Index: node_modules/node-gyp/test/test-download.js
===================================================================
--- node_modules/node-gyp/test/test-download.js	(revision 81bc7da776d8cda42939ef4ab350c88d13b4941f)
+++ node_modules/node-gyp/test/test-download.js	(revision 81bc7da776d8cda42939ef4ab350c88d13b4941f)
@@ -0,0 +1,207 @@
+'use strict'
+
+const { test } = require('tap')
+const fs = require('fs')
+const path = require('path')
+const util = require('util')
+const http = require('http')
+const https = require('https')
+const install = require('../lib/install')
+const semver = require('semver')
+const devDir = require('./common').devDir()
+const rimraf = require('rimraf')
+const gyp = require('../lib/node-gyp')
+const log = require('npmlog')
+
+log.level = 'warn'
+
+test('download over http', async (t) => {
+  t.plan(2)
+
+  const server = http.createServer((req, res) => {
+    t.strictEqual(req.headers['user-agent'], `node-gyp v42 (node ${process.version})`)
+    res.end('ok')
+  })
+
+  t.tearDown(() => new Promise((resolve) => server.close(resolve)))
+
+  const host = 'localhost'
+  await new Promise((resolve) => server.listen(0, host, resolve))
+  const { port } = server.address()
+  const gyp = {
+    opts: {},
+    version: '42'
+  }
+  const url = `http://${host}:${port}`
+  const res = await install.test.download(gyp, url)
+  t.strictEqual(await res.text(), 'ok')
+})
+
+test('download over https with custom ca', async (t) => {
+  t.plan(3)
+
+  const cafile = path.join(__dirname, '/fixtures/ca.crt')
+  const [cert, key, ca] = await Promise.all([
+    fs.promises.readFile(path.join(__dirname, 'fixtures/server.crt'), 'utf8'),
+    fs.promises.readFile(path.join(__dirname, 'fixtures/server.key'), 'utf8'),
+    install.test.readCAFile(cafile)
+  ])
+
+  t.strictEqual(ca.length, 1)
+
+  const options = { ca: ca, cert: cert, key: key }
+  const server = https.createServer(options, (req, res) => {
+    t.strictEqual(req.headers['user-agent'], `node-gyp v42 (node ${process.version})`)
+    res.end('ok')
+  })
+
+  t.tearDown(() => new Promise((resolve) => server.close(resolve)))
+
+  server.on('clientError', (err) => { throw err })
+
+  const host = 'localhost'
+  await new Promise((resolve) => server.listen(0, host, resolve))
+  const { port } = server.address()
+  const gyp = {
+    opts: { cafile },
+    version: '42'
+  }
+  const url = `https://${host}:${port}`
+  const res = await install.test.download(gyp, url)
+  t.strictEqual(await res.text(), 'ok')
+})
+
+test('download over http with proxy', async (t) => {
+  t.plan(2)
+
+  const server = http.createServer((_, res) => {
+    res.end('ok')
+  })
+
+  const pserver = http.createServer((req, res) => {
+    t.strictEqual(req.headers['user-agent'], `node-gyp v42 (node ${process.version})`)
+    res.end('proxy ok')
+  })
+
+  t.tearDown(() => Promise.all([
+    new Promise((resolve) => server.close(resolve)),
+    new Promise((resolve) => pserver.close(resolve))
+  ]))
+
+  const host = 'localhost'
+  await new Promise((resolve) => server.listen(0, host, resolve))
+  const { port } = server.address()
+  await new Promise((resolve) => pserver.listen(port + 1, host, resolve))
+  const gyp = {
+    opts: {
+      proxy: `http://${host}:${port + 1}`,
+      noproxy: 'bad'
+    },
+    version: '42'
+  }
+  const url = `http://${host}:${port}`
+  const res = await install.test.download(gyp, url)
