diff --git a/lib/search.js b/lib/search.js
index 5c25bd715ba60..4a4f1f5a7e9c9 100644
--- a/lib/search.js
+++ b/lib/search.js
@@ -1,27 +1,25 @@
 'use strict'
 
-module.exports = exports = search
-
+const Minipass = require('minipass')
 const Pipeline = require('minipass-pipeline')
-
-const npm = require('./npm.js')
-const formatPackageStream = require('./search/format-package-stream.js')
-
 const libSearch = require('libnpmsearch')
 const log = require('npmlog')
+
+const formatPackageStream = require('./search/format-package-stream.js')
+const packageFilter = require('./search/package-filter.js')
+const npm = require('./npm.js')
 const output = require('./utils/output.js')
-const usage = require('./utils/usage')
+const usageUtil = require('./utils/usage.js')
+const completion = require('./utils/completion/none.js')
 
-search.usage = usage(
+const usage = usageUtil(
   'search',
   'npm search [--long] [search terms ...]'
 )
 
-search.completion = function (opts, cb) {
-  cb(null, [])
-}
+const cmd = (args, cb) => search(args).then(() => cb()).catch(cb)
 
-function search (args, cb) {
+const search = async (args) => {
   const opts = {
     ...npm.flatOptions,
     ...npm.flatOptions.search,
@@ -30,22 +28,33 @@ function search (args, cb) {
   }
 
   if (opts.include.length === 0)
-    return cb(new Error('search must be called with arguments'))
+    throw new Error('search must be called with arguments')
 
   // Used later to figure out whether we had any packages go out
   let anyOutput = false
 
+  class FilterStream extends Minipass {
+    write (pkg) {
+      if (packageFilter(pkg, opts.include, opts.exclude))
+        super.write(pkg)
+    }
+  }
+
+  const filterStream = new FilterStream()
+
   // Grab a configured output stream that will spit out packages in the
   // desired format.
-  //
-  // This is a text minipass stream
-  var outputStream = formatPackageStream({
+  const outputStream = formatPackageStream({
     args, // --searchinclude options are not highlighted
     ...opts,
   })
 
   log.silly('search', 'searching packages')
-  const p = new Pipeline(libSearch.stream(opts.include, opts), outputStream)
+  const p = new Pipeline(
+    libSearch.stream(opts.include, opts),
+    filterStream,
+    outputStream
+  )
 
   p.on('data', chunk => {
     if (!anyOutput)
@@ -53,24 +62,18 @@ function search (args, cb) {
     output(chunk.toString('utf8'))
   })
 
-  p.promise().then(() => {
-    if (!anyOutput && !opts.json && !opts.parseable)
-      output('No matches found for ' + (args.map(JSON.stringify).join(' ')))
+  await p.promise()
+  if (!anyOutput && !opts.json && !opts.parseable)
+    output('No matches found for ' + (args.map(JSON.stringify).join(' ')))
 
-    log.silly('search', 'search completed')
-    log.clearProgress()
-    cb(null, {})
-  }, err => cb(err))
+  log.silly('search', 'search completed')
+  log.clearProgress()
 }
 
 function prepareIncludes (args, searchopts) {
-  if (typeof searchopts !== 'string')
-    searchopts = ''
-  return searchopts.split(/\s+/).concat(args).map(function (s) {
-    return s.toLowerCase()
-  }).filter(function (s) {
-    return s
-  })
+  return args
+    .map(s => s.toLowerCase())
+    .filter(s => s)
 }
 
 function prepareExcludes (searchexclude) {
@@ -80,7 +83,9 @@ function prepareExcludes (searchexclude) {
   else
     exclude = []
 
