchema.mockReturnValue(mockSchema);
    });
    describe('constructor', () => {
        it('should call convertInputConfigToJsonSchema with the correct agent inputConfig', () => {
            new SubagentToolWrapper(mockDefinition, mockConfig);
            expect(convertInputConfigToJsonSchema).toHaveBeenCalledExactlyOnceWith(mockDefinition.inputConfig);
        });
        it('should correctly configure the tool properties from the agent definition', () => {
            const wrapper = new SubagentToolWrapper(mockDefinition, mockConfig);
            expect(wrapper.name).toBe(mockDefinition.name);
            expect(wrapper.displayName).toBe(mockDefinition.displayName);
            expect(wrapper.description).toBe(mockDefinition.description);
            expect(wrapper.kind).toBe(Kind.Think);
            expect(wrapper.isOutputMarkdown).toBe(true);
            expect(wrapper.canUpdateOutput).toBe(true);
        });
        it('should fall back to the agent name for displayName if it is not provided', () => {
            const definitionWithoutDisplayName = {
                ...mockDefinition,
                displayName: undefined,
            };
            const wrapper = new SubagentToolWrapper(definitionWithoutDisplayName, mockConfig);
            expect(wrapper.displayName).toBe(definitionWithoutDisplayName.name);
        });
        it('should generate a valid tool schema using the definition and converted schema', () => {
            const wrapper = new SubagentToolWrapper(mockDefinition, mockConfig);
            const schema = wrapper.schema;
            expect(schema.name).toBe(mockDefinition.name);
            expect(schema.description).toBe(mockDefinition.description);
            expect(schema.parametersJsonSchema).toEqual(mockSchema);
        });
    });
    describe('createInvocation', () => {
        it('should create a SubagentInvocation with the correct parameters', () => {
            const wrapper = new SubagentToolWrapper(mockDefinition, mockConfig);
            const params = { goal: 'Test the invocation', priority: 1 };
            // The public `build` method calls the protected `createInvocation` after validation
            const invocation = wrapper.build(params);
            expect(invocation).toBeInstanceOf(SubagentInvocation);
            expect(MockedSubagentInvocation).toHaveBeenCalledExactlyOnceWith(params, mockDefinition, mockConfig, undefined);
        });
        it('should pass the messageBus to the SubagentInvocation constructor', () => {
            const mockMessageBus = {};
            const wrapper = new SubagentToolWrapper(mockDefinition, mockConfig, mockMessageBus);
            const params = { goal: 'Test the invocation', priority: 1 };
            wrapper.build(params);
            expect(MockedSubagentInvocation).toHaveBeenCalledWith(params, mockDefinition, mockConfig, mockMessageBus);
        });
        it('should throw a validation error for invalid parameters before creating an invocation', () => {
            const wrapper = new SubagentToolWrapper(mockDefinition, mockConfig);
            // Missing the required 'goal' parameter
            const invalidParams = { priority: 1 };
            // The `build` method in the base class performs JSON schema validation
            // before calling the protected `createInvocation` method.
            expect(() => wrapper.build(invalidParams)).toThrow("params must have required property 'goal'");
            expect(MockedSubagentInvocation).not.toHaveBeenCalled();
        });
    });
});
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