/**
* File system mocks for testing
*/
const { jest } = require('@jest/globals');
const createFsMock = () => ({
existsSync: jest.fn(),
mkdirSync: jest.fn(),
writeFileSync: jest.fn(),
readFileSync: jest.fn(),
readdirSync: jest.fn(),
statSync: jest.fn(),
// Helper methods for setting up test scenarios
setupMockFiles: (files = {}) => {
const mockFs = createFsMock();
mockFs.existsSync.mockImplementation((path) => {
return Object.keys(files).some(file => path.includes(file));
});
mockFs.readFileSync.mockImplementation((path) => {
const filename = Object.keys(files).find(file => path.includes(file));
return filename ? files[filename] : '';
});
mockFs.readdirSync.mockImplementation((path) => {
return Object.keys(files).filter(file => file.startsWith(path));
});
mockFs.statSync.mockImplementation(() => ({
isFile: () => true,
size: 1024,
mtime: new Date()
}));
return mockFs;
},
setupMockDirectories: (directories = []) => {
const mockFs = createFsMock();
mockFs.existsSync.mockImplementation((path) => {
return directories.some(dir => path.includes(dir) || path === dir);
});
mockFs.mkdirSync.mockImplementation(() => {});
mockFs.writeFileSync.mockImplementation(() => {});
return mockFs;
},
setupMockError: (errorMessage = 'Mock filesystem error') => {
const mockFs = createFsMock();
mockFs.existsSync.mockImplementation(() => { throw new Error(errorMessage); });
mockFs.mkdirSync.mockImplementation(() => { throw new Error(errorMessage); });
mockFs.writeFileSync.mockImplementation(() => { throw new Error(errorMessage); });
return mockFs;
}
});
// Default mock responses
const defaultMockFs = {
existsSync: jest.fn(() => true),
mkdirSync: jest.fn(),
writeFileSync: jest.fn(),
readFileSync: jest.fn(() => 'mock file content'),
readdirSync: jest.fn(() => ['test.md', 'example.md']),
statSync: jest.fn(() => ({
isFile: () => true,
size: 2048,
mtime: new Date('2024-01-01')
}))
};
module.exports = {
createFsMock,
defaultMockFs
};