-  return exclude.map(function (s) {
-    return s.toLowerCase()
-  })
+  return exclude
+    .map(s => s.toLowerCase())
+    .filter(s => s)
 }
+
+module.exports = Object.assign(cmd, { completion, usage })
diff --git a/package-lock.json b/package-lock.json
index c95cabe201ca2..0929e80400713 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -392,6 +392,8 @@
         "libnpmteam": "^2.0.2",
         "libnpmversion": "^1.0.7",
         "make-fetch-happen": "^8.0.12",
+        "minipass": "^3.1.3",
+        "minipass-pipeline": "^1.2.4",
         "mkdirp": "^1.0.4",
         "mkdirp-infer-owner": "^2.0.0",
         "ms": "^2.1.2",
diff --git a/package.json b/package.json
index 27ca99e70ffd4..92748bfb078dd 100644
--- a/package.json
+++ b/package.json
@@ -78,6 +78,8 @@
     "libnpmteam": "^2.0.2",
     "libnpmversion": "^1.0.7",
     "make-fetch-happen": "^8.0.12",
+    "minipass": "^3.1.3",
+    "minipass-pipeline": "^1.2.4",
     "mkdirp": "^1.0.4",
     "mkdirp-infer-owner": "^2.0.0",
     "ms": "^2.1.2",
diff --git a/tap-snapshots/test-lib-search.js-TAP.test.js b/tap-snapshots/test-lib-search.js-TAP.test.js
new file mode 100644
index 0000000000000..4b4dc75ea3e89
--- /dev/null
+++ b/tap-snapshots/test-lib-search.js-TAP.test.js
@@ -0,0 +1,20 @@
+/* IMPORTANT
+ * This snapshot file is auto-generated, but designed for humans.
+ * It should be checked into source control and tracked carefully.
+ * Re-generate by setting TAP_SNAPSHOT=1 and running tests.
+ * Make sure to inspect the output below.  Do not ignore changes!
+ */
+'use strict'
+exports[`test/lib/search.js TAP empty search results > should have expected search results 1`] = `
+No matches found for "foo"
+`
+
+exports[`test/lib/search.js TAP search <name> --searchexclude --searchopts > should have filtered expected search results 1`] = `
+NAME                      | AUTHOR          | DATE        | VERSION  | KEYWORDS
+foo                       | =foo            | prehistoric | 1.0.0    |         
+`
+
+exports[`test/lib/search.js TAP search <name> > should have expected search results 1`] = `
+NAME                      | AUTHOR          | DATE       | VERSION  | KEYWORDS                   
+libnpm                    | =nlf…           | 2019-07-16 | 3.0.1    | npm api package manager liblibnpmaccess              | =nlf…           | 2020-11-03 | 4.0.1    | @evocateur/libnpmaccess   | =evocateur      | 2019-07-16 | 3.1.2    | @evocateur/libnpmpublish  | =evocateur      | 2019-07-16 | 1.2.2    | libnpmorg                 | =nlf…           | 2020-11-03 | 2.0.1    | libnpm npm package manager api orgs teamslibnpmsearch              | =nlf…           | 2020-12-08 | 3.1.0    | npm search api libnpmlibnpmteam                | =nlf…           | 2020-11-03 | 2.0.2    | libnpmhook                | =nlf…           | 2020-11-03 | 6.0.1    | npm hooks registry npm apilibnpmpublish             | =nlf…           | 2020-11-03 | 4.0.0    | libnpmfund                | =nlf…           | 2020-12-08 | 1.0.2    | npm npmcli libnpm cli git fund gitfund@npmcli/map-workspaces    | =nlf…           | 2020-09-30 | 1.0.1    | npm npmcli libnpm cli workspaces map-workspaceslibnpmversion             | =nlf…           | 2020-11-04 | 1.0.7    | @types/libnpmsearch       | =types          | 2019-09-26 | 2.0.1    | 
+`
diff --git a/test/fixtures/libnpmsearch-stream-result.js b/test/fixtures/libnpmsearch-stream-result.js
new file mode 100644
index 0000000000000..4d3aca396fbca
--- /dev/null
+++ b/test/fixtures/libnpmsearch-stream-result.js
@@ -0,0 +1,277 @@
+module.exports = [
+  {
+    name: 'libnpm',
+    scope: 'unscoped',
+    version: '3.0.1',
+    description: 'Collection of programmatic APIs for the npm CLI',
