107 lines
2.7 KiB
JavaScript
107 lines
2.7 KiB
JavaScript
'use strict'
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const { promisify } = require('util')
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const RedisServer = require('redis-server')
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const redis = require('redis')
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const { expect } = require('chai')
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const RedisTokenPersistence = require('./redis-token-persistence')
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describe('Redis token persistence', function() {
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let server
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// In CI, expect redis already to be running.
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if (!process.env.CI) {
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beforeEach(async function() {
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server = new RedisServer({ config: { host: 'localhost' } })
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await server.open()
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})
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}
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const key = 'tokenPersistenceIntegrationTest'
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let client
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beforeEach(async function() {
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client = redis.createClient()
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const del = promisify(client.del).bind(client)
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await del(key)
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})
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afterEach(async function() {
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if (client) {
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const quit = promisify(client.quit).bind(client)
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await quit()
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client = undefined
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}
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})
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if (!process.env.CI) {
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afterEach(async function() {
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await server.close()
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server = undefined
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})
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}
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let persistence
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beforeEach(function() {
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persistence = new RedisTokenPersistence({ key })
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})
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afterEach(async function() {
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if (persistence) {
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await persistence.stop()
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persistence = undefined
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}
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})
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context('when the key does not exist', function() {
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it('does nothing', async function() {
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const tokens = await persistence.initialize()
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expect(tokens).to.deep.equal([])
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})
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})
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context('when the key exists', function() {
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const initialTokens = ['a', 'b', 'c'].map(char => char.repeat(40))
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beforeEach(async function() {
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const rpush = promisify(client.rpush).bind(client)
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await rpush(key, initialTokens)
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})
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let lrange
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beforeEach(function() {
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lrange = promisify(client.lrange).bind(client)
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})
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it('loads the contents', async function() {
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const tokens = await persistence.initialize()
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expect(tokens).to.deep.equal(initialTokens)
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})
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context('when tokens are added', function() {
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it('saves the change', async function() {
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const newToken = 'e'.repeat(40)
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const expected = initialTokens.slice()
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expected.push(newToken)
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await persistence.initialize()
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await persistence.noteTokenAdded(newToken)
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const savedTokens = await lrange(key, 0, -1)
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expect(savedTokens).to.deep.equal(expected)
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})
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})
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context('when tokens are removed', function() {
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it('saves the change', async function() {
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const expected = Array.from(initialTokens)
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const toRemove = expected.pop()
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await persistence.initialize()
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await persistence.noteTokenRemoved(toRemove)
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const savedTokens = await lrange(key, 0, -1)
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expect(savedTokens).to.deep.equal(expected)
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})
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})
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})
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})
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