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197 | import Storage from 'main/application/storage'
import fs from 'fs-extra'
jest.mock('fs')
let storage
describe('Storage', () => {
afterEach(() => {
jest.clearAllMocks()
})
describe('#read', () => {
let result
describe('file exists', () => {
beforeEach(() => {
fs.existsSync = jest.fn(() => true)
fs.readFileSync = jest.fn(() => 'data')
})
describe('relative path', () => {
beforeEach(() => {
storage = new Storage('storage_default.swftx')
result = storage.read()
})
test('reads file content', () => {
expect(fs.readFileSync).toHaveBeenCalledWith(
'/tmp/Swifty/storage_default.swftx'
)
})
test('returns file content', () => {
expect(result).toBe('data')
})
})
describe('absolute path', () => {
beforeEach(() => {
storage = new Storage('/Desktop/storage_default.swftx')
result = storage.read()
})
test('reads file content', () => {
expect(fs.readFileSync).toHaveBeenCalledWith(
'/Desktop/storage_default.swftx'
)
})
test('returns file content', () => {
expect(result).toBe('data')
})
})
})
describe('file do not exist', () => {
beforeEach(() => {
fs.ensureFileSync = jest.fn(() => true)
fs.readFileSync = jest.fn(() => '')
storage = new Storage('storage_default.swftx')
result = storage.read()
})
test('creates file content', () => {
expect(fs.ensureFileSync).toHaveBeenCalledWith(
'/tmp/Swifty/storage_default.swftx'
)
})
test('returns file content', () => {
expect(result).toBe('')
})
})
})
describe('#write', () => {
let result
fs.writeFileSync = jest.fn(() => true)
describe('successfull', () => {
describe('relative path', () => {
beforeEach(() => {
storage = new Storage('storage_default.swftx')
result = storage.write('data')
})
test('calls fs module to perform write', () => {
expect(fs.writeFileSync).toHaveBeenCalledWith(
'/tmp/Swifty/storage_default.swftx',
'data',
{ flag: 'w' }
)
})
test('returns true on success', () => {
expect(result).toBe(true)
})
})
describe('absolute path', () => {
beforeEach(() => {
storage = new Storage('/Desktop/storage_default.swftx')
result = storage.write('data')
})
test('calls fs module to perform write', () => {
expect(fs.writeFileSync).toHaveBeenCalledWith(
'/Desktop/storage_default.swftx',
'data',
{ flag: 'w' }
)
})
test('returns true on success', () => {
expect(result).toBe(true)
})
})
})
describe('unsuccessfull', () => {
beforeEach(() => {
fs.writeFileSync.mockImplementation(() => {
throw new Error()
})
storage = new Storage('storage_default.swftx')
result = storage.write('data')
})
test('calls fs module to perform write', () => {
expect(fs.writeFileSync).toHaveBeenCalledWith(
'/tmp/Swifty/storage_default.swftx',
'data',
{ flag: 'w' }
)
})
test('returns false on fail', () => {
expect(result).toBe(false)
})
})
})
describe('#export', () => {
let result
beforeEach(() => {
fs.copyFileSync = jest.fn(() => true)
})
describe('relative path', () => {
describe('contains extension', () => {
beforeEach(() => {
storage = new Storage('storage_default.swftx')
result = storage.export('/Desktop/storage_default.swftx')
})
test('copies file', () => {
expect(fs.copyFileSync).toHaveBeenCalledWith(
'/tmp/Swifty/storage_default.swftx',
'/Desktop/storage_default.swftx'
)
})
test('returns true', () => {
expect(result).toBe(true)
})
})
describe('does not contain extension', () => {
beforeEach(() => {
storage = new Storage('storage_default.swftx')
result = storage.export('/Desktop/storage_default')
})
test('copies file', () => {
expect(fs.copyFileSync).toHaveBeenCalledWith(
'/tmp/Swifty/storage_default.swftx',
'/Desktop/storage_default.swftx'
)
})
})
})
describe('absolute path', () => {
beforeEach(() => {
storage = new Storage('/Users/dev/storage_default.swftx')
result = storage.export('/Desktop/storage_default.swftx')
})
test('copies file', () => {
expect(fs.copyFileSync).toHaveBeenCalledWith(
'/Users/dev/storage_default.swftx',
'/Desktop/storage_default.swftx'
)
})
test('returns true', () => {
expect(result).toBe(true)
})
})
})
})
|
