Switch from chromedriver-helper to webdrivers (forem#2465) [ci skip]

.travis.yml

@@ -22,7 +22,7 @@ before_install:
   - nvm install
 install:
   - bundle install --path vendor/bundle
-  - bundle exec chromedriver-update
+  - bundle exec rails runner bin/chromedriver-update
   - yarn install
   - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64
     > ./cc-test-reporter

Gemfile

@@ -133,21 +133,20 @@ end
 
 group :test do
   gem "approvals", "~> 0.0" # A library to make it easier to do golden-master style testing in Ruby
-  gem "chromedriver-helper", "~> 2.1" # Easy installation and use of chromedriver, the Chromium project's Selenium webdriver adapter
   gem "factory_bot_rails", "~> 4.11" # factory_bot is a fixtures replacement with a straightforward definition syntax, support for multiple build strategies
   gem "fake_stripe", "~> 0.2" # An implementation of the Stripe credit card processing service to run during your integration tests
   gem "launchy", "~> 2.4" # Launchy is helper class for launching cross-platform applications in a fire and forget manner.
   gem "pundit-matchers", "~> 1.6" # A set of RSpec matchers for testing Pundit authorisation policies
   gem "rspec-retry", "~> 0.6" # retry intermittently failing rspec examples
   gem "ruby-prof", "~> 0.17", require: false # ruby-prof is a fast code profiler for Ruby
-  gem "selenium-webdriver", "~> 3.141" # WebDriver is a tool for writing automated tests of websites
   gem "shoulda-matchers", "4.0.1", require: false # Simple one-liner tests for common Rails functionality
   gem "simplecov", "~> 0.16", require: false # Code coverage with a powerful configuration library and automatic merging of coverage across test suites
   gem "stackprof", "~> 0.2", require: false, platforms: :ruby # stackprof is a fast sampling profiler for ruby code, with cpu, wallclock and object allocation samplers
   gem "stripe-ruby-mock", "~> 2.5", require: "stripe_mock" # A drop-in library to test stripe without hitting their servers
   gem "test-prof", "~> 0.7" # Ruby Tests Profiling Toolbox
   gem "timecop", "~> 0.9" # A gem providing "time travel" and "time freezing" capabilities, making it dead simple to test time-dependent code
   gem "vcr", "~> 4.0" # Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests
+  gem "webdrivers", "~> 3.7" # Run Selenium tests more easily with install and updates for all supported webdrivers
   gem "webmock", "~> 3.5" # WebMock allows stubbing HTTP requests and setting expectations on HTTP requests
   gem "zonebie", "~> 0.6.1" # Runs your tests in a random timezone
 end

Gemfile.lock

@@ -111,8 +111,6 @@ GEM
     approvals (0.0.24)
       nokogiri (~> 1.6)
       thor (~> 0.18)
-    archive-zip (0.11.0)
-      io-like (~> 0.3.0)
     arel (9.0.0)
     ast (2.4.0)
     autoprefixer-rails (9.5.1)
@@ -191,9 +189,6 @@ GEM
       activesupport (>= 3)
     childprocess (0.9.0)
       ffi (~> 1.0, >= 1.0.11)
-    chromedriver-helper (2.1.0)
-      archive-zip (~> 0.10)
-      nokogiri (~> 1.8)
     cld (0.8.0)
       ffi
     cloudinary (1.11.1)
@@ -562,7 +557,6 @@ GEM
     inline_svg (1.3.1)
       activesupport (>= 3.0)
       nokogiri (>= 1.6)
-    io-like (0.3.0)
     ipaddress (0.8.3)
     jaro_winkler (1.5.2)
     jbuilder (2.8.0)
@@ -630,6 +624,7 @@ GEM
     nenv (0.3.0)
     net-http-persistent (3.0.0)
       connection_pool (~> 2.2)
+    net_http_ssl_fix (0.0.10)
     netrc (0.11.0)
     nio4r (2.3.1)
     nokogiri (1.10.2)
@@ -939,6 +934,11 @@ GEM
       activemodel (>= 5.0)
       bindex (>= 0.4.0)
       railties (>= 5.0)
+    webdrivers (3.7.2)
+      net_http_ssl_fix
+      nokogiri (~> 1.6)
+      rubyzip (~> 1.0)
+      selenium-webdriver (~> 3.0)
     webmock (3.5.1)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
@@ -987,7 +987,6 @@ DEPENDENCIES
   capybara (~> 3.13)
   carrierwave (~> 1.3)
   carrierwave-bombshelter (~> 0.2)
-  chromedriver-helper (~> 2.1)
   cld (~> 0.8)
   cloudinary (~> 1.11)
   counter_culture (~> 2.1)
@@ -1066,7 +1065,6 @@ DEPENDENCIES
   sass-rails (~> 5.0)
   scout_apm (~> 2.4)
   sdoc (~> 1.0)
-  selenium-webdriver (~> 3.141)
   serviceworker-rails (~> 0.5)
   shoulda-matchers (= 4.0.1)
   simplecov (~> 0.16)
@@ -1090,6 +1088,7 @@ DEPENDENCIES
   validate_url (~> 1.0)
   vcr (~> 4.0)
   web-console (~> 3.7)
+  webdrivers (~> 3.7)
   webmock (~> 3.5)
   webpacker (~> 3.5)
   webpush (~> 0.3)

