From df575488052e39c290c0845a2a40db1c767ff6ac Mon Sep 17 00:00:00 2001
From: murgatroid99 <mlumish@google.com>
Date: Wed, 24 Apr 2019 16:12:02 -0700
Subject: [PATCH] Update gulp to version 4, rewrite scripts

---
 gulpfile.ts                                   | 111 ++++++------------
 package.json                                  |   6 +-
 .../{gulpfile.js => gulpfile.ts}              |  49 ++++----
 packages/grpc-js/gulpfile.ts                  |  49 ++++----
 .../{gulpfile.js => gulpfile.ts}              |  69 ++++++-----
 packages/proto-loader/gulpfile.ts             |  44 ++++---
 run-tests.bat                                 |   4 +-
 run-tests.sh                                  |   2 +-
 test/{gulpfile.js => gulpfile.ts}             |  38 +++---
 9 files changed, 183 insertions(+), 189 deletions(-)
 rename packages/grpc-health-check/{gulpfile.js => gulpfile.ts} (55%)
 rename packages/grpc-native-core/{gulpfile.js => gulpfile.ts} (65%)
 rename test/{gulpfile.js => gulpfile.ts} (74%)

diff --git a/gulpfile.ts b/gulpfile.ts
index 50b10c03..2a4fc914 100644
--- a/gulpfile.ts
+++ b/gulpfile.ts
@@ -15,96 +15,55 @@
  *
  */
 
-import * as _gulp from 'gulp';
-import * as help from 'gulp-help';
-
-// gulp-help monkeypatches tasks to have an additional description parameter
-const gulp = help(_gulp);
-
-const runSequence = require('run-sequence');
-
-/**
- * Require a module at the given path with a patched gulp object that prepends
- * the given prefix to each task name.
- * @param path The path to require.
- * @param prefix The string to use as a prefix. This will be prepended to a task
- *               name with a '.' separator.
- */
-function loadGulpTasksWithPrefix(path: string, prefix: string) {
-  const gulpTask = gulp.task;
-  gulp.task = ((taskName: string, ...args: any[]) => {
-    // Don't create a task for ${prefix}.help
-    if (taskName === 'help') {
-      return;
-    }
-    // The only array passed to gulp.task must be a list of dependent tasks.
-    const newArgs = args.map(arg => Array.isArray(arg) ?
-      arg.map(dep => `${prefix}.${dep}`) : arg);
-    gulpTask(`${prefix}.${taskName}`, ...newArgs);
-  });
-  const result = require(path);
-  gulp.task = gulpTask;
-  return result;
-}
-
-[
-  ['./packages/grpc-health-check/gulpfile', 'health-check'],
-  ['./packages/grpc-js/gulpfile', 'js.core'],
-  ['./packages/grpc-native-core/gulpfile', 'native.core'],
-  ['./packages/proto-loader/gulpfile', 'protobuf'],
-  ['./test/gulpfile', 'internal.test'],
-].forEach((args) => loadGulpTasksWithPrefix(args[0], args[1]));
+import * as gulp from 'gulp';
+import * as healthCheck from './packages/grpc-health-check/gulpfile';
+import * as jsCore from './packages/grpc-js/gulpfile';
+import * as nativeCore from './packages/grpc-native-core/gulpfile';
+import * as protobuf from './packages/proto-loader/gulpfile';
+import * as internalTest from './test/gulpfile';
 
 const root = __dirname;
 
-gulp.task('install.all', 'Install dependencies for all subdirectory packages',
-          ['js.core.install', 'native.core.install', 'health-check.install', 'protobuf.install', 'internal.test.install']);
+const installAll = gulp.parallel(jsCore.install, nativeCore.install, healthCheck.install, protobuf.install, internalTest.install);
 
-gulp.task('install.all.windows', 'Install dependencies for all subdirectory packages for MS Windows',
-          ['js.core.install', 'native.core.install.windows', 'health-check.install', 'protobuf.install', 'internal.test.install']);
+const installAllWindows = gulp.parallel(jsCore.install, nativeCore.installWindows, healthCheck.install, protobuf.install, internalTest.install);
 
-gulp.task('lint', 'Emit linting errors in source and test files',
-          ['js.core.lint', 'native.core.lint']);
+const lint = gulp.parallel(jsCore.lint, nativeCore.lint);
 
