Merge "Add browser test for hovering link"

Gemfile

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+source 'https://rubygems.org'
+
+gem 'chunky_png', '~> 1.3.4'
+gem 'jsduck', '~> 5.3.4'
+gem 'mediawiki_selenium', '~> 1.6.5'
+gem 'rake', '~> 10.4', '>= 10.4.2'
+gem 'rubocop', '~> 0.29.1', require: false

tests/browser/README.mediawiki

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+To run the Selenium tests you will have to install Ruby (for the exact
+version see Gemfile), the latest versions of RubyGems and Firefox.
+
+The easiest way to install Ruby on *nix is RVM (https://rvm.io/) and on
+Windows RubyInstaller (http://rubyinstaller.org/).
+
+Open terminal in tests/browser. Update RubyGems and install required
+gems with:
+
+  gem update --system
+  gem install bundler  # on Mac OS X Yosemite append ` --user-install -n~/bin`,
+					   # where ~/bin is the install folder
+  bundle install
+
+Environment variables MEDIAWIKI_USER and MEDIAWIKI_PASSWORD are required for
+tests that require a logged in user. For local testing, create a test user on your local wiki
+and export the user and password as the values for those variables.
+For example:
+
+  export MEDIAWIKI_USER=<username here> # Linux/Unix/Mac
+  set MEDIAWIKI_USER=<username here> # Windows
+
+  export MEDIAWIKI_PASSWORD=<password here> # Linux/Unix/Mac
+  set MEDIAWIKI_PASSWORD=<password here> # Windows
+
+In addition to this create another user which will be reserved for new uploads
+"Selenium_newuser". The password for this user should be the same as
+MEDIAWIKI_PASSWORD
+
+Tests that use the "Given I create a random page using the API" step need to set
+the MEDIAWIKI_API_URL environment variable, e.g.
+export MEDIAWIKI_API_URL=http://en.wikipedia.beta.wmflabs.org/w/api.php
+
+Run the tests from the Popups directory with:
+
+  make cucumber
+
+If you want to run a single set of tests, go to the tests/browser directory and
+call 'bundle exec cucumber' with the path to the test file. For example, to run
+only the watchlist tests:
+
+  bundle exec cucumber features/watchstar.feature
+
+XML report (for Jenkins) is created at tests/browser/reports/junit.
+
+Jenkins is hosted at https://wmf.ci.cloudbees.com/ and it drives
+browsers at http://saucelabs.com/
+
+For more information about running Selenium tests please see
+https://github.com/wikimedia/mediawiki-selenium
+

tests/browser/environments.yml

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+# Customize this configuration as necessary to provide defaults for various
+# test environments.
+#
+# The set of defaults to use is determined by the MEDIAWIKI_ENVIRONMENT
+# environment variable.
+#
+#   export MEDIAWIKI_ENVIRONMENT=mw-vagrant-host
+#   bundle exec cucumber
+#
+# Additional variables set by the environment will override the corresponding
+# defaults defined here.
+#
+#   export MEDIAWIKI_ENVIRONMENT=mw-vagrant-host
+#   export MEDIAWIKI_USER=Selenium_user2
+#   bundle exec cucumber
+#
+mw-vagrant-host: &default
+  mediawiki_url: http://127.0.0.1:8080/wiki/
+  user_factory: true
+
+barry:
+  browser: phantomjs
+  user_factory: false
+  # mediawiki_url: Will be set manually
+
+mw-vagrant-guest:
+  mediawiki_url: http://127.0.0.1/wiki/
+  user_factory: true
+
+beta:
+  mediawiki_url: http://en.m.wikipedia.beta.wmflabs.org/wiki/
+  mediawiki_user: Selenium_user
+  # mediawiki_password: SET THIS IN THE ENVIRONMENT!
+
+test2:
+  mediawiki_url: http://test2.wikipedia.org/wiki/
+  mediawiki_user: Selenium_user
+  # mediawiki_password: SET THIS IN THE ENVIRONMENT!
+
+integration:
+  browser: chrome
+  user_factory: true
+  # mediawiki_url: THIS WILL BE SET BY JENKINS
+
+default: *default

tests/browser/features/popups_core.feature

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+@chrome @en.m.wikipedia.beta.wmflabs.org @firefox @test2.m.wikipedia.org @vagrant @integration
+Feature: Popups core
+  Background:
+    Given the hover cards test page is installed
+      And I am logged in
+      And HoverCards is enabled as a beta feature
+      And I am on the "Popups test page" page
+
+  Scenario: Hover card is visible on mouse over
+    And I hover over the first valid link
+    Then I should see a hover card
+
+  Scenario: Hover card is not visible on mouse out
+    And I hover over the first valid link
+    And I hover over the page header
+    Then I should not see a hover card

tests/browser/features/support/env.rb

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+require 'mediawiki_selenium/cucumber'
+require 'mediawiki_selenium/pages'
+require 'mediawiki_selenium/step_definitions'

tests/browser/features/support/hooks.rb

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+# Needed for cucumber --dry-run -f stepdefs
+require_relative 'env'
+
+Before('@skip') do |scenario|
+  scenario.skip_invoke!
+end

tests/browser/features/support/pages/article_page.rb

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+# Standard article page
+class ArticlePage
+  include PageObject
+
+  page_url '<%= URI.encode(params[:article_name]) %>'\
+           '<%= URI.encode(params[:query_string]) if params[:query_string] %>'\
+           '<%= params[:hash] %>'
+  div(:page_header, css: '#mw-head')
+  a(:first_valid_link, css: 'ul a', index: 0)
+  div(:hovercard, css: '.mwe-popups')
+end

tests/browser/features/support/pages/special_preferences_page.rb

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+class SpecialPreferencesPage
+  include PageObject
+  page_url 'Special:Preferences'
+
+  a(:beta_features_tab, css: '#preftab-betafeatures')
+  text_field(:hovercards_checkbox, css: '#mw-input-wppopups')
+  button(:submit_button, css: '#prefcontrol')
+
+  def enable_hovercards
+    beta_features_tab_element.when_present.click
+    return unless hovercards_checkbox_element.attribute('checked').nil?
+    hovercards_checkbox_element.click
+    submit_button_element.when_present.click
+  end
+end

tests/browser/features/support/step_definitions/common_steps.rb

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+Given(/^the hover cards test page is installed$/) do
+  api.create_page 'Popups test page', File.read('samples/links.wikitext')
+end
+
+Given(/^I am on the "(.*?)" page$/) do |page|
+  visit(ArticlePage, using_params: { article_name: page })
+end
+
+Then(/^HoverCards is enabled as a beta feature$/) do
+  visit(SpecialPreferencesPage).enable_hovercards
+end

tests/browser/features/support/step_definitions/popups_core.rb

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+When(/^I hover over the page header$/) do
+  on(ArticlePage).page_header_element.hover
+  sleep 1  # and dwell on it for a sec to give time for the visible hover card hide itself
+end
+
+When(/^I hover over the first valid link$/) do
+  on(ArticlePage).first_valid_link_element.hover
+  sleep 1  # and dwell on it for a sec to give time for hover card to appear
+end
+
+Then(/^I should see a hover card$/) do
+  expect(on(ArticlePage).hovercard_element).to be_visible
+end
+
+Then(/^I should not see a hover card$/) do
+  expect(on(ArticlePage).hovercard_element).not_to be_visible
+end

tests/browser/samples/links.wikitext

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+=Popups test page=
+
+==Valid links==
+* [[Main Page]]
+
+==Invalid links==
+# blah