QA: port PDF test from /qa/browsertests repo

This test is intended to be run against either test2wiki or
some wiki with proper support for downloading pages as PDF

It does not work in beta labs or in a bare wiki

Change-Id: I16dcc9d2692055c2b972c2a96dfc3f9860115fa4

tests/browser/Gemfile

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+#ruby=ruby-2.1.1
+#ruby-gemset=browsertests
+
+source "https://rubygems.org"
+
+gem "mediawiki_selenium"

tests/browser/Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    builder (3.2.2)
+    childprocess (0.5.3)
+      ffi (~> 1.0, >= 1.0.11)
+    cucumber (1.3.15)
+      builder (>= 2.1.2)
+      diff-lcs (>= 1.1.3)
+      gherkin (~> 2.12)
+      multi_json (>= 1.7.5, < 2.0)
+      multi_test (>= 0.1.1)
+    data_magic (0.19)
+      faker (>= 1.1.2)
+      yml_reader (>= 0.3)
+    diff-lcs (1.2.5)
+    faker (1.3.0)
+      i18n (~> 0.5)
+    ffi (1.9.3)
+    gherkin (2.12.2)
+      multi_json (~> 1.3)
+    headless (1.0.2)
+    i18n (0.6.9)
+    json (1.8.1)
+    mediawiki_selenium (0.2.25)
+      cucumber (~> 1.3, >= 1.3.10)
+      headless (~> 1.0, >= 1.0.1)
+      json (~> 1.8, >= 1.8.1)
+      page-object (~> 1.0)
+      rest-client (~> 1.6, >= 1.6.7)
+      rspec-expectations (~> 2.14, >= 2.14.4)
+      syntax (~> 1.2, >= 1.2.0)
+    mime-types (2.3)
+    multi_json (1.10.1)
+    multi_test (0.1.1)
+    page-object (1.0)
+      page_navigation (>= 0.9)
+      selenium-webdriver (>= 2.42.0)
+      watir-webdriver (>= 0.6.9)
+    page_navigation (0.9)
+      data_magic (>= 0.14)
+    rest-client (1.6.7)
+      mime-types (>= 1.16)
+    rspec-expectations (2.99.1)
+      diff-lcs (>= 1.1.3, < 2.0)
+    rubyzip (1.1.4)
+    selenium-webdriver (2.42.0)
+      childprocess (>= 0.5.0)
+      multi_json (~> 1.0)
+      rubyzip (~> 1.0)
+      websocket (~> 1.0.4)
+    syntax (1.2.0)
+    watir-webdriver (0.6.10)
+      selenium-webdriver (>= 2.18.0)
+    websocket (1.0.7)
+    yml_reader (0.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  mediawiki_selenium

tests/browser/features/pdf.feature

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+#
+# This file is subject to the license terms in the LICENSE file found in the
+# qa-browsertests top-level directory and at
+# https://git.wikimedia.org/blob/qa%2Fbrowsertests/HEAD/LICENSE. No part of
+# qa-browsertests, including this file, may be copied, modified, propagated, or
+# distributed except according to the terms contained in the LICENSE file.
+#
+# Copyright 2012-2014 by the Mediawiki developers. See the CREDITS file in the
+# qa-browsertests top-level directory and at
+# https://git.wikimedia.org/blob/qa%2Fbrowsertests/HEAD/CREDITS
+#
+@chrome @firefox @internet_explorer_8 @internet_explorer_9 @internet_explorer_10 @phantomjs @test2.wikipedia.org
+Feature: PDF
+
+  Scenario: Check for Download as PDF link
+    Given I am at a random page
+    Then Download as PDF should be present
+
+  Scenario: Click on Download as PDF link
+    Given I am at a random page
+    When I click on Download as PDF
+    Then Download the file link should be present

tests/browser/features/step_definitions/pdf_steps.rb

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+#
+# This file is subject to the license terms in the LICENSE file found in the
+# qa-browsertests top-level directory and at
+# https://git.wikimedia.org/blob/qa%2Fbrowsertests/HEAD/LICENSE. No part of
+# qa-browsertests, including this file, may be copied, modified, propagated, or
+# distributed except according to the terms contained in the LICENSE file.
+#
+# Copyright 2012-2014 by the Mediawiki developers. See the CREDITS file in the
+# qa-browsertests top-level directory and at
+# https://git.wikimedia.org/blob/qa%2Fbrowsertests/HEAD/CREDITS
+#
+Then(/^Download as PDF should be present$/) do
+  on(PdfPage).download_as_pdf_element.should exist
+end
+When(/^I click on Download as PDF$/) do
+  on(PdfPage).download_as_pdf_element.when_present.click
+end
+Then(/^Download the file link should be present$/) do
+  on(PdfPage).download_the_file_element.when_present(30).should exist
+end

tests/browser/features/support/env.rb

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+#
+# This file is subject to the license terms in the LICENSE file found in the
+# qa-browsertests top-level directory and at
+# https://git.wikimedia.org/blob/qa%2Fbrowsertests/HEAD/LICENSE. No part of
+# qa-browsertests, including this file, may be copied, modified, propagated, or
+# distributed except according to the terms contained in the LICENSE file.
+#
+# Copyright 2012-2014 by the Mediawiki developers. See the CREDITS file in the
+# qa-browsertests top-level directory and at
+# https://git.wikimedia.org/blob/qa%2Fbrowsertests/HEAD/CREDITS
+#
+require "mediawiki_selenium"

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

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+#
+# This file is subject to the license terms in the LICENSE file found in the
+# qa-browsertests top-level directory and at
+# https://git.wikimedia.org/blob/qa%2Fbrowsertests/HEAD/LICENSE. No part of
+# qa-browsertests, including this file, may be copied, modified, propagated, or
+# distributed except according to the terms contained in the LICENSE file.
+#
+# Copyright 2012-2014 by the Mediawiki developers. See the CREDITS file in the
+# qa-browsertests top-level directory and at
+# https://git.wikimedia.org/blob/qa%2Fbrowsertests/HEAD/CREDITS
+#
+class PdfPage
+  include PageObject
+
+  a(:download_as_pdf, text: "Download as PDF")
+  a(:download_the_file, text: "Download the file")
+end