/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { describe, it, expect, vi, beforeEach } from 'vitest';
import { AcpFileSystemService } from './fileSystemService.js';
describe('AcpFileSystemService', () => {
    let mockConnection;
    let mockFallback;
    let service;
    beforeEach(() => {
        mockConnection = {
            requestPermission: vi.fn(),
            sessionUpdate: vi.fn(),
            writeTextFile: vi.fn(),
            readTextFile: vi.fn(),
        };
        mockFallback = {
            readTextFile: vi.fn(),
            writeTextFile: vi.fn(),
        };
    });
    describe('readTextFile', () => {
        it.each([
            {
                capability: true,
                desc: 'client if capability exists',
                setup: () => {
                    mockConnection.readTextFile.mockResolvedValue({ content: 'content' });
                },
                verify: () => {
                    expect(mockConnection.readTextFile).toHaveBeenCalledWith({
                        path: '/path/to/file',
                        sessionId: 'session-1',
                    });
                    expect(mockFallback.readTextFile).not.toHaveBeenCalled();
                },
            },
            {
                capability: false,
                desc: 'fallback if capability missing',
                setup: () => {
                    mockFallback.readTextFile.mockResolvedValue('content');
                },
                verify: () => {
                    expect(mockFallback.readTextFile).toHaveBeenCalledWith('/path/to/file');
                    expect(mockConnection.readTextFile).not.toHaveBeenCalled();
                },
            },
        ])('should use $desc', async ({ capability, setup, verify }) => {
            service = new AcpFileSystemService(mockConnection, 'session-1', { readTextFile: capability, writeTextFile: true }, mockFallback);
            setup();
            const result = await service.readTextFile('/path/to/file');
            expect(result).toBe('content');
            verify();
        });
    });
    describe('writeTextFile', () => {
        it.each([
            {
                capability: true,
                desc: 'client if capability exists',
                verify: () => {
                    expect(mockConnection.writeTextFile).toHaveBeenCalledWith({
                        path: '/path/to/file',
                        content: 'content',
                        sessionId: 'session-1',
                    });
                    expect(mockFallback.writeTextFile).not.toHaveBeenCalled();
                },
            },
            {
                capability: false,
                desc: 'fallback if capability missing',
                verify: () => {
                    expect(mockFallback.writeTextFile).toHaveBeenCalledWith('/path/to/file', 'content');
                    expect(mockConnection.writeTextFile).not.toHaveBeenCalled();
                },
            },
        ])('should use $desc', async ({ capability, verify }) => {
            service = new AcpFileSystemService(mockConnection, 'session-1', { writeTextFile: capability, readTextFile: true }, mockFallback);
            await service.writeTextFile('/path/to/file', 'content');
            verify();
        });
    });
});
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