bin/chromedriver-update

@@ -0,0 +1,11 @@
+#!/usr/bin/env ./bin/rails runner
+
+# webdrivers 3.7.2 doesn't provide a standalone update script, so we made one
+
+if Rails.env.test?
+  # allow browser websites, so that "webdrivers" can access their binaries
+  # see <https://github.com/titusfortner/webdrivers/wiki/Using-with-VCR-or-WebMock>
+  WebMock.disable_net_connect!(allow: ["https://chromedriver.storage.googleapis.com"])
+
+  Webdrivers::Chromedriver.update
+end

docs/testing.md

@@ -4,7 +4,7 @@ We use the following testing tools:
 
 - [**RSpec**](http://rspec.info/) for testing the backend
 - [**Capybara**](https://github.com/teamcapybara/capybara) with [**selenium-webdriver**](https://github.com/SeleniumHQ/selenium/tree/master/javascript/node/selenium-webdriver) for view testing
-- [**chromedriver-helper**](https://github.com/flavorjones/chromedriver-helper) for standard JS testing
+- [**webdrivers**](https://github.com/titusfortner/webdrivers) for standard JS testing
 - [**guard-rspec**](https://github.com/guard/guard-rspec) for automated testing
 - [**Jest**](https://facebook.github.io/jest) for testing in the front-end
 - [**preact-render-spy**](https://github.com/mzgoddard/preact-render-spy) for testing Preact components.

spec/rails_helper.rb

@@ -36,7 +36,26 @@
 ActiveRecord::Migration.maintain_test_schema!
 
 # Disable internet connection with Webmock
-WebMock.disable_net_connect!(allow_localhost: true)
+# allow browser websites, so that "webdrivers" can access their binaries
+# see <https://github.com/titusfortner/webdrivers/wiki/Using-with-VCR-or-WebMock>
+allowed_sites = [
+  "https://chromedriver.storage.googleapis.com",
+  "https://github.com/mozilla/geckodriver/releases",
+  "https://selenium-release.storage.googleapis.com",
+  "https://developer.microsoft.com/en-us/microsoft-edge/tools/webdriver",
+]
+WebMock.disable_net_connect!(allow_localhost: true, allow: allowed_sites)
+
+# tell VCR to ignore browsers download sites
+# see <https://github.com/titusfortner/webdrivers/wiki/Using-with-VCR-or-WebMock>
+VCR.configure do |config|
+  config.ignore_hosts(
+    "chromedriver.storage.googleapis.com",
+    "github.com/mozilla/geckodriver/releases",
+    "selenium-release.storage.googleapis.com",
+    "developer.microsoft.com/en-us/microsoft-edge/tools/webdriver",
+  )
+end
 
 RSpec.configure do |config|
   config.use_transactional_fixtures = true

spec/support/initializers/capybara.rb

@@ -1,15 +1,13 @@
 require "capybara/rails"
 require "capybara/rspec"
-require "selenium/webdriver"
 
 Capybara.default_max_wait_time = 5
 
 Capybara.register_driver :headless_chrome do |app|
-  Capybara::Selenium::Driver.new app,
-                                 browser: :chrome,
-                                 desired_capabilities: Selenium::WebDriver::Remote::Capabilities.chrome(
-                                   chromeOptions: { args: %w[headless disable-gpu no-sandbox window-size=1400,2000] },
-                                 )
+  capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
+    chromeOptions: { args: %w[headless disable-gpu no-sandbox window-size=1400,2000] },
+  )
+  Capybara::Selenium::Driver.new(app, browser: :chrome, desired_capabilities: capabilities)
 end
 
 RSpec.configure do |config|