+    keywords: ['npm', 'api', 'package manager', 'lib'],
+    date: new Date('2019-07-16T17:50:00.572Z'),
+    links: {
+      npm: 'https://www.npmjs.com/package/libnpm',
+      homepage: 'https://github.com/npm/libnpm#readme',
+      repository: 'https://github.com/npm/libnpm',
+      bugs: 'https://github.com/npm/libnpm/issues',
+    },
+    author: { name: 'Kat Marchán', email: 'kzm@zkat.tech' },
+    publisher: { username: 'isaacs', email: 'i@izs.me' },
+    maintainers: [
+      { username: 'nlf', email: 'quitlahok@gmail.com' },
+      { username: 'ruyadorno', email: 'ruyadorno@hotmail.com' },
+      { username: 'darcyclarke', email: 'darcy@darcyclarke.me' },
+      { username: 'isaacs', email: 'i@izs.me' },
+    ],
+  },
+  {
+    name: 'libnpmaccess',
+    scope: 'unscoped',
+    version: '4.0.1',
+    description: 'programmatic library for `npm access` commands',
+    date: new Date('2020-11-03T19:19:00.526Z'),
+    links: {
+      npm: 'https://www.npmjs.com/package/libnpmaccess',
+      homepage: 'https://npmjs.com/package/libnpmaccess',
+      repository: 'https://github.com/npm/libnpmaccess',
+      bugs: 'https://github.com/npm/libnpmaccess/issues',
+    },
+    author: { name: 'Kat Marchán', email: 'kzm@sykosomatic.org' },
+    publisher: { username: 'nlf', email: 'quitlahok@gmail.com' },
+    maintainers: [
+      { username: 'nlf', email: 'quitlahok@gmail.com' },
+      { username: 'ruyadorno', email: 'ruyadorno@hotmail.com' },
+      { username: 'darcyclarke', email: 'darcy@darcyclarke.me' },
+      { username: 'isaacs', email: 'i@izs.me' },
+    ],
+  },
+  {
+    name: '@evocateur/libnpmaccess',
+    scope: 'evocateur',
+    version: '3.1.2',
+    description: 'programmatic library for `npm access` commands',
+    date: new Date('2019-07-16T19:43:33.959Z'),
+    links: {
+      npm: 'https://www.npmjs.com/package/%40evocateur%2Flibnpmaccess',
+      homepage: 'https://npmjs.com/package/@evocateur/libnpmaccess',
+      repository: 'https://github.com/evocateur/libnpmaccess',
+      bugs: 'https://github.com/evocateur/libnpmaccess/issues',
+    },
+    author: { name: 'Kat Marchán', email: 'kzm@zkat.tech' },
+    publisher: { username: 'evocateur', email: 'daniel.stockman@gmail.com' },
+    maintainers: [{ username: 'evocateur', email: 'daniel.stockman@gmail.com' }],
+  },
+  {
+    name: '@evocateur/libnpmpublish',
+    scope: 'evocateur',
+    version: '1.2.2',
+    description: 'Programmatic API for the bits behind npm publish and unpublish',
+    date: new Date('2019-07-16T19:40:40.850Z'),
+    links: {
+      npm: 'https://www.npmjs.com/package/%40evocateur%2Flibnpmpublish',
+      homepage: 'https://npmjs.com/package/@evocateur/libnpmpublish',
+      repository: 'https://github.com/evocateur/libnpmpublish',
+      bugs: 'https://github.com/evocateur/libnpmpublish/issues',
+    },
+    author: { name: 'Kat Marchán', email: 'kzm@zkat.tech' },
+    publisher: { username: 'evocateur', email: 'daniel.stockman@gmail.com' },
+    maintainers: [{ username: 'evocateur', email: 'daniel.stockman@gmail.com' }],
+  },
+  {
+    name: 'libnpmorg',
+    scope: 'unscoped',
+    version: '2.0.1',
+    description: 'Programmatic api for `npm org` commands',
+    keywords: ['libnpm', 'npm', 'package manager', 'api', 'orgs', 'teams'],
+    date: new Date('2020-11-03T19:21:57.757Z'),
+    links: {
+      npm: 'https://www.npmjs.com/package/libnpmorg',
+      homepage: 'https://npmjs.com/package/libnpmorg',
+      repository: 'https://github.com/npm/libnpmorg',
+      bugs: 'https://github.com/npm/libnpmorg/issues',
+    },
+    author: { name: 'Kat Marchán', email: 'kzm@sykosomatic.org' },
+    publisher: { username: 'nlf', email: 'quitlahok@gmail.com' },
