add hw2

node_modules/pino/test/transport/module-link.test.js

@@ -0,0 +1,239 @@
+'use strict'
+
+const os = require('os')
+const { join } = require('path')
+const { readFile, symlink, unlink, mkdir, writeFile } = require('fs').promises
+const { test } = require('tap')
+const { isWin, isYarnPnp, watchFileCreated, file } = require('../helper')
+const { once } = require('events')
+const execa = require('execa')
+const pino = require('../../')
+const rimraf = require('rimraf')
+
+const { pid } = process
+const hostname = os.hostname()
+
+async function installTransportModule (target) {
+  if (isYarnPnp) {
+    return
+  }
+  try {
+    await uninstallTransportModule()
+  } catch {}
+
+  if (!target) {
+    target = join(__dirname, '..', '..')
+  }
+
+  await symlink(
+    join(__dirname, '..', 'fixtures', 'transport'),
+    join(target, 'node_modules', 'transport')
+  )
+}
+
+async function uninstallTransportModule () {
+  if (isYarnPnp) {
+    return
+  }
+  await unlink(join(__dirname, '..', '..', 'node_modules', 'transport'))
+}
+
+// TODO make this test pass on Windows
+test('pino.transport with package', { skip: isWin }, async ({ same, teardown }) => {
+  const destination = file()
+
+  await installTransportModule()
+
+  const transport = pino.transport({
+    target: 'transport',
+    options: { destination }
+  })
+
+  teardown(async () => {
+    await uninstallTransportModule()
+    transport.end()
+  })
+  const instance = pino(transport)
+  instance.info('hello')
+  await watchFileCreated(destination)
+  const result = JSON.parse(await readFile(destination))
+  delete result.time
+  same(result, {
+    pid,
+    hostname,
+    level: 30,
+    msg: 'hello'
+  })
+})
+
+// TODO make this test pass on Windows
+test('pino.transport with package as a target', { skip: isWin }, async ({ same, teardown }) => {
+  const destination = file()
+
+  await installTransportModule()
+
+  const transport = pino.transport({
+    targets: [{
+      target: 'transport',
+      options: { destination }
+    }]
+  })
+  teardown(async () => {
+    await uninstallTransportModule()
+    transport.end()
+  })
+  const instance = pino(transport)
+  instance.info('hello')
+  await watchFileCreated(destination)
+  const result = JSON.parse(await readFile(destination))
+  delete result.time
+  same(result, {
+    pid,
+    hostname,
+    level: 30,
+    msg: 'hello'
+  })
+})
+
+// TODO make this test pass on Windows
+test('pino({ transport })', { skip: isWin || isYarnPnp }, async ({ same, teardown }) => {
+  const folder = join(
+    os.tmpdir(),
+    '_' + Math.random().toString(36).substr(2, 9)
+  )
+
+  teardown(() => {
+    rimraf.sync(folder)
+  })
+
+  const destination = join(folder, 'output')
+
+  await mkdir(join(folder, 'node_modules'), { recursive: true })
+
+  // Link pino
+  await symlink(
+    join(__dirname, '..', '..'),
+    join(folder, 'node_modules', 'pino')
+  )
+
+  await installTransportModule(folder)
+
+  const toRun = join(folder, 'index.js')
+
+  const toRunContent = `
+    const pino = require('pino')
+    const logger = pino({
+      transport: {
+        target: 'transport',
+        options: { destination: '${destination}' }
+      }
+    })
+    logger.info('hello')
+  `
+
+  await writeFile(toRun, toRunContent)
+
+  const child = execa(process.argv[0], [toRun])
+
+  await once(child, 'close')
+
+  const result = JSON.parse(await readFile(destination))
+  delete result.time
+  same(result, {
+    pid: child.pid,
+    hostname,
+    level: 30,
+    msg: 'hello'
+  })
+})
+
+// TODO make this test pass on Windows
+test('pino({ transport }) from a wrapped dependency', { skip: isWin || isYarnPnp }, async ({ same, teardown }) => {
+  const folder = join(
+    os.tmpdir(),
+    '_' + Math.random().toString(36).substr(2, 9)
+  )
+
+  const wrappedFolder = join(
+    os.tmpdir(),
+    '_' + Math.random().toString(36).substr(2, 9)
+  )
+
+  const destination = join(folder, 'output')
+
+  await mkdir(join(folder, 'node_modules'), { recursive: true })
+  await mkdir(join(wrappedFolder, 'node_modules'), { recursive: true })
+
+  teardown(() => {
+    rimraf.sync(wrappedFolder)
+    rimraf.sync(folder)
+  })
+
+  // Link pino
+  await symlink(
+    join(__dirname, '..', '..'),
+    join(wrappedFolder, 'node_modules', 'pino')
+  )
+
+  // Link get-caller-file
+  await symlink(
+    join(__dirname, '..', '..', 'node_modules', 'get-caller-file'),
+    join(wrappedFolder, 'node_modules', 'get-caller-file')
+  )
+
+  // Link wrapped
+  await symlink(
+    wrappedFolder,
+    join(folder, 'node_modules', 'wrapped')
+  )
+
+  await installTransportModule(folder)
+
+  const pkgjsonContent = {
+    name: 'pino'
+  }
+
+  await writeFile(join(wrappedFolder, 'package.json'), JSON.stringify(pkgjsonContent))
+
+  const wrapped = join(wrappedFolder, 'index.js')
+
+  const wrappedContent = `
+    const pino = require('pino')
+    const getCaller = require('get-caller-file')
+
+    module.exports = function build () {
+      const logger = pino({
+        transport: {
+          caller: getCaller(),
+          target: 'transport',
+          options: { destination: '${destination}' }
+        }
+      })
+      return logger
+    }
+  `
+
+  await writeFile(wrapped, wrappedContent)
+
+  const toRun = join(folder, 'index.js')
+
+  const toRunContent = `
+    const logger = require('wrapped')()
+    logger.info('hello')
+  `
+
+  await writeFile(toRun, toRunContent)
+
+  const child = execa(process.argv[0], [toRun])
+
+  await once(child, 'close')
+
+  const result = JSON.parse(await readFile(destination))
+  delete result.time
+  same(result, {
+    pid: child.pid,
+    hostname,
+    level: 30,
+    msg: 'hello'
+  })
+})