-gulp.task('build', 'Build packages', ['js.core.compile', 'native.core.build', 'protobuf.compile']);
+const build = gulp.parallel(jsCore.compile, nativeCore.build, protobuf.compile);
 
-gulp.task('link.surface', 'Link to surface packages',
-          ['health-check.link.add']);
+const link = gulp.series(healthCheck.linkAdd);
 
-gulp.task('link', 'Link together packages', (callback) => {
-  /**
-   * We use workarounds for linking in some modules. See npm/npm#18835
-   */
-  runSequence('link.surface', callback);
-});
+const setup = gulp.series(installAll, link);
 
-gulp.task('setup', 'One-time setup for a clean repository', (callback) => {
-  runSequence('install.all', 'link', callback);
-});
-gulp.task('setup.windows', 'One-time setup for a clean repository for MS Windows', (callback) => {
-  runSequence('install.all.windows', 'link', callback);
-});
+const setupWindows = gulp.series(installAllWindows, link);
 
-gulp.task('clean', 'Delete generated files', ['js.core.clean', 'native.core.clean', 'protobuf.clean']);
+const clean = gulp.parallel(jsCore.clean, nativeCore.clean, protobuf.clean);
 
-gulp.task('clean.all', 'Delete all files created by tasks',
-	  ['js.core.clean.all', 'native.core.clean.all', 'health-check.clean.all',
-	   'internal.test.clean.all', 'protobuf.clean.all']);
+const cleanAll = gulp.parallel(jsCore.cleanAll, nativeCore.cleanAll, healthCheck.cleanAll, internalTest.cleanAll, protobuf.cleanAll);
 
-gulp.task('native.test.only', 'Run tests of native code without rebuilding anything',
-          ['native.core.test', 'health-check.test']);
+const nativeTestOnly = gulp.parallel(nativeCore.test, healthCheck.test);
 
-gulp.task('native.test', 'Run tests of native code', (callback) => {
-  runSequence('build', 'native.test.only', callback);
-});
+const nativeTest = gulp.series(build, nativeTestOnly);
 
-gulp.task('test.only', 'Run tests without rebuilding anything',
-          ['js.core.test', 'native.test.only', 'protobuf.test']);
+const testOnly = gulp.parallel(jsCore.test, nativeTestOnly, protobuf.test);
 
-gulp.task('test', 'Run all tests', (callback) => {
-  runSequence('build', 'test.only', 'internal.test.test', callback);
-});
+const test = gulp.series(build, testOnly, internalTest.test);
 
-gulp.task('doc.gen', 'Generate documentation', ['native.core.doc.gen']);
+const docGen = gulp.series(nativeCore.docGen);
 
-gulp.task('default', ['help']);
+export {
+  installAll,
+  installAllWindows,
+  lint,
+  build,
+  link,
+  setup,
+  setupWindows,
+  clean,
+  cleanAll,
+  nativeTestOnly,
+  nativeTest,
+  test,
+  docGen
+};
diff --git a/package.json b/package.json
index 1ec8cc2c..00c647ef 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,6 @@
   "devDependencies": {
     "@types/execa": "^0.8.0",
     "@types/gulp": "^4.0.5",
-    "@types/gulp-help": "0.0.34",
     "@types/gulp-mocha": "0.0.31",
     "@types/ncp": "^2.0.1",
     "@types/node": "^8.0.32",
@@ -20,8 +19,7 @@
     "coveralls": "^3.0.1",
     "del": "^3.0.0",
     "execa": "^0.8.0",
-    "gulp": "^3.9.1",
-    "gulp-help": "^1.6.1",
+    "gulp": "^4.0.1",
     "gulp-jsdoc3": "^1.0.1",
     "gulp-jshint": "^2.0.4",
     "gulp-mocha": "^4.3.1",
@@ -42,7 +40,7 @@
     "semver": "^5.5.0",
     "symlink": "^2.1.0",
     "through2": "^2.0.3",
-    "ts-node": "^3.3.0",
+    "ts-node": "^8.1.0",
     "tslint": "^5.5.0",
     "typescript": "~3.3.3333",
     "xml2js": "^0.4.19"
diff --git a/packages/grpc-health-check/gulpfile.js b/packages/grpc-health-check/gulpfile.ts
similarity index 55%
rename from packages/grpc-health-check/gulpfile.js
rename to packages/grpc-health-check/gulpfile.ts
index 09ac9115..9f436dfd 100644
--- a/packages/grpc-health-check/gulpfile.js
+++ b/packages/grpc-health-check/gulpfile.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 gRPC authors.
+ * Copyright 2019 gRPC authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,36 +15,41 @@
  *
  */
 