+    maintainers: [
+      { username: 'nlf', email: 'quitlahok@gmail.com' },
+      { username: 'ruyadorno', email: 'ruyadorno@hotmail.com' },
+      { username: 'darcyclarke', email: 'darcy@darcyclarke.me' },
+      { username: 'isaacs', email: 'i@izs.me' },
+    ],
+  },
+  {
+    name: 'libnpmsearch',
+    scope: 'unscoped',
+    version: '3.1.0',
+    description: 'Programmatic API for searching in npm and compatible registries.',
+    keywords: ['npm', 'search', 'api', 'libnpm'],
+    date: new Date('2020-12-08T23:54:18.374Z'),
+    links: {
+      npm: 'https://www.npmjs.com/package/libnpmsearch',
+      homepage: 'https://npmjs.com/package/libnpmsearch',
+      repository: 'https://github.com/npm/libnpmsearch',
+      bugs: 'https://github.com/npm/libnpmsearch/issues',
+    },
+    author: { name: 'Kat Marchán', email: 'kzm@sykosomatic.org' },
+    publisher: { username: 'isaacs', email: 'i@izs.me' },
+    maintainers: [
+      { username: 'nlf', email: 'quitlahok@gmail.com' },
+      { username: 'ruyadorno', email: 'ruyadorno@hotmail.com' },
+      { username: 'darcyclarke', email: 'darcy@darcyclarke.me' },
+      { username: 'isaacs', email: 'i@izs.me' },
+    ],
+  },
+  {
+    name: 'libnpmteam',
+    scope: 'unscoped',
+    version: '2.0.2',
+    description: 'npm Team management APIs',
+    date: new Date('2020-11-03T19:24:42.380Z'),
+    links: {
+      npm: 'https://www.npmjs.com/package/libnpmteam',
+      homepage: 'https://npmjs.com/package/libnpmteam',
+      repository: 'https://github.com/npm/libnpmteam',
+      bugs: 'https://github.com/npm/libnpmteam/issues',
+    },
+    author: { name: 'Kat Marchán', email: 'kzm@zkat.tech' },
+    publisher: { username: 'nlf', email: 'quitlahok@gmail.com' },
+    maintainers: [
+      { username: 'nlf', email: 'quitlahok@gmail.com' },
+      { username: 'ruyadorno', email: 'ruyadorno@hotmail.com' },
+      { username: 'darcyclarke', email: 'darcy@darcyclarke.me' },
+      { username: 'isaacs', email: 'i@izs.me' },
+    ],
+  },
+  {
+    name: 'libnpmhook',
+    scope: 'unscoped',
+    version: '6.0.1',
+    description: 'programmatic API for managing npm registry hooks',
+    keywords: ['npm', 'hooks', 'registry', 'npm api'],
+    date: new Date('2020-11-03T19:20:45.818Z'),
+    links: {
+      npm: 'https://www.npmjs.com/package/libnpmhook',
+      homepage: 'https://github.com/npm/libnpmhook#readme',
+      repository: 'https://github.com/npm/libnpmhook',
+      bugs: 'https://github.com/npm/libnpmhook/issues',
+    },
+    author: { name: 'Kat Marchán', email: 'kzm@sykosomatic.org' },
+    publisher: { username: 'nlf', email: 'quitlahok@gmail.com' },
+    maintainers: [
+      { username: 'nlf', email: 'quitlahok@gmail.com' },
+      { username: 'ruyadorno', email: 'ruyadorno@hotmail.com' },
+      { username: 'darcyclarke', email: 'darcy@darcyclarke.me' },
+      { username: 'isaacs', email: 'i@izs.me' },
+    ],
+  },
+  {
+    name: 'libnpmpublish',
+    scope: 'unscoped',
+    version: '4.0.0',
+    description: 'Programmatic API for the bits behind npm publish and unpublish',
+    date: new Date('2020-11-03T19:13:43.780Z'),
+    links: {
+      npm: 'https://www.npmjs.com/package/libnpmpublish',
+      homepage: 'https://npmjs.com/package/libnpmpublish',
+      repository: 'https://github.com/npm/libnpmpublish',
+      bugs: 'https://github.com/npm/libnpmpublish/issues',
+    },
+    author: { name: 'npm Inc.', email: 'support@npmjs.com' },
+    publisher: { username: 'nlf', email: 'quitlahok@gmail.com' },
+    maintainers: [
+      { username: 'nlf', email: 'quitlahok@gmail.com' },
+      { username: 'ruyadorno', email: 'ruyadorno@hotmail.com' },
