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import {
getFileExtension,
extractFileName,
findUniquePath,
} from '../fileUpload.js'
const client = {
exists: jest.fn(),
}
describe('fileUpload', () => {
describe('getFileExtension', () => {
it('should return correct file extension when it exists in the path', () => {
const path = 'file.mock.txt'
const extension = getFileExtension(path)
expect(extension).toBe('.txt')
})
it('should return an empty string when no file extension exists in the path', () => {
const path = 'file'
const extension = getFileExtension(path)
expect(extension).toBe('')
})
})
describe('extractFileName', () => {
it('should return the file name as-is when there is no extension or digit suffix', () => {
const path = 'file'
const fileName = extractFileName(path)
expect(fileName).toBe('file')
})
it('should return the correctly extracted file name without extension and digit suffix', () => {
const paths = ['file (1).txt', 'file (1)', 'file.txt', 'file (10).txt', 'file 1.txt', 'file (1) (2).txt', 'file (N).txt']
const fileNames = paths.map(path => extractFileName(path))
expect(fileNames).toStrictEqual(['file', 'file', 'file', 'file', 'file 1', 'file (1)', 'file (N)'])
})
})
describe('findUniquePath', () => {
const userRoot = '/files/userid/'
const path = 'file.txt'
afterEach(() => {
jest.clearAllMocks()
})
it('should return the input path if it does not exist in the destination folder', async () => {
// Arrange
client.exists.mockResolvedValue(false) // Simulate resolving unique path on 1st attempt
// Act
const result = await findUniquePath(client, userRoot, path)
// Assert
expect(result).toBe(path)
expect(client.exists).toHaveBeenCalledWith(userRoot + path)
})
it('should return a unique path when the input path already exists in the destination folder', async () => {
// Arrange
const existingPath = 'file (2).txt'
const uniquePath = 'file (3).txt'
client.exists
.mockResolvedValueOnce(true)
.mockResolvedValueOnce(true)
.mockResolvedValueOnce(false) // Simulate resolving unique path on 3rd attempt
// Act
const result = await findUniquePath(client, userRoot, path)
// Assert
expect(result).toBe(uniquePath)
expect(client.exists).toHaveBeenNthCalledWith(1, userRoot + path)
expect(client.exists).toHaveBeenNthCalledWith(2, userRoot + existingPath)
expect(client.exists).toHaveBeenNthCalledWith(3, userRoot + uniquePath)
})
})
})
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