-const _gulp = require('gulp');
-const help = require('gulp-help');
-const mocha = require('gulp-mocha');
-const execa = require('execa');
-const path = require('path');
-const del = require('del');
-const linkSync = require('../../util').linkSync;
-
-const gulp = help(_gulp);
+import * as gulp from 'gulp';
+import * as mocha from 'gulp-mocha';
+import * as execa from 'execa';
+import * as path from 'path';
+import * as del from 'del';
+import linkSync from '../../util';
 
 const healthCheckDir = __dirname;
 const baseDir = path.resolve(healthCheckDir, '..', '..');
 const testDir = path.resolve(healthCheckDir, 'test');
 
-gulp.task('clean.links', 'Delete npm links', () => {
+const cleanLinks = () => {
   return del(path.resolve(healthCheckDir, 'node_modules/grpc'));
-});
+}
 
-gulp.task('clean.all', 'Delete all code created by tasks',
-	  ['clean.links']);
+const cleanAll = gulp.parallel(cleanLinks);
 
-gulp.task('install', 'Install health check dependencies', ['clean.links'], () => {
+const runInstall = () => {
   return execa('npm', ['install', '--unsafe-perm'], {cwd: healthCheckDir, stdio: 'inherit'});
-});
+};
 
-gulp.task('link.add', 'Link local copy of grpc', () => {
+const install = gulp.series(cleanLinks, runInstall);
+
+const linkAdd = () => {
   linkSync(healthCheckDir, './node_modules/grpc', '../grpc-native-core');
-});
+};
 
-gulp.task('test', 'Run health check tests',
-          () => {
-            return gulp.src(`${testDir}/*.js`).pipe(mocha({reporter: 'mocha-jenkins-reporter'}));
-          });
+const test = () => {
+  return gulp.src(`${testDir}/*.js`).pipe(mocha({reporter: 'mocha-jenkins-reporter'}));
+};
+
+export {
+  cleanLinks,
+  cleanAll,
+  install,
+  linkAdd,
+  test
+}
\ No newline at end of file
diff --git a/packages/grpc-js/gulpfile.ts b/packages/grpc-js/gulpfile.ts
index 72434d5b..f0626405 100644
--- a/packages/grpc-js/gulpfile.ts
+++ b/packages/grpc-js/gulpfile.ts
@@ -15,8 +15,7 @@
  *
  */
 
-import * as _gulp from 'gulp';
-import * as help from 'gulp-help';
+import * as gulp from 'gulp';
 
 import * as fs from 'fs';
 import * as mocha from 'gulp-mocha';
@@ -26,9 +25,6 @@ import * as pify from 'pify';
 import * as semver from 'semver';
 import { ncp } from 'ncp';
 
-// gulp-help monkeypatches tasks to have an additional description parameter
-const gulp = help(_gulp);
-
 const ncpP = pify(ncp);
 
 Error.stackTraceLimit = Infinity;
@@ -44,34 +40,36 @@ const execNpmVerb = (verb: string, ...args: string[]) =>
   execa('npm', [verb, ...args], {cwd: jsCoreDir, stdio: 'inherit'});
 const execNpmCommand = execNpmVerb.bind(null, 'run');
 
-gulp.task('install', 'Install native core dependencies', () =>
-  execNpmVerb('install', '--unsafe-perm'));
+const install = () => {
+  execNpmVerb('install', '--unsafe-perm');
+};
 
 /**
  * Runs tslint on files in src/, with linting rules defined in tslint.json.
  */
-gulp.task('lint', 'Emits linting errors found in src/ and test/.', () =>
-  execNpmCommand('check'));
+const lint = () => {
+  execNpmCommand('check');
+};
 
-gulp.task('clean', 'Deletes transpiled code.', ['install'],
-  () => execNpmCommand('clean'));
+const clean = () => {
+  execNpmCommand('clean');
+};
 
-gulp.task('clean.all', 'Deletes all files added by targets', ['clean']);
+const cleanAll = gulp.parallel(clean);
 
 /**
  * Transpiles TypeScript files in src/ to JavaScript according to the settings
  * found in tsconfig.json.
  */
-gulp.task('compile', 'Transpiles src/.', () => execNpmCommand('compile'));
+const compile = () => {
+  execNpmCommand('compile');
+}
 
-gulp.task('copy-test-fixtures', 'Copy test fixtures.', () => {
+const copyTestFixtures = () => {
   return ncpP(`${jsCoreDir}/test/fixtures`, `${outDir}/test/fixtures`);
-});
+}
 
-/**
- * Transpiles src/ and test/, and then runs all tests.
- */
-gulp.task('test', 'Runs all tests.', ['lint', 'copy-test-fixtures'], () => {
+const runTests = () => {
   if (semver.satisfies(process.version, '^8.11.2 || >=9.4')) {
     return gulp.src(`${outDir}/test/**/*.js`)
       .pipe(mocha({reporter: 'mocha-jenkins-reporter',
@@ -80,4 +78,15 @@ gulp.task('test', 'Runs all tests.', ['lint', 'copy-test-fixtures'], () => {
     console.log(`Skipping grpc-js tests for Node ${process.version}`);
     return Promise.resolve(null);
   }
-});
+};
+
+const test = gulp.series(install, copyTestFixtures, runTests);
+
+export {
+  install,
+  lint,
+  clean,
+  cleanAll,
+  compile,
+  test
+}
\ No newline at end of file
diff --git a/packages/grpc-native-core/gulpfile.js b/packages/grpc-native-core/gulpfile.ts
similarity index 65%
rename from packages/grpc-native-core/gulpfile.js
rename to packages/grpc-native-core/gulpfile.ts
index 8e32d743..4828981c 100644
--- a/packages/grpc-native-core/gulpfile.js
+++ b/packages/grpc-native-core/gulpfile.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 gRPC authors.
+ * Copyright 2019 gRPC authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,18 +15,13 @@
  *
  */
 
-const _gulp = require('gulp');
-const help = require('gulp-help');
-
-// gulp-help monkeypatches tasks to have an additional description parameter
-const gulp = help(_gulp);
-
-const jsdoc = require('gulp-jsdoc3');
-const jshint = require('gulp-jshint');
-const mocha = require('gulp-mocha');
-const execa = require('execa');
-const path = require('path');
-const del = require('del');
+ import * as gulp from 'gulp';
+ import * as jsdoc from 'gulp-jsdoc3';
+ import * as jshint from 'gulp-jshint';
+ import * as mocha from 'gulp-mocha';
+ import * as execa from 'execa';
+ import * as path from 'path';
+ import * as del from 'del';
 
 const nativeCoreDir = __dirname;
 const srcDir = path.resolve(nativeCoreDir, 'src');
@@ -35,44 +30,56 @@ const testDir = path.resolve(nativeCoreDir, 'test');
 const pkg = require('./package');
 const jshintConfig = pkg.jshintConfig;
 
-gulp.task('clean', 'Delete generated files', () => {
+const clean = () => {
   return del([path.resolve(nativeCoreDir, 'build'),
-	      path.resolve(nativeCoreDir, 'ext/node')]);
-});
+	            path.resolve(nativeCoreDir, 'ext/node')]);
+};
 
-gulp.task('clean.all', 'Delete all files created by tasks',
-	  ['clean']);
+const cleanAll = gulp.parallel(clean);
 
-gulp.task('install', 'Install native core dependencies', () => {
+const install = () => {
   return execa('npm', ['install', '--build-from-source', '--unsafe-perm'],
                {cwd: nativeCoreDir, stdio: 'inherit'});
-});
+};
 
-gulp.task('install.windows', 'Install native core dependencies for MS Windows', () => {
+const installWindows = () => {
   return execa('npm', ['install', '--build-from-source'],
                {cwd: nativeCoreDir, stdio: 'inherit'}).catch(() => 
 del(path.resolve(process.env.USERPROFILE, '.node-gyp', process.versions.node, 'include/node/openssl'), { force: true }).then(() =>
 execa('npm', ['install', '--build-from-source'],
                {cwd: nativeCoreDir, stdio: 'inherit'})
-               ))
-});
+               ));
+};
 
-gulp.task('lint', 'Emits linting errors', () => {
+const lint = () => {
   return gulp.src([`${nativeCoreDir}/index.js`, `${srcDir}/*.js`, `${testDir}/*.js`])
       .pipe(jshint(pkg.jshintConfig))
       .pipe(jshint.reporter('default'));
-});
+};
 
-gulp.task('build', 'Build native package', () => {
+const build = () => {
   return execa('npm', ['run', 'build'], {cwd: nativeCoreDir, stdio: 'inherit'});
-});
+};
 
-gulp.task('test', 'Run all tests', ['build'], () => {
+const runTests = () => {
   return gulp.src(`${testDir}/*.js`).pipe(mocha({timeout: 5000, reporter: 'mocha-jenkins-reporter'}));
-});
+}
 
-gulp.task('doc.gen', 'Generate docs', (cb) => {
+const test = gulp.series(build, runTests);
+
+const docGen = (cb) => {
   var config = require('./jsdoc_conf.json');
   gulp.src([`${nativeCoreDir}/README.md`, `${nativeCoreDir}/index.js`, `${srcDir}/*.js`], {read: false})
       .pipe(jsdoc(config, cb));
-});
+};
+
+export {
+  clean,
+  cleanAll,
+  install,
+  installWindows,
+  lint,
+  build,
+  test,
+  docGen
+};
\ No newline at end of file
diff --git a/packages/proto-loader/gulpfile.ts b/packages/proto-loader/gulpfile.ts
index 42ea1313..21bb7fde 100644
--- a/packages/proto-loader/gulpfile.ts
+++ b/packages/proto-loader/gulpfile.ts
@@ -15,8 +15,7 @@
  *
  */
 
-import * as _gulp from 'gulp';
-import * as help from 'gulp-help';
+import * as gulp from 'gulp';
 
 import * as fs from 'fs';
 import * as mocha from 'gulp-mocha';
@@ -24,9 +23,6 @@ import * as path from 'path';
 import * as execa from 'execa';
 import * as semver from 'semver';
 
-// gulp-help monkeypatches tasks to have an additional description parameter
-const gulp = help(_gulp);
-
 Error.stackTraceLimit = Infinity;
 
 const protojsDir = __dirname;
@@ -40,30 +36,37 @@ const execNpmVerb = (verb: string, ...args: string[]) =>
   execa('npm', [verb, ...args], {cwd: protojsDir, stdio: 'inherit'});
 const execNpmCommand = execNpmVerb.bind(null, 'run');
 
-gulp.task('install', 'Install native core dependencies', () =>
-          execNpmVerb('install', '--unsafe-perm'));
+const install = () => {
+  execNpmVerb('install', '--unsafe-perm');
+};
 
 /**
  * Runs tslint on files in src/, with linting rules defined in tslint.json.
  */
-gulp.task('lint', 'Emits linting errors found in src/ and test/.', () =>
-          execNpmCommand('check'));
+const lint = () => {
+  execNpmCommand('check');
+};
 
-gulp.task('clean', 'Deletes transpiled code.', ['install'],
-  () => execNpmCommand('clean'));
+const cleanFiles = () => {
+  execNpmCommand('clean');
+};
 
-gulp.task('clean.all', 'Deletes all files added by targets', ['clean']);
+const clean = gulp.series(install, cleanFiles);
+
+const cleanAll = gulp.parallel(clean);
 
 /**
  * Transpiles TypeScript files in src/ and test/ to JavaScript according to the settings
  * found in tsconfig.json.
  */
-gulp.task('compile', 'Transpiles src/ and test/.', () => execNpmCommand('compile'));
+const compile = () => {
+  execNpmCommand('compile');
+};
 
 /**
  * Transpiles src/ and test/, and then runs all tests.
  */
-gulp.task('test', 'Runs all tests.', () => {
+const runTests = () => {
   if (semver.satisfies(process.version, ">=6")) {
     return gulp.src(`${outDir}/test/**/*.js`)
       .pipe(mocha({reporter: 'mocha-jenkins-reporter',
@@ -72,4 +75,15 @@ gulp.task('test', 'Runs all tests.', () => {
     console.log(`Skipping proto-loader tests for Node ${process.version}`);
     return Promise.resolve(null);
   }
-});
+}
+
+const test = gulp.series(install, runTests);
+
+export {
+  install,
+  lint,
+  clean,
+  cleanAll,
+  compile,
+  test
+}
diff --git a/run-tests.bat b/run-tests.bat
index f48ab4cb..d7fb4cbb 100644
--- a/run-tests.bat
+++ b/run-tests.bat
@@ -53,8 +53,8 @@ for %%v in (6 7 8 9 10 11) do (
 
   node -e "process.exit(process.version.startsWith('v%%v') ? 0 : -1)" || goto :error
 
-  call .\node_modules\.bin\gulp clean.all || SET FAILED=1
-  call .\node_modules\.bin\gulp setup.windows || SET FAILED=1
+  call .\node_modules\.bin\gulp cleanAll || SET FAILED=1
+  call .\node_modules\.bin\gulp setupWindows || SET FAILED=1
   call .\node_modules\.bin\gulp test || SET FAILED=1
 )
 
diff --git a/run-tests.sh b/run-tests.sh
index ff1caa2e..fb3a27d6 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -68,7 +68,7 @@ do
   node -e 'process.exit(process.version.startsWith("v'$version'") ? 0 : -1)'
 
   # Install dependencies and link packages together.
-  ./node_modules/.bin/gulp clean.all
+  ./node_modules/.bin/gulp cleanAll
   ./node_modules/.bin/gulp setup
 
   # npm test calls nyc gulp test
diff --git a/test/gulpfile.js b/test/gulpfile.ts
similarity index 74%
rename from test/gulpfile.js
rename to test/gulpfile.ts
index 42ff04f0..73843354 100644
--- a/test/gulpfile.js
+++ b/test/gulpfile.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 gRPC authors.
+ * Copyright 2019 gRPC authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,28 +15,24 @@
  *
  */
 
-const _gulp = require('gulp');
-const help = require('gulp-help');
-const mocha = require('gulp-mocha');
-const execa = require('execa');
-const path = require('path');
-const del = require('del');
-const semver = require('semver');
-const linkSync = require('../util').linkSync;
-
-// gulp-help monkeypatches tasks to have an additional description parameter
-const gulp = help(_gulp);
+import * as gulp from 'gulp';
+import * as mocha from 'gulp-mocha';
+import * as execa from 'execa';
+import * as path from 'path';
+import * as del from 'del';
+import * as semver from 'semver';
+import linkSync from '../util';
 
 const testDir = __dirname;
 const apiTestDir = path.resolve(testDir, 'api');
 
-gulp.task('install', 'Install test dependencies', () => {
+const install = () => {
   return execa('npm', ['install'], {cwd: testDir, stdio: 'inherit'});
-});
+};
 
-gulp.task('clean.all', 'Delete all files created by tasks', () => {});
+const cleanAll = () => {};
 
-gulp.task('test', 'Run API-level tests', () => {
+const test = () => {
   // run mocha tests matching a glob with a pre-required fixture,
   // returning the associated gulp stream
   if (!semver.satisfies(process.version, '>=9.4')) {
@@ -50,7 +46,7 @@ gulp.task('test', 'Run API-level tests', () => {
     gulp.src(apiTestGlob)
       .pipe(mocha({
         reporter: 'mocha-jenkins-reporter',
-        require: `${testDir}/fixtures/${fixture}.js`
+        require: [`${testDir}/fixtures/${fixture}.js`]
       }))
       .resume() // put the stream in flowing mode
       .on('end', resolve)
@@ -72,4 +68,10 @@ gulp.task('test', 'Run API-level tests', () => {
   return runTestsArgPairs.reduce((previousPromise, argPair) => {
     return previousPromise.then(runTestsWithFixture.bind(null, argPair[0], argPair[1]));
   }, Promise.resolve());
-});
+};
+
+export {
+  install,
+  cleanAll,
+  test
+};
\ No newline at end of file