+      { username: 'darcyclarke', email: 'darcy@darcyclarke.me' },
+      { username: 'isaacs', email: 'i@izs.me' },
+    ],
+  },
+  {
+    name: 'libnpmfund',
+    scope: 'unscoped',
+    version: '1.0.2',
+    description: 'Programmatic API for npm fund',
+    keywords: [
+      'npm', 'npmcli',
+      'libnpm', 'cli',
+      'git', 'fund',
+      'gitfund',
+    ],
+    date: new Date('2020-12-08T23:22:00.213Z'),
+    links: {
+      npm: 'https://www.npmjs.com/package/libnpmfund',
+      homepage: 'https://github.com/npm/libnpmfund#readme',
+      repository: 'https://github.com/npm/libnpmfund',
+      bugs: 'https://github.com/npm/libnpmfund/issues',
+    },
+    author: { name: 'npm Inc.', email: 'support@npmjs.com' },
+    publisher: { username: 'isaacs', email: 'i@izs.me' },
+    maintainers: [
+      { username: 'nlf', email: 'quitlahok@gmail.com' },
+      { username: 'ruyadorno', email: 'ruyadorno@hotmail.com' },
+      { username: 'darcyclarke', email: 'darcy@darcyclarke.me' },
+      { username: 'isaacs', email: 'i@izs.me' },
+    ],
+  },
+  {
+    name: '@npmcli/map-workspaces',
+    scope: 'npmcli',
+    version: '1.0.1',
+    description: 'Retrieves a name:pathname Map for a given workspaces config',
+    keywords: [
+      'npm',
+      'npmcli',
+      'libnpm',
+      'cli',
+      'workspaces',
+      'map-workspaces',
+    ],
+    date: new Date('2020-09-30T15:16:29.017Z'),
+    links: {
+      npm: 'https://www.npmjs.com/package/%40npmcli%2Fmap-workspaces',
+      homepage: 'https://github.com/npm/map-workspaces#readme',
+      repository: 'https://github.com/npm/map-workspaces',
+      bugs: 'https://github.com/npm/map-workspaces/issues',
+    },
+    author: { name: 'npm Inc.', email: 'support@npmjs.com' },
+    publisher: { username: 'ruyadorno', email: 'ruyadorno@hotmail.com' },
+    maintainers: [
+      { username: 'nlf', email: 'quitlahok@gmail.com' },
+      { username: 'ruyadorno', email: 'ruyadorno@hotmail.com' },
+      { username: 'darcyclarke', email: 'darcy@darcyclarke.me' },
+      { username: 'isaacs', email: 'i@izs.me' },
+    ],
+  },
+  {
+    name: 'libnpmversion',
+    scope: 'unscoped',
+    version: '1.0.7',
+    description: "library to do the things that 'npm version' does",
+    date: new Date('2020-11-04T00:21:41.069Z'),
+    links: {
+      npm: 'https://www.npmjs.com/package/libnpmversion',
+      homepage: 'https://github.com/npm/libnpmversion#readme',
+      repository: 'https://github.com/npm/libnpmversion',
+      bugs: 'https://github.com/npm/libnpmversion/issues',
+    },
+    author: {
+      name: 'Isaac Z. Schlueter',
+      email: 'i@izs.me',
+      url: 'https://izs.me',
+      username: 'isaacs',
+    },
+    publisher: { username: 'isaacs', email: 'i@izs.me' },
+    maintainers: [
+      { username: 'nlf', email: 'quitlahok@gmail.com' },
+      { username: 'ruyadorno', email: 'ruyadorno@hotmail.com' },
+      { username: 'darcyclarke', email: 'darcy@darcyclarke.me' },
+      { username: 'isaacs', email: 'i@izs.me' },
+    ],
+  },
+  {
+    name: '@types/libnpmsearch',
+    scope: 'types',
+    version: '2.0.1',
+    description: 'TypeScript definitions for libnpmsearch',
+    date: new Date('2019-09-26T22:24:28.713Z'),
+    links: { npm: 'https://www.npmjs.com/package/%40types%2Flibnpmsearch' },
+    publisher: { username: 'types', email: 'ts-npm-types@microsoft.com' },
+    maintainers: [{ username: 'types', email: 'ts-npm-types@microsoft.com' }],
+  },
+]
diff --git a/test/lib/search.js b/test/lib/search.js
new file mode 100644
index 0000000000000..1dba1250e08f0
--- /dev/null
+++ b/test/lib/search.js
@@ -0,0 +1,193 @@
+const Minipass = require('minipass')
