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setup-tests.js
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setup-tests.js
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import fs from 'fs'
import http from 'http'
import path from 'path'
import { initializeTestEnvironment } from '@firebase/rules-unit-testing'
const { setLogLevel } = require('firebase/app')
const DATABASE_NAME = 'agile-poker'
const DATABASE_EMULATOR_HOST = 'localhost:9001'
process.env.DATABASE_EMULATOR_HOST = DATABASE_EMULATOR_HOST
const indexFile = path.resolve(path.join(__dirname, 'public', 'index.html'))
const html = fs.readFileSync(indexFile, { encoding: 'utf8' })
const COVERAGE_URL = `http://${DATABASE_EMULATOR_HOST}/emulator/v1/projects/${DATABASE_NAME}:ruleCoverage.html`
/**
* @typedef {Object} TokenOptions
* @property {string} iss
* @property {string} aud
* @property {string} sub
* @property {number} iat
* @property {number} number
* @property {string} user_id
* @property {auth_time} user_id
* @property {string} uid
*/
/** @type RulesTestEnvironment */
let testEnv
beforeAll(async () => {
setLogLevel('error')
testEnv = await initializeTestEnvironment({
database: { rules: fs.readFileSync('database.rules.json', 'utf8') }
})
})
/**
*
* @param {TokenOptions} auth
* @return {firebase.database.Database}
*/
global.authedApp = (auth) => {
if (!auth) {
return testEnv.unauthenticatedContext().database()
}
let { uid, ...token } = auth
uid = uid ?? 'user'
token = { ...token, sub: uid }
return testEnv.authenticatedContext(uid, token).database()
}
beforeEach(() => {
document.documentElement.innerHTML = html.toString()
})
afterEach(async () => {
await testEnv.clearDatabase()
jest.clearAllMocks()
})
afterAll(async () => {
await testEnv.cleanup()
// Write the coverage report to a file
const coverageFile = 'database-coverage.html'
const stream = fs.createWriteStream(coverageFile)
await new Promise((resolve, reject) => {
http.get(COVERAGE_URL, (res) => {
res.pipe(stream, { end: true })
res.on('end', resolve)
res.on('error', reject)
})
})
})