+  t.strictEqual(await res.text(), 'proxy ok')
+})
+
+test('download over http with noproxy', async (t) => {
+  t.plan(2)
+
+  const server = http.createServer((req, res) => {
+    t.strictEqual(req.headers['user-agent'], `node-gyp v42 (node ${process.version})`)
+    res.end('ok')
+  })
+
+  const pserver = http.createServer((_, res) => {
+    res.end('proxy ok')
+  })
+
+  t.tearDown(() => Promise.all([
+    new Promise((resolve) => server.close(resolve)),
+    new Promise((resolve) => pserver.close(resolve))
+  ]))
+
+  const host = 'localhost'
+  await new Promise((resolve) => server.listen(0, host, resolve))
+  const { port } = server.address()
+  await new Promise((resolve) => pserver.listen(port + 1, host, resolve))
+  const gyp = {
+    opts: {
+      proxy: `http://${host}:${port + 1}`,
+      noproxy: host
+    },
+    version: '42'
+  }
+  const url = `http://${host}:${port}`
+  const res = await install.test.download(gyp, url)
+  t.strictEqual(await res.text(), 'ok')
+})
+
+test('download with missing cafile', async (t) => {
+  t.plan(1)
+  const gyp = {
+    opts: { cafile: 'no.such.file' }
+  }
+  try {
+    await install.test.download(gyp, {}, 'http://bad/')
+  } catch (e) {
+    t.ok(/no.such.file/.test(e.message))
+  }
+})
+
+test('check certificate splitting', async (t) => {
+  const cas = await install.test.readCAFile(path.join(__dirname, 'fixtures/ca-bundle.crt'))
+  t.plan(2)
+  t.strictEqual(cas.length, 2)
+  t.notStrictEqual(cas[0], cas[1])
+})
+
+// only run this test if we are running a version of Node with predictable version path behavior
+
+test('download headers (actual)', async (t) => {
+  if (process.env.FAST_TEST ||
+      process.release.name !== 'node' ||
+      semver.prerelease(process.version) !== null ||
+      semver.satisfies(process.version, '<10')) {
+    return t.skip('Skipping actual download of headers due to test environment configuration')
+  }
+
+  t.plan(12)
+
+  const expectedDir = path.join(devDir, process.version.replace(/^v/, ''))
+  await util.promisify(rimraf)(expectedDir)
+
+  const prog = gyp()
+  prog.parseArgv([])
+  prog.devDir = devDir
+  log.level = 'warn'
+  await util.promisify(install)(prog, [])
+
+  const data = await fs.promises.readFile(path.join(expectedDir, 'installVersion'), 'utf8')
+  t.strictEqual(data, '9\n', 'correct installVersion')
+
+  const list = await fs.promises.readdir(path.join(expectedDir, 'include/node'))
+  t.ok(list.includes('common.gypi'))
+  t.ok(list.includes('config.gypi'))
+  t.ok(list.includes('node.h'))
+  t.ok(list.includes('node_version.h'))
+  t.ok(list.includes('openssl'))
+  t.ok(list.includes('uv'))
+  t.ok(list.includes('uv.h'))
+  t.ok(list.includes('v8-platform.h'))
+  t.ok(list.includes('v8.h'))
+  t.ok(list.includes('zlib.h'))
+
+  const lines = (await fs.promises.readFile(path.join(expectedDir, 'include/node/node_version.h'), 'utf8')).split('\n')
+
+  // extract the 3 version parts from the defines to build a valid version string and
+  // and check them against our current env version
+  const version = ['major', 'minor', 'patch'].reduce((version, type) => {
+    const re = new RegExp(`^#define\\sNODE_${type.toUpperCase()}_VERSION`)
+    const line = lines.find((l) => re.test(l))
+    const i = line ? parseInt(line.replace(/^[^0-9]+([0-9]+).*$/, '$1'), 10) : 'ERROR'
+    return `${version}${type !== 'major' ? '.' : 'v'}${i}`
+  }, '')
+
+  t.strictEqual(version, process.version)
+})