+const t = require('tap')
+const requireInject = require('require-inject')
+const libnpmsearchResultFixture =
+  require('../fixtures/libnpmsearch-stream-result.js')
+
+let result = ''
+const flatOptions = {
+  search: {
+    exclude: null,
+    limit: 20,
+    opts: '',
+  },
+}
+const npm = { flatOptions: { ...flatOptions } }
+const npmlog = {
+  silly () {},
+  clearProgress () {},
+}
+const libnpmsearch = {
+  stream () {},
+}
+const mocks = {
+  npmlog,
+  libnpmsearch,
+  '../../lib/npm.js': npm,
+  '../../lib/utils/output.js': (...msg) => {
+    result += msg.join('\n')
+  },
+  '../../lib/utils/usage.js': () => 'usage instructions',
+  // '../../lib/search/format-package-stream.js': a => a,
+}
+
+t.afterEach(cb => {
+  result = ''
+  npm.flatOptions = flatOptions
+  cb()
+})
+
+const search = requireInject('../../lib/search.js', mocks)
+
+t.test('no args', t => {
+  search([], err => {
+    t.match(
+      err,
+      /search must be called with arguments/,
+      'should throw usage instructions'
+    )
+    t.end()
+  })
+})
+
+t.test('search <name>', t => {
+  const src = new Minipass()
+  src.objectMode = true
+  const libnpmsearch = {
+    stream () {
+      return src
+    },
+  }
+
+  const search = requireInject('../../lib/search.js', {
+    ...mocks,
+    libnpmsearch,
+  })
+
+  search(['libnpm'], err => {
+    if (err)
+      throw err
+
+    t.matchSnapshot(result, 'should have expected search results')
+
+    t.end()
+  })
+
+  for (const i of libnpmsearchResultFixture)
+    src.write(i)
+
+  src.end()
+})
+
+t.test('search <name> --searchexclude --searchopts', t => {
+  npm.flatOptions.search = {
+    ...flatOptions.search,
+    exclude: '',
+  }
+
+  const src = new Minipass()
+  src.objectMode = true
+  const libnpmsearch = {
+    stream () {
+      return src
+    },
+  }
+
+  const search = requireInject('../../lib/search.js', {
+    ...mocks,
+    libnpmsearch,
+  })
+
+  search(['foo'], err => {
+    if (err)
+      throw err
+
+    t.matchSnapshot(result, 'should have filtered expected search results')
+
+    t.end()
+  })
+
+  src.write({
+    name: 'foo',
+    scope: 'unscoped',
+    version: '1.0.0',
+    description: '',
+    keywords: [],
+    date: null,
+    author: { name: 'Foo', email: 'foo@npmjs.com' },
+    publisher: { name: 'Foo', email: 'foo@npmjs.com' },
+    maintainers: [
+      { username: 'foo', email: 'foo@npmjs.com' },
+    ],
+  })
+  src.write({
+    name: 'libnpmversion',
+    scope: 'unscoped',
+    version: '1.0.0',
+    description: '',
+    keywords: [],
+    date: null,
+    author: { name: 'Foo', email: 'foo@npmjs.com' },
+    publisher: { name: 'Foo', email: 'foo@npmjs.com' },
+    maintainers: [
+      { username: 'foo', email: 'foo@npmjs.com' },
+    ],
+  })
+
+  src.end()
+})
+
+t.test('empty search results', t => {
+  const src = new Minipass()
+  src.objectMode = true
+  const libnpmsearch = {
+    stream () {
+      return src
+    },
+  }
+
+  const search = requireInject('../../lib/search.js', {
+    ...mocks,
+    libnpmsearch,
+  })
+
+  search(['foo'], err => {
+    if (err)
+      throw err
+
+    t.matchSnapshot(result, 'should have expected search results')
+
+    t.end()
+  })
+
+  src.end()
+})
+
+t.test('search api response error', t => {
+  const src = new Minipass()
+  src.objectMode = true
+  const libnpmsearch = {
+    stream () {
+      return src
+    },
+  }
+
+  const search = requireInject('../../lib/search.js', {
+    ...mocks,
+    libnpmsearch,
+  })
+
+  search(['foo'], err => {
+    t.match(
+      err,
+      /ERR/,
+      'should throw response error'
+    )
+
+    t.end()
+  })
+
+  src.emit('error', new Error('ERR'))
+
+  src.end()
+})