pulsar/spec/config-file-spec.js
Max Brunsfeld 2acaa41e34 Remove trivial test
This doesn't work on CI for reasons related to
fa0bd1e049

It doesn't test anything interesting, so I'm just going to leave it out.
2018-01-26 12:28:09 -08:00

101 lines
2.7 KiB
JavaScript

const {it, fit, ffit, beforeEach, afterEach, conditionPromise} = require('./async-spec-helpers')
const fs = require('fs-plus')
const path = require('path')
const temp = require('temp').track()
const dedent = require('dedent')
const ConfigFile = require('../src/config-file')
describe('ConfigFile', () => {
let filePath, configFile, subscription
beforeEach(async () => {
jasmine.useRealClock()
const tempDir = fs.realpathSync(temp.mkdirSync())
filePath = path.join(tempDir, 'the-config.cson')
})
afterEach(() => {
subscription.dispose()
})
describe('when the file does not exist', () => {
it('returns an empty object from .get()', async () => {
configFile = new ConfigFile(filePath)
subscription = await configFile.watch()
expect(configFile.get()).toEqual({})
})
})
describe('when the file is empty', () => {
it('returns an empty object from .get()', async () => {
writeFileSync(filePath, '')
configFile = new ConfigFile(filePath)
subscription = await configFile.watch()
expect(configFile.get()).toEqual({})
})
})
describe('when the file is updated with valid CSON', () => {
it('notifies onDidChange observers with the data', async () => {
configFile = new ConfigFile(filePath)
subscription = await configFile.watch()
const event = new Promise(resolve => configFile.onDidChange(resolve))
writeFileSync(filePath, dedent `
'*':
foo: 'bar'
'javascript':
foo: 'baz'
`)
expect(await event).toEqual({
'*': {foo: 'bar'},
'javascript': {foo: 'baz'}
})
expect(configFile.get()).toEqual({
'*': {foo: 'bar'},
'javascript': {foo: 'baz'}
})
})
})
describe('when the file is updated with invalid CSON', () => {
it('notifies onDidError observers', async () => {
configFile = new ConfigFile(filePath)
subscription = await configFile.watch()
const message = new Promise(resolve => configFile.onDidError(resolve))
writeFileSync(filePath, dedent `
um what?
`, 2)
expect(await message).toContain('Failed to load `the-config.cson`')
const event = new Promise(resolve => configFile.onDidChange(resolve))
writeFileSync(filePath, dedent `
'*':
foo: 'bar'
'javascript':
foo: 'baz'
`, 4)
expect(await event).toEqual({
'*': {foo: 'bar'},
'javascript': {foo: 'baz'}
})
})
})
})
function writeFileSync (filePath, content, seconds = 2) {
const utime = (Date.now() / 1000) + seconds
fs.writeFileSync(filePath, content)
fs.utimesSync(filePath, utime, utime)
}