[chore] Remove visual regression testing for now (#1443)

gulpfile.js

@@ -18,9 +18,6 @@ const through = require('through2')
 const chalk = require('chalk')
 const globby = require('globby')
 const mergeStream = require('merge-stream')
-const backstop = require('backstopjs')
-const waitPort = require('wait-port')
-const kill = require('kill-port')
 const {promisify} = require('util')
 
 const stat = promisify(fs.stat)
@@ -212,8 +209,7 @@ const STUDIOS = [
   {name: 'example-studio', port: '3335'},
   {name: 'blog-studio', port: '3336'},
   {name: 'ecommerce-studio', port: '3337'},
-  {name: 'clean-studio', port: '3338'},
-  {name: 'backstop-test-studio', port: '5000'}
+  {name: 'clean-studio', port: '3338'}
 ]
 
 STUDIOS.forEach(studio => {
@@ -251,84 +247,3 @@ exports.storybook = series(
     proc.stderr.pipe(process.stderr)
   })
 )
-
-exports.backstop = function(cb) {
-  childProcess.exec('docker -v', err => {
-    if (err) {
-      throw new gutil.PluginError({
-        plugin: 'backstop',
-        message: gutil.colors.red('Please install Docker on your computer. https://www.docker.com/')
-      })
-    }
-  })
-
-  const params = {
-    host: 'localhost',
-    port: 5000,
-    timeout: 100 * 60 * 10
-  }
-
-  parallel(exports['backstop-test-studio'], async () => {
-    let open
-    try {
-      open = await waitPort(params)
-    } catch (err) {
-      kill(params.port)
-      throw new gutil.PluginError({
-        plugin: 'backstop',
-        message: `An unknown error occured while waiting for the port: ${err}`
-      })
-    }
-
-    if (!open) {
-      kill(params.port)
-      throw new gutil.PluginError({
-        plugin: 'backstop',
-        message: 'The backstop-studio did not start'
-      })
-    }
-
-    try {
-      await backstop('test', {
-        docker: true,
-        config: './test/backstop/backstop.js'
-      })
-
-      await kill(params.port)
-      gutil.log(gutil.colors.green('Backstop test success'))
-      // eslint-disable-next-line no-process-exit
-      process.exit(0)
-    } catch (err) {
-      kill(params.port)
-      throw new gutil.PluginError({
-        plugin: 'backstop',
-        message: 'Tests failed'
-      })
-    }
-
-    cb()
-  })()
-}
-
-exports['backstop:approve'] = cb => {
-  backstop('approve', {
-    docker: true,
-    config: './test/backstop/backstop.js'
-  })
-}
-
-exports['backstop:reference'] = async cb => {
-  try {
-    await backstop('reference', {
-      docker: true,
-      config: './test/backstop/backstop.js'
-    })
-
-    gutil.log(gutil.colors.green('References created'))
-  } catch (err) {
-    throw new gutil.PluginError({
-      plugin: 'backstop',
-      message: 'Making references failed'
-    })
-  }
-}

lerna.json

@@ -4,7 +4,6 @@
   "ci": false,
   "packages": [
     "packages/@sanity/*",
-    "packages/backstop-test-studio",
     "packages/blog-studio",
     "packages/clean-studio",
     "packages/create-sanity",

package.json

@@ -23,17 +23,13 @@
     "ecommerce-studio": "gulp ecommerce-studio",
     "test-studio": "gulp test-studio",
     "clean-studio": "gulp clean-studio",
-    "backstop-test-studio": "gulp backstop-test-studio",
     "example-studio": "gulp example-studio",
     "movies-studio": "gulp movies-studio",
     "blog-studio": "gulp blog-studio",
     "stylelint": "stylelint \"**/*.css\"",
     "stylelint:fix": "stylelint \"**/*.css\" --fix",
     "test": "echo 'Run `npm run test-all` to run `npm test` for every package'",
     "test-all": "lerna run test --concurrency=2 --stream",
-    "test:backstop": "gulp backstop",
-    "test:backstop:approve": "gulp backstop:approve",
-    "test:backstop:reference": "gulp backstop:reference",
     "updated": "lerna updated",
     "watch": "gulp watch",
     "release-notes": "node scripts/printReleaseNotesTemplate.js",
@@ -57,7 +53,6 @@
     "babel-plugin-css-modules-transform": "^1.6.2",
     "babel-plugin-istanbul": "^5.1.4",
     "babel-plugin-lodash": "^3.3.4",
-    "backstopjs": "^4.1.9",
     "boxen": "^4.1.0",
     "chalk": "^2.3.0",
     "deepmerge": "^3.3.0",
@@ -86,7 +81,6 @@
     "gulp-watch": "^5.0.1",
     "hard-rejection": "^2.1.0",
     "husky": "^2.5.0",
-    "kill-port": "^1.3.2",
     "lerna": "^3.13.1",
     "merge-stream": "^2.0.0",
     "minimist": "^1.2.0",
@@ -100,7 +94,6 @@
     "stylelint-config-standard": "^18.0.0",
     "through2": "^3.0.1",
     "typescript": "^3.2.2",
-    "wait-port": "^0.2.2",
     "yarn": "^1.3.2"
   },